Overview

The GE IS220PDIOH1B Discrete I/O Module (also referenced as IS230TNDSH2A) 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.

Technical Data

Key Features

• Combines discrete input and output control in one module

• Optical isolation for noise immunity and signal integrity

• Built-in diagnostics for real-time fault detection

• Supports dry/wetted contacts, relays, and actuator control

• Industrial-grade build for continuous harsh-environment operation

• Seamless integration with GE Mark VIe systems

Typical Applications

• Gas, steam, and hydro turbine control

• Power plant automation and protection

• Oil & gas facility control systems

• Heavy industrial machinery requiring rugged discrete I/O

FAQ

Q1: What systems is the IS220PDIOH1B compatible with?
GE Mark VIe control systems.

Q2: What signals can it process?
Discrete on/off inputs from field devices and output control to actuators or relays.

Q3: What protections are built in?
Optical isolation and continuous self-diagnostics.

Q4: Which industries use this module?
Power generation, oil & gas, and heavy industrial equipment control.