Technical Manual
2-10
DeviceNet connector
Pin
Signal
Description
1
V-
Negative bus supply voltage
2
CAN L
CAN low bus line
3
Shield
Cable shield, functional ground.
4
CAN H
CAN high bus line
5
V+
Positive bus supply voltage
For connection of the adaptor to the DeviceNet master, use a standard cable for
DeviceNet or similar shielded cable with twisted pairs and a connector according to the
diagram below. The bus supply voltage shall be 11 – 25 VDC.
2. CAN L
4. CAN H
1. V-
5. V+
3. Shield
For reliable fieldbus function, line termination must be arranged in both ends of the
transmission line. For a G5 Instrument placed at the end of the line, terminate line by
placing a 121-ohm resistor between CAN L (pin 2) and CAN H (pin 4).
For configuration of the adaptor an EDS file is supplied with the instrument that should
be installed in the master. Note that the EDS file is a generic type supplied by the
module manufacturer. The file doesn’t contain any reference to the G5 Instrument or to
BLH Nobel.
Summary of Contents for G5
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