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Ndrive HL User’s Manual
Introduction
www.aerotech.com 1-7
Table 1-2.
Electrical Specifications (continued)
Specification
Description
Brushless
Modes of
Operation
Brush (Current/Torque and tachometer Mode)
Hall A-Pin 10, Hall B-Pin 5, Hall C-Pin 11: Hall effect device
inputs for commutation, 0 to 5 VDC, internal pull-up, 10K input.
Commutation signals used with brushless motors to provide
motor rotation position information to the amplifier. This allows
the amplifier to steer the three phases of the motor currents in
such a fashion to provide rotation of the motor in the desired
direction at the desired speed. TTL level input.
Feedback Inputs
Sine/Sine-N, Pin 17/Pin 18, Cosine/Cosine-N, Pin 14/Pin 15:
Encoder input 0 to 5VDC, internal pull-up, 10K input.
Power Inputs
(AC1, AC2)
AC input: AC1, AC2, earth ground ( ), 50-60 Hz, single phase.
5V-Pin 16: On board 5V power supply. 250 mA max. output.
Auxiliary Power
Outputs (AL1, AL2)
5V-Pin 3: On board 5V power supply. Pin 3 is intended for
powering an encoder. Ndrive HL can supply up to 500 mA of
current total to user devices.
Output short circuit
Peak over current
DC bus over voltage
RMS over current
Over temperature
Control power supply under
voltage
Protective
Features
Power stage bias supply
under voltage
Designed to EN61010/UL3101
Isolation
Optical and transformer isolation between control and power
stages.
Indicator (Power)
LED indicates drive power.
Indicator (Enabled)
LED indicates drive enabled.
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