The ABB DSSS171 is a high-performance pulse counter I/O board specifically designed for integration with the ABB Advant OCS (Open Control System) and MasterPiece 200/1 systems. As a vital component of the S100 I/O family, this module provides four independent channels for high-speed pulse counting and precise frequency measurement. It is engineered to accurately process signals from encoders, flow meters, and other pulse-generating sensors. The DSSS171 is essential for applications requiring precise motion control, speed monitoring, and totalization in demanding industrial automation environments, ensuring reliable and accurate data acquisition.