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NI 9503 User Manual and Specifications
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© National Instruments
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13
Motor Power Signals
The Phase A± and Phase B± signals power the stepper motor.
Figure 3 shows a typical bipolar stepper motor connection.
Figure 3.
Typical Bipolar Stepper Motor (2-Phase Type) Connection
Caution
The stepper motor terminals on this drive are
energized when the module is enabled. Do not connect
wires to or disconnect wires from the NI 9503 when it
is enabled.
Use a multiconductor cable with an overall shield and conductors
of 20 AWG or larger for the motor power cable.
0
1
2
3
4
5
6
7
8
9
Phase A+
Phase A–
Phase B+
Phase B–
Reserved
Reserved
Reserved
COM
Vsup
Phase A+
Phase A–
Phase B+
Phase B–
Red
Blue
Yellow
White