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High-function General-purpose Inverter RX2 Series User’s Manual

11-2 Regenerative Braking Unit

(Model: 3G3AX-RBU)

11-2-2 External Dimensions

3G3AX-RBU24

234

20050

101

171

300

254

127

275

4-φ8

Ground

terminal (M5)

NRB

Main circuit terminal

Terminal width 33, M10 screw

Control circuit terminal

Terminal width 6.4, M3 screw

Alarm terminal

Terminal width 7.5, M3 screw

SL1 SL2

MA1

MA2

AL2 AL1

Control circuit

terminal

Alarm terminal

Main circuit terminal

Default Chapter3
- Introduction3
  - Intended Readers3
  - Notice3
- Manual Configuration4
- Manual Structure5
  - Page Structure and Symbol Icons5
  - Special Information6
- Sections in this Manual7
- Terms and Conditions Agreement8
- Safety Precautions10
- Regulations and Standards18
- Items to Check after Unpacking19
- Related Manuals22
- Revision History23
  - Table of Contents24
- Contents25
  - Overview33
Section 1 Overview34
- Overview of Functions34
- Appearance and Part Names39
- Specifications40
- Restrictions53
  - Design58
Installation58
- Inverter Installation58
- Precaution for Installation58
- Installation Environment61
Removal of each Part70
- Removing Cover70
- Terminal Blocks71
- Preparing Backing Plate72
Wiring74
- Standard Connection Diagram74
- Arrangement and Function of Main Circuit Terminal Block75
- Arrangement and Function of Control Circuit Terminal Block76
- Wiring for Main Circuit Terminals86
- Wiring for Control Circuit Terminals113
- Wiring for PG Option Unit117
- Wiring for RS485-Communication Terminals125
- Wiring for Digital Operator127
- Wiring for STO Function127
- Conditions of Conformity of EU Directives129
- Compatibility Conditions of UL/CSA Standards131
- Korean Radio Regulation (KC)134
- Reference Manual for Options134
  - Operation137
Overview of LCD Operator139
- Part Names and Descriptions139
- Names of Operation Keys140
- LCD Display141
- Transition of Screen Display147
- How to Set Battery and the Time Setting148
Parameter Settings150
- Scroll Mode150
- Concurrent Monitor Mode154
Monitor Function157
- Three-Line Monitor Screen157
- Setting Screen "Concurrent Monitor158
- Monitor with Large Characters159
Error History Display160
- Trip History160
- Retry History161
Data Copy Function163
- Read Function163
- Write Function164
System Settings166
Contents168
Changing the Data Indicated at the Bottom Center168
Parameter Function169
- Parameter Preservation Function169
- Limiting Displayed Parameters170
- Saving Automatically Changed Parameters180
- Protecting Parameters by Password181
Display Fixation Function183
Error Operation on the LCD Operator184
- Selection of Operation at Disconnection of LCD Operator184
Section 4 Test Run200
- Test Run Method200
- Settings and Commands Required for Running the Inverter201
- Operation Only with LCD Operator203
- Conduct a Test Run with Analog Input205
- Simulation Mode208
  - Monitor211
Section 5 Monitor213
- Frequency Monitor213
- Acceleration/Deceleration Time Monitor217
- Operation Direction Monitor218
- I/O Terminal Monitor219
- P-N Voltage Monitor221
- Operation Time and Count Monitor222
- Cooling Fin Temperature Monitor224
- Power Monitor225
  - Input Power Monitor225
  - Output Power Monitor226
- Life Monitor227
  - Life Diagnostic Monitor227
  - Monitor of Cumulative Operating Time of Cooling Fan228
- Electronic Thermal Load Ratio Monitor229
  - Electronic Thermal Load Ratio Monitor of Motor229
  - Electronic Thermal Load Ratio Monitor of Inverter229
- Inverter Rated Monitor230
  - Load Rated Monitor230
  - Rated Current Monitor230
- Braking Resistor Load Ratio Monitor231
- Inverter Status Monitor232
Analog Input Value Monitor234
Analog Terminal Setting Monitor235
Terminal Block Type Monitor236
Operation Command/Frequency Command Sources Monitor237
Options Monitor238
6-1 Basic Parameter Settings241
- Inverter Load Rating Settings241
- Basic Parameter Settings241
- Inverter Initialization243
Parameter Setting for Motor Related246
- Motor Basic Settings246
- Motor Constant Setting250
- Auto-Tuning of Motor252
Operation Command Settings257
- Types of Operation Commands257
- Operation with LCD Operator257
- Operation with Forward/Reverse Rotation Terminal258
- Operation with 3 Wire Function of Terminal Block259
- Operation with RS485 Communication260
- Operation from Optional Unit260
- Disabling the Keys on LCD Operator261
- Temporary Change of Operation Command Destination262
Frequency Command Settings263
- Frequency Command Selection263
- Case Where Command Is Given with LCD Operator264
- Case Where Command Is Given from Terminal Block Analog Signals265
- Case Where Command Is Given through RS485 Communications266
- Case Where Command Is Given through Input of Pulse String266
- Case Where Command Is Given through Driveprogramming272
- Case Where Command Is Given with PID Control272
- Case Where Command Is Given with Main Speed Command and Auxiliary Speed Command273
- Case Where Command Is Given with Multi-Step Speed275
- Temporal Addition of Frequency Command279
- Up/Down Function (FUP, FDN)279
- Analog Command Hold Function (AHD)280
- Temporal Change of Frequency Command Destinations281
Limit Frequency and Operation Commands282
- Limit Operation Command Direction283
- Limit Output Direction283
- Operation Permission284
Thermal Protection of Motor (Electronic Thermal)286
- Electronic Thermal Setting286
- Monitoring of Motor Temperature293
Acceleration/Deceleration Settings294
- Change Acceleration Time and Deceleration Time294
- Switch Acceleration Time and Deceleration Time in Two Stages296
- Switching of Acceleration or Deceleration Time with Multi-Speed Step299
- Holding Function of Acceleration/Deceleration304
- Change the Acceleration or Deceleration Pattern305
- Following Frequency Command308
Section 7 Advanced Settings311
- 7-1 Overview of Motor Control Methods313
Section 8 Applied Settings404
- Overload Limit Level Function440
- Overcurrent Suppression Selection442
- Overvoltage Suppression Function During Deceleration444
- Overexcitation Function447
- Regenerative Braking Function450
- Restart During Power Interruption/Undervoltage452
- Restart on Overvoltage/Overcurrent458
- Non-Stop on Momentary Power Interruption463
Protective Functions469
- Input Power Supply Phase Loss Protection469
- Output Phase Loss Protection Function469
- External Trip (EXT) Function470
- Power Recovery Restart Prevention Function (USP)471
- Overcurrent Detection471
- Instantaneous Power Interruption/Undervoltage Detection472
- Overcurrent Detection472
- Frequency Jump Function477
- Speed Deviation Error Detection478
- Overspeed Error Detection479
Control Function480
- 2Nd Control (SET)480
- Commercial Switch (CS)481
- Jogging Operation Function (JG)483
- Brake Control Function (BRK)485
- Contactor Control (CON)491
- Forced Operation494
- Pulse Train Position Control499
- Orientation Control505
- Absolute Position Control508
- Servo Lock (SON)520
Cooling Fan Control522
Alarm Signal523
- Alarm Signal (AL)523
- Fatal Fault Signal (MJA)525
- Alarm Code526
- Overload Warning Function (OL/OL2)527
- Low Current Signal (LOC)529
- Momentary Power Interruption Signal (IP)531
- Signal During Undervoltage (UV)532
- Motor Thermal Warning Signal (THM)533
- Inverter Thermal Warning Signal (THC)534
- Cooling Fin Overheat Warning Signal (OHF)535
- Capacitor Life Warning Signal (WAC)536
- Cooling Fan Life Warning Signal (WAF)536
- RUN Time over Signal (RNT)537
- Power on Time over Signal538
- Incoming Overvoltage Signal (OVS)539
Terminal Output During Run540
- Signal During RUN (RUN)540
- Signal During RUN (FWR/RVR)541
- Starting Contact Signal542
- Operation Ready (IRDY)543
Frequency Arrival Signal (FA1 to FA5)544
- Output Signal on Constant Speed Arrival (FA1)544
- Set Frequency Exceeded Signal (FA2/FA4)545
- Set Frequency Matched Signal (FA3/FA5)546
- 0-Hz Detection Signal (ZS)547
Applied Output548
- Analog Disconnection Signal548
- Logical Output Signal551
Input Terminal Function554
- Overview554
- Input Terminal Selections555
- Input Terminal Response Time558
- Reset559
- Analog Input563
- Pulse Count Function567
- Automatic Reset Function570
- Output Terminal Function573
Section 9 Communications Functions594
Section 10 Driveprogramming696
Section 11 Options701
- Specifications722
- External Dimensions724
- Connection Examples727
AC Reactor (Model: 3G3AX-AL)728
- Specifications728
- External Dimensions730
- Connection Examples731
Input Noise Filter (Model: 3G3AX-NFI)732
- Specifications732
- External Dimensions734
- Connection Examples739
Output Noise Filter (Model: 3G3AX-NFO)740
- Specifications740
- External Dimensions742
- Connection Example743
Radio Noise Filter (Model: 3G3AX-ZCL)744
- Specifications744
- External Dimensions745
- Connection Example746
11-10EMC Noise Filter (Model: 3G3AX-EFI )747
- Specifications747
- EMC Noise Filter (Model: 3G3AX-EFI)747
- External Dimensions749
- Connection Example752
Digital Operator Cable (Model: 3G3AX-OPCN)753
- Specifications753
  - Troubleshooting755
Checking Alarm Display756
- Checking Trip Information756
- Checking Retry Information757
- Procedure for Resetting Trip State758
Error No. and Its Measure759
- Error No. Table759
- Details about Errors761
Alarm Display and Its Measures777
- Checking Alarm Display777
- Checking Inconsistent Settings783
- Checking Message784
Troubleshooting786
- Maintenance and Inspection795
Daily Inspection796
Periodic Inspection797
Inspection Items798
Cleaning802
Test Methods803
- Megger Test803
- Pressure Test803
- Checking Method of Inverter and Converter804
- Measurement Method of I/O Voltage, Current, and Power806
- Smoothing Capacitor Life Curve807
- Life Alarming Output808
Appendices a Technical Information810
- Comparison of External Dimensions810
- Parameter Comparison818
- Overview of Inverter Selection833
Appendices B STO Function837
- Overview of STO Function838
Appendices C Table of Parameters849
- Parameter Notation850
- Monitor List852
- Parameter List869

Brand	Omron
Model	RX2 Series
Category	Inverter
Language	English

Omron RX2 Series User Manual

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Omron RX2 Series Specifications

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