Electrical installation
Wiring of system bus (CAN)
5
91
EDBCSXA064 EN 3.2
ECS_COB003
Fig. 5−16 Bus connections on the controller
Assignment of the plug connectors
X4 (CAN) X14 (CAN−AUX) Description
CH CAH CAN−HIGH
CL CAL CAN−LOW
CG CAG Reference potential
Specification of the transmission cable
We recommend the use of CAN cables in accordance with ISO 11898−2:
CAN cable in accordance with ISO 11898−2
Cable type Paired with shielding
Impedance 120 W (95 ... 140 W)
Cable resistance/cross−section
Cable length £ 300 m £ 70 mW/m / 0.25 0.34 mm
2
(AWG22)
Cable length 301 1000 m £ 40 mW/m / 0.5 mm
2
(AWG20)
Signal propagation delay £ 5 ns/m
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