82
4.21.3 Analog input compensation (Pr. 73, Pr. 242, Pr. 243, Pr. 252, Pr. 253) ................................................... 278
4.21.4 Response level of analog input and noise elimination
(Pr. 74, Pr. 822, Pr. 826, Pr. 832, Pr. 836, Pr. 849) .................................................................................. 280
4.21.5 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))............................. 282
4.21.6 Bias and gain of torque (magnetic flux) setting voltage (current)
(Pr. 241, C16(Pr. 919) to C19(Pr. 920), C38 (Pr. 932) to C41 (Pr. 933)) ................................................ 288
4.21.7 4mA input check of current input (Pr. 573)................................................................................................ 293
4.22 Misoperation prevention and parameter setting restriction
295
4.22.1 Reset selection/disconnected PU detection/PU stop selection (Pr. 75).................................................... 295
4.22.2 Parameter write selection (Pr. 77)............................................................................................................. 298
4.22.3 Reverse rotation prevention selection (Pr. 78).......................................................................................... 299
4.22.4 Display of applied parameters and user group function (Pr. 160, Pr. 172 to Pr. 174)............................... 299
4.23 Selection of operation mode and operation location
301
4.23.1 Operation mode selection (Pr. 79) ............................................................................................................ 301
4.23.2 Operation mode at power on (Pr. 79, Pr. 340) .......................................................................................... 309
4.23.3 Operation command source and speed command source during
communication operation (Pr. 338, Pr. 339, Pr. 550, Pr. 551) .................................................................. 310
4.24 Communication operation and setting
315
4.24.1 Wiring and configuration of PU connector................................................................................................. 315
4.24.2 Wiring and arrangement of RS-485 terminals........................................................................................... 317
4.24.3 Initial settings and specifications of RS-485 communication
(Pr. 117 to Pr. 124, Pr. 331 to Pr. 337, Pr. 341, Pr. 549) .......................................................................... 320
4.24.4 Communication EEPROM write selection (Pr. 342).................................................................................. 321
4.24.5 Mitsubishi inverter protocol (computer link communication) ..................................................................... 322
4.24.6 Modbus-RTU communication specifications (Pr. 331, Pr. 332, Pr. 334, Pr. 343,
Pr. 539, Pr. 549)........................................................................................................................................ 333
4.24.7 Operation by PLC function (Pr. 414 to Pr. 417, Pr. 498, Pr. 506 to Pr. 515)............................................. 346
4.24.8 USB communication (Pr. 547, Pr. 548) ..................................................................................................... 347
4.25 Special operation and frequency control
348
4.25.1 PID control (Pr. 127 to Pr. 134, Pr. 575 to Pr. 577)................................................................................... 348
4.25.2 Bypass-inverter switchover function (Pr. 57, Pr. 58, Pr. 135 to Pr. 139, Pr. 159) ..................................... 356
4.25.3 Load torque high speed frequency control (Pr. 4, Pr. 5, Pr. 270 to Pr. 274) ............................................. 361
4.25.4 Droop control (Pr. 286 to Pr. 288) .......................................................................................................... 363
4.25.5 Frequency setting by pulse train input (Pr. 291, Pr. 384 to Pr. 386) ......................................................... 365
4.25.6 Encoder feedback control (Pr. 144, Pr. 285, Pr. 359, Pr. 367 to Pr. 369) ................................................ 367
4.25.7 Traverse function (Pr. 592 to Pr. 597)....................................................................................................... 369
4.25.8 Regeneration avoidance function (Pr. 665, Pr. 882 to Pr. 886) ................................................................ 371
4.26 Useful functions
373
4.26.1 Cooling fan operation selection (Pr. 244).................................................................................................. 373
4.26.2 Display of the life of the inverter parts (Pr. 255 to Pr. 259) ....................................................................... 374
4.26.3 Maintenance timer alarm (Pr. 503, Pr. 504) .............................................................................................. 377
4.26.4 Current average value monitor signal (Pr. 555 to Pr. 557)........................................................................ 378
4.26.5 Free parameter (Pr. 888, Pr. 889)............................................................................................................. 380
4.27 Setting of the parameter unit and operation panel
381
4.27.1 PU display language selection (Pr. 145) ................................................................................................... 381
4.27.2 Operation panel frequency setting/key lock operation selection (Pr. 161) ................................................ 381
4.27.3 Buzzer control (Pr. 990) ............................................................................................................................ 383
4.27.4 PU contrast adjustment (Pr. 991).............................................................................................................. 383
4.28 Parameter clear
384
4.29 All parameter clear
385
4.30 Parameter copy and parameter verification
386
4.30.1 Parameter copy......................................................................................................................................... 386
4.30.2 Parameter verification ............................................................................................................................... 387
4.31 Check and clear of the alarm history
388
Summary of Contents for FR-A740-00023-EC
Page 58: ...48 MEMO...
Page 70: ...60 MEMO...
Page 400: ...390 MEMO...
Page 450: ...440 MEMO...
Page 473: ...463 MEMO...