TECHTOP TD350 Product Manual page 4

TD350 Series VFD
7.2 Indications of alarms and faults .................................................................................... 239
7.3 Fault reset .................................................................................................................... 239
7.4 Fault history ................................................................................................................. 239
7.5 VFD faults and solutions ............................................................................................... 239
7.6 Analysis on common faults ........................................................................................... 248
7.7 Countermeasures on common interference .................................................................. 255
Chapter 8 Maintenance and hardware fault diagnosis ............................................................. 259
8.1 What this chapter contains ........................................................................................... 259
8.2 Periodical inspection .................................................................................................... 259
8.3 Cooling fan ................................................................................................................... 261
8.4 Capacitor ..................................................................................................................... 262
8.5 Power cable ................................................................................................................. 264
Chapter 9 Communication protocol .......................................................................................... 265
9.1 What this chapter contains ........................................................................................... 265
9.2 Modbus protocol introduction ........................................................................................ 265
9.3 Application of Modbus .................................................................................................. 265
9.4 RTU command code and communication data .............................................................. 271
9.5 Common communication faults ..................................................................................... 287
Appendix A Extension cards ..................................................................................................... 288
A.1 Model definition ............................................................................................................ 288
A.2 Dimensions and installation .......................................................................................... 295
A.3 Wiring .......................................................................................................................... 298
A.4 IO extension card (EC-IO501-00) function description .................................................. 298
A.5 Programmable extension card (EC-PC502-00) function description .............................. 300
A.6 Communication card function description ..................................................................... 303
A.7 PG extension card function description ........................................................................ 313
Appendix B Technical data ........................................................................................................ 330
B.1 What this chapter contains ........................................................................................... 330
B.2 Derated application ...................................................................................................... 330
B.3 Grid specifications........................................................................................................ 332
B.4 Motor connection data.................................................................................................. 332
B.5 Application standards ................................................................................................... 332
B.6 EMC regulations .......................................................................................................... 333
Appendix C Dimension drawings .............................................................................................. 335
C.1 What this chapter contains ........................................................................................... 335
C.2 Keypad structure ......................................................................................................... 335
C.3 VFD structure .............................................................................................................. 336
C.4 Dimensions of VFDs of AC 3PH 200V-240V and 380V-480V ...................................... 336
C.5 Dimensions of VFDs of AC 3PH 520V-600V ................................................................ 342
Appendix D Optional peripheral accessories ........................................................................... 344
D.1 What this chapter contains ........................................................................................... 344
iii
Contents