Product Description:

The PMM-MD-23221-10 motor driver is produced by Sanyo Denki within the PM Drivers series. Designed for pulse-train control of stepper or hybrid servo units, it converts CMOS-level command signals into phase currents that position the connected motor in industrial pick-and-place, labeling, and small conveyor stations. The module supplies power to the motor windings and provides monitoring outputs while integrating transistor protection and insulation features suitable for automated equipment operating inside cabinets with ambient temperatures up to 50 °C.

Circuit timing is governed by a maximum input frequency of 20 kpulse/s; this limit indicates the highest step rate the controller can accept without distorting the pulse width or duty cycle. When those pulses are translated into motion, the rotor speed can reach 3000 rpm, provided the connected motor and mechanical system permit it. Phase excitation is rated at 2 A per phase, and the driver can deliver up to 3 A of total supply current to satisfy brief acceleration demands. The logic electronics draw only 0.5 A from the control rail, keeping logic power separate from the motor bus. Dielectric strength is rated at 500 VAC between the input circuits and the heat sink, providing adequate electrical separation for installation in mixed-voltage panels.

Reliable pulse interpretation is supported by a minimum pulse width of 20 μs and a maximum duty ratio of 50%, which keep edge transitions within the 5 μs rise-and-fall envelope. Status reporting is available through an open-collector monitor rated for up to 5 mA at 30 V, allowing a direct connection to compatible PLC inputs without additional buffers. The driver withstands vibration up to 4.9 m/s² and provides an insulation resistance of 10 MΩ. Its compact heat sink and baseplate bring the total mass to only 0.18 kg, allowing installation where cabinet space and mounting capacity are limited.