10
Installation
14
3.4 Motor Wiring
The motor wiring is connected to the 7 position terminal strip at the connection points marked Ma, Mb, and
Mc, . Refer to figure 3.2. The motor ground is connected to the Chassis Ground provided. The
terminals are marked as follows:
Terminal
Connection
Ma
Motor Phase A
Mb
Motor Phase B
Mc
Motor Phase C
Chassis Ground
Motor Ground
Note: Two chassis ground studs are provided (located near each end of the motor/AC terminal strip).
Motor & Hall Sensor Commutation Table
HALL 1
HALL 2
HALL 3
MOTOR
VOLTAGE
+5 VDC
0V
0V
Ma to Mb
0V
+5VDC
0V
Mb to Mc
0V
0V
+5VDC
Mc to Ma
The above table must be used to properly “phase” your motor’s windings to the three hall effect sensors or
encoder commutation tracks.
Note: A pull-up resistor of 1Kohm to +5VDC is provided on the three HALL inputs internal to the drive
unit. If an open-collector hall sensor is used, the device must be off to yield a +5VDC signal at the drive
HALL terminal.
Reference figure 3.3 for additional information.
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