Autonics MD5-HF14 5-Phase Micro Stepper Motor Driver

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If this item is out of stock, the lead time may take up to 2 weeks. We will contact you individually with a status update after your order is placed.

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The MD5-HF14 is a high-precision 5-phase stepper motor driver designed for low-current applications. Like the HF28 model, it operates directly on 100-220 VAC power, eliminating the need for a separate DC power supply. It features advanced microstepping capabilities, allowing for smooth rotation and high-resolution control up to 250 divisions.

Key Features

AC Power Input: Accepts wide range power input of 100-220 VAC (50/60 Hz).

Microstepping Control: Supports high resolution with up to 250 divisions. A standard 0.72° step angle motor can be controlled down to 0.00288° per pulse.

Low Noise & Vibration: The microstepping drive method ensures low-speed rotation and extreme precision control with minimal vibration.

Noise Immunity: Uses an isolated photocoupler input design to minimize influence from external electrical noise.

Protection Functions:

Auto Current Down: Automatically reduces current when the motor stops to prevent overheating.

Self-Diagnosis: Features alarm indicators for Overheat (over 80°C) and Overcurrent conditions.

Technical Specifications

Model : MD5-HF14

Power Supply : 100-220 VAC 50/60 Hz

Max. Current Consumption : 3A (based on ambient temp. 25°C, ambient humi. 55%RH)

RUN Current : 0.4 ~ 1.4 A/Phase (Adjustable)

Drive Method : Bipolar constant current pentagon drive

Resolution : 1/1 ~ 1/250 (16 steps selectable, 0.72° to 0.00288°/Step)

Max. Input Freq. : ≤ 500 kHz (CW/CCW)

Input Resistance : 270 Ω (CW/CCW), 390 Ω (HOLD OFF, DIVISION SELECTION), 10 Ω (ZERO OUT)

Ambient Temp. : 0 ~ 50°C (No freezing or condensation)

Dimensions : Refer to the detailed drawing in the manual or website (Approx. 122mm width based on diagram)