IMO SD1 Series - Page 4

SD1 Series Inverters Contents
-iii-
6.2.3 Inverter faults and solutions .............................................................................. 107
6.2.4 Other states ...................................................................................................... 114
Chapter 7 Communication Protocol .................................................................................. 115
7.1 Modbus Protocol Introduction .................................................................................... 115
7.2 Application ................................................................................................................. 115
7.2.1 Two-wire rs485.................................................................................................. 115
7.2.2 Rtu mode .......................................................................................................... 118
7.2.3 Ascii mode......................................................................................................... 121
7.3 Command Code and Communication Data ............................................................... 122
7.3.1 Rtu mode .......................................................................................................... 122
7.3.2 Ascii mode......................................................................................................... 126
7.4 Data Address Definition ............................................................................................. 129
7.4.1 Function code address format rules ................................................................. 129
7.4.2 Description of other function addresses in modbus .......................................... 130
7.4.3 Fieldbus scale ................................................................................................... 134
7.4.4 Error message response .................................................................................. 135
7.5 Read/Write Operation Example ................................................................................. 137
7.5.1 Example of reading command 03h ................................................................... 137
7.5.2 Example of write command 06h ....................................................................... 137
7.5.3 Examples of continuously writing command 10h .............................................. 139
7.6 Common Communication Faults ............................................................................... 141
Appendix A Technical Data ................................................................................................. 142
A.1 Ratings ...................................................................................................................... 142
A.1.1 capacity ............................................................................................................ 142
A.1.2 derating............................................................................................................. 142
A.2 CE ............................................................................................................................. 143
A.2.1 ce marking ........................................................................................................ 143
A.2.2 compliance with the european emc directive ................................................... 143
A.3 EMC Regulations ...................................................................................................... 143
A.3.1 inverters of category c2 .................................................................................... 143
A.3.2 inverters of category c3 .................................................................................... 144
Appendix B Dimension Drawings ...................................................................................... 145
B.1 External Keypad Structure ........................................................................................ 145
B.2 Inverter Chart ............................................................................................................ 146
Appendix C Optional Peripheral Accessories .................................................................. 151
C.1 Wiring of Peripheral Accessories .............................................................................. 151
C.2 Power Supply ............................................................................................................ 152
C.3 Cables ....................................................................................................................... 152
C.3.1 power cables .................................................................................................... 152
C.3.2 control cables ................................................................................................... 153
C.4 Breaker and Electromagnetic Contactor ................................................................... 154