ROOTECH Accura 2700M User guide

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

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

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

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

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

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

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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

Accura 2700/2750 Guide

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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

Accura 2700/2750 Guide

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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

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

Page 16

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

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

Accura 2700/2750 Guide

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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

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

Accura 2700/2750 Guide

Page 20

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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ROOTECH Accura 2700M User guide

ROOTECH Accura 2700M User guide

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