The optionally available Spetec stepper motor controller SM04 is an in-house development intended for Spetec pumps and can be fixed directly to the pump. It is designed for operating two-phase stepper motors with 1.8° and 0.9° step angles. Using the Spetec SM04, a single full step can be subdivided into 64 microsteps. This corresponds to 12,800 steps per revolution. This ensures that the equipment runs extremely smoothly and silently. Control is via an analogue voltage signal for the speed setting and one digital signal each for on/off and switching the direction of rotation. Operation takes place with a voltage of 24V. The SM04 is primarily used in combination with our peristaltic pumps.
Benefits
- On-chip temperature monitoring
- Current adjustment across the entire speed range,resulting in reduced heating of the stepper motor
- Simple speed control via analog input
- Quieter running through 1/64th microstep control
- Board can be operated without ventilation
- Compact assembly
