Specifications of 2-Phase Open Loop Stepper Driver – R42
The R42 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 and low heating. It is used to drive two-phase stepper motors base below 42mm.
- Pulse mode: PUL&DIR
- Signal level: 3.3~24V compatible; series resistance not required for the application of PLC.
- Power voltage: 18-48V DC supply; 24 or 36V recommended
- Typical applications: marking machine, soldering machine, laser, 3D printing, visual localization, automatic assembly equipment, etc.
Working Current Setting
| Peak Current | Average Current | SW1 | SW2 | SW3 | Remarks |
|---|---|---|---|---|---|
| 0.3A | 0.2A | on | on | on | Other current can be customized. |
| 0.5A | 0.3A | off | on | on | |
| 0.7A | 0.5A | on | off | on | |
| 1.0A | 0.7A | off | off | on | |
| 1.3A | 1.0A | on | on | off | |
| 1.6A | 1.2A | off | on | off | |
| 1.9A | 1.4A | on | off | off | |
| 2.2A | 1.6A | off | off | off |
Micro-stepping Setting
| Steps/revolution | SW5 | SW6 | SW7 | SW8 | Remarks | |
|---|---|---|---|---|---|---|
| 200 | on | on | on | on | Other subdivisions can be customized. | |
| 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, SW7, SW8 are all on, any subdivision can be changed through the debugging software. | ||||||