10
Operating Instructions – Synchronous Compact Servomotors CMDV55 – CMDV162
2
Startup/operation
Safety Notes
protective earth connection. When the motor is connected, the distances to non-insu-
lated and live parts must not be shorter than the minimum values according to IEC
60664 and national regulations. With low voltage, the distances should be no shorter
than the following values, in compliance with IEC 60664:
The terminal box must be free from foreign objects, dirt and humidity. Unused cable
entry openings and the box itself must be closed so that they are dust- and water-proof.
Secure the key for test mode without output elements. When operating low-voltage
machines with brakes, check that the brake is functioning correctly before startup.
Observe the notes in the "Electrical Installation" chapter.
2.8
Startup/operation
Whenever changes to normal operation occur, such as increased temperatures, noise,
vibrations, etc., try to determine the cause. Consult the manufacturer if required. Never
deactivate protection devices, even in test mode. Switch off the motor in case of doubt.
Regularly clean air ducts in dusty or dirty environments.
2.8.1
Surface temperature during operation
Servomotors/brakemotors get very hot during operation.
Touching the servomotor/brakemotor can result in burns if it has not cooled down. The
servomotor can have a surface temperature of more than 100 °C during operation.
Never touch the servomotor/brakemotor during operation or during the cool-down phase
once it has been switched off.
Rated voltage U
N
Distance
≤
500 V
3 mm
≤
690 V
5.5 mm
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