Name: Mitsubishi Electric FR-D740 SC EC
Brand: Mitsubishi Electric
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MITSUBISHI ELECTRIC

INDUSTRIAL AUTOMATION

FR-D700

Frequency Inverter

Instruction Manual

FR-D720S SC EC

FR-D740 SC EC

Art. No: 260451

14 02 2013

Version A

Version check

Table of Contents13
Inverter Type21
Description of the Case22
- Accessory23
Removal and Reinstallation of the Front Cover25
- FR-D740-120SC and FR-D740-160SC26
Removal and Reinstallation of the Wiring Cover28
Mounting29
Enclosure Design31
- Inverter Placement35
Inverter and Peripheral Devices37
- Peripheral Devices39
Terminal Connection Diagram40
Main Circuit Connection42
Control Circuit Specifications49
- Control Circuit Terminals53
- Wiring Instructions57
- Safety Stop Function58
- Changing the Control Logic63
- PU Connector66
- RS485 Communication67
Connection of Stand-Alone Option Units68
- Connection of a Brake Unit FR-BU273
- Connection of the High Power Factor Converter FR-HC76
- Connection of the Power Regeneration Common Converter FR-CV77
- Connection of the Power Improving DC Reactor FFR-HEL-(H)-E78
- Installation of a Reactor79
Electromagnetic Compatibility (EMC)80
- Inverter-Generated Noises and Their Reduction Techniques84
- Power Supply Harmonics87
- Inverter-Driven 400V Class Motor88
Precautions for Use of the Inverter89
- Failsafe of the System Which Uses the Inverter92
Drive the Motor95
- Operation Panel96
- Basic Operation (Factory Setting)98
- Easy Operation Mode Setting (Easy Setting Mode)99
- Operation Lock101
- Monitoring of Output Current and Output Voltage103
- Change the Parameter Setting Value104
- Parameter Clear/All Parameter Clear105
- Initial Value Change List106
Simple Mode Parameter List109
- Overheat Protection of the Motor by the Inverter110
- When the Rated Motor Frequency Is 60Hz (Pr. 3)112
- Increase the Starting Torque (Pr. 0)113
- Limit the Maximum and Minimum Output Frequency (Pr. 1, Pr. 2)115
- Change the Acceleration/Deceleration Time (Pr. 7, Pr. 8)117
- Operation Mode Selection (Pr. 79)119
PU Operation Mode129
- Set the Set Frequency to Operate130
- Use the Digital Dial Like a Potentiometer to Perform Operation132
- Use Switches to Give the Frequency Command (Multi-Speed Setting)133
- Perform Frequency Setting by Analog Voltage Input135
- Perform Frequency Setting by Analog Current Input137
External Operation139
- Multi-Speed Setting) (Pr. 4 to Pr. 6)141
- Perform Frequency Setting by Analog Voltage Input144
  - Of Potentiometer (at 5V)147
- Perform Frequency Setting by Analog Current Input148
  - Of Potentiometer (at 20Ma)150
Parameter Overview151
Adjust the Output Torque (Current) of the Motor176
- Slip Compensation (Pr. 245 to Pr. 247)182
Limit the Output Frequency190
Set V/F Pattern194
- Load Pattern Selection (Pr. 14)196
Frequency Setting by External Terminals198
- Jog Operation (Pr. 15, Pr. 16)201
- Remote Setting Function (Pr. 59)205
Acceleration and Deceleration209
- Starting Frequency and Start-Time Hold Function212
- Acceleration and Deceleration Pattern (Pr. 29)214
Selection and Protection of a Motor216
- Applied Motor (Pr. 71, Pr. 450)222
Motor Brake and Stop Operation231
- Selection of a Regenerative Brake (Pr. 30, Pr. 70)234
- Stop Selection (Pr. 250)236
Function Assignment of External Terminals238
- Inverter Output Shutoff Signal (MRS Signal, Pr. 17)241
  - Selection Signal (RT, Pr. 155)243
- Start Signal Selection (Terminal STF, STR, STOP, Pr. 250)244
- Output Terminal Function Selection (Pr. 190, Pr. 192, Pr. 197)248
- Detection of Output Frequency (SU, FU, Pr. 41 to Pr. 43)253
- Remote Output Function (REM, Pr. 495, Pr. 496)257
Monitor Display and Monitor Output Signals259
- Monitor Display Selection of DU/PU and Terminal am (Pr. 52 Pr. 158, Pr. 170, Pr. 171, Pr. 268, Pr. 563, Pr. 564, Pr. 891)261
- Terminal am Calibration [C1 (Pr.901)]270
- Power Failure-Time Deceleration-To-Stop Function (Pr. 261)284
Operation Setting at Alarm Occurrence288
- Input/Output Phase Failure Protection Selection (Pr. 251, Pr. 872)291
- Earth (Ground) Fault Detection at Start (Pr. 249)292
Energy Saving Operation293
Motor Noise, EMI Measures, Mechanical Resonance294
- Speed Smoothing Control (Pr. 653)296
Frequency Setting by Analog Input (Terminal 2, 4)297
- Input Filter Time Constant (Pr. 74)302
  - Pr. 125, Pr. 126, Pr. 241, C2 (Pr. 902) to C7 (Pr. 905)]303
Misoperation Prevention and Parameter Setting Restriction310
- Parameter Write Selection (Pr. 77)315
- Reverse Rotation Prevention Selection (Pr. 78)317
- Extended Parameter Display (Pr. 160)318
- Password Function (Pr. 296, Pr. 297)319
Selection of Operation Mode and Operation Location322
- Operation Mode at Power on (Pr. 79, Pr. 340)334
- Start Command Source and Frequency Command Source During Communication Operation (Pr. 338, Pr. 339, Pr. 551)336
Communication Operation and Settings343
- Communication E²PROM Write Selection (Pr. 342)354
- Mitsubishi Inverter Protocol (Computer Link Communication)355
Special Operation392
- Dancer Control (Pr. 44, Pr. 45, Pr. 128 to Pr. 134)405
- Traverse Function (Pr. 592 to Pr. 597)414
Useful Functions420
- Display of the Life of the Inverter Parts (Pr. 255 to Pr. 259)421
- Maintenance Timer Alarm (Pr. 503, Pr. 504)426
- Current Average Value Monitor Signal (Pr. 555 to Pr. 557)427
- Free Parameters (Pr. 888, Pr. 889)431
Setting for the Parameter Unit and Operation Panel432
- Magnitude of Frequency Change Setting (Pr. 295)434
- Buzzer Control (Pr. 990)435
List of Alarm Display438
Causes and Corrective Actions440
Reset Method of Protective Function453
LED Display454
Check and Clear of the Fault History455
Check First When You Have Troubles457
- Motor or Machine Generates Abnormal Noise459
- Motor Generates Heat Abnormally460
- Acceleration/Deceleration Is Not Smooth461
- Speed Varies During Operation462
- Operation Mode Is Not Changed Properly463
- Motor Current Is too Large464
- Speed Does Not Accelerate465
- Unable to Write Parameter Setting466
Meters and Measuring Methods467
- Measurement of Powers468
- Measurement of Voltages and Use of PT469
- Use of CT and Transducer470
Inspection471
- Daily and Periodic Inspection472
- Display of the Life of the Inverter Parts474
- Checking the Inverter and Converter Modules475
- Cleaning476
Measurements on the Main Circuit480
- Measurement of Voltages and Currents481
  - A.1 Specifications485
  - A Appendix486
- Phase, 400V Class486

Brand	Mitsubishi Electric
Model	FR-D740 SC EC
Category	DC Drives
Language	English

Mitsubishi Electric FR-D740 SC EC User Manual

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