The low-cost alternative to the leadshine DM556: The Lichuan MC556 offers nearly the same performance at a lower price. The connections and settings are exactly the same.
The MC556 is also a digital stepper motor output stage, with adapters very easy to connect to the electronic lead screw, but also very suitable for other drive tasks.
The MC556 is a versatile fully digital driver based on a DSP controller with state-of-the-art control software. The DM556 is the next generation digital stepper motor controller. It brings a unique level of smoothness to the system and offers optimum torque with a wide stability range. Motor self-test parameters and auto-setup technology provide easy handling and better adaptation depending on the use of different motors. The driven motor can be operated in quieter operation, with less heating, with smoother motion than most comparable other controls. It is suitable for 2-phase and 4-phase hybrid stepper motors.
The MC556 operates in a supply voltage range up to 50V and provides an output current of up to 5.6A. In addition, the improved DSP allows motors to be operated at higher speeds (over 3000 rpm) to achieve servo-like performance. Stepper motors run silky smooth and quiet even in half-step mode.
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- Supply voltage up to +50VDC
- Output current up to 5.6A
- Output current selectable in eight steps via DIP switch
- Automatic current reduction (in idle mode) to reduce motor heat; function can be switched off
- Engine self-test
- self-adjusting current control depending on motor data
- Input frequency up to 200 kHz
- Inputs TTL compatible and optically isolated
- up to 25000 microsteps/revolution
- Suitable for 2-phase and 4-phase motors
- Supports PUL/DIR and CW/CCW operating modes
- Undervoltage, overvoltage and overcurrent protection
- Size: 117 x 78 x 34 mm
| characteristic data | Min | Typ. | Max | Einheit |
| Outputcurrent | 0.5 | - | 5.6 (4.0 eff.) | A |
| Supply voltage | +20 | - | +50 | VDC |
| Input current (5V) | 7 | 10 | 16 | mA |
| Max. input frequency | 0 | - | 200 | kHz |
| Isolation resistance | 500 | MΩ |
Application:
The stepper motor is connected to the output stage via 4 lines. The output stage has 2 inputs for step and direction, the driving control supplies signals at these inputs, a pulse at "step" to move the motor one step forward, at the same time a signal at "direction" to determine the direction of the motor. Each motor needs its own output stage.
The supply voltage for the motor is connected to the output stage, 48V is recommended to get the best performance out of the motors.
The output stage can be adjusted to the motor in many ways, you have to set the maximum allowed current as well as the number of steps for one revolution. Thanks to digital technology you can take a half step (400) to let the motor run silky smooth.
