5. External connections
5.6 CAN1 interface for the CANopen protocol, J1939 protocol, etc.
5.6 CAN1 interface for the CANopen protocol, J1939 protocol, etc.
The CAN1- interface is not electrically isolated.
CAUTION
NON-GALVANICALLY-ISOLATEDINTERFACES
TheXV300maybedamagedbypotentialdifferences.
The GND terminals of all bus modules must be connected.
Do not connect the connector to the XV300 or disconnect it without first de-
energizing the system.
SUB-D plug
9-pole
PIN Signal Description
1
n.c.
not assigned
2
CAN-L
Bus line (dominant low)
3
GND
Ground
4
n.c.
not assigned
5
n.c.
not assigned
6
GND
Optional Ground
7
CAN-H
Bus line (dominant high)
8
n.c.
not assigned
9
n.c.
not assigned
Table16:PINassignmentforCANinterfaceasspecifiedinCiA)CAN1,notgalvanicallyisol-
ated,SUB-Dplug9-pole,UNCnutsforinterlocking
l nc: Pin 1, 4, 5, 8 and 9 must not be connected.
l Pin 3 (CAN-GND) and 6 (GND) are internally interconnected
l The power supply of the CAN bus drivers is implemented internally.
l A power supply for third party devices is not provided on the CAN con-
nector.
5.6.0.1 Wiring
l Screened twisted-pair cables must be used.
Rated cable impedance
120 Ohm
Permissible impedance
108 … 132 Ohm
Capacitance per unit
length
< 60 pF/m
Core cross-section
With a max. cable length of
100 m
0.25 mm
2
M 250
0.34 mm
2
500 m
0.75 mm
2
Table17:SpecificationsforCANwiring
XV30012/15 MN048017 ENwww.eaton.eu
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