Can1 Interface For The Canopen Protocol, J1939 Protocol, Etc - Eaton XV300 Manual

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.
67
The CAN1-The interface is not electrically isolated.
CAUTION
NON-GALVANICALLY-ISOLATED INTERFACES
The XV300 may be damaged by potential differences.
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.
Tab. 18: PIN assignment for CAN interface as specified in CiA)
CAN1, not galvanically isolated, SUB-D plug 9-pole, UNC nuts for interlocking
SUB-D plug
9 pole
5
9
4
8
3
7
2
6
1
nc: PIN 1, 4, 5, 8 and 9 must not be connected.
l
PIN 3 (CAN-GND) and 6 (GND) are internally inter-
l
connected.
The power supply of the CAN bus drivers is implemented
l
internally.
A power supply for third party devices is not provided on
l
the CAN connector.
Wiring topic
Screened twisted-pair cables must be used.
l
Tab. 19: Specifications for CAN wiring
Rated cable impedance
Permissible impedance
Capacitance per unit
length
Core cross-section
XV300 07/23 MN048017EN Eaton.com
PIN signal
1 n.c.
2 CAN-L
3 GND
4 n.c.
5 n.c.
6 GND
7 CAN-H
8 n.c.
9 n.c.
With a max. cable length of
Description
not used
Bus line (dominant low)
Ground
not used
not used
Optional Ground
Bus line (dominant high)
not used
not used
120 Ohm
108 ... 132 Ohm
< 60 pF/m
2
100 m 0.25 mm
2
250 m 0.34 mm
2
500 m 0.75 mm