Integrated Stepper Motors include built-in microstep driver electronics, eliminating the need for motor wiring and hookup. The 34MDSI series also contains a simple indexer/controller with RS485 communications. It is available in 3 stack lengths, delivering from 637 to 1700 ounce inches of torque. The bipolar microstep driver features resolution of 2000 steps/revolution, providing smooth rotary operation. The 34MDSI Integrated Stepper Motor is available in either a single-shaft version or a double-shaft version with optional encoder.