
The GE IS220PDIAH1B is a high-density discrete input I/O pack tailored for GE Speedtronic Mark VIe turbine and generator control systems. It serves as a core field signal acquisition unit, dedicated to collecting dry contact and voltage discrete status signals from on-site switches, relays and auxiliary equipment, providing accurate digital data for system logic judgment and interlock control.

Adopting full-channel optical isolation and industrial anti-interference circuit design, this module features high noise immunity and signal stability. It integrates real-time channel diagnosis and fault detection functions, supporting stable signal sampling in wide temperature ranges and harsh electromagnetic environments. With compact modular structure and seamless system compatibility, it ensures long-term 24/7 reliable operation for power generation control loops.
