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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
Conductor cross-section
The minimum conductor cross-section for the terminal block X1 is 0.2mm² and the maximum
is 2.5 mm².
SIMATIC TDC hardware
System Manual, 12/2013, A5E01114865-07
Pin assignment of the digital inputs of interface module SB61
Terminal
Inputs, electrically isolated
1
+24 V input
2
+24 V input
3
+24 V input
4
+24 V input
5
+24 V input
6
+24 V input
7
+24 V input
8
+24 V input
11
+48 V input
12
+48 V input
13
+48 V input
14
+48 V input
15
+48 V input
16
+48 V input
17
+48 V input
18
+48 V input
51
Input 24 V/48 V
52
Input 24 V/48 V
53
Input 24 V/48 V
54
Input 24 V/48 V
55
Input 24 V/48 V
56
Input 24 V/48 V
57
Input 24 V/48 V
58
Input 24 V/48 V
7.3 Interface module SB61
Inputs with common
reference potential
2P(+24 V)
2P(+24 V)
2P(+24 V)
2P(+24 V)
2P(+24 V)
2P(+24 V)
2P(+24 V)
2P(+24 V)
Interface module
Channel No.
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
175
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