PID pre-charge function................................................................................................................................402

5.11.9

Multi-pump function (Advanced PID function) ..............................................................................................406

5.11.10 Automatic restart after instantaneous power failure/flying start with an induction motor .............................414

5.11.11 Automatic restart after instantaneous power failure/flying start with an IPM motor .....................................420

5.11.12 Offline auto tuning for a frequency search ...................................................................................................422

5.11.13 Power failure time deceleration-to-stop function...........................................................................................426

5.11.14 PLC function .................................................................................................................................................431

5.11.15 Trace function ...............................................................................................................................................433

5.12 (N) Operation via communication and its settings

5.12.1

Wiring and configuration of PU connector ....................................................................................................441

5.12.2

Wiring and configuration of RS-485 terminals ..............................................................................................443

5.12.3

Initial setting of operation via communication ...............................................................................................446

5.12.4

Initial settings and specifications of RS-485 communication ........................................................................449

5.12.5

Mitsubishi inverter protocol (computer link communication) .........................................................................451

5.12.6

Modbus-RTU communication specification ..................................................................................................465

5.12.7

BACnet MS/TP protocol................................................................................................................................480

5.12.8

USB device communication..........................................................................................................................493

5.12.9

Automatic connection with GOT ...................................................................................................................494

5.13 (G) Control parameters

5.13.1

Manual torque boost ....................................................................................................................................496

5.13.2

Base frequency, voltage ..............................................................................................................................497

5.13.3

Load pattern selection .................................................................................................................................499

5.13.4

Energy saving control ..................................................................................................................................500

5.13.5

Adjustable 5 points V/F ................................................................................................................................501

5.13.6

SF-PR slip amount adjustment mode ..........................................................................................................502

5.13.7

DC injection brake ........................................................................................................................................502

5.13.8

Output stop function......................................................................................................................................505

5.13.9

Stop selection ...............................................................................................................................................507

5.13.10 Regenerative brake selection and DC feeding mode ...................................................................................508

5.13.11 Regeneration avoidance function .................................................................................................................514

5.13.12 Increased magnetic excitation deceleration .................................................................................................517

5.13.13 Slip compensation .......................................................................................................................................518

5.13.14 Speed smoothing control .............................................................................................................................519

5.14 Parameter clear / all parameter clear

5.15 Copying and verifying parameters on the operation panel

5.15.1

Parameter copy ............................................................................................................................................521

5.15.2

Parameter verification...................................................................................................................................523

5.16 Copying and verifying parameters using USB memory

5.17 Checking parameters changed from their initial values (Initial value change list)

6 PROTECTIVE FUNCTIONS

6.1

Inverter fault and alarm indications

6.2

Reset method for the protective functions

6.3

Check and clear of the faults history

6.4

The list of fault displays

6.5