NG800
User Manual for NRSW version 4.5.0.100
3.4.12. 2x CAN Interface
The CAN interfaces have the following specifications:
Feature
Specification
Features
2x CAN V2.0B
Signals
CANH, CANL
Signal Level
High > 2.75 V
DC
, low < 2.0 V
DC
Bitrate
Up to 1 Mbit/s
Termination
Both ports have 6 k
Ω
(weak termination)
CAN2 has configurable 120
Ω
termination
Bus access
With option Cm: Passive (read access only)
With option Cn: Active (read/write access)
Connector type
Molex CMC48
Table 3.18.: Specification of 2xCAN Interface
Pin Assignment
Pin
Signal
Description
D1
CAN1-L
Low Level CAN bus line
D2
CAN1-H
High Level CAN bus line
D3
CAN2-L
Low Level CAN bus line
D4
CAN2-H
High Level CAN bus line
C3
CAN2-T
120
Ω
termination resistor.
Connect to pin D3 to enable
termination on interface.
Table 3.19.: Pin Assignments of 2xCAN Interface
Note:
Cables with length >30m must be shielded.
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