Parker Compumotor - Desc:riptlon

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Dl~SCRIPTION
LE-Series Operator's Manual
DI~SCItIPTIOH
Compumotor's LE-Drive is a very low EMI (electro-magnetic
interference) micros~epping motor drive. The LE-Drive is a
linear design intended- fOl' those applications where EMI must be
kept to an absolute minltnum. The LE-Drive is a "microstepping"
drive: That is to say it giv~s a large number of small steps for
each full step of the step motor i~ is driving. The standard
resolution is 25,000 steps per motor revolution, or 125 steps per
full motor step of a 200 step motor. 50,000 steps per revolution
may be selected as shown below.
Two other features are included with the LE-Drive which were
previously unavailable. Th,;!se are the OVERDRIVE input and the
stand-by operating mode. OVERDRIVE boosts the motor current from
its set level to approximately double (three amps maximum) for as
long as the OVERDRIVE input is held active. This allows a
momentary
increase in motor torque. The OVERDRIVE feature is
activated by the indexer controlling the LE-Drive. The stand-by
feature allows the current to the motor to be reduced after the
LE-Drive has not received motor step pulses for about two
seconds. The feature is enabled or disabled by using the
configuration switches described in the Installation and Hookup
Section.
The LE-Drive has two user selectable motor resolutions:
and 50,000 steps per revolution. Either resolution may
selected by the configuration switches described in the
Installation and Hookup Section.
25,000
be
All inputs and outputs use industry standard connectors for ease
of installation and low mean time to repair.
Compumotor
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