Microdrive Series Instruction Manual
4201-109 Rev I
58
28 MOTOR HEATER
Screen 28 DC HEAT =OFF
Description DC HEATING VOLTAGE DURING STOP
Min/Max OFF/0.1/10
Units %V(MOTOR)
FUNCTION To provide standby (anti-condensation) heating
of the motor by means of a small DC current.
When enabled, a DC heating current flows in
the motor whenever the Microdrive is stopped.
Any fault causing a trip disables DC heat.
SETTING UP If not required, leave OFF.
If required, adjust the DC heat level while the
Microdrive is stopped, until approximately 10
25% of rated current flows in the motor.
WARNING: High voltage will be present on the motor
terminals while DC heating is employed.
28
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