The ‌GE IC800SSI228RD2‌ is a high-performance programmable automation controller from GE’s VersaMax® Micro PLC series, designed for precision motion control and industrial networking applications. This 28-point I/O module integrates SSI (Synchronous Serial Interface) encoder inputs with 24VDC sinking outputs, providing ±1LSB resolution for absolute position feedback systems. The ‌IC800SSI228RD2‌ serves as a critical component in GE’s PACSystems™ architecture, enabling seamless integration of servo drives and smart sensors through built-in Profibus-DP and Modbus RTU protocols.