Pins 2 Phase Stepper Motor DC Motor
20 Encoder Channel B (+) Encoder Channel B (+)
21 Encoder Supply: +5V Encoder Supply: +5V
22 Encoder Ground Encoder Ground
Encoder Channel A (-) Encoder Channel A (-)
24 Encoder Channel B (-) Encoder Channel B (-)
25 Encoder Index (-) Encoder Index (-)
23
Table C.2: Driver Card Connector Pin-Outs (Continued)
C.1.4 Signal Descriptions (Motor Driver Card, 25-Pin I/O
Connector)
DC Motor Phase(+) Output
This output must be connected to the positive lead of the DC motor.
The voltage seen at this pin is pulse-width modulated with a
maximum amplitude of 48V DC.
DC Motor Phase(-) Output
This output must be connected to the negative lead of the DC motor.
The voltage seen at this pin is pulse-width modulated with a
maximum amplitude of 48V DC.
Stepper Motor Phase 1 Output
This output must be connected to Winding A+ lead of a two-phase
stepper motor. The voltage seen at this pin is pulse-width modulated
with a maximum amplitude of 48V DC.
Stepper Motor Phase 2 Output
This output must be connected to Winding A- lead of a two-phase
stepper motor. The voltage seen at this pin is pulse-width modulated
with a maximum amplitude of 48V DC.
Stepper Motor Phase 3 Output
This output must be connected to Winding B+ lead of a two-phase
stepper motor. The voltage seen at this pin is pulse-width modulated
with a maximum amplitude of 48V DC.
Stepper Motor Phase 4 Output
This output must be connected to Winding B- lead of a two-phase
stepper motor. The voltage seen at this pin is pulse-width modulated
with a maximum amplitude of 48V DC.
Common Phase 3,4
This output can be connected to the center tab of Winding A of a two-
phase stepper motor. The voltage seen at this pin is pulse-width
modulated with maximum amplitude of 48V DC.
Appendix C – Connector Pin Assignments C-3
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