| Fuction | Label | Definition | Remark | |
| Power input terminal | V+ | Enter the positive of DC power supply | DC power 24-48V | |
| V- | Enter the negative of DC power supply | |||
| Motor line terminal 1 | A+ | Connect the motor A-phase windings at both ends | ||
| A- | ||||
| B+ | Connect the motor B-phase windings at both ends | |||
| B- | ||||
| Motor line terminal 2 | A+ | Connect the motor A-phase windings at both ends | ||
| A- | ||||
| B+ | Connect the motor B-phase windings at both ends | |||
| B- | ||||
| Input terminal wiring | OPTO | input common terminal |
3.3-24V
level compatible |
|
| DIR | Forward and reverse input | |||
| ENA- | Enable control interface | |||
| +5V | Adjustable rheostat head end | |||
| Enable wiring | AIN | Adjustable rheostat middle tap | ||
| GND | Adjustable rheostat tail | |||