System Bus Wiring (Can) - Lenze EPM-H410 Instructions De Mise En Service

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3.2.2
L

System bus wiring (CAN)

Schematic diagram
A
(H410)
1
-V CAN- Shield CAN+ N.C.
120
H410_006
A Bus device 1
1
•
Only connect terminals of the same signal type.
•
Features of the signal cable:
Total cable length
Cable type Cab e type
Cable resistance
Capacitance per unit length
•
Connection of bus terminating resistors:
•
One 120 Ω resistor at both the first and last bus device
Features:
•
CAN-based with bus protocol to CANopen (CAL-based communication profile DS301)
•
Bus length:
– 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)
•
Signal level to ISO 11898
•
Up to 63 bus participants possible
A
2
CG LO HI CG LO HI
A Bus device 2
2
up to 300 m
2
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-H410DE/EN/FR 3.0
Installation
A
n
CG LO HI CG LO HI
120
A Bus device n
n
300 to 1000 m
2
CYPIMF 2 x 2 x 0.5 mm
≤ 40 Ω /km
≤ 60 nF/km
55