INVT Goodrive300-21 Series Operation Manual page 4

Goodrive300-21 integrated machine for air compressor
B.1.2 Electrical wiring ....................................................................................................... 81
B.1.3 Fuse pedestal installation ........................................................................................ 82
B.1.4 Dimension of contactor component ......................................................................... 83
B.2 IoT module ....................................................................................................................... 84
B.2.1 Product overview .................................................................................................... 84
B.2.2 Specifications ......................................................................................................... 88
B.2.3 Operation guide ...................................................................................................... 89
B.2.4 Ordering information ............................................................................................... 89
B.3 Drip-proof top cover .......................................................................................................... 89
B.3.1 Installation of drip-proof top cover ........................................................................... 90
B.4 Floor installation pedestal ................................................................................................. 91
B.4.1 Package list ............................................................................................................ 91
B.4.2 Installation diagram of the pedestal ......................................................................... 91
B.4.3 Installation diagram of optional pedestal .................................................................. 92
B.4.4 Floor wiring process ................................................................................................ 93
B.5 TC070A touch screen ....................................................................................................... 93
B.5.1 Product specifications ............................................................................................. 93
B.5.2 Connection terminals .............................................................................................. 95
B.5.3 Wiring description ................................................................................................... 96
B.5.4 Cable description .................................................................................................... 97
B.5.5 Installation dimensions and description ................................................................... 98
Appendix C Communication protocol ...................................................................................... 100
C.1 Application of Modbus..................................................................................................... 100
C.1.1 RS485 .................................................................................................................. 100
C.2 RTU command codes and communication data .............................................................. 100
C.2.1 Command code 03H, reading N words (continuously up to 16 words) ................... 100
C.2.2 Command code 06H, writing a word ..................................................................... 100
C.2.3 Command code 08H, diagnosis ............................................................................ 101
C.2.4 Command code 10H, continuous writing ............................................................... 101
C.2.5 Data address definition ......................................................................................... 101
C.2.6 Error messages .................................................................................................... 105
Appendix D Common EMC problems and solution .................................................................. 107
D.1 Interference problems of meter switch and sensors......................................................... 107
D.2 Interference on RS485 communication ........................................................................... 107
D.3 Failure to stop and indicator shimmering due to motor cable coupling ............................. 108
D.4 Leakage current and interference on RCD ...................................................................... 109
D.5 Live device chassis ......................................................................................................... 110
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