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LK-MD2202 2-Channel Miniature Stepper Motor Driver

A driver board that controls the direction, speed and preset positions of two stepper motors

Input voltage: : DC 6.5-12 V

Standby power: : 0.1 W

Max output current: : 2.4 A

Motors driven: : 2

5 V output current: : 100 mA

Interface: : RS485

Protocol: : Pelco-D

Baud rate: : 2400-19200 bps

Address: : 0-63

Limit switch inputs: : 4

Output current: : 0.1-1.2 A, adjustable

Preset positions: : 200

Position readback: : supported

ESD protection: : 15 kV

Operating environment: : inside a sealed enclosure

Operating temperature: : -10 °C to 50 °C

The LK-MD2202 is a driver board that controls the direction, speed and preset positions of two stepper motors. The driver is controlled over RS485 using the Pelco-D protocol. A dedicated stepper driver chip provides 2, 4, 8 and 16 microstepping, with selectable holding current when the motor stops, and an output current adjustable from 0.1 to 1.2 A. Limit-switch inputs stop each motor automatically when a limit is reached. The power input and motor outputs are protected against overcurrent, and the control and communication ports have ESD protection. Operating voltage is DC 6.5-12 V.

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