Protech Systems SI-W509 User Manual page 5

3.3 Mounting Support ....................................................................... 3-8
3.3.1
3.3.2
3.4 Default Settings ........................................................................ 3-10
3.5 Technical Support ..................................................................... 3-11
4 MODBUS RTU Protocol ...................................................................... 4-1
4.1 Command Format ...................................................................... 4-2
4.1.1
4.1.2
4.2 Function List ............................................................................... 4-4
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
4.3 Address Mapping ..................................................................... 4-14
Appendix A Exploded Diagrams ................................................. A-1
SI-W509 Assembly Exploded Diagram ......................................................... A-2
SI-W509 SERIES USER MANUAL
Installing DIN-Rail Mount .................................................... 3-8
Installing Wall Mount ........................................................... 3-9
READ Command ................................................................ 4-2
WRITE Command ............................................................... 4-3
Function 0x01 - Read Discrete Coils ................................. 4-5
Function 0x02 - Read Discrete Inputs ............................... 4-7
Function 0x04 - Read Temperature and Humidity Value ... 4-9
Function 0x05 - Force Coil ............................................... 4-10
Function 0x41 - Read Module Setting ............................. 4-12
Function 0x42 - Write Module Setting .............................. 4-13
Contents
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