Closed Loop 57 Stepper Motor Driver 18-90VDC 3-6A
The Closed Loop 57 Stepper Motor Driver is designed for motion control systems that require accurate positioning and reliable stepper motor operation. It works with compatible closed-loop stepper motors equipped with encoder feedback, allowing the driver to monitor actual motor movement and compare it with the commanded position. This feedback-based control helps reduce the risk of position errors that can occur in conventional open-loop stepper motor systems.
The driver can be integrated with CNC controllers, PLCs, motion controllers, and microcontroller-based systems using standard pulse and direction control signals. Its closed-loop architecture makes it suitable for systems where consistent positioning and dependable motor movement are important. Encoder feedback is processed by the driver during operation to maintain synchronization between the control command and the motor position.
Features
- Closed-loop stepper motor control.
- Encoder feedback support.
- Compatible with 57 mm and 60 mm two-phase closed-loop stepper motors.
- Pulse and direction control interface.
- CW/CCW double-pulse control mode.
- Differential A/B encoder inputs.
- 16 selectable micro step resolutions.
- Up to 400 kHz pulse response frequency.
- Configurable motor rotation direction.
- Configurable pulse delay.
- Dedicated enable input.
- Alarm output.
- In-position output.
- RS232 configuration interface.
- Opto-isolated control signals.
- DIP switch configuration.
- Detachable screw terminal blocks.
- Power and fault status indicators.
Specifications
| Specification | Details |
|---|---|
| Product Type: | Closed-Loop Stepper Motor Driver |
| Driver Family: | CL57 Type |
| Motor Type: | 2-Phase Closed-Loop Stepper Motor |
| Compatible Motor Size: | 57 mm / 60 mm |
| Motor Step Angle Compatibility: | 1.8° / 0.9° |
| Power Supply Input: | 18–90VDC |
| Control Signal Voltage: | 5–24V |
| Control Interface: | PUL / DIR / EN |
| Pulse Control Modes: | Pulse + Direction / CW-CCW Double Pulse |
| Maximum Pulse Response Frequency: | 400 kHz |
| Minimum Pulse Width: | >2.5 µs |
| Encoder Type: | Differential A/B Encoder |
| Encoder Supply Voltage: | 5VDC |
| Encoder Terminals: | VCC, EGND, EA+, EA−, EB+, EB− |
| Micro step Settings: | 16 |
| Pulse Resolution: | 400 to 51,200 Pulses/Rev |
| Available Pulses/Rev: | 400, 800, 1000, 1600, 2000, 3200, 4000, 5000, 6400, 8000, 10000, 12800, 20000, 25600, 40000, 51200 |
| Direction Setting: | Configurable via SW5 |
| Pulse Mode Setting: | Configurable via SW6 |
| Pulse Delay: | 0 / 4 / 20 / 40 ms |
| Alarm Output: | ALM+ / ALM− |
| In-Position Output: | EX+ / EX− |
| Alarm / Position Output Type: | Opto-Isolated |
| Maximum Alarm / Position Output Current: | 10 mA |
| Motor Output Terminals: | A+, A−, B+, B− |
| Communication Interface: | RS232 |
| Configuration Switches: | SW1–SW8 |
| Status Indicators: | PWR / FLT |
| Cooling Method: | Natural Cooling / Forced-Air Cooling |
| Operating Temperature: | 0°C to +50°C |
| Storage Temperature: | −20°C to +65°C |
| Operating Humidity: | 40%–90% RH |
| Dimensions: | 119 × 76 × 33.5 mm |
| Weight: | 280 g |
Pinout
| Terminal | Type | Function |
|---|---|---|
| PUL+ / PUL− | Input | Step/pulse command |
| DIR+ / DIR− | Input | Motor direction command |
| EN+ / EN− | Input | Driver enable/disable |
| ALM+ / ALM− | Output | Driver fault/alarm output |
| EX+ / EX− | Output | Position-reached / in-position output |
| VCC | Output | +5 V supply for encoder |
| EGND | — | Encoder ground |
| EB+ / EB− | Input | Differential encoder channel B |
| EA+ / EA− | Input | Differential encoder channel A |
| V+ | Power | +18–90 VDC |
| V− | Power | DC supply negative |
| A+ / A− | Output | Motor phase A |
| B+ / B− | Output | Motor phase B |
DIP-Switch Configuration
SW1–SW4 – Micro step / Pulses per Revolution
| Pulses/Rev | SW1 | SW2 | SW3 | SW4 |
|---|---|---|---|---|
| 400 | ON | ON | ON | ON |
| 800 | OFF | ON | ON | ON |
| 1600 | ON | OFF | ON | ON |
| 3200 | OFF | OFF | ON | ON |
| 6400 | ON | ON | OFF | ON |
| 12800 | OFF | ON | OFF | ON |
| 25600 | ON | OFF | OFF | ON |
| 51200 | OFF | OFF | OFF | ON |
| 1000 | ON | ON | ON | OFF |
| 2000 | OFF | ON | ON | OFF |
| 4000 | ON | OFF | ON | OFF |
| 5000 | OFF | OFF | ON | OFF |
| 8000 | ON | ON | OFF | OFF |
| 10000 | OFF | ON | OFF | OFF |
| 20000 | ON | OFF | OFF | OFF |
| 40000 | OFF | OFF | OFF | OFF |
SW5 — Motor Direction
| SW5 | Direction |
|---|---|
| OFF | Clockwise – CW |
| ON | Counterclockwise – CCW |
SW6 — Command Mode
| SW6 | Control Mode |
|---|---|
| OFF | Pulse + Direction (PUL/DIR) |
| ON | Double Pulse (CW/CCW) |
SW7 / SW8 — Pulse Delay
| Delay | SW7 | SW8 |
|---|---|---|
| 0 ms | ON | ON |
| 4 ms | OFF | ON |
| 20 ms | ON | OFF |
| 40 ms | OFF | OFF |
Applications
- CNC Machines.
- CNC Routers.
- Automation Equipment.
- Positioning Systems.
- Robotics.
- Engraving Machines.
- Packaging Machines.
- Pick-and-Place Systems.
- Industrial Motion Control.
- Automated Production Equipment.
Package Contents
- 1× Closed Loop 57 Stepper Motor Driver 18-90VDC
