Table of Contents
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Table of Contents
Preface .............................................................................................................................iii
User Manual Guide ......................................................................................................... iv
Communication Protocol .................................................................................................. v
Table of Contents ............................................................................................................ vi
1Modbus RTU Protocol.................................................................................7
1.1 Read Coil Status(Func01–01H)........................................................................... 7
1.2 Read Input Status(Func02–02H).........................................................................8
1.3 Read Holding Registers(Func03–03H) ...............................................................9
1.4 Read Input Registers(Func04–04H)..................................................................10
1.5 Preset Single Registers(Func06–06H).............................................................. 11
1.6 Preset Multiple Registers(Func16–10H) ........................................................... 12
1.7 Exception Response-Error Code....................................................................... 13
2Modbus Mapping Table.............................................................................15
2.1 Read Coils(Func01) / Write Single Coil (Func05) .............................................15
2.2 Read Discrete Inputs(Func02)...........................................................................15
2.3 Read Input Registers(Func04) .......................................................................... 16
2.4 Read Holding Register(Func03) / Write Single Register(Func06) / Write
Multiple Registers(Func16). ...........................................................................................18
2.4.1 Parameter 0 Setting Group[Func: 03/06/16, RW: R/W] ............................. 18
2.4.2 Parameter 1 Setting Group [Func: 03/06/16, RW: R/W] ............................ 18
2.4.3 Parameter 2 Setting Group [Func: 03/06/16, RW: R/W] ............................ 19
2.4.4 Parameter 3 Setting Group [Func: 03/06/16, RW: R/W] ............................ 20
2.4.5 Parameter 4 Setting Group [Func: 03/06/16, RW: R/W] ............................ 21
2.4.6 Parameter 5 Setting Group [Func: 03/06/16, RW: R/W] ............................ 22
