Pin Assignments And Terminal Connection Diagram - Siemens Simatic M7-400 Reference Manual

Interface Submodules
13.7.1

Pin Assignments and Terminal Connection Diagram

X1 Socket
There is a 25-pin sub D socket connector on the frontside of the submodule for
plugging in the connecting cable.
Figure 13-10 shows the assignments for the X1 socket and the terminal
connection diagram of the submodule.
13 M
L2+ 25
12 S
1
QI 24
1
11 QV
1
QI 23
0
10 QV
0
M 22
3-
9 S
0
MI 21
3+
8 MV
M 20
2-
7 NC
MI 19
2+
6 MV
M 18
1-
5 NC
MI 17
1+
4 MV
M 16
0-
3 NC
MI 15
0+
2 MV
L1+ 14
1 L+
Figure 13-10 X1 Socket Assignments (25-Pin Sub D Connector) and Terminal Connection Diagram of the
IF 961-AIO
Note
Use only shielded cables for connecting the inputs and outputs.
13-34
Pinout diagram voltage measurement
1 L +
MV
2
M
16
15
MV
4
M
18
17
MV
6
M
20
19
MV
8
3+
M
22
21
2+
1+
Pinout diagram voltage output
0+
R
L
V
QV
10
9 S
23 Ground bar
R
of the PLC
L
11 V
QV
12
S
24
13 M
S7-400, M7-400 Programmable Controllers Module Specifications
Pinout diagram current
measurement
1 L +
2
0+
CH 0
0- 16
15
4
1+
CH 1
18
1-
17
6
2+
CH2
20
2-
19
8
3+
CH 3
22
3-
21
Pinout diagram current output
10
0
CH 0
9
0
R
L
23 A
11
1
Ground bar
CH1
12
of the PLC
1
R
L
A
24
13 M
M
0-
CH 0
MI
0+
M
1-
CH 1
MI
1+
M
2-
CH 2
MI
2+
M
3-
CH 3
MI
3+
QI
CH 0
0
QI
1 CH1
A5E00069467-07