TEC TECDrive20-EU Series - Page 4

TECDrive20-EU Series Inverter Contents
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6.2.3 Inverter faults and solutions .............................................................................. 107
6.2.4 Other states ...................................................................................................... 113
Chapter 7 Communication protocol .................................................................................. 114
7.1 Modbus protocol introduction .................................................................................... 114
7.2 Application ................................................................................................................. 114
7.2.1 Two-wire RS485................................................................................................ 114
7.2.2 RTU mode ......................................................................................................... 117
7.2.3 ASCII mode ....................................................................................................... 120
7.3 RTU command code and communication data ......................................................... 121
7.3.1 RTU mode ......................................................................................................... 121
7.3.2 ASCII mode ....................................................................................................... 125
7.4 Data address definition .............................................................................................. 128
7.4.1 Function code address format rules ................................................................. 128
7.4.2 Description of other function addresses in Modbus .......................................... 129
7.4.3 Fieldbus scale ................................................................................................... 132
7.4.4 Error message response .................................................................................. 133
7.5 Read/Write operation example .................................................................................. 135
7.5.1 Examples of reading command 03H................................................................. 135
7.5.2 Examples of write command 06H ..................................................................... 136
7.5.3 Examples of continously writing command 10H ............................................... 138
7.6 Common communication faults ................................................................................. 140
Appendix A Technical data ................................................................................................. 141
A.1 Derated application ................................................................................................... 141
A.1.1 Capacity............................................................................................................ 141
A.1.2 Derating ............................................................................................................ 141
A.2 CE ............................................................................................................................. 142
A.2.1 CE marking ....................................................................................................... 142
A.2.2 Compliance with the European EMC Directive ................................................ 142
A.3 EMC regulations ........................................................................................................ 142
A.3.1 Inverters of category C2 ................................................................................... 142
A.3.2 Inverters of category C3 ................................................................................... 143
Appendix B Dimension drawings ...................................................................................... 144
B.1 External keypad structure ......................................................................................... 144
B.2 Inverter chart ............................................................................................................. 145
Appendix C Optional peripheral accessories ................................................................... 150
C.1 Wiring of peripheral accessories ............................................................................... 150
C.2 Power supply ............................................................................................................ 151
C.3 Cables ....................................................................................................................... 152
C.3.1 Power cables .................................................................................................... 152
C.3.2 Control cables .................................................................................................. 152
C.4 Breaker and electromagnetic contactor .................................................................... 153