Siemens i-3 User Manual page 26

Appendix C
Modbus Coils, Discrete Inputs, Input Registers & Holding Registers Address Tables
Discrete inputs
Modbus
Function code Base 0 address
2 (Read Only) 0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34 - 63
(*) Indicates only available in hardware version lower than 3 Ref: Holding Register 119).
(†) Indicates that the Analog Compare Register determines the status.
24
Modbus Value
5 digit address (Read/Only)
10001 0 / 1
10002 0 / 1
10003 0 / 1
10004 0 / 1
10005 0 / 1
10006 0 / 1
10007 0 / 1
10008 0 / 1
10009 0 / 1
10010 0 / 1
10011 0 / 1
10012 0 / 1
10013 0 / 1
10014 0 / 1
10015 0 / 1
10016 0 / 1
10017 0 / 1
10018 0 / 1
10019 0 / 1
10020 0 / 1
10021 0 / 1
10022 0 / 1
10023 0 / 1
10024 0 / 1
10025 0 / 1
10026 0 / 1
10027 0 / 1
10028 0 / 1
10029 0 / 1
10030 0 / 1
10031 0 / 1
10032 0 / 1
10033 0 / 1
10034 0 / 1
...
Description
Digital Input 1 Off (0)/On (1)
Digital Input 2 Off (0)/On (1)
Digital Input 3 Off (0)/On (1)
Digital Input 4 Off (0)/On (1)
Digital Input 5 Off (0)/On (1)
Digital Input 6 Off (0)/On (1)
Digital Input 7 Off (0)/On (1)
Digital Input 8 Off (0)/On (1)
Digital Input 9 Off (0)/On (1)
Digital Input 10 Off (0)/On (1)
Digital Input 11 Off (0)/On (1)
Digital Input 12 Off (0)/On (1)
Digital Input 13 Off (0)/On (1)
Digital Input 14 Off (0)/On (1)
Digital Input 15 Off (0)/On (1)
Digital Input 16 Off (0)/On (1)
Digital Input 17 Off (0)/On (1)
Digital Input 18 Off (0)/On (1)
Digital Input 19 Off (0)/On (1)
Digital Input 20 Off (0)/On (1)
Digital Input 21 Off (0)/On (1)*
Digital Input 22 Off (0)/On (1)*
Digital Input 23 Off (0)/On (1)*
Digital Input 24 Off (0)/On (1)*
Digital Input 25 Off (0)/On (1)*
Digital Input 26 Off (0)/On (1)*
Digital Input 27 Off (0)/On (1)*
Digital Input 28 Off (0)/On (1)*
Digital Input 29 Off (0)/On (1)*
Digital Input 30 Off (0)/On (1)*
Digital Input 31 Off (0)/On (1)*
Digital Input 32 Off (0)/On (1)*
Analog Input 1 Off (0)/On (1)†
Analog Input 2 Off (0)/On (1)†
Reserved