Oriental motor FRN0001C2S-2U User manual

Type
User manual
User's Manual
24A7-E-0023d
Compact Inverter
User's Manual
Copyright © 2013-2014 Fuji Electric Co., Ltd.
All rights reserved.
No part of this publication may be reproduced or copied without prior written permission from Fuji Electric
Co., Ltd.
All products and company names mentioned in this manual are trademarks or registered trademarks of their
respective holders.
The information contained herein is subject to change without prior notice for improvement.
i
Preface
This manual provides all the information on the FRENIC-Mini series of inverters including its operating
procedure, operation modes, and selection of peripheral equipment. Carefully read this manual for proper use.
Incorrect handling of the inverter may prevent the inverter and/or related equipment from operating correctly,
shorten their lives, or cause problems.
The table below lists the other materials related to the use of the FRENIC-Mini. Read them in conjunction
with this manual as necessary.
Name Material No. Description
Catalog 24A1-E-0011
Product scope, features, specifications, external
drawings, and options of the product
Instruction Manual INR-SI47-1729-E
Acceptance inspection, mounting & wiring of the
inverter, operation using the keypad, running the
motor for a test, troubleshooting, and maintenance
and inspection
RS-485 Communication
User's Manual MEH448
Overview of functions implemented by the use of
RS-485 communication, the communications
specifications, Modbus RTU/Fuji general-purpose
inverter protocol, related function codes, and data
formats
The materials are subject to change without notice. Be sure to obtain the latest editions for use.
Guideline for Suppressing Harmonics in Home Electric and General-purpose
Appliances
Our three-phase, 200 V class series inverters of 3.7 kW or less (FRENIC-Mini series) were the products of
which were restricted by the "Guideline for Suppressing Harmonics in Home Electric and General-purpose
Appliances" (established in September 1994 and revised in October 1999) issued by the Ministry of
Economy, Trade and Industry.
The above restriction, however, was lifted when the Guideline was revised in January 2004. Since then, the
inverter makers have individually imposed voluntary restrictions on the harmonics of their products.
We, as before, recommend that you connect a reactor (for suppressing harmonics) to your inverter. As a
reactor, select a "DC REACTOR" introduced in this manual. For use of the other reactor, please inquire of us
about detailed specifications.
Japanese Guideline for Suppressing Harmonics by Customers Receiving
High Voltage or Special High Voltage
Refer to this manual, Appendix B for details on this guideline.
ii
Safety precautions
Read this manual and the FRENIC-Mini Instruction Manual (INR-SI47-1729-E) thoroughly before
proceeding with installation, connections (wiring), operation, or maintenance and inspection. Ensure you
have sound knowledge of the product and familiarize yourself with all safety information and precautions
before proceeding to operate the inverter.
Safety precautions are classified into the following two categories in this manual.
Failure to heed the information indicated by this symbol may lead to
dangerous conditions, possibly resulting in death or serious bodily injuries.
Failure to heed the information indicated by this symbol may lead to
dangerous conditions, possibly resulting in minor or light bodily injuries
and/or substantial property damage.
Failure to heed the information contained under the CAUTION title can also result in serious consequences.
These safety precautions are of utmost importance and must be observed at all times.
This product is not designed for use in appliances and machinery on which lives depend. Consult your Fuji
Electric representative before considering the FRENIC-Mini series of inverters for equipment and
machinery related to nuclear power control, aerospace uses, medical uses or transportation. When the
product is to be used with any machinery or equipment on which lives depend or with machinery or
equipment which could cause serious loss or damage should this product malfunction or fail, ensure that
appropriate safety devices and/or equipment are installed.
iii
î‚„ Precautions for Use
Driving a 400 V
general-purpose
motor
When driving a 400 V general-purpose motor with an inverter using
extremely long wires, damage to the insulation of the motor may occur. Use
an output circuit filter (OFL) if necessary after checking with the motor
manufacturer. Fuji motors do not require the use of output circuit filters
because of their reinforced insulation.
Torque
characteristics and
temperature rise
When the inverter is used to run a general-purpose motor, the temperature
of the motor becomes higher than when it is operated using a commercial
power supply. In the low-speed range, the cooling effect will be weakened,
so decrease the output torque of the motor. If constant torque is required in
the low-speed range, use a Fuji inverter motor or a motor equipped with an
externally powered ventilating fan.
Vibration
When an inverter-driven motor is mounted to a machine, resonance may be
caused by the natural frequencies of the machine system.
Note that operation of a 2-pole motor at 60 Hz or higher may cause
abnormal vibration.
* The use of a rubber coupling or vibration-proof rubber is recommended.
* Use the inverter's jump frequency control feature to skip the resonance
frequency zone(s).
In running
general-
purpose
motors
Noise
When an inverter is used with a general-purpose motor, the motor noise
level is higher than that with a commercial power supply. To reduce noise,
raise carrier frequency of the inverter. Operation at 60 Hz or higher can also
result in higher level of wind roaring sound.
High-speed
motors
If the reference frequency is set to 120 Hz or more to drive a high-speed
motor, test-run the combination of the inverter and motor beforehand to
check for safe operation.
Explosion-proof
motors
When driving an explosion-proof motor with an inverter, use a combination
of a motor and an inverter that has been approved in advance.
Submersible
motors and pumps
These motors have a higher rated current than general-purpose motors.
Select an inverter whose rated output current is higher than that of the
motor.
These motors differ from general-purpose motors in thermal characteristics.
Set a low value in the thermal time constant of the motor when setting the
electronic thermal overcurrent protection (for motor).
Brake motors
For motors equipped with parallel-connected brakes, their power supply for
brake must be supplied from the inverter’s primary circuit. If the power
supply for brake is connected to the inverter's output circuit by mistake, the
brake will not work.
Do not use inverters for driving motors with series-connected brake coils.
Geared motors
If the power transmission mechanism uses an oil-lubricated gearbox or
speed changer/reducer, then continuous motor operation at low speed may
cause poor lubrication. Avoid such operation.
In running
special
motors
Single-phase
motors
Single-phase motors are not suitable for inverter-driven variable speed
operation. Use three-phase motors.
Environ-
mental
conditions
Installation
location
Use the inverter within the ambient temperature range from -10 to +50°C.
The heat sink and braking resistor of the inverter may become hot under
certain operating conditions, so install the inverter on nonflammable
material such as metal.
Ensure that the installation location meets the environmental conditions
specified in Chapter 8, Section 8.4 "Operating Environment and Storage
Environment."
iv
Installing an
MCCB or
RCD/ELCB
Install a recommended molded case circuit breaker (MCCB) or
residual-current-operated protective device (RCD)/earth leakage circuit
breaker (ELCB) (with overcurrent protection) in the primary circuit of each
inverter to protect the wiring. Ensure that the circuit breaker capacity is
equivalent to or lower than the recommended capacity.
Installing an MC
in the secondary
circuit
If a magnetic contactor (MC) is installed in the inverter's output (secondary)
circuit for switching the motor to commercial power or for any other
purpose, ensure that both the inverter and the motor are completely stopped
before you turn the MC on or off.
Remove a surge killer integrated with the magnetic contactor in the
inverter's output (secondary) circuit.
Installing an MC
in the primary
circuit
Do not turn the magnetic contactor (MC) in the primary circuit on or off
more than once an hour as an inverter failure may result.
If frequent starts or stops are required during motor operation, use terminal
[FWD]/[REV] signals or the / key.
Protecting the
motor
The electronic thermal feature of the inverter can protect the motor. The
operation level and the motor type (general-purpose motor, inverter motor)
should be set. For high-speed motors or water-cooled motors, set a small
value for the thermal time constant.
If you connect the motor thermal relay to the motor with a long wire, a
high-frequency current may flow into the wiring stray capacitance. This
may cause the thermal relay to trip at a current lower than the set value. If
this happens, lower the carrier frequency or use the output circuit filter
(OFL).
Discontinuance of
power-factor
correcting
capacitor
Do not connect power-factor correcting capacitors to the inverter’s primary
circuit. (Use the DC reactor to improve the inverter power factor.) Do not
use power-factor correcting capacitors in the inverter’s output (secondary)
circuit. An overcurrent trip will occur, disabling motor operation.
Discontinuance of
surge killer Do not connect a surge killer to the inverter's output (secondary) circuit.
Reducing noise
Use of a filter and shielded wires is typically recommended to satisfy EMC
Directive.
Refer to Appendices, App. A "Advantageous Use of Inverters (Notes on
electrical noise)" for details.
Measures against
surge currents
If an overvoltage trip occurs while the inverter is stopped or operated under
light load, it is assumed that the surge current is generated by open/close of
the phase-advancing capacitor in the power system.
* Connect a DC reactor to the inverter.
Combina-
tion with
peripheral
devices
Megger test
When checking the insulation resistance of the inverter, use a 500 V megger
and follow the instructions contained in the FRENIC-Mini Instruction
Manual (INR-SI47-1729-E), Chapter 7, Section 7.5 "Insulation Test."
v
Control circuit
wiring length
When using remote control, limit the wiring length between the inverter and
operator panel to 20 m or less and use twisted pair or shielded wire.
Wiring length
between inverter
and motor
If long wiring is used between the inverter and the motor, the inverter may
overheat or trip due to overcurrent because a higher harmonics current
flows into the stray capacitance between each phase wire. Ensure that the
wiring is shorter than 50 m. If this length must be exceeded, lower the
carrier frequency or install an output circuit filter (OFL).
Wire size Select wires with a sufficient capacity by referring to the current value or
recommended wire size.
Wire type Do not share one multi-core cable in order to connect several inverters with
motors.
Wiring
Grounding Securely ground the inverter using the grounding terminal.
Driving
general-purpose
motor
Select an inverter according to the nominal applied motor ratings listed in
the standard specifications table for the inverter.
When high starting torque is required or quick acceleration or deceleration
is required, select an inverter with one rank larger capacity than the
standard. Refer to Chapter 7, Section 7.1 "Selecting Motors and Inverters"
for details.
Selecting
inverter
capacity
Driving special
motors
Select an inverter that meets the following condition:
Inverter rated current > Motor rated current
Transpor-
tation and
storage
For transportation and storage instructions, see the FRENIC-Mini Instruction Manual
(INR-SI47-1729-E), Chapter 1, Section 1.3 "Transportation" and Section 1.4 "Storage
Environment."
vi
How this manual is organized
This manual contains Chapters 1 through 9, and Appendices.
Chapter 1 INTRODUCTION TO FRENIC-MINI
This chapter describes the features and control system of the FRENIC-Mini series, and the recommended
configuration for the inverter and peripheral equipment.
Chapter 2 PARTS NAMES AND FUNCTIONS
This chapter contains external views of the FRENIC-Mini series and an overview of terminal blocks,
including a description of the LED display and keys on the keypad.
Chapter 3 OPERATION USING THE KEYPAD
This chapter describes inverter operation using the keypad. The inverter features three operation modes
(Running, Programming and Alarm modes) which enable you to run and stop the motor, monitor running
status, set function code data, display running information required for maintenance, and display alarm data.
Chapter 4 BLOCK DIAGRAMS FOR CONTROL LOGIC
This chapter describes the main block diagrams for the control logic of the FRENIC-Mini series of inverters.
Chapter 5 RUNNING THROUGH RS-485 COMMUNICATIONS
This chapter describes an overview of inverter operation through the RS-485 communications facility. Refer
to the RS-485 Communication User's Manual (MEH448) for details.
Chapter 6 SELECTING PERIPHERAL EQUIPMENT
This chapter describes how to use a range of peripheral equipment and options, FRENIC-Mini's
configuration with them, and requirements and precautions for selecting wires and crimp terminals.
Chapter 7 SELECTING OPTIMAL MOTOR AND INVERTER CAPACITIES
This chapter provides you with information about the inverter output torque characteristics, selection
procedure, and equations for calculating capacities to help you select optimal motor and inverter models. It
also helps you select braking resistors.
Chapter 8 SPECIFICATIONS
This chapter describes specifications of the output ratings, control system, and terminal functions for the
FRENIC-Mini series of inverters. It also provides descriptions of the operating and storage environment,
external dimensions, examples of basic connection diagrams, and details of the protective functions.
Chapter 9 FUNCTION CODES
This chapter contains overview lists of seven groups of function codes available for the FRENIC-Mini series
of inverters and details of each function code.
Appendices
App. A Advantageous Use of Inverters (Notes on electrical noise)
App. B Japanese Guideline for Suppressing Harmonics by Customers Receiving High Voltage or Special
High Voltage
App. C Effect on Insulation of General-purpose Motors Driven with 400 V Class Inverters
App. D Inverter Generating Loss
App. E Conversion from SI Units
App. F Allowable Current of Insulated Wires
App. G Replacement Information
vii
Icons
The following icons are used throughout this manual.
This icon indicates information which, if not heeded, can result in the inverter not operating to
full efficiency, as well as information concerning incorrect operations and settings which can
result in accidents.
This icon indicates information that can prove handy when performing certain settings o
r
operations.
 This icon indicates a reference to more detailed information.
viii
CONTENTS
Chapter 1 INTRODUCTION TO FRENIC-Mini
1.1 Features..................................................................................................................................................... 1-1
1.2 Control System ....................................................................................................................................... 1-10
1.3 Recommended Configuration ................................................................................................................. 1-11
Chapter 2 PARTS NAMES AND FUNCTIONS
2.1 External View and Terminal Blocks ......................................................................................................... 2-1
2.2 Names and Functions of Keypad Components ......................................................................................... 2-2
Chapter 3 OPERATION USING THE KEYPAD
3.1 Overview of Operation Modes ................................................................................................................. 3-1
3.2 Running Mode .......................................................................................................................................... 3-3
3.2.1 Run/stop the motor.............................................................................................................................. 3-3
3.2.2 Set up the reference frequency and PID process command ................................................................ 3-3
3.2.3 Monitor the running status .................................................................................................................. 3-5
3.2.4 Jog (inch) the motor ............................................................................................................................ 3-7
3.3 Programming Mode .................................................................................................................................. 3-8
3.3.1 Setting the function codes--"Data Setting".......................................................................................... 3-9
3.3.2 Checking changed function codes--"Data Checking" ....................................................................... 3-13
3.3.3 Monitoring the running status--"Drive Monitoring" .........................................................................3-14
3.3.4 Checking I/O signal status--"I/O Checking" ..................................................................................... 3-17
3.3.5 Reading maintenance information--"Maintenance Information" ...................................................... 3-21
3.3.6 Reading alarm information--"Alarm Information"............................................................................3-24
3.4 Alarm Mode............................................................................................................................................ 3-28
3.4.1 Releasing the alarm and transferring the inverter to Running mode ................................................. 3-28
3.4.2 Displaying the alarm history ............................................................................................................. 3-28
3.4.3 Displaying the running information when an alarm occurs .............................................................. 3-29
3.4.4 Transferring to Programming mode .................................................................................................. 3-29
Chapter 4 BLOCK DIAGRAMS FOR CONTROL LOGIC
4.1 Symbols Used in the Block Diagrams and their Meanings.......................................................................4-1
4.2 Drive Frequency Command Generator..................................................................................................... 4-2
4.3 Drive Command Generator....................................................................................................................... 4-4
4.4 Terminal Command Decoders .................................................................................................................. 4-6
4.5 Digital Output Selector ........................................................................................................................... 4-10
4.6 Analog Output (FMA) Selector .............................................................................................................. 4-12
4.7 Drive Command Controller .................................................................................................................... 4-13
4.8 PID Frequency Command Generator...................................................................................................... 4-16
Chapter 5 RUNNING THROUGH RS-485 COMMUNICATIONS
5.1 Overview on RS-485 Communication...................................................................................................... 5-1
5.1.1 Common specifications....................................................................................................................... 5-2
5.1.2 Connector specifications ..................................................................................................................... 5-3
5.1.3 Connection .......................................................................................................................................... 5-4
5.2 Overview of FRENIC Loader................................................................................................................... 5-5
5.2.1 Specifications ...................................................................................................................................... 5-5
5.2.2 Connection .......................................................................................................................................... 5-6
5.2.3 Function overview............................................................................................................................... 5-6
5.2.3.1 Setting of function code .............................................................................................................. 5-6
5.2.3.2 Running status monitor ............................................................................................................... 5-7
5.2.3.3 Test-running ................................................................................................................................ 5-9
ix
Chapter 6 SELECTING PERIPHERAL EQUIPMENT
6.1 Configuring the FRENIC-Mini................................................................................................................. 6-1
6.2 Selecting Wires and Crimp Terminals....................................................................................................... 6-2
6.2.1 Recommended wires........................................................................................................................... 6-4
6.2.2 Crimp terminals................................................................................................................................. 6-12
6.3 Peripheral Equipment ............................................................................................................................. 6-13
6.4 Selecting Options.................................................................................................................................... 6-20
6.4.1 Peripheral equipment options............................................................................................................ 6-20
6.4.2 Options for operation and communications ...................................................................................... 6-33
6.4.3 Extended installation kit options ....................................................................................................... 6-37
6.4.4 Meter options .................................................................................................................................... 6-40
Chapter 7 SELECTING OPTIMAL MOTOR AND INVERTER CAPACITIES
7.1 Selecting Motors and Inverters................................................................................................................. 7-1
7.1.1 Motor output torque characteristics..................................................................................................... 7-1
7.1.2 Selection procedure............................................................................................................................. 7-4
7.1.3 Equations for selections ...................................................................................................................... 7-7
7.1.3.1 Load torque during constant speed running ................................................................................ 7-7
7.1.3.2 Acceleration and deceleration time calculation........................................................................... 7-8
7.1.3.3 Heat energy calculation of braking resistor............................................................................... 7-11
7.1.3.4 Calculating the RMS rating of the motor .................................................................................. 7-12
7.2 Selecting a Braking Resistor................................................................................................................... 7-13
7.2.1 Selection procedure........................................................................................................................... 7-13
7.2.2 Notes on selection ............................................................................................................................. 7-13
Chapter 8 SPECIFICATIONS
8.1 Standard Models ....................................................................................................................................... 8-1
8.1.1 Three-phase 200 V series .................................................................................................................... 8-1
8.1.2 Three-phase 400 V series .................................................................................................................... 8-2
8.1.3 Single-phase 200 V series ................................................................................................................... 8-3
8.1.4 Single-phase 100 V series ................................................................................................................... 8-4
8.2 Semi-standard Models .............................................................................................................................. 8-5
8.2.1 EMC filter built-in type in three-phase 400 V series........................................................................... 8-5
8.2.2 EMC filter built-in type in single-phase 200 V series ......................................................................... 8-6
8.3 Common Specifications............................................................................................................................ 8-7
8.4 Terminal Specifications .......................................................................................................................... 8-11
8.4.1 Terminal functions ............................................................................................................................ 8-11
8.4.2 Location of terminal blocks............................................................................................................... 8-19
8.4.3 Terminal arrangement diagram and screw specifications.................................................................. 8-20
8.4.3.1 Main circuit terminals ............................................................................................................... 8-20
8.4.3.2 Control circuit terminals............................................................................................................ 8-22
8.5 Operating Environment and Storage Environment ................................................................................. 8-24
8.5.1 Operating environment...................................................................................................................... 8-24
8.5.2 Storage environment ......................................................................................................................... 8-25
8.5.2.1 Temporary storage..................................................................................................................... 8-25
8.5.2.2 Long-term storage ..................................................................................................................... 8-25
8.6 External Dimensions............................................................................................................................... 8-26
8.6.1 Standard models ................................................................................................................................ 8-26
8.6.2 EMC filter built-in type..................................................................................................................... 8-32
8.7 Connection Diagrams ............................................................................................................................. 8-37
8.7.1 Keypad operation .............................................................................................................................. 8-37
8.7.2 Operation by external signal inputs................................................................................................... 8-38
8.8 Details of Protective Functions............................................................................................................... 8-39
x
Chapter 9 FUNCTION CODES
9.1 Function Code Tables ............................................................................................................................... 9-1
9.2 Details of Function Codes....................................................................................................................... 9-20
9.2.1 F codes (Fundamental functions) ...................................................................................................... 9-20
9.2.2 E codes (Extension terminal functions)............................................................................................. 9-47
9.2.3 C codes (Control functions) .............................................................................................................. 9-71
9.2.4 P codes (Motor 1 parameters) ........................................................................................................... 9-77
9.2.5 H codes (High performance functions) ............................................................................................. 9-81
9.2.6 A codes (Motor 2 parameters)......................................................................................................... 9-107
9.2.7 J codes (Application functions)....................................................................................................... 9-109
9.2.8 y codes (Link functions).................................................................................................................. 9-119
9.3 Notes in Driving PMSM....................................................................................................................... 9-124
Appendices
App. A Advantageous Use of Inverters (Notes on electrical noise)................................................................... A-1
A.1 Effect of inverters on other devices....................................................................................................... A-1
A.2 Noise...................................................................................................................................................... A-2
A.3 Noise prevention.................................................................................................................................... A-4
App. B Japanese Guideline for Suppressing Harmonics by Customers Receiving High Voltage or
Special High Voltage ........................................................................................................................... A-12
B.1 Application to general-purpose inverters............................................................................................. A-12
B.2 Compliance to the harmonic suppression for customers receiving high voltage or
special high voltage ............................................................................................................................. A-13
App. C Effect on Insulation of General-purpose Motors Driven with 400 V Class Inverters.......................... A-17
C.1 Generating mechanism of surge voltages ............................................................................................ A-17
C.2 Effect of surge voltages ....................................................................................................................... A-18
C.3 Countermeasures against surge voltages ............................................................................................. A-18
C.4 Regarding existing equipment ............................................................................................................. A-19
App. D Inverter Generating Loss ..................................................................................................................... A-20
App. E Conversion from SI Units.................................................................................................................... A-21
App. F Allowable Current of Insulated Wires ................................................................................................. A-23
App. G Replacement Information .................................................................................................................... A-25
G.1 Compatibility and differences between FRENIC-Mini series FRNC1- and
FRNC2- ...................................................................................................................... A-25
G.2 External dimensions comparison tables............................................................................................... A-26
G.3 Terminal arrangements and symbols ................................................................................................... A-29
G.4 Function codes..................................................................................................................................... A-31
Chapter 1
INTRODUCTION TO FRENIC-Mini
This chapter describes the features and control system of the FRENIC-Mini series, and the recommended
configuration for the inverter and peripheral equipment.
Contents
1.1 Features....................................................................................................................................................... 1-1
1.2 Control System.......................................................................................................................................... 1-10
1.3 Recommended Configuration ................................................................................................................... 1-11
1.1 Features
1-1
Chap. 1 INTRODUCTION TO FRENIC-Mini
1.1 Features
Upgraded FRENIC-Mini (FRNî‚…î‚…î‚…î‚…C2î‚…-î‚…î‚…) functions
• Dynamic torque vector control providing bumped-up torque performance
Fuji's original dynamic torque vector control broadens the range of applications.
• RS-485 communications port provided as standard to facilitate system configuration
While the original FRENIC-Mini series has an RS-485 communications port as an option, the
upgraded one has it as standard, making it easy to connect the upgraded one to a PLC and facilitating
system configuration.
• Slow flowrate stop function under PID control for further energy saving
Under PID control for constant pump discharge pressure, the slow flowrate stop function stops the
inverter when the pump discharge pressure is high, which achieves further energy saving.
• Braking signal function making the FRENIC-Mini applicable to simple vertical lift
applications
The upgraded FRENIC-Mini series supports brake ON/OFF signals that are conventionally supported
by the upper inverter series only. The braking signal function enables the FRENIC-Mini to be applied
to simple vertical lift applications.
• Motor switching function
Turning the Di terminal ON and OFF switches between parameters specified for the 1st motor and
those for the 2nd motor. This further broadens the range of applications.
• Motor auto-tuning
The auto-tuning function enables the dynamic torque vector control, automatic energy saving
operation, and other advanced motor controls to be applied also to non-Fuji general purpose motors.
• Long-life DC link bus capacitors, control printed circuit board capacitors and cooling fans
adopted
• Optional USB-equipped remote keypad
Data copying and connection to FRENIC Loader are easy.
• Permanent magnet synchronous motor (PMSM) supported
A PMSM is more efficient than an induction motor (IM) so that further energy saving can be achieved.
• Available capacity range up to 15 kW (20 HP)
The capacity range has been spread.
1-2
Optimum performance for traversing conveyors
• High starting torque, at 150% or more
Equipped with Fuji's original dynamic torque-vector control system and the automatic torque boost
function, these inverters ensure consistent and powerful operation (when automatic torque boost and
slip compensation control are ON and start frequency is set at 3 Hz).
Figure 1.1 Torque Characteristics Data
(Dynamic torque vector control: ON)
Figure 1.2 Example of Output Torque Characteristics
• Braking resistor connectable to the inverter
FRENIC-Mini series of inverters features a built-in braking transistor (for inverters of 0.4 kW (1/2
HP) or larger), which makes it possible for an optional braking resistor to be connected to increase the
regenerative braking ability for conveyance and transportation machinery that requires strong braking
power.
• Trip-free operation
The remarkably improved current limiting function (stall prevention) ensures trip-free operation even
for impact loads.
Figure 1.3 Example of Response for Impact Load Torque
• Stable operation even for a step load
The slip compensation function ensures stable operation even when the motor load fluctuates (step
load).
Figure 1.4 Example of Response for Step Load Torque (Refer to the note in Figure 1.2 for the test configuration.)
1.1 Features
1-3
Chap. 1 INTRODUCTION TO FRENIC-Mini
• Inclusion of a brake signal makes it even more convenient
At brake release time
After the motor runs, the inverter detects torque generation and outputs signals.
At brake application time
Brake application that matches the timing can be done, so mechanical brake wear is reduced.
• Tripless deceleration by automatic deceleration control
The inverter controls the energy level generated and the deceleration time to decelerate to stop the
motor without tripping due to overvoltage.
Figure 1.5
Default functions for fans and pumps
• Automatic energy-saving function provided as standard
To minimize the total loss (motor loss plus inverter loss), rather than just the motor loss as in the
predecessor models, FRENIC-Mini saves even more power when used with fans or pumps.
 Refer to Chapter 4, Section 4.7 "Drive Command Controller" for details.
* Energy savings vary depending on the motor characteristics.
Figure 1.6 Example of Energy Savings
1-4
• PID control function
Permits motor operation while controlling temperature, pressure, or flow rate without using an
external device such as a temperature regulator. Under the constant pump discharge pressure control,
the slow flowrate stop function is available.
 Refer to Chapter 4, Section 4.8 "PID Frequency Command Generator" for details.
• Cooling fan ON/OFF control function
The inverter's cooling fan can be turned off while the fan or pump is stopped for noise reduction and
energy savings.
The ideal functions to serve a multiplicity of needs for small-capacity inverters
• Compatible with a wide range of frequency settings
You can select the optimum frequency setting method that matches your machine or equipment via the
keypad ( / keys or potentiometer), analog input (4 to 20 mA, 0 to 20 mA, 0 to +10 V, 0 to +5 V,
1 to 5 V), 16 multistep speed settings (0 to 15 steps) or via RS-485 communications.
• A transistor output is provided
This enables an overload early warning, lifetime forecast or other information signals to be output
during operation.
 Refer to function code E20 in Chapter 9, Section 9.2.2 "E codes (Extension terminal functions)."
• High output frequency - up to 400 Hz
The inverter can be used with equipment such as centrifugal separators that require a high motor speed.
In this case, you need to check whether the machine operation in combination with the motor is
compatible or not.
• Three points can be set for a non-linear V/f pattern.
The addition of an extra point (total 3 points) for the non-linear V/f pattern, which can be set as desired,
improves the FRENIC-Mini's drive capability, because the V/f pattern can be adjusted to match a
wider application area.
 Refer to Chapter 4, Section 4.7 "Drive Command Controller" for details.
Compact size
• Side-by-side mounting
More than one FRENIC-Mini inverter can be mounted side-by-side without any gap inside your
system control panel, thereby reducing the amount of space required for installation. (Ambient
temperature: 40°C (104°F) or lower)
Unit: mm (inch)
(Example: Inverters of 3-phase 200 V, 0.75 kW (1 HP) or less)
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Oriental motor FRN0001C2S-2U User manual

Type
User manual

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