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.
