Name: Mitsubishi Electric FR-A760-00840-NA
Brand: Mitsubishi Electric
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HEAD OFFICE:TOKYO BUILDING 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN

FR-A700

INSTRUCTION MANUAL

INVERTER

PRECAUTIONS FOR USE

OF THE INVERTER

PARAMETERS

PROTECTIVE FUNCTIONS

PRECAUTIONS FOR

MAINTENANCE AND INSPECTION

SPECIFICATIONS

OUTLINE

WIRING

FR-A760-00017 to 06630-NA

IB(NA)-0600313ENG-E (0907)MEE Printed in Japan Specifications subject to change without notice.

FR-A760-NA INVERTER INSTRUCTION MANUAL

Table of Contents4
Product Checking and Parts Identification13
Inverter and Peripheral Devices14
Peripheral Devices15
Method of Removal and Reinstallation of the16
Installation of the Inverter and Enclosure Design18
Inverter Installation Environment18
Cooling System Types for Inverter Enclosure20
Inverter Placement21
Wiring24
Wiring25
Terminal Connection Diagram25
Connection of Accessory Optional Brake Resistor26
Main Circuit Terminal Specifications28
Specification of Main Circuit Terminal28
Terminal Arrangement of the Main Circuit Terminal, Power Supply and the Motor Wiring29
Cables and Wiring Length32
When Connecting the Control Circuit and the Main Circuit Separately to the Power Supply (Separate Power)35
Control Circuit Specifications37
Control Circuit Terminals37
Changing the Control Logic40
Control Circuit Terminal Layout42
Wiring Instructions42
When Connecting the Operation Panel Using a Connection Cable43
Terminal Block44
Communication Operation44
Connection of Motor with Encoder (Vector Control)45
Connection of Stand-Alone Option Units48
Connecting an External Brake Resistor Other than Dedicated External Brake Resistor (Provided). (FR-A760-00330 or Less)48
Connection of the Brake Unit (FR-BU-C)50
Connection of the Power Factor Improving DC Reactor50
Precautions for Use of the Inverter52
Noise and Leakage Currents53
Leakage Currents and Countermeasures53
Inverter-Generated Noises and Their Reduction Techniques54
Power Supply Harmonics56
Installation of a Reactor57
Power-Off and Magnetic Contactor (MC)58
Inverter-Driven 600V Class Motor59
Precautions for Use of the Inverter60
Failsafe of the System Which Uses the Inverter62
Parameters64
Operation Panel (FR-DU07)65
Parts of the Operation Panel (FR-DU07)65
Basic Operation (Factory Setting)66
Change the Parameter Setting Value67
Setting Dial Push67
Parameter List68
Control Mode85
What Is Vector Control86
Change the Control Method (Pr. 80, Pr. 81, Pr. 451, Pr. 800)89
Speed Control by Real Sensorless Vector Control, Vector Control93
Setting Procedure of Real Sensorless Vector Control (Speed Control)95
Setting Procedure of Vector Control (Speed Control)96
Torque Limit Level Setting for Speed Control (Pr. 22, Pr. 803, Pr. 810 to Pr. 817, Pr. 858, Pr. 868, Pr. 874)97
To Perform High Accuracy/Fast Response Operation (Gain Adjustment of Real Sensorless Vector Control and Vector Control) (Pr. 818 to Pr. 821, Pr. 830, Pr. 831, Pr. 880)102
Speed Feed Forward Control, Model Adaptive Speed Control (Pr. 828, Pr. 877 to Pr. 881)109
Torque Biases (Pr. 840 to Pr. 848)111
Prevent the Motor from Overrunning (Pr. 285, Pr. 853, Pr. 873)114
Notch Filter (Pr. 862, Pr. 863)115
Torque Control by Real Sensorless Vector Control, Vector Control116
Torque Control116
Setting Procedure of Real Sensorless Vector Control (Torque Control)120
Setting Procedure of Vector Control (Torque Control)121
Torque Command (Pr. 803 to Pr. 806)122
Speed Limit (Pr. 807 to Pr. 809)124
Gain Adjustment of Torque Control (Pr. 824, Pr. 825, Pr. 834, Pr. 835)127
Position Control by Vector Control129
Position Control129
Conditional Position Feed Function by Contact Input (Pr. 419, Pr. 464 to Pr. 494)131
Position Control (Pr. 419, Pr. 428 to Pr. 430) by Inverter Pulse Train Input134
Setting of the Electronic Gear (Pr. 420, Pr. 421, Pr. 424)136
Setting of Positioning Adjustment Parameter (Pr. 426, Pr. 427)137
Gain Adjustment of Position Control (Pr. 422, Pr. 423, Pr. 425)138
Trouble Shooting for When Position Control Is Not Exercised Normally140
Adjustment of Real Sensorless Vector Control, Vector Control141
Speed Detection Filter and Torque Detection Filter (Pr. 823, Pr. 827, Pr. 833, Pr. 837)141
Excitation Ratio (Pr. 854)142
Adjust the Output Torque (Current) of the Motor143
Manual Torque Boost (Pr. 0, Pr. 46, Pr. 112)143
Advanced Magnetic Flux Vector Control (Pr. 71, Pr. 80, Pr. 81, Pr. 89, Pr. 450, Pr. 451, Pr. 453, Pr. 454, Pr. 569, Pr. 800)145
Slip Compensation (Pr. 245 to Pr. 247)148
Stall Prevention Operation149
Multiple Rating (Pr. 570)154
Limit the Output Frequency156
Maximum/Minimum Frequency (Pr. 1, Pr. 2, Pr. 18)156
Avoid Mechanical Resonance Points (Frequency Jump) (Pr. 31 to Pr. 36)157
Set V/F Pattern158
Base Frequency, Voltage (Pr. 3, Pr. 19, Pr. 47, Pr. 113)158
Load Pattern Selection (Pr. 14)160
Elevator Mode (Automatic Acceleration/Deceleration) (Pr. 61, Pr. 64, Pr. 292)162
Adjustable 5 Points V/F (Pr. 71, Pr. 100 to Pr. 109)164
Frequency Setting by External Terminals165
Multi-Speed Setting Operation (Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Pr. 232 to Pr. 239)165
Jog Operation (Pr. 15, Pr. 16)167
Input Compensation of Multi-Speed and Remote Setting (Pr. 28)169
Remote Setting Function (Pr. 59)169
Setting of Acceleration/Deceleration Time and Acceleration/Deceleration Pattern172
Setting of the Acceleration and Deceleration Time (Pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr. 44, Pr. 45, Pr. 110, Pr. 111)172
Starting Frequency and Start-Time Hold Function (Pr. 13, Pr. 571)174
Acceleration/Deceleration Pattern (Pr. 29, Pr. 140 to Pr. 143, Pr. 380 to Pr. 383, Pr. 516 to Pr. 519)175
Shortest Acceleraiton/Deceleration and Optimum Acceleration/Deceleration (Automatic Acceleration/Deceleration) (Pr. 61 to Pr. 63, Pr. 292, Pr. 293)179
Selection and Protection of a Motor182
Motor Protection from Overheat (Electronic Thermal Relay Function) (Pr. 9, Pr. 51)182
Applied Motor (Pr. 71, Pr. 450)185
Offline Auto Tuning (Pr. 71, Pr. 80 to Pr. 84, Pr. 90 to Pr. 94, Pr. 96, Pr. 450, Pr. 453 to Pr. 463, Pr. 684, Pr. 859, Pr. 860)187
Online Auto Tuning (Pr. 95, Pr. 574)197
Motor Brake and Stop Operation201
DC Injection Brake and Zero Speed Control, Servo Lock (LX Signal, X13 Signal, Pr. 10 to Pr. 12, Pr. 802, Pr. 850)201
Selection of Regenerative Brake and DC Feeding (Pr. 30, Pr. 70)205
Stop Selection (Pr. 250)210
Stop-On Contact Control Function (Pr. 6, Pr. 48, Pr. 270, Pr. 275, Pr. 276)211
Brake Sequence Function (Pr. 278 to Pr. 285, Pr. 292)214
Orientation Control (Pr. 350 to Pr. 366, Pr. 369, Pr. 393, Pr. 396 to Pr. 399)217
Function Assignment of External Terminal and Control228
Input Terminal Function Selection (Pr. 178 to Pr. 189)228
Inverter Output Shutoff Signal (MRS Signal, Pr. 17)231
Condition Selection of Function Validity by the Second Function Selection Signal (RT) and Third Function Selection Signal (X9) (RT Signal, X9 Signal, Pr. 155)232
Start Signal Operation Selection (STF, STR, STOP Signal, Pr. 250)233
Magnetic Flux Decay Output Shutoff Signal (X74 Signal)235
Output Terminal Function Selection (Pr. 190 to Pr. 196)236
Detection of Output Frequency (SU, FU, FU2 , FU3, FB, FB2, FB3, LS Signal, Pr. 41 to Pr. 43, Pr. 50, Pr. 116, Pr. 865)243
Output Current Detection Function (Y12 Signal, Y13 Signal, Pr. 150 to Pr. 153, Pr. 166, Pr. 167)245
Detection of Output Torque (TU Signal, Pr. 864)246
Remote Output Function (REM Signal, Pr. 495 to Pr. 497)247
Monitor Display and Monitor Output Signal248
Speed Display and Speed Setting (Pr. 37, Pr. 144, Pr. 505, Pr. 811)248
DU/PU, FM, am Terminal Monitor Display Selection (Pr. 52, Pr. 54, Pr. 158, Pr. 170, Pr. 171, Pr. 268, Pr. 563, Pr. 564, Pr. 891)250
Reference of the Terminal FM (Pulse Train Output) and am (Analog Voltage Output) (Pr. 55, Pr. 56, Pr. 291, Pr. 866, Pr. 867)255
Terminal FM, am Calibration (Calibration Parameter C0 (Pr. 900), C1 (Pr. 901))258
Operation Selection at Power Failure and Instantaneous Power Failure261
Automatic Restart after Instantaneous Power Failure/Flying Start (Pr. 57, Pr. 58, Pr. 162 to Pr. 165, Pr. 299, Pr. 611)261
Power Failure-Time Deceleration-To-Stop Function (Pr. 261 to Pr. 266, Pr. 294 )265
Operation Setting at Alarm Occurrence268
Retry Function (Pr. 65, Pr. 67 to Pr. 69)268
Fault Code Output Selection (Pr. 76)270
Input/Output Phase Loss Protection Selection (Pr. 251, Pr. 872)271
Overspeed Detection (Pr. 374)271
Encoder Signal Loss Detection (Pr. 376)271
Fault Definition (Pr. 875)272
Energy Saving Operation and Energy Saving Monitor273
Energy Saving Control (Pr. 60)273
Energy Saving Monitor (Pr. 891 to Pr. 899)274
Motor Noise, Noise Reduction279
PWM Carrier Frequency and Soft-PWM Control (Pr. 72, Pr. 240, Pr. 260)279
Frequency/Torque Setting by Analog Input (Terminal 1, 2, 4)281
Function Assignment of Analog Input Terminal (Pr. 858, Pr. 868)281
Analog Input Selection (Pr. 73, Pr. 267)282
Analog Input Compensation (Pr. 73, Pr. 242, Pr. 243, Pr. 252, Pr. 253)286
Response Level of Analog Input and Noise Elimination (Pr. 74, Pr. 822, Pr. 826, Pr. 832, Pr. 836, Pr. 849)288
Bias and Gain of Frequency Setting Voltage (Current) (Pr. 125, Pr. 126, Pr. 241, C2(Pr. 902) to C7(Pr. 905), C12(Pr. 917) to C15(Pr. 918))290
Bias and Gain of Torque (Magnetic Flux) Setting Voltage (Current)296
(Pr. 241, C16(Pr. 919) to C19(Pr. 920), C38 (Pr. 932) to C41 (Pr. 933))296
4Ma Input Check of Current Input (Pr. 573)301
Misoperation Prevention and Parameter Setting Restriction303
Reset Selection/Disconnected PU Detection/Pu Stop Selection (Pr. 75)303
Parameter Write Selection (Pr. 77)306
Reverse Rotation Prevention Selection (Pr. 78)307
Display of Applied Parameters and User Group Function (Pr. 160, Pr. 172 to Pr. 174)307
Selection of Operation Mode and Operation Location309
Operation Mode Selection (Pr. 79)309
Operation Mode at Power on (Pr. 79, Pr. 340)317
Start Command Source and Freqency Command Source During Communication Operation (Pr. 338, Pr. 339, Pr. 550, Pr. 551)318
Communication Operation and Setting323
Wiring and Configuration of PU Connector323
Wiring and Arrangement of RS-485 Terminals325
Initial Settings and Specifications of RS-485 Communication328
(Pr. 117 to Pr. 124, Pr. 331 to Pr. 337, Pr. 341, Pr. 549)328
Initial Settings and Specifications of RS-485 Communication (Pr. 117 to Pr. 124, Pr. 331 to Pr. 337, Pr. 341, Pr. 549)328
Communication EEPROM Write Selection (Pr. 342)329
Mitsubishi Inverter Protocol (Computer Link Communication)330
Modbus-RTU Communication Specifications (Pr. 331, Pr. 332, Pr. 334, Pr. 343, Pr. 539, Pr. 549)342
Operation by PLC Function (Pr. 414 to Pr. 417, Pr. 498, Pr. 506 to Pr. 515)355
USB Communication (Pr. 547, Pr. 548)356
Special Operation and Frequency Control357
PID Control (Pr. 127 to Pr. 134, Pr. 575 to Pr. 577)357
Bypass-Inverter Switchover Function (Pr. 57, Pr. 58, Pr. 135 to Pr. 139, Pr. 159)365
Load Torque High Speed Frequency Control (Pr. 4, Pr. 5, Pr. 270 to Pr. 274)370
Droop Control (Pr. 286 to Pr. 288)372
Frequency Setting by Pulse Train Input (Pr. 291, Pr. 384 to Pr. 386)374
Encoder Feedback Control (Pr. 144, Pr. 285, Pr. 359, Pr. 367 to Pr. 369)377
Regeneration Avoidance Function (Pr. 665, Pr. 882 to Pr. 886)379
Useful Functions381
Cooling Fan Operation Selection (Pr. 244)381
Display of the Life of the Inverter Parts (Pr. 255 to Pr. 259)382
Maintenance Timer Alarm (Pr. 503, Pr. 504)385
Current Average Value Monitor Signal (Pr. 555 to Pr. 557)386
Free Parameter (Pr. 888, Pr. 889)388
Setting of the Parameter Unit and Operation Panel389
PU Display Language Selection (Pr. 145)389
Operation Panel Frequency Setting/Key Lock Operation Selection (Pr. 161)389
Buzzer Control (Pr. 990)391
PU Contrast Adjustment (Pr. 991)391
Parameter Clear392
All Parameter Clear393
Parameter Copy and Parameter Verification394
Parameter Copy394
Parameter Verification395
Check and Clear of the Faults History396
Protective Functions398
Reset Method of Protective Function399
List of Fault or Alarm Display400
Causes and Corrective Actions401
Correspondences between Digital and Actual Characters415
Characters415
Check First When You Have Troubles416
Motor will Not Start416
Motor Generates Abnormal Noise416
Motor Generates Heat Abnormally417
Motor Rotates in Opposite Direction417
Speed Greatly Differs from the Setting417
Acceleration/Deceleration Is Not Smooth417
Motor Current Is Large417
Speed Does Not Increase417
Speed Varies During Operation418
Operation Mode Is Not Changed Properly418
Operation Panel (FR-DU07) Display Is Not Operating418
POWER Lamp Is Not Lit418
Parameter Write Cannot be Performed418
Precautions for Maintenance and Inspection420
Inspection Item421
Daily Inspection421
Periodic Inspection421
Daily and Periodic Inspection422
Display of the Life of the Inverter Parts423
Checking the Inverter and Converter Modules423
Cleaning424
Replacement of Parts424
Inverter Replacement428
Measurement of Main Circuit Voltages, Currents and Powers429
Measurement of Powers431
Measurement of Voltages and Use of PT431
Measurement of Currents432
Use of CT and Transducer432
Measurement of Inverter Input Power Factor432
Measurement of Converter Output Voltage (Across Terminals P/+ - N/-)433
Measurement of Inverter Output Frequency433
Insulation Resistance Test Using Megger433
Pressure Test433
Specifications434
Rating435
Inverter Rating435
Common Specifications436
Outline Dimension Drawings437
Inverter Outline Dimension Drawings437
Appendices444
Appendix 1 for Customers Who Have Replaced the Older Model with this Inverter445
Appendix 1-1 Replacement of the FR-A500 Series445
Appendix 2 Control Mode-Based Parameter (Function) Correspondence Table and Instruction Code List447

Mitsubishi Electric FR-A760-00840-NA User Manual

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Brand	Mitsubishi Electric
Model	FR-A760-00840-NA
Category	Inverter
Language	English