Closed Loop 57 Stepper Motor Driver 18-90VDC 3-6A
The Closed‑Loop 57 is a high-fidelity driver that blends stepper simplicity with servo feedback precision. Powered by 18–90 VDC (nominally 24–48 VDC), it delivers 3–6 A peak current, selectable via DIP switches or RS‑232 interface. Featuring fully DSP-based closed-loop control, encoder feedback ensures zero-step loss, full torque utilization, and real-time position correction. Programmable microstepping from 400 to 51,200 steps/rev, auto-tuned PID loops, and robust protections reduce heating, noise, and vibration for smoother, more reliable motion.
Features
- Closed-loop servo-grade control eliminates step loss and torque reservation
- Configurable peak current 3 – 6 A via DIP or software.
- Microstepping from 400 to 51,200 steps/rev via DIP or RS‑232.
- Wide 18–90 VDC input range for flexible power setups.
- Supports 5–24 V logic input, compatible with stepper controllers and PLCs.
- Auto PID tuning and self-test reduce setup time and guarantee optimal performance.
- Fault detection via encoder and protective LED indicators.
- Triple-layer protections: over‑voltage, over‑current, and position-follow error.
Specifications
| Parameter | Value |
|---|---|
| Model | Closed‑Loop 57 Driver |
| Driver Type | DSP-controlled closed-loop two-phase hybrid stepper driver |
| Supported Models | Encoder-equipped NEMA 17–24 stepper motors (500–5,000 PPR) |
| Input Voltage | 18–90 VDC (recommended 24–48 VDC) |
| Peak Output Current | 3–6 A (via DIP/RS‑232) |
| Microstep Resolution | 400–51,200 steps/rev |
| Pulse Frequency | Up to 200 kHz |
| Logic Signal Voltage | 5–24 VDC, TTL/PLC/open-collector compatible |
| Control Modes | Single (PUL/DIR) or dual-pulse (CW/CCW) via DIP |
| Encoder Interface | Differential A/B with +5 V reference |
| Idle‑Current Reduction | Automatic half-current after inactivity |
| Protections | Over-voltage, over-current, under-voltage, step-follow error |
| Operating Temp Range | 0 °C – 65 °C |
| Storage Temp Range | –20 °C – 65 °C |
Applications
- High-precision closed-loop CNC machines, laser cutters, and plasma routers.
- Encoder-based 3D printers, pick-and-place robotics, and industrial automation.
- Systems requiring full-torque at low speeds, zero-step loss, and industrial-grade reliability.
Package Contents
- 1x Closed Loop 57 Stepper Motor Driver 18-90VDC 3-6A.
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