CAN-8x23 user’s manual (Revision 3.20, Ma r/08/2012) ------
13
The bus length determines the CAN bus baud rate. In the following the
table provides users a relationship between the baud rate and the bus length.
Baud rate (bit/s)
Max. Bus length (m)
1 M
25
800 K
50
500 K
100
250 K
250
125 K
500
50 K
1000
20 K
2500
10 K
5000
Note: When the bus length is greater than 1000m, the bridge
or repeater devic es may be needed.
2.4 CAN Connector
The pin descriptions of the CAN bus connectors on the CAN-8x23 are
shown below.
CAN-8123/CAN-8223:
Pin No.
Signal
Description
1
CAN_GND
Ground (0V)
2
CAN_L
CAN_L bus line (dominant low)
3
CAN_SHLD
Optional CAN Shield
4
CAN_H
CAN_H bus line (dominant high)
5
CAN_V+
CAN external positive supply (+10V ~ +30V)