OK2D872 Two-Phrase Digital Stepper Driver for NEMA 23 NEMA 24 NEMA 34 Stepper Motor
- Manuals and Documentation: Driver Manual:
Digital Stepper Driver OK2D872 1.4-5.6A 24-110VDC,18-80VAC for NEMA 23 NEMA 24 NEMA 34 Stepper Motor
The OK2D872T is a digital two-phase stepper driver based on a 32-bit ARM processor. It includes configurable DIP switches for micro-step, current, and auxiliary function settings. Internal control algorithms support parameter self-tuning and subdivision.
Features:
32-bit ARM processor control
DIP switch configurable: micro-step, current, auxiliary functions
Parameter self-tuning for various motor types
Subdivision control for low-speed operation
Current vector control
Single or double pulse control mode selectable
Motor position memory
Differential optocoupler input isolation, compatible with 5V–24V
Overcurrent and overvoltage protection
Automatic pulse edge counting selection
Green LED: operation / Red LED: protection or offline
SW1–3 current settings per table;
Electrical Specifications:
Output peak current: 1.4–5.6A
Input voltage: 24–110VDC, 18–80VAC
Pulse input frequency: 0–200kHz
Overcurrent protection: 6A ±10%
Overvoltage protection: 50VDC
Default communication rate: 57.6kbps
Dimensions: 19.5 × 60 × 96mm
Weight: Approx. 280g
Operating Environment:
Cooling: Natural or forced
Humidity: 40%RH–90%RH
Operating temperature: 0°C to 70°C
Vibration: 10–55Hz / 0.15mm
Storage temperature: –20°C to +80°C
Environment: Avoid dust, oil fog, and corrosive gases
.jpg)
Install Picture:(unit: mm [1inch=25.4mm])

| Stepper Driver Specification | |
|---|---|
| Driving Voltage(V) | 18-80VAC / 24-110VDC |
| Max. Pulse Input(kHZ) | 200 |
| Microstep(Steps/rev.) | 400-2500 |
| Output Current(A) | 1.4-5.6 |
| Physical Specification | |
| Weight(g) | 280 |







