Autonics SPR3 Series - Table of Contents

Table of Contents
© Copyright Reserved Autonics Co., Ltd. ix
Table of Contents
Preface .................................................................................................................................... iii
User Manual Guide ................................................................................................................. iv
Communication Protocol ......................................................................................................... v
User Manual Symbols ............................................................................................................. vi
Safety Considerations ............................................................................................................ vii
Table of Contents..................................................................................................................... ix
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 register (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 .................................................................................. 19
2.2 Read input status ........................................................................................................... 19
2.3 Read input registers ...................................................................................................... 20
2.3.1 SPR1 Series ............................................................................................... 20
2.3.2 SPR3 Series ............................................................................................... 22
2.4 Read holding registers (Func 03) / Preset single register (Func 06) /
Preset multiple registers (Func 16) ............................................................................... 24
2.4.1 Parameter 1 group ..................................................................................... 24
2.4.2 Parameter 2 group ..................................................................................... 24
2.4.3 Communication control input...................................................................... 25