Key Specifications of the 2-Phase Open Loop Stepper Driver R57
The R57 2-Phase Open Loop Stepper Driver is based on 32-bit DSP platform, with built-in micro-stepping technology & auto tuning of parameters. The drive features low noise, low vibration, low heating and high-speed high torque output. It is used to drive two-phase stepper motors base below 57mm.
- Pulse mode: PUL&DIR
- Signal level: 3.3~24V compatible; series resistance not required for the application of PLC.
- Power voltage: 18-50V DC supply; 36 or 48V recommended
- Typical applications: engraving machine, marking machine, cutting machine, plotter, laser, auto assembly equipment, etc.
Working Current Setting
| Output current peak | Output current RMS | SW1 | SW2 | SW3 |
|---|---|---|---|---|
| 1.0A | 0.7A | on | on | on |
| 1.5A | 1.1A | off | on | on |
| 2.0A | 1.4A | on | off | on |
| 2.5A | 1.8A | off | off | on |
| 3.0A | 2.1A | on | on | off |
| 3.7A | 2.6A | off | on | off |
| 4.3A | 3.0A | on | off | off |
| 5.0A | 3.5A | off | off | off |
Micro-stepping Setting
| Pulse/rev | SW5 | SW6 | SW7 | SW8 | ||
|---|---|---|---|---|---|---|
| 3600 | on | on | on | on | ||
| 400 | off | on | on | on | ||
| 800 | on | off | on | on | ||
| 1600 | off | off | on | on | ||
| 3200 | on | on | off | on | ||
| 6400 | off | on | off | on | ||
| 12800 | on | off | off | on | ||
| 25600 | 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 | ||
| 25000 | off | off | off | off | ||
| When SW5, SW6, SW 7, SW8 are all on, any subdivision can be changed through the debugging software. | ||||||