Electrical installation
Wiring of the system bus (CAN)
Important notes
l
µ
81
EDBPM−H605 DE/EN/FR 6.0
5.4
Wiring of the system bus (CAN)
5.4.1
Important notes
)
Note!
ƒ
The operating unit features an internal, hard−wired bus
terminating resistor. Therefore it has to be first or last node.
ƒ
The setting of the baud rate is described in the documentation
"HMI designer − First steps.
ƒ
Detailed information on the system bus (CAN) can be found in
the Communication Manual (CAN).
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