Overview

The GE IS220PHRAH1B (IS230SNHRH2A) is a printed circuit board (PCB) module designed for GE Mark VI and Mark VIe turbine control systems. It functions as a High‑Resolution Analog Input/Output Board, enabling precise acquisition and transmission of analog signals for turbine monitoring, protection, and control.

This board is critical for gas and steam turbine automation, ensuring accurate conversion of field signals into control system data, while also delivering analog outputs for actuators and process regulation.

Technical Data

Key Features

• High‑resolution analog input/output capability for turbine control.

• Supports multiple signal types including voltage and current.

• Robust PCB design for continuous operation in harsh industrial environments.

• Seamless integration with GE Mark VI / Mark VIe systems.

• Critical for turbine monitoring, actuator control, and protection functions.

Typical Applications

• Gas turbine control systems in power plants.

• Steam turbine monitoring and automation.

• Oil & gas facilities requiring reliable turbine operation.

• Industrial power generation in steel, mining, and chemical plants.

• Retrofit projects upgrading GE Mark VI/VIe systems.

FAQ

Q1: What is the role of the IS220PHRAH1B board?
A1: It provides high‑resolution analog input and output functionality for turbine monitoring and control.

Q2: Is it interchangeable with IS230SNHRH2A?
A2: Yes, IS230SNHRH2A is listed as an alternate part number for compatibility.

Q3: Which GE systems use this PCB?
A3: It is designed for Mark VI and Mark VIe turbine control platforms.

Q4: What industries typically use this module?
A4: Power generation, oil & gas, and heavy industry rely on it for turbine monitoring and control.