Technical data

8.11 Motor connection with brake (X9)

Together with the motor supply cable and motor winding, the power output of the servo

amplifier forms an oscillating circuit. Characteristics such as cable capacity, cable length,

motor inductance, frequency and voltage rise speed (see Technical Data, p. 23) deter

mine the maximum voltage in the system.

The dynamic voltage rise can lead to a reduction in the motor’s operating life and,

on unsuitable motors, to flashovers in the motor winding.

— Only install motors with insulation class F (acc. to IEC60085) or above

— Only install cables that meet the requirements on p.26 and p.51.

The brake function does not ensure personnel safety! Hanging load (vertical axes)

require an additional mechanical brake which must be safely operated

Cable length

£ 25 meters

Cable length >25 meters

With long motor cables leakage currents endanger the output stage of the S300.

For cable lengths above 25m up to max. 50m, a motor choke 3YLor 3YLN (see

accessories manual) must be wired into the motor cable, close to the amplifier.

60 S300 Instructions Manual

Electrical installation 09/2011 Kollmorgen

S300