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2.4 Cables for the DC bus
Minimum requirement A cable for the common DC bus must meet the following require-
ments.
Shield: Shielded at cable lengths of > 0.2 m
Twisted Pair: Twisted pair at cable lengths of >
0.2 m
Cable: Two wires, shielded
Maximum cable length between 2
drives:
3 m
Special characteristics: • Insulation must be rated for the
DC bus voltage
• Conductor cross section accord-
ing to the calculated current, but
at least 2* 6 mm
2
(2* AWG 10)
The connection of the fuses for the DC bus must be rated for the total
maximum continuous current on the DC bus of all drives connected
via the DC bus. Analyze the most critical case in your application (for
example EMERGENCY STOP) and select an appropriate conductor
cross section.
2 Technical Data
LXM32
20
Common DC bus
MNA01M001EN, V1.01, 08.2014