Interface module
7.4 Interface module SB70
SIMATIC TDC hardware
202 System Manual, 08/2017, A5E01114865-AL
Pin assignment
Flat connector X1
Use the SC62 cable to connect the interface module to the SIMATIC TDC components (for
more information, refer to the SIMATIC TDC documentation).
Digital inputs, terminal block X2
Table 7- 5 Pin assignment of the digital inputs of interface module SB70, terminal block X2
11
21
31
41
51
61
71
Center contact
Center contact
Center contact
Center contact
Center contact
Center contact
Center contact
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
12
22
32
42
52
62
72
NC contact
NC contact
NC contact
NC contact
NC contact
NC contact
NC contact
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
14
24
34
44
54
64
74
84
NO contact
NO contact
NO contact
NO contact
NO contact
NO contact
NO contact
NO contact
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
The minimum conductor cross-section for the terminal block X1 is 0.2mm² and the maximum
is 2.5 mm².
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