
Electrical installation
Wiring of the system bus (CAN)
67
EDBPM−H502 DE/EN/FR 5.1
Connection
FUSE 800 mA
+(18-32) VDC 10W
0 VDC
1
2
3
4
N. C.
12
3
4
ASP8
N.C.
CAN+
Shield
CAN-
V-
1 2 3 4 5
CAN-GND
CAN-LO
CAN-HI
h502_012
Fig. 4−3
System bus (CAN) connection
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 the use of the transmission cable, follow our recommendations:
Specification of the transmission cable
Total length
£
300 m
£
1000 m
Cable type
LIYCY 2 x 2 x 0.5 mm2
(paired with shielding)
CYPIMF 2 x 2 x 0.5 mm
2
(paired with shielding)
Cable resistance
£
80
W
/km
£
80
W
/km
Capacitance per unit
length
£
130 nF/km
£
60 nF/km