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Sanyo pancake stepper motors with encoders
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We are now offering two new NEMA 17-size pancake bipolar stepper motors from Sanyo, each featuring an integrated high-resolution quadrature encoder and home channel for absolute positioning.
| Stepper motor | Steps per revolution | Current rating (per coil) | Voltage rating | Resistance (per coil) | Holding torque |
|---|---|---|---|---|---|
| #2279 42×31.5mm | 200 | 1 A | 5.4 V | 5.4 Ω | 1.9 kg-cm (26 oz-in) |
| #2278 42×24.5mm | 200 | 1 A | 3.5 V | 3.5 Ω | 800 g-cm (12 oz-in) |
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The integrated quadrature encoder operates from 5 V and has a resolution of 1000 P/R, which allows for 4000 counts per revolution (CPR) of the output shaft when counting both edges (i.e. rising and falling) of both channels (i.e. A and B). In addition to the A and B channel outputs, the encoder has a home channel, Z, that pulses once per revolution and can be used for absolute positioning. The encoder also has outputs for the inverse of A, B, and Z. A 15 cm (6″) encoder cable is included.
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4 comments
The encoders allows you to measure the stepper motor's output up to a resolution of 4000 CPR, or 0.09 degrees. Actually moving your stepper motor to such precise positions would require you to apply sufficient microstepping properly, with at least a 1/32 microstepping ratio.
- Patrick
We are not aware of any UL or CE ratings for the Sanyo stepper motors.
Brandon
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