Siemens SINAMICS S120 Manual page 332

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8.4 G20, CBC10 Communication Board
Note
Detailed and comprehensive instructions and information for the CBC10 Communication
Board can be found in the accompanying operating instructions, These operating instructions
are available as additional documentation on the customer DVD provided.
Interface overview
Figure 8-2
X451 CAN bus interface
CAN bus interface -X451 features the following socket assignments:
Table 8- 1
Type: 9-pin sub D socket
332
CAN CBC10 Communication Board, interface overview
CAN bus interface X451
Pin Designation
1 Reserved
2 CAN_L
3 CAN_GND
4 Reserved
5 CAN_SHLD
6 GND
7 CAN_H
8 Reserved
9 Reserved
Technical data
CAN signal (dominant low)
CAN ground
Optional shield
CAN ground
CAN signal
Cabinet Modules
Manual, (GH5), 05/2010, A5E03263538A