8 (28)
5.1.2
CAN Connectors
The signals of CAN 1 and CAN 2 are connected to D-Sub 9 connectors. In automotive version CAN
2 is available as CAN low speed.
Pin Allocation D-Sub 9 Connector
Pin no.
Signal
CAN connector, D-Sub 9
1
—
2
CAN-Low
3
GND
4
—
5
—
6
—
7
CAN-High
8
—
9
—
5.1.3
Configuration Connector
The serial interface RS232 is used to configure the CANbridge. The signals are connected to a D-
Sub 9 connector.
Pin Allocation D-Sub 9 Connector
Pin no.
Signal
Serial interface RS232, D-Sub 9
1
DCD
2
RX
3
TX
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
5.1.4
Ground Connections
Version with galvanic isolation:
•
GND of CAN 1 and CAN 2 isolated from rest of circuit
•
GND of serial interface RS232 connected to GND of power supply
•
shield connections of CAN 1, CAN 2, serial interface RS232 and power supply connected
with each other
Version without galvanic isolation:
•
all GND connections (CAN 1, CAN 2, serial interface RS232 and power supply) connected
with each other
•
shield connections of CAN 1, CAN 2, serial interface RS232 and power supply connected
with each other
CANbridge User Manual
4.01.0120.20000 2.1 en-US