Goodrive350 IP55 High-ingress Protection Series VFD Contents
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7.7.2 Interference on communication .................................................................. 263
7.7.3 Failure to stop and indicator shimmering due to motor cable coupling ......... 264
7.7.4 Leakage current and interference on RCD .................................................. 264
7.7.5 Live device chassis .................................................................................... 265
8 Maintenance and hardware fault diagnosis ................................................................ 266
8.1 What this chapter contains .................................................................................... 266
8.2 Periodical inspection ............................................................................................. 266
8.3 Cooling fan ........................................................................................................... 268
8.4 Capacitor .............................................................................................................. 269
8.4.1 Capacitor reforming .................................................................................... 269
8.4.2 Electrolytic capacitor replacement .............................................................. 270
8.5 Power cable ......................................................................................................... 270
9 Communication protocol ............................................................................................. 271
9.1 What this chapter contains .................................................................................... 271
9.2 Modbus protocol introduction ................................................................................ 271
9.3 Application of Modbus ........................................................................................... 271
9.3.1 RS485........................................................................................................ 271
9.3.2 RTU mode ................................................................................................. 274
9.4 RTU command code and communication data ...................................................... 277
9.4.1 Command code: 03H, reading N words ...................................................... 277
9.4.2 Command code: 06H, writing a word .......................................................... 278
9.4.3 Command code: 08H, diagnosis ................................................................. 279
9.4.4 Command code: 10H, continuous writing .................................................... 280
9.4.5 Data address definition ............................................................................... 280
9.4.6 Fieldbus scale ............................................................................................ 284
9.4.7 Error message response ............................................................................ 285
9.4.8 Read/Write operation example ................................................................... 286
9.5 Common communication faults ............................................................................. 291
Appendix A Expansion cards.......................................................................................... 292
A.1 Model definition .................................................................................................... 292
A.2 Dimensions and installation .................................................................................. 299
A.3 Wiring .................................................................................................................. 302
A.4 I/O expansion card function description ................................................................ 302
A.4.1 IO expansion card 1 (EC-IO501-00) ........................................................... 302
A.4.2 IO expansion card 2 (EC-IO502-00) ........................................................... 304
A.5 Programmable expansion card (EC-PC502-00) function description ..................... 306
A.6 Communication card ............................................................................................ 309
A.6.1 Bluetooth communication card (EC-TX501) and WIFI communication card
(EC-TX502) ........................................................................................................ 309
A.6.2 PROFIBUS-DP communication card (EC-TX503) ....................................... 311
A.6.3 Ethernet communication card (EC-TX504) ................................................. 312
A.6.4 CANopen communication card (EC-TX505) and CAN master/slave control
communication card (EC-TX511) ......................................................................... 313
A.6.5 PROFINET communication card (EC- TX509) ............................................ 314
A.6.6 Ethernet/IP communication card (EC-TX510) and Modbus TCP communication
card (EC-TX515) ................................................................................................. 316
A.7 PG expansion card function description ................................................................ 318
A.7.1 Sin/Cos PG card (EC-PG502) .................................................................... 318
A.7.2 UVW incremental PG card (EC-PG503-05) ................................................ 320