Siemens M7-400 Benutzerhandbuch
Interface Submodules
13-24
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
13.6.1
Pin Assignments
X1 Socket
There is a 25-pin sub D socket connector on the frontside of the submodule for
plugging in the connecting cable.
plugging in the connecting cable.
Figure 13-6 shows the pin assignments of the submodule.
13
5M
12
5L+
11
DO0
10
DO1
9
DO2
8
DO3
7
6M
6
6L+
5
DO4
4
DO5
3
DO6
2
DO7
1
NC
DI7
25
DI6
24
4M
23
DI5
22
DI4
21
3M
20
DI3
19
DI2
18
2M
17
DI1
16
DI0
15
1M
14
Figure 13-6
X1 Socket Assignments, IF 961-DIO (25-Pin Sub D Connector)