Interface module
7.3 Interface module SB61
SIMATIC TDC hardware
System Manual, 08/2017, A5E01114865-AL
195
7.3.4
Pin assignment
Flat connector X1
Use cable SC62 and SC66 to connect the interface module to the SIMATIC TDC
components (for further information, refer to the documentation for the SIMATIC TDC
components).
Digital inputs, terminal block X2
Table 7- 4
Pin assignment of the digital inputs of interface module SB61
Terminal
Inputs, electrically isolated
Inputs with common
reference potential
Channel No.
1
2
3
4
5
6
7
8
+24 V input
+24 V input
+24 V input
+24 V input
+24 V input
+24 V input
+24 V input
+24 V input
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
11
12
13
14
15
16
17
18
+48 V input
+48 V input
+48 V input
+48 V input
+48 V input
+48 V input
+48 V input
+48 V input
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
51
52
53
54
55
56
57
58
Input 24 V/48 V
Input 24 V/48 V
Input 24 V/48 V
Input 24 V/48 V
Input 24 V/48 V
Input 24 V/48 V
Input 24 V/48 V
Input 24 V/48 V
2P(+24 V)
2P(+24 V)
2P(+24 V)
2P(+24 V)
2P(+24 V)
2P(+24 V)
2P(+24 V)
2P(+24 V)
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
Conductor cross-section
The minimum conductor cross-section for the terminal block X1 is 0.2mm² and the maximum
is 2.5 mm².
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