PMM-MD-23220-10 Sanyo Denki
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The Sanyo Denki PMM-MD-23220-10 is a unipolar drive in the PM Drivers series, designed for two-phase operation and supports microstep divisions of 1, 2, 4, and 8. It features a main power input of DC24V/36V and a rated current of 2 A per phase, with a control power input of DC5V. The drive uses photo coupler input and has a maximum input frequency of 20 kpulse per second.
Internal Product Review
The PMM-MD-23220-10 is a Sanyo Denki unipolar PM driver built for 2-phase motion control. Rated at 2 A/phase with microstep divisions of 1/2/4/8, the design delivers smooth stepping behavior and precise positioning. A maximum input frequency of 20 kpulse/s makes this driver a strong performer for responsive indexing applications.
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Product Description:
The PMM-MD-23220-10 stepper motor driver is manufactured by Sanyo Denki for the PM Drivers series. It translates pulse-train commands from motion controllers into regulated phase currents for two-phase hybrid stepper motors, enabling precise incremental rotation or linear travel in automated pick-and-place arms, indexing tables, and small conveyor lanes. By providing controlled excitation to the motor windings, the board allows industrial equipment to achieve repeatable position control without closed-loop feedback hardware.
This driver uses a unipolar output topology, so each coil is energized from a single supply line and returned through common conductors for simpler wiring. The logic electronics draw power from a separate 5 VDC ±5% control rail, while the power stage operates on 24 or 36 VDC ±10% to supply the energy needed for holding torque and acceleration. Optically isolated inputs accept step and direction signals at frequencies up to 20,000 pulses per second, establishing the highest supported command pulse rate. A built-in selector offers microstepping ratios of 1, 2, 4, or 8, allowing users to choose between finer motion resolution and higher top speed. Current limiting is fixed at 2 A per phase; this level is compatible with many NEMA 17 and NEMA 23 motors and helps control coil temperatures during continuous operation.
Electrical isolation between the power stage and the mounting surface provides a resistance of at least 10 MΩ, reducing leakage in grounded metal enclosures. The photocoupler LED is designed for a forward current of 15 mA, supporting clean signal transitions at high input frequencies. The assembly tolerates vibration acceleration up to 4.9 m/s², making it suitable for equipment exposed to moderate mechanical disturbance. The board weighs only 0.18 kg, which eases installation on lightweight brackets or inside crowded control cabinets. Its 4 mm mounting holes provide straightforward mechanical attachment without requiring a separate mounting adapter.
