Melec QDB-M243X2P Instruction Manual

Melec QDB-M243X2P is a 2-phase/5-phase stepping motor driver with a DC +24V input. It uses a bipolar constant current driving method, supporting 5-phase motors (0.35A/phase to 2.40A/phase) and 2-phase motors (0.35A/phase to 2.40A/phase). Step angles are selectable, offering precise control. The device features selectable hold and drive currents, plus extend function signal outputs. Ideal for designers integrating stepping motors into control systems.

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Melec QDB-M243X2P Instruction Manual | Manualzz

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Key features

  • Bipolar constant current drive
  • Selectable step angles
  • Adjustable hold/drive currents
  • 2-phase/5-phase motor support
  • Extend function outputs

Frequently asked questions

It supports both 2-phase stepping motors with bipolar windings and 5-phase stepping motors with a new pentagon connection. Current ratings range from 0.35A/phase to 2.40A/phase for both types.

The QDB-M243X2P offers sixteen selectable step angles, ranging from 1 division to 500 divisions of the basic angle. The exact step angle depends on the motor type (2-phase or 5-phase) and the setting of the STEP ANGLE SELECT switch.

Yes, you can adjust both the drive current and the hold current using the DRIVE CURRENT SELECT and HOLD CURRENT SELECT switches respectively. The hold current is adjustable as a percentage of the drive current.

The QDB-M243X2P requires a DC +24V power supply.

The viewed document emphasizes several safety precautions, including using a DC power supply with reinforced insulation, avoiding operation in hazardous environments, not touching the driver during operation due to potential overheating, and implementing fail-safe measures. Refer to Section 1 of the manual for details.
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