Mounting And Wiring In Control Cabinet - Bosch Rexroth VFC 610 Series Operating Instructions Manual

Bosch Rexroth AG
Electromagnetic Compatibility (EMC)

7.2 Mounting and Wiring in Control Cabinet

Influence of the Motor Power Cable
The longer the motor cable, the greater its leakage capacitors. To comply with a
certain EMC limit value, the allowed leakage capacitance of he mains filter is
limited.
Run the shortest possible motor power cables.
●
Routing the Motor Power Cables and Motor Encoder Cables
Route the motor power cables and motor encoder cables along grounded metal
surfaces, both inside the control cabinet and outside of it, in order to minimize
radiation of interference fields. If possible, route the motor power cables and
motor encoder cables in metal-grounded cable ducts.
Route the motor power cables and motor encoder cables
with a distance of at least d
●
signal cables and signal lines (alternatively separated by a grounded distance
plate)
in separate cable ducts, if possible
●
Routing the Motor Power Cables and Mains Connection Lines
For frequency converters (drive controllers with individual mains connection),
route motor power cables and (unfiltered) mains connection lines in parallel for
a maximum distance of 300 mm. After that distance, route motor power cables
and power supply cables in opposite directions and preferably in separate cable
ducts.
Ideally, the outlet of the motor power cables at the control cabinet should be
provided in a distance of at least 200 mm from the (filtered) power supply ca-
ble.
The required cable length between frequency converter and brake chopper (or
between brake chopper and brake resistor) is less than or equal to 5 m.
34/65
= 100 mm to inference-free lines, as well as to
min.
Brake Chopper
DOK-RCON04-VFC*BRAKE**-IT01-EN-P