Technical specifications
8.6 Hardware descriptions
SIMATIC IPC427D
128
Operating Instructions, 05/2017, A5E31347215-AB
8.6.1.9
CAN bus
CAN bus port, 9-pin (socket)
Pin no.
Short description
Meaning
1
-
Reserved
2
CAN_L
CAN bus signal (L active)
3
CAN_GND
CAN station ground
4
-
Reserved
5
-
Reserved
6
-
Reserved
7
CAN H
CAN bus signal (H active)
8
-
Reserved
9
-
Reserved
Note
The permitted maximum length of the CAN bus cable is 30 meters.