ACCURA 2700/2750
Smart Motor Management System
Provides overall management system for MCC, beyond individual MCC unit
User Guide[English]
Revision 1.21 2020/02/03
Incoming-Unit Integrated Module
Incoming-Unit Integrated HMI Module
Accura 2700M
Accura 2700DW
Motor-Unit Protection Module
Motor-Unit Protection&Control Module
Accura 2750P-5A
Accura 2750PC-5A
Accura 2750P-30A
Accura 2750PC-30A
Accura 2750P-100A
Accura 2750PC-100A
Accura 2750PC-160A
Accura 2750PC-250A
Accura 2750PC-400A
Terminal Block
TM-PC-160A/250A
TM-PC-400A
Inverter-Unit Voltage Measurement&Control Module
Inverter-Unit Voltage Measurement Module
Accura 2750INV
Accura 2750VOL
Motor-Unit Protection HMI Module
Motor-Unit Protection&Control HMI Module
Inverter-Unit Protection&Control HMI Module
Accura 2750D
Accura 2750DC
Accura 2750DCI
LOP Control Gateway
Accura 2750LCG
LOP Control Module
Inverter LOP Control Module
LC POW Module
Accura 2750LC
Accura 2750LCI
Accura 2750LC POW Module
Unit-Socket
Bridge-Socket
Unit-Socket
Bridge-Socket
Notice
Accura 2700/2750 User Guide
Page 6
ⓒ 2016 Rootech Inc. All Rights Reserved
Notice
Symbol
Caution
Indicates the presence of dangerous voltage which can cause severe injury or death to persons if proper
precautions are not followed.
Caution
Alerts the user to the presence of hazards which can cause somewhat injury to persons, damage to property
or damage to the device itself, if proper precautions are not followed.
Note
Indicates the user’s attention to installation, operating and maintenance instructions.
Indicates alternative voltage or current.
Indicates direct voltage or current.
Installation Considerations
Installation and operation of Accura 2700/2750 should be performed only by qualified, competent personnel that have
appropriate training and experience with high voltage and current devices.
Caution
Failure to observe the following instructions may result in severe injury or death.
During normal operation of Accura 2700/2750, hazardous voltages are present on its terminal strips of voltages input and
power.
Standard safety precautions are as followed while performing any installation or service work[removing PT fuses, shorting
CT secondaries, etc.].
Do not access to terminal strips of Accura 2700/2750 after installation.
Accura 2700/2750 User Guide
Notice
ⓒ 2016 Rootech Inc. All Rights Reserved
Page 7
Caution
Observe the following instructions, or permanent damage to the meter may occur.
Do not apply Accura 2700/2750 to voltages and currents that exceed Input ratings of PT and CT
To use device in the other way than specified by manufacturer can cause severe damage.
Connect ground terminal to the earth ground to protect device from noise and surge.
Terminal screw torque is as follows.
- barrier-type voltage terminal: 1.35Nm(14 kgf∙cm = 1.00 lbf∙ft) max.
- barrier-type digital inputs/digital output terminal: 0.90Nm (9 kgf∙cm = 0.66 lbf∙ft) max.
About Manual
Rootech Inc. reserves the right to make changes in the device specifications shown in this User Guide without notice. Rootech
Inc. advises customers to obtain the latest specifications of device before giving orders to confirm that the information being
relied on by the customer is up to date.
In the absence of written agreement to the contrary, Rootech Inc. assumes no liability for Rootech Inc. applications assistance,
customer’s system design, or infringement of patents or copyrights of third parties by or arising from the use of devices
described herein.
The information contained in this document is believed to be accurate at the time of publication, however, Rootech Inc.
assumes no responsibility for any errors which may appear here and reserves the right to make changes without notice.
Limitation of Liability
Where applicable law allows and does not prohibit or restrict such limitation, the Rootech, Inc’s liability for anything relating to
this product shall be limited to the price paid for the product.
Warranty
Accura 2700/2750 User Guide
Page 8
ⓒ 2016 Rootech Inc. All Rights Reserved
Warranty
For products and software that are sold or licensed by Rootech Inc. during the period from the date of receipt by you until the
present, Rootech warrants only to the original purchaser.
The purchased products shall be substantially free from material defects in material and workmanship by Rootech for two
years from the date receipt by you.
The software itself is provided “as is” without any warranty of any kind.
In order for the original purchaser to make a claim under the warranties described above, the original purchaser must
promptly contact Rootech headquarter. After receiving such notice, Rootech may either in Rootech’s sole discretion, examine
the product at the original purchaser’s site or issue shipping instructions to the original purchaser to return the relevant product
to Rootech for examination at the original purchaser’s expense, transportation charges prepaid.
If after examining the product Rootech reasonably confirms that such examined product does not meet the warranties, then
the original purchaser’s sole remedy and Rootech’s sole obligation or liability shall be, at Rootech’s option, to repair, replace
or refund the price paid for that product.
Limitation of Warranty
The Warranty does not apply to uninterrupted or error-free operation of the Product or cover normal wear and tear of the
product or costs caused by the removal, installation, or troubleshooting of the customer's electrical systems.
The warranty claims for defects caused by any of the following factors are not covered.
Improper use(alteration, accident, misuse, abuse) or Failure to act in accordance with installation, operation or
maintenance instructions
Unauthorized modifications, changes or attempted repairs
Failure to comply with applicable safety standards & regulations
Damages when transporting or storing
Damages by force majeure, examples are(not necessarily limited): fire, flood, earthquakes, storm damage, overvoltage &
lightning
If the original identify markings(trade-mark, serial number, etc.) have been defaced, altered, or removed
Rootech shall not be liable for any other claim than a claim solely for the breach of one of the above warranties that is made
in accordance with the above described procedures- made by the original purchaser, its employees, agents, or contractors for
any loss, damage, or expense incurred due to, caused by, or related to any purchased product.
Accura 2700/2750 User Guide
Warranty
ⓒ 2016 Rootech Inc. All Rights Reserved
Page 9
Any technical assistance provided by Rootech's personnel or representatives in system design shall be deemed to be a
proposal and not a recommendation. The responsibility for determining the feasibility of such proposals lies with the original
purchaser and should be tested by the original purchaser.
It is the original purchaser’s responsibility to determine the suitability of any product and associated documentation for its
purposes. The original purchaser acknowledges that 100% "up" time is not realizable because of possible hardware or
software defects. The original purchaser recognizes that such defects and failures may cause inaccuracies or malfunctions.
Only the terms expressed in these limited Warranties shall apply and no distributor, corporation or other entity, individual or
employee of Rootech or any other entity is authorized to amend, modify or extend the Warranties in any way.
Standard Compliance
PRO. CONT. EQ. E324900
IND. CONT. EQ. E492963
MSIP-REM-RTE-Accura 2700M
MSIP-REM-RTE-A2750P
QMS-1347
KAB-QC-09
Revision History
Accura 2700/2750 User Guide
Page 10
ⓒ 2016 Rootech Inc. All Rights Reserved
Revision History
The following versions of Accura 2700/2750 User Guide have been released.
Revision
Date
Description
Revision 1.00
2016. 05. 20
Initial draft
Revision 1.10
2017. 06. 08
First modification
Revision 1.12
2018. 03. 05
Add and edit features
Revision 1.20
2019. 10. 10
Add relevant modules for Inverter support
Inverter operation mode, frequency operation mode added
Safety lock extended to three different positions
Added Super Capacitor Monitoring screen
Modify DI DO setting enumeration value (default correction)
Add Motor Protection Relay: I.OCR MCS
Add event
Revision 1.21
2020. 02. 03
Modify Accura 2700 Product Name
Modify Event table
Modify Inverter Operation LED Contents
Modify Overcurrent Fault Delay Time
Modify I.OCR Detail [5] information
Accura 2700/2750 Guide
Contents
ⓒ 2016 Rootech Inc. All Rights Reserved
Page 11
Contents
Chapter 1 Introduction ....................................................................................................................................................................... 31
Overview ............................................................................................................................................................................................. 31
Application .......................................................................................................................................................................................... 34
Module Lineup .................................................................................................................................................................................... 35
Accura 2700/2750 Module ....................................................................................................................................................... 35
Installation Example .................................................................................................................................................................... 39
Product Properties ........................................................................................................................................................................ 40
Chapter 2 Installation ......................................................................................................................................................................... 51
Environmental Conditions ................................................................................................................................................................... 51
Before you begin ................................................................................................................................................................................. 51
Overview ..................................................................................................................................................................................... 52
Components ............................................................................................................................................................................... 60
Dimension ................................................................................................................................................................................... 66
Installation Order & Method................................................................................................................................................................ 77
Installation Example .................................................................................................................................................................... 77
Step 1: Panel Mounting ....................................................................................................................................................................... 78
Accura 2700M Panel Mounting .................................................................................................................................................. 78
Accura 2700DW Panel Mounting ............................................................................................................................................... 80
Accura 2750P[C] Panel Mounting .............................................................................................................................................. 81
Accura 2750INV/VOL Panel Mounting ...................................................................................................................................... 90
Accura 2750D[C/CI] Panel Mounting ........................................................................................................................................ 92
Selection of LOP to Mount Accura 2750LCG ............................................................................................................................. 95
Accura 2750LCG Panel Mounting ............................................................................................................................................. 95
Accura 2750LC[I] Panel Mounting .............................................................................................................................................. 97
Unit-Socket/Bridge-Socket Panel Mounting ................................................................................................................................ 98
Step 2: Accura 2700M Wiring ......................................................................................................................................................... 100
Accura 2700M Voltage/Current Wiring ................................................................................................................................... 100
Accura 2700M Power Supply/Ground .................................................................................................................................... 105
Step 3: Communication Connection between Accura 2700M and Accura 2700DW .................................................................... 107
Step 4: Accura 2750P[C] Wiring ...................................................................................................................................................... 109
Accura 2750P[C] Current Through-hole Wiring ...................................................................................................................... 109
Digital Input/Output Wiring ..................................................................................................................................................... 111
Accura 2750P[C] Power Supply/Ground ................................................................................................................................. 115
Step 5: Accura 2750INV/VOL Wiring .............................................................................................................................................. 117
Voltage Wiring ......................................................................................................................................................................... 117
Digital Input/Output Wiring ..................................................................................................................................................... 118
Contents
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ⓒ 2016 Rootech Inc. All Rights Reserved
Accura 2750INV Power Supply/Ground ................................................................................................................................. 120
RS-485 Communication with Inverter ...................................................................................................................................... 122
Step 6: Communication Connection of Accura 2750P[C] & Accura 2750D[C] .............................................................................. 123
Step 6-1: Communication Connection Accura 2750PC & Accura 2750INV/VOL ......................................................................... 125
Step 6-2: Communication Connection Accura 2750DCI & Accura 2750INV/VOL ....................................................................... 126
Step 7: Communication Connection Accura 2700M & Accura 2750P[C] ...................................................................................... 128
Step 8: Accura 2750LCG Power Supply/Ground Wiring ................................................................................................................ 130
Power Supply ............................................................................................................................................................................ 130
Ground .................................................................................................................................................................................... 131
Step 9: Communication Connection Accura 2700M & Accura 2750LCG ..................................................................................... 132
Step 10: Communication Connection Accura 2750LCG & Accura 2750LC[I] ............................................................................... 133
Step 11: Accura 2750LC POW Module .......................................................................................................................................... 134
Step 12: Accura 2700M External Communication Connection ....................................................................................................... 135
Ethernet External Communication............................................................................................................................................ 135
RS-485 External Communication ............................................................................................................................................ 136
Chapter 3 Accura 2700M ................................................................................................................................................................ 138
Device Composition ......................................................................................................................................................................... 138
Power Supply ............................................................................................................................................................................ 138
Ethernet External Communication Port ..................................................................................................................................... 139
RS-485 External Communication Port ..................................................................................................................................... 140
HMI Module Communication Port ........................................................................................................................................... 141
Motor-Unit Communication Port .............................................................................................................................................. 142
LOP Communication Port ........................................................................................................................................................ 143
Voltage Terminal Block ............................................................................................................................................................. 144
Current Terminal Block ............................................................................................................................................................. 144
LED State Display ..................................................................................................................................................................... 145
TEST/RESET Button ................................................................................................................................................................... 145
Function ............................................................................................................................................................................................ 146
Host System External Communication ..................................................................................................................................... 146
Measurement Function ............................................................................................................................................................ 146
Accura 2750P[C] Management Function ................................................................................................................................ 146
Accura 2750LC[I] Management Function ............................................................................................................................... 146
Accura 2700DW Interface ....................................................................................................................................................... 146
Accura 2700M Device Redundancy ........................................................................................................................................ 147
Event......................................................................................................................................................................................... 147
Chapter 4 Accura 2700DW ............................................................................................................................................................. 148
Device Composition ......................................................................................................................................................................... 148
Communication Connection ............................................................................................................................................................ 150
Accura 2700/2750 Guide
Contents
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TOP Screen ....................................................................................................................................................................................... 151
Screen Composition ................................................................................................................................................................. 151
HOME TOP Screen .................................................................................................................................................................. 154
SETUP TOP Screen ................................................................................................................................................................... 155
EVENT TOP Screen .................................................................................................................................................................. 158
HOME(DISPLAY) Details Screen ....................................................................................................................................................... 159
Screen Composition ................................................................................................................................................................. 159
Incoming-Unit Measurement Screen ....................................................................................................................................... 159
Motor-Unit Measurement Screen ............................................................................................................................................. 163
SETUP Details Screen........................................................................................................................................................................ 170
Screen Composition ................................................................................................................................................................. 170
Incoming-Unit Setup Screen ..................................................................................................................................................... 170
Motor-Unit Setup screen ........................................................................................................................................................... 179
EVENT Details Screen ....................................................................................................................................................................... 194
Screen Composition ................................................................................................................................................................. 194
Incoming-Unit Event Screen ..................................................................................................................................................... 194
Motor-Unit Event Screen ........................................................................................................................................................... 196
Chapter 5 Accura 2750P[C]............................................................................................................................................................. 198
Device Composition ......................................................................................................................................................................... 198
Power Supply ............................................................................................................................................................................ 198
LCD Display ............................................................................................................................................................................. 199
LED State Display ..................................................................................................................................................................... 199
UNIT-SOCKET Port .................................................................................................................................................................. 199
DISPLAY Port ............................................................................................................................................................................. 199
Digital Input/Output ................................................................................................................................................................. 200
TEST/RESET Button ................................................................................................................................................................... 201
SET Button ................................................................................................................................................................................ 201
Function ............................................................................................................................................................................................ 202
Voltage Measurement .............................................................................................................................................................. 202
Current Measurement .............................................................................................................................................................. 202
Power and Energy Measurement ............................................................................................................................................. 202
Motor Protection Function ........................................................................................................................................................ 203
Motor Control Function ............................................................................................................................................................ 203
Protection Function Redundancy .............................................................................................................................................. 204
Event......................................................................................................................................................................................... 205
DISPLAY Mode ................................................................................................................................................................................. 206
LCD Display ............................................................................................................................................................................. 206
Button Operation ..................................................................................................................................................................... 206
Contents
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ⓒ 2016 Rootech Inc. All Rights Reserved
Auto Display ............................................................................................................................................................................. 206
SETUP Mode .................................................................................................................................................................................... 207
Button Operation ..................................................................................................................................................................... 207
Unit ID ...................................................................................................................................................................................... 208
LCD Backlight Timeout ............................................................................................................................................................ 208
Setup End Timeout ................................................................................................................................................................... 208
LCD Display Control ................................................................................................................................................................ 208
Chapter 6 Accura 2750INV/VOL ..................................................................................................................................................... 209
Device Composition ......................................................................................................................................................................... 209
Power Supply ............................................................................................................................................................................ 209
LED State Display ..................................................................................................................................................................... 210
Accura 2750PC Port ................................................................................................................................................................ 210
Accura 2750DCI Port ............................................................................................................................................................... 210
Voltage Measurement .............................................................................................................................................................. 211
Digital Input/Output ................................................................................................................................................................. 211
RS-485 Communication Port ................................................................................................................................................... 212
Communication Connection ............................................................................................................................................................ 213
Chapter 7 Accura 2750D[C/CI] ....................................................................................................................................................... 214
Device Composition ......................................................................................................................................................................... 214
LCD Display ............................................................................................................................................................................. 215
LED State Display ..................................................................................................................................................................... 215
LCD Control Button .................................................................................................................................................................. 216
Motor Control Button ............................................................................................................................................................... 216
Inverter Operation Mode Button .............................................................................................................................................. 217
Test/Reset Button ....................................................................................................................................................................... 217
Communication Port ................................................................................................................................................................ 218
Communication Connection ............................................................................................................................................................ 218
Accura 2750P[C] Connection .................................................................................................................................................. 218
Accura 2750PC/2750P Redundancy Connection ................................................................................................................... 219
Accura 2750P/2750P Redundancy Connection ..................................................................................................................... 219
Accura 2750INV/VOL Connection .......................................................................................................................................... 220
DISPLAY Mode ................................................................................................................................................................................. 221
Screen Composition ................................................................................................................................................................. 221
SUMMARY Screen .................................................................................................................................................................... 223
MOTOR Screen ........................................................................................................................................................................ 224
VOLTAGE Screen ..................................................................................................................................................................... 228
CURRENT Screen ..................................................................................................................................................................... 230
POWER/ENERGY Screen ......................................................................................................................................................... 233
Accura 2700/2750 Guide
Contents
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Page 15
FUNDAMENTAL COMPONENT Screen ................................................................................................................................. 236
HARMONICS Screen ............................................................................................................................................................... 238
SYSTEM Screen ........................................................................................................................................................................ 241
SETUP Mode .................................................................................................................................................................................... 243
Screen Composition ................................................................................................................................................................. 243
METER Setup ............................................................................................................................................................................ 247
PROTECTION Setup ................................................................................................................................................................ 249
CONTROL Setup ..................................................................................................................................................................... 253
Digital Input/Output(DI/DO) Setup .......................................................................................................................................... 256
USER INTERFACE Setup ........................................................................................................................................................... 259
MAINTENANCE ....................................................................................................................................................................... 261
SYSTEM Setup .......................................................................................................................................................................... 263
EVENT Mode .................................................................................................................................................................................... 264
Screen Composition ................................................................................................................................................................. 264
A2750P[C] Event ...................................................................................................................................................................... 265
A2750D[C/CI] Event ................................................................................................................................................................ 266
Fault Captured Event ................................................................................................................................................................ 266
Motor Start/Stop Captured Event ............................................................................................................................................. 266
TEST Mode ....................................................................................................................................................................................... 267
Screen Composition ................................................................................................................................................................. 267
Protection Test ........................................................................................................................................................................... 267
DI Test ....................................................................................................................................................................................... 268
INV DI Test ................................................................................................................................................................................ 268
DO Test .................................................................................................................................................................................... 269
INV DO Test ............................................................................................................................................................................. 269
Chapter 8 Accura 2750LCG ............................................................................................................................................................ 270
Device Composition ......................................................................................................................................................................... 270
Power Supply ............................................................................................................................................................................ 270
LED State Display ..................................................................................................................................................................... 271
LCD Operation Mode .............................................................................................................................................................. 272
Button Operation ..................................................................................................................................................................... 272
DISPLAY Mode ................................................................................................................................................................................. 273
State Display ............................................................................................................................................................................. 273
Warning Display ...................................................................................................................................................................... 274
Accura 2700M Communication ...................................................................................................................................................... 275
Accura 2700M/2750LCG Single Connection ......................................................................................................................... 275
Accura 2700M Device Redundancy ........................................................................................................................................ 275
Accura 2750LCG Device Redundancy Connection ................................................................................................................ 276
Contents
Accura 2700/2750 Guide
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ⓒ 2016 Rootech Inc. All Rights Reserved
Accura 2700M/2750LCG Device Redundancy Connection ................................................................................................... 278
Accura 2750LC[I] Communication .................................................................................................................................................. 279
Accura 2750LC[I] Communication Redundancy ..................................................................................................................... 279
Accura 2750LCG Device Redundancy Connection ................................................................................................................ 280
Chapter 9 Accura 2750LC[I] ............................................................................................................................................................ 281
Device Composition ......................................................................................................................................................................... 281
Power Supply ............................................................................................................................................................................ 282
LED State Display ..................................................................................................................................................................... 283
FND Display ............................................................................................................................................................................. 283
FND Control Button ................................................................................................................................................................. 283
Safety LOCK KEY ..................................................................................................................................................................... 284
Motor Control Button ............................................................................................................................................................... 284
Inverter Operation Mode Button .............................................................................................................................................. 287
TEST/RESET Button ................................................................................................................................................................... 287
LCG/LC[I] Communication Redundancy ................................................................................................................................. 288
Extension Connector: Accura 2750LC POW Module Wiring .................................................................................................. 289
DISPLAY Mode ................................................................................................................................................................................. 290
DISPLAY Mode All Screen ........................................................................................................................................................ 290
Abnormal State Screen Display ................................................................................................................................................ 291
SETUP Mode .................................................................................................................................................................................... 292
Accura 2750 Common Setup ................................................................................................................................................. 292
Accura 2750LC[I] Exclusive Setup ............................................................................................................................................ 293
SETUP Mode Button Operation ............................................................................................................................................... 294
SETUP Password Input Screen .................................................................................................................................................. 295
Unit ID ...................................................................................................................................................................................... 295
Control State Color .................................................................................................................................................................. 295
Buzzer....................................................................................................................................................................................... 296
EVENT Mode .................................................................................................................................................................................... 297
Accura 2750LC[I] Event ........................................................................................................................................................... 297
Chapter 10 Redundancy Wiring/Operation...................................................................................................................................... 299
Device Redundancy .......................................................................................................................................................................... 299
Host System Redundancy ......................................................................................................................................................... 299
Accura 2700M Device Redundancy ........................................................................................................................................ 299
Accura 2750LCG Device Redundancy .................................................................................................................................... 304
Accura 2750P[C] Device Redundancy ..................................................................................................................................... 306
Communication Redundancy .......................................................................................................................................................... 307
Accura 2700M Communication Redundancy ......................................................................................................................... 307
Accura 2750P[C] Communication Redundancy ..................................................................................................................... 308
Accura 2700/2750 Guide
Contents
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Page 17
Accura 2750LC[I] Communication Redundancy ..................................................................................................................... 308
Chapter 11 Measurement/Monitoring Function ................................................................................................................................ 310
Incoming-Unit ................................................................................................................................................................................... 310
Measurement Item ................................................................................................................................................................... 310
Voltage Monitoring ................................................................................................................................................................... 312
Motor-Unit ........................................................................................................................................................................................ 314
Measurement Item ................................................................................................................................................................... 314
Measurement Description ................................................................................................................................................................ 317
Measurement by Voltage Wiring Mode ................................................................................................................................... 317
Three Phase Current ................................................................................................................................................................ 318
TCU(Thermal Capacity Used) .................................................................................................................................................. 319
Ground Current by ZCT .......................................................................................................................................................... 319
Residual Ground Current by CT .............................................................................................................................................. 319
Voltage Unbalance(NEMA MG1) ............................................................................................................................................ 319
Current Unbalance(NEMA MG1) ............................................................................................................................................ 320
Negative-Sequence/Zero-Sequence Unbalance ..................................................................................................................... 320
Phase Power Measurement ...................................................................................................................................................... 321
Three-phase Total Power Measurement ................................................................................................................................... 322
Power Factor(PF) Measurement ................................................................................................................................................ 323
PF Phase Angle Status LEAD/LAG Measurement ..................................................................................................................... 324
Demand Measurement ........................................................................................................................................................... 324
Energy ...................................................................................................................................................................................... 325
Accura 2750P[C] Temperature Measurement ......................................................................................................................... 325
Harmonics Measurement ........................................................................................................................................................ 326
Chapter 12 Motor Protection Function .............................................................................................................................................. 327
Introduction of Protection Relay Function .......................................................................................................................................... 327
Thermal & Current characteristic ...................................................................................................................................................... 327
Term Description ...................................................................................................................................................................... 327
Summary of Protection Relay function According to Motor Operating Status .......................................................................... 331
Thermal Relay(THR) .......................................................................................................................................................................... 332
Over Current Relay(OCR) ................................................................................................................................................................ 336
Phase Out Current Relay(POCR) ...................................................................................................................................................... 338
Phase Sequence Relay(PSR) .............................................................................................................................................................. 340
Unbalance Current Relay(UBCR) ..................................................................................................................................................... 342
Long Start Relay(LSR) ........................................................................................................................................................................ 344
JAM Relay ......................................................................................................................................................................................... 346
Ground Fault Relay(GR(ZCT)) ........................................................................................................................................................... 348
Ground Fault Relay(GR(CT)) ............................................................................................................................................................. 350
Contents
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Under Current Relay(UCR) ............................................................................................................................................................... 352
Instantaneous Over Current Relay(I.OCR) ....................................................................................................................................... 354
Magnetic Contactor Supervision(MCS) ............................................................................................................................................. 356
Chapter 13 Motor Control Function ................................................................................................................................................. 358
Control Mode ................................................................................................................................................................................... 358
Control Mode Classification ..................................................................................................................................................... 358
Control Channel ...................................................................................................................................................................... 359
START/STOP Command Permission ........................................................................................................................................ 360
Safety LOCK Function .............................................................................................................................................................. 361
Inverter Operating Mode ................................................................................................................................................................. 362
Frequency Operating Mode .................................................................................................................................................... 362
Motor Operating State ..................................................................................................................................................................... 362
Start-to-Run State Transition ...................................................................................................................................................... 363
Starter Mode ..................................................................................................................................................................................... 366
Starter Setup Item ..................................................................................................................................................................... 366
RUN1/RUN2/STOP Command .............................................................................................................................................. 369
Digital Input/output .................................................................................................................................................................. 369
Control Logic function .............................................................................................................................................................. 370
Overload Protection ................................................................................................................................................................. 376
Direct Starter ............................................................................................................................................................................. 378
Reversing Starter ....................................................................................................................................................................... 380
2-Speed Starter ........................................................................................................................................................................ 382
2-Step Starter ........................................................................................................................................................................... 385
Custom Starter ......................................................................................................................................................................... 389
Emergency Start ................................................................................................................................................................................ 390
Starts Limit ........................................................................................................................................................................................ 390
Control Command Error Check ...................................................................................................................................................... 391
Remote Reset .................................................................................................................................................................................... 391
Auto Restart ...................................................................................................................................................................................... 392
Power Outage and Power Recovery ......................................................................................................................................... 392
Time Sequence Diagram ......................................................................................................................................................... 393
Control Command Refusal .............................................................................................................................................................. 395
Control Command Processing Result ...................................................................................................................................... 395
Reason for Refusal .................................................................................................................................................................... 395
Chapter 14 Maintenance ................................................................................................................................................................. 396
Incoming-Unit ................................................................................................................................................................................... 396
Voltage Monitoring Event ......................................................................................................................................................... 396
Data Clear ............................................................................................................................................................................... 396
Accura 2700/2750 Guide
Contents
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Page 19
Energy Set ................................................................................................................................................................................ 397
Test Mode ................................................................................................................................................................................. 397
Motor-Unit ........................................................................................................................................................................................ 399
Protection Event ........................................................................................................................................................................ 399
External Event ........................................................................................................................................................................... 399
Control Command Error Check Event ..................................................................................................................................... 399
Operation Limit Event .............................................................................................................................................................. 400
Starting Information ................................................................................................................................................................. 401
Motor History............................................................................................................................................................................ 402
Data Clear ............................................................................................................................................................................... 402
Energy Set ................................................................................................................................................................................ 403
Test Mode ................................................................................................................................................................................. 403
Chapter 15 Event ............................................................................................................................................................................. 406
Event Overview ................................................................................................................................................................................. 406
Event Classification ................................................................................................................................................................... 406
Captured Event ........................................................................................................................................................................ 407
Incoming-Unit Event ................................................................................................................................................................. 407
Motor-Unit Event ...................................................................................................................................................................... 408
Event Storing Item ............................................................................................................................................................................. 409
Event Property and Details for Event Type ......................................................................................................................................... 412
Protection & Monitoring Event .................................................................................................................................................. 412
Motor status event .................................................................................................................................................................... 416
Start Inhibit Event ...................................................................................................................................................................... 417
Control Command Event ......................................................................................................................................................... 418
Control Mode Event ................................................................................................................................................................. 418
Digital Input Event .................................................................................................................................................................... 419
Digital Output Event ................................................................................................................................................................. 419
Setup Change Event................................................................................................................................................................. 420
Module Connection Event ........................................................................................................................................................ 426
Redundancy Event .................................................................................................................................................................... 427
Control Command Error Check Event ..................................................................................................................................... 429
Operation Limit Event .............................................................................................................................................................. 429
Self-Diagnosis Event ................................................................................................................................................................. 430
Auto Restart Event ..................................................................................................................................................................... 431
Data Clear Event ...................................................................................................................................................................... 431
Event Reset Event ...................................................................................................................................................................... 432
Module Management Event .................................................................................................................................................... 433
Event Alarm and Clear ..................................................................................................................................................................... 435
Contents
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Event Log .................................................................................................................................................................................. 435
Event Alarm .............................................................................................................................................................................. 435
Event Clear ............................................................................................................................................................................... 439
Event Delete ............................................................................................................................................................................. 439
Appendix A Specification .................................................................................................................................................................. 440
Appendix B Standard Compliance ................................................................................................................................................... 463
Appendix C Accuracy/Reliability ....................................................................................................................................................... 464
Accura 2700M ......................................................................................................................................................................... 464
Accura 2750P[C] ..................................................................................................................................................................... 464
Accura 2750INV/VOL ............................................................................................................................................................. 465
Power Quality ........................................................................................................................................................................... 465
Appendix D Setup Item .................................................................................................................................................................... 466
Incoming-Unit Setup & Common Setup........................................................................................................................................... 466
METER ...................................................................................................................................................................................... 466
COMMUNICATION ................................................................................................................................................................ 467
EVENT ...................................................................................................................................................................................... 467
USER INTERFACE ..................................................................................................................................................................... 468
MAINTENANCE ....................................................................................................................................................................... 469
SYSTEM .................................................................................................................................................................................... 469
Motor-Unit Setup .............................................................................................................................................................................. 472
METER ...................................................................................................................................................................................... 472
PROTECTION .......................................................................................................................................................................... 473
CONTROL & DIO ................................................................................................................................................................... 476
USER INTERFACE ..................................................................................................................................................................... 481
MAINTENANCE ....................................................................................................................................................................... 483
SYSTEM .................................................................................................................................................................................... 484
Appendix E Starter Mode Wiring Diagram ........................................................................................................................................ 485
Overload Relay ................................................................................................................................................................................ 485
Wiring Diagram ....................................................................................................................................................................... 485
Direct Starter ..................................................................................................................................................................................... 486
Wiring Diagram ....................................................................................................................................................................... 486
Default Control Logic ............................................................................................................................................................... 487
Reversing Starter ............................................................................................................................................................................... 488
Wiring Diagram ....................................................................................................................................................................... 488
Default Control Logic ............................................................................................................................................................... 489
2-Speed Starter ................................................................................................................................................................................. 491
Wiring Diagram ....................................................................................................................................................................... 491
Default Control Logic ............................................................................................................................................................... 493
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![ROOTECHAccura 2750LC[I]](http://vs1.manuzoid.com/store/data/002376510_2-c6518920afdaba5e744f27d06247527d-160x210.png)
![ROOTECHAccura 2500/2550[AC]](http://vs1.manuzoid.com/store/data/002376518_2-a34e2f2018d189cad2e07a8dd7956c54-160x210.png)
![ROOTECHAccura 2500/2550[DC]](http://vs1.manuzoid.com/store/data/002376590_2-bdd97b3a7805d4719ec4f5d15f324a72-160x210.png)
