Electrical installation
Wiring of the system bus (CAN)
4
67
EDBPM−H502 DE/EN/FR 5.1
Connection
FUSE 800 mA
+(18-32) VDC 10W
0 VDC
1
2
3
4
N. C.
1234
ASP8
N.C.
CAN+
Shield
CAN-
V-
123 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
1V− 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
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