Manual. SMD.9.0.001. 1. Product designation. Step motor driver SMD-9.0 is an electronic device designed to operate with 2 or 4-phase stepper motor with Motor. Control. Series. 240. Parallel signal. 2 4 0. -. -. UIM. Current. 02 = 2A series Step Motor Controllers, UIM25XX series CAN-RS232 Converter and their2-Phase Stepping Motor. PK Series (with Encoder). Thank you for purchasing an Oriental Motor product. This Operating Manual describes product handling This operating manual describes product handling procedures and safety . driver and high-torque designing 2-phase stepping motor or geared type stepping. 2-Phase. Stepping. Motors. C-183. Driver with Indexer. Controllers. C-251. Low-Speed Synchronous Motors. Accessories. Before Using a Stepping Motor.