Lenze EMB9352−C - Manual (Page 97)

Electrical installation
General requirements
Power connections
7
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97 EDBMB935X DE/EN/FR 13.0
7.3 General requirements
Preparation
ƒ Remove cover of the power connections.
ƒ Remove cover of the control connections.
7.3.1 Power connections
ƒ The data regarding cable cross−sections and fuses are recommendations
and refer to the use:
– In control cabinets and machines
– Installation in the cable duct
– Maximum ambient temperature +40 °C
ƒ The cables between the braking unit and the controller may not exceed a
length of 2 m.
– For cable lengths £ 0.5 m you can use unshielded single cores.
ƒ If an interference suppression of the drive system is required, the cables
have to be shielded
– Always apply the shield on both sides.
ƒ It is the user’s responsibility to take further standards (e. g.: VDE 0113,
VDE 0289, etc.) into consideration.
7.3.2 Permissible cable lengths
To operate the 9350 braking units in a trouble−free manner, observe the
following installation instructions:
Cable 9351 brake module 9352 brake chopper
[m] [m]
Controller − 935X (low−inductance
cables, i. e. conduct in a bunched
manner) 2 2
935X − external brake resistor (internal brake resistor) 8
Synchronisation cable between 935X
(only for parallel operation) 2 2