NB3000-Line-Hd User Manual 4.2
CAN Port Specification (Option C)
The CAN port has the following specification:
Feature
Specification
Protocol
CAN V2.0B
Speed
Up to 1 Mbit/s
Default: 125 kbit/s
Galvanic isolation to enclosure
1500 V
DC
Internal bus termination
none
External bus termination
2
120
Ω
Max. cable length
100 m
Cable shield
mandatory
Cable type
twisted pair
Max. number of nodes
110
Reactionless
Option Cb:
CAN-Passive (monotioring only)
Option Ca: CAN-Active (rx and tx enabled)
Table 3.22.: CAN Port Specification
EP Pins
Signal
1 / 5
GND
2 / 6
L
3 / 7
H
4 / 8
−
Table 3.23.: Pin Assignments of CAN Port Signals (EP1 / EP2)
2
Note:
On each end of the CAN bus is a 120
Ω
termination mandatory
22