Table of Contents
© Copyright Reserved Autonics Co., Ltd. IX
Table of Contents
Preface ................................................................................................................................. 3
User Manual Guide ............................................................................................................... 4
Communication Protocol ....................................................................................................... 5
User Manual Symbols ........................................................................................................... 6
Safety Precautions ................................................................................................................ 7
Table of Contents .................................................................................................................. 9
1 Modbus RTU Protocol .............................................................................. 11
1.1 Read coil status(Func 01–01H) ............................................................................... 11
1.2 Read input status(Func 02–02H) ............................................................................ 12
1.3 Read holding registers(Func 03–03H) .................................................................... 13
1.4 Read input registers(Func 04–04H) ........................................................................ 14
1.5 Force single coil (Func 05–05H) ............................................................................. 15
1.6 Preset single registers(Func 06–06H) .................................................................... 16
1.7 Preset multiple registers(Func 16–10H) ................................................................. 17
1.8 Exception response-error code ............................................................................... 18
2 Modbus Mapping Table ............................................................................ 19
2.1 Read coil status/force single coil (Func: 01/05, RW: R/W) ................................... 19
2.2 Read input status (Func: 02, RW: R) ...................................................................... 20
2.3 Read input register (Func: 04, RW: R) .................................................................... 21
2.4 Read input register (Func: 04, RW: R) .................................................................... 22
2.5 Read holding register(Func 03)/preset single register(Func 06)/
preset multiple registers(Func 16) ......................................................................... 24
2.5.1 Monitoring group[Func : 03/06/16, RW : R/W] ........................................... 24
2.5.2 Control operation group(Func : 03/06/16, RW : R/W) ................................ 25
2.5.3 Control operation group(Func: 03/06/16, RW: R/W) .................................. 26
2.5.4 Initial setting group(Func: 03/06/16, RW: R/W) ......................................... 28
2.5.5 Control setting group(Func: 03/06/16, RW: R/W) ...................................... 29
2.5.6 Communication setting group(Func: 03/06/16, RW: R/W) ......................... 30
2.5.7 Alarm setting group (Func: 03/06/16, RW: R/W) ....................................... 31
2.5.8 Digital iput setting group (Func: 03/06/16, RW: R/W) ................................ 35
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