Wiring Of System Bus (Can) - Lenze EPM-H315 Operating Instructions Manual

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Installation
3.2.2

Wiring of system bus (CAN)

Principle structure
-V
Fig. 11-3 Wiring of system bus (CAN)
A Bus station 1
1
Only connect terminals of the same signal type.
l
Features of the signal cable:
l
Total cable length
Cable type Cab e type
Cable resistance
Capacitance per unit length
Connection of bus terminating resistors:
l
One resistor 120 Ω each at the first and last bus station
l
Features:
Bus length:
l
– 25 m at max. 1 Mbit/s data transfer rate
– Up to 1 km at reduced data transfer rate
Very reliable data transfer (Hamming distance = 6)
l
Signal level to ISO 11898
l
Up to 63 bus stations possible
l
44
A
(H315)
1
CAN- Shield CAN+ N.C. CG LO HI
120
A
2
Up to 300 m
LIYCY 2 x 2 x 0.5 mm
Twisted in pairs with shielding
Pair 1: CAN-LOW (LO) and CAN-HIGH (HI)
Pair 2: 2 GND
≤ 40 Ω /km
≤ 130 nF/km
EDBEPM-H315 DE/EN/FR 4.0
A
2
CG LO HI
Bus station 2
2
A
n
CG LO HI CG LO HI
120
h315_004
A Bus station n
n
300 to 1000 m
2
CYPIMF 2 x 2 x 0.5 mm
≤ 40 Ω /km
≤ 60 nF/km
L