PM20L-20-14 50g-cm Unipolar Stepper
Product Description
This motor is good for turning small knobs, buttons, etc.
Motor Controller and Connection
The 3316 stepper motor connects to:
- 1062 – PhidgetStepper Unipolar 4-Motor
- 1063 – PhidgetStepper Bipolar 1-Motor.
- 1067 – PhidgetStepper Bipolar HC.
The following table shows how to connect the motor wires to the board connectors to produce a clockwise rotation in the stepper motor when increasing position. To wire for counter-clockwise rotation when increasing position, reverse the black and white wires.
| Wire Color | Orange | Red | Yellow | Black | White | Brown |
| Board Connector | + | A | B | C | D | + |
To connect the motor to the 1063 or 1067 simply leave out the Orange and Brown wires.
Note: Make sure to unplug the power cord from the controller board before switching wires around.
Product Specifications
Motor Properties
| Motor Type | Unipolar Stepper |
| Step Angle | 18° |
| Step Accuracy | 7 % |
| Holding Torque | 50 g·cm |
| Rated Torque | 30 g·cm |
| Maximum Speed at Rated Voltage | 575 RPM |
Electrical Properties
| Rated Voltage | 12 V DC |
| Rated Current | 80 mA |
| Coil Resistance | 135 ? |
Physical Properties
| Shaft Diameter | 1.5 mm |
| Weight | 24 g |
| Number of Leads | 6 |
Resources
- Stepper Motor and Controller Primer
- Wantai Data Sheet