Note On Connecting Analog I/O Modules - Siemens SIMATIC TOP connect Manual

See also
Wiring rules (Page 22)
5.7

Note on connecting analog I/O modules

20-pin analog I/O modules
Up to 2 analog terminal modules can be connected to the 20 clamping points of a 20-pin analog
I/O module.
The alphabetically labeled clamping points of the analog terminal module are connected to the
numbered clamping points of the I/O module as shown in the table below.
The upper socket of the front plug module is the connector for terminal module 1 and the lower
socket of the front connector module is the connector for terminal module 2.
Slot allocation
1
2
40-pin analog I/O modules
Up to 4 analog terminal modules can be connected to the 40 clamping points of a 40-pin analog
I/O module. Two terminal modules can be connected to each side of the I/O module.
System cabling for S7-300
Manual, 09/2018, 70327045899
Wiring SIMATIC TOP connect to the I/O modules
5.7 Note on connecting analog I/O modules
Clamping points
I/O module Terminal module
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
①
Terminal module
Y Y
B
C
D
E
F
G
H
I
K K
A A
B
C
D
E
F
G
H
I
Z Z
②
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