General Requirements; Power Connections; Permissible Cable Lengths - Lenze 9350 Series Operating Instructions Manual

6 Electrical installation

General requirements

Power connections

6.3 General requirements
Preparation
Remove cover of the power connections.
ƒ
Remove cover of the control connections.
ƒ
6.3.1 Power connections
The data regarding cable cross−sections and fuses are recommendations
ƒ
and refer to the use:
–
In control cabinets and machines
–
Installation in the cable duct
–
Maximum ambient temperature +40 °C
The cables between the braking unit and the controller may not exceed a
ƒ
length of 2 m.
For cable lengths £ 0.5 m you can use unshielded single cores.
–
If an interference suppression of the drive system is required, the cables
ƒ
have to be shielded
–
Always apply the shield on both sides.
It is the user's responsibility to take further standards (e. g.: VDE 0113,
ƒ
VDE 0289, etc.) into consideration.
6.3.2

Permissible cable lengths

To operate the 9350 braking units in a trouble−free manner, observe the
following installation instructions:
Cable
Controller − 935X (low−inductance
cables, i. e. conduct in a bunched
manner)
935X − external brake resistor
Synchronisation cable between 935X
(only for parallel operation)
78
9351 brake module
[m]
2
(internal brake resistor)
2
l
9352 brake chopper
[m]
2
8
2
EDBMB935X DE/EN/FR 11.0