This document provides specifications for the XSEL Series 8-axis program controller sold by Electromate. It can operate up to 24 robot axes with a single controller by interpolating up to 8 axes or connecting additional controllers via DeviceNet, EtherCAT, or EtherNet/IP. It also allows networking multiple XSEL controllers via IA net for expanded I/O and monitoring capabilities. The controller includes maintenance functions to count axis movements and notify when servicing is required.