Omron CJ1W-CORT21 Operation Manual page 65

CAN Bus Connector
The CAN bus connector is a 5-pin open style connector. This CAN connector is located on the front
side of the Unit, and is a male connector with five pins.
Color stickers that match communication cable colors are attached to the communications connectors.
Match the colors when connecting communication cables to the connectors, the colors can be found in
the next table.
Pin 1
1
2
3
4
5
\
Precautions for Safe Use
Before connecting communications cables, turn OFF the Controller power supply, all slave
power supplies, and the communications power supply.
Precautions for Correct Use Precautions for Correct Use
Required for normal operation of CAN network is an external 24V power supply, connected to
the Unit using the front connector.
CJ-series User Defined CAN Unit Operation Manual for NJ-series CPU Unit (W517)
female
male
1 2 3 4
Signal Color
CAN_GND Black
CAN_L Blue
CAN_SHLD ----
CAN_H White
CAN_V+ Red
2 Nomenclature and Installation
5
5
4
3
2
1
Description
Power line, negative voltage
Communications line, low
Shield
Communications line, high
Power line, positive voltage
2
2-7