The new Yamaha robot driver TS-SD is dedicated to the TRANSERVO series that supports pulse train command input and offers low price and easy operation while achieving high performance. The new Yamaha robot driver TS-SD has been developed as a new driver that can perform closed-loop control and is dedicated for use with the single-axis robot TRANSERVO series, which utilizes a stepping motor controlled with a vector control method. The result is a model that supports a variety of command pulse input methods while achieving low price and easy operation.The TS-SD is suitable for a variety of work processes and uses in facilities involved in the manufacture of electric/electronic parts or components for compact precision machinery that require high-precision assembly. These processes and uses include assembly, inspection, transfer, feeding/conveying, etc., and uses are also anticipated in the medical and food product fields for handling and inspection process applications.