Siemens SINAMICS DCM Operating Instructions Manual page 221

7.5.9 Connector coding
To ensure that identical connectors are assigned correctly on the TM31, the connectors are
coded as shown in the diagram below.
Figure 7-29
The bending radii of the cables must be observed (see MOTION-CONNECT description).
SINAMICS DCM Control Module
Operating Instructions, 12/2018, A5E34888669A
Example of connector coding at the TM31
Additional system components
7.5 Terminal Module TM31
219