Signal modules
5.1 SM500 signal module
SIMATIC TDC hardware
112 System Manual, 08/2017, A5E01114865-AL
Connector X3 with cable SC63
The assignment of the screw terminals at interface module SU13 corresponds to the
connector assignment of X3.
Table 5- 7 Pin assignment of X3
2 Digital output 2 2 27 Digital input 2 27
21 Absolute encoder 1, data D+ 21 46 Absolute encoder 2, data D+ 46
Absolute encoder 1, data D-
Absolute encoder 2, data D-
Absolute encoder 1, clock C+
Absolute encoder 2, clock C+
Absolute encoder 1, clock C-
Absolute encoder 2, clock C-
Connector X3 with cable SC62
Only specific signal types are available at the cable ends of SC62 which can only be used for
the matching interface modules (refer to "Connection options (Page 106)").