Siemens SINAMICS S120 - Page 352

Options
8.3 G20, CBC10 Communication Board
Cabinet Modules NEMA
352 Manual, 04/2014, A5E03586450A
X451 CAN bus interface
CAN bus interface -X451 features the following socket assignments:
Table 8- 1 CAN bus interface X451
Pin
Designation
Technical specifications
1
Reserved
2
CAN_L
CAN signal (dominant low)
3
CAN_GND
CAN ground
4 Reserved
5
CAN_SHLD
Optional shield
6
GND
CAN ground
7
CAN_H
CAN signal
8
Reserved
9
Reserved
Connector type: 9-pin sub D socket
NOTICE
Destruction of the CAN interface due to the wrong connector
If PROFIBUS connectors are connected to CAN bus interfaces during operation, this may
lead to the CAN interfaces being destroyed.
• Do not connect PROFIBUS connectors to CAN bus interfaces.
X452 CAN bus interface
CAN bus interface -X452 features the following socket assignments:
Table 8- 2 CAN BUS interface X452
Pin
Designation
Technical specifications
1
Reserved
2 CAN_L CAN signal (dominant low)
3
CAN_GND
CAN ground
4
Reserved
5
CAN_SHLD
Optional shield
6
GND
CAN ground
7
CAN_H
CAN signal
8
Reserved
9
Reserved
Connector type: 9-pin sub D connector (pins)