Jiangsu Changzhou Sutai Electrical Appliance Co.,Ltd
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ST-422M stepper motor driver, 0.14A-2.1A, DC12-21V
Place of origin: Jiangsu, China (Mainland), Changzhou, China
Motor type: stepper motor
Certifications: CE and ISO 9001
RoHS Directive-compliant
Packing detail: export carton
Delivery time: 3-25 days
Payment terms: T/T, L/C, PayPal and Western Union
Supply ability: 100,000 pieces/month
Color: black
Product designation:
Step motor driver ST-422M is an electronic device designed to operate with 2 or 4-phase stepper motor with maximum current per phase up to 2.1A
Port instructions
| ST-422M Driver Pin Port Description | |
| +COM | Positive signal input |
| PUL | Pulse signal input port |
| DIR | Direction of the signal input port |
| ENA | Offline enable signal input port |
| A+ A- B+ B- | Connection two-phase hybrid motor windings |
| +VDC GND | Input voltage DC |
| K1 , K2 , K3 | Drive current selection |
| K4 , K5 , K6 | Drive current selection |
Note : 1,When the input signal is greater than 5V , Need PUL, ENA front end of resistance , General 12V plus 1.2K, 24V plus 2K resistance
Current setting(K1-K3)
| K1 | K2 | K3 | Current |
| ON | ON | ON | 0.14 |
| ON | ON | OFF | 0.42 |
| ON | OFF | ON | 0.7 |
| ON | OFF | OFF | 0.98 |
| OFF | ON | ON | 1.26 |
| OFF | ON | OFF | 1.54 |
| OFF | OFF | ON | 1.82 |
| OFF | OFF | OFF | 1.9 |
Subdivision setting (K4-K6)
| K4 | K5 | K6 | Subdivision |
| ON | ON | ON | 1 |
| ON | ON | OFF | 2 |
| ON | OFF |
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