Discrete I/O Module IS220PDIOH1B (IS230TNDSH2A) GE

Description

TheGE IS220PDIOH1B Discrete I/O Module(also referenced asIS230TNDSH2A) is part of the GE Mark VIe control system, providing high-reliability digital input acquisition and output control for turbine and industrial automation. It interfaces with switches, sensors, relays, and actuators, combining input and output functions in a single compact module. Widely used in gas, steam, and hydro turbine systems, it delivers rugged performance, strong noise immunity, and built-in diagnostics to ensure safe and stable operation in harsh industrial environments.