Input Status Registers (Digital Inputs)
Register Name Address
Modicon
Address
Details
Digital Input 1 state
0 10001
0 = Input open circuit (no wire link present)
1 = Input closed circuit (wire link present)
Digital Input 2 state
1 10002
Digital Input 3 state
2 10003
Digital Input 4 state
3 10004
Input IN01 state 4 10005
Input IN02 state 5 10006
Input IN03 state 6 10007
Input IN04 state 7 10008
Input Status Registers can be read using function code 2.
Input Registers (Analogue Inputs)
Register Name Address
Modicon
Address
Details
Firmware Version 0 30001 e.g. value 10002 = firmware version 1.0.2
Input Registers can be read using function code 4.
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