
Electrical installation
Wiring of the system bus (CAN)
53
EDBPM−H310 DE/EN/FR 7.1
Terminal assignment
Stop!
Connect a 120
W
terminating resistor to the first and last bus device.
Terminal
Identification
Explanation
1
V−
GND
Reference potential
2
CAN−
LO
System bus LOW (data line)
3
Shield
Connect the shield of the system bus cable
4
CAN+
HI
System bus HIGH (data line)
5
n.c.
Not connected
For trouble−free operation, use cables with the listed specifications:
Cable specifications
Overall length
£
300 m
£
1000 m
Cable type
LIYCY 2 x 2 x 0.5 mm
2
(twisted in pairs and shielded cores)
CYPIMF 2 x 2 x 0.5 mm
2
(twisted in pairs and shielded cores)
Cable resistance
£
80
W
/km
£
80
W
/km
Capacitance per unit
length
£
130 nF/km
£
60 nF/km