General Electric IS220PAICH2A Analog I/O Module

Overview

The General Electric IS220PAICH2A Analog I/O Module supports Mark VIe and VIeS turbine control systems with flexible analog‑signal processing and stable real‑time communication. This module mounts directly onto analog terminal boards and delivers reliable performance in demanding turbine and process‑control environments.

Functional Design

The GE IS220PAICH2A connects to terminal boards through a DC‑37 pin interface and communicates with controllers via dual RJ‑45 Ethernet ports. A three‑pin connector supplies power, while diagnostic LEDs provide clear visibility of operating status. The module supports simplex and TMR architectures, enabling deployment in both standard and high‑redundancy turbine systems.

A BPPx processor and dedicated acquisition board manage ten analog inputs. Eight channels support 5 V, 10 V, or 4–20 mA signals, and two channels support 1 mA or 4–20 mA inputs. The module also provides two current loop outputs from 0–20 mA, with the first channel capable of delivering up to 200 mA for high‑demand applications. These features make the IS220PAICH2A suitable for flexible signal conditioning across diverse industrial processes.

Soft‑start circuitry reduces inrush current during power‑up, and the mounting bracket with studs ensures secure mechanical installation without stressing connectors. Configuration through GE ToolboxST software allows precise tuning of analog parameters.

Technical Specifications

Key Parameters

Additional Technical Notes

• The IS220PAICH2A supports flexible analog‑signal conditioning for turbine and process control.

• Diagnostic LEDs improve visibility during commissioning and maintenance.

• Soft‑start circuitry protects internal components during power‑up.

• The module integrates seamlessly with Mark VIe and VIeS analog terminal boards.

Applications and Compatibility

The General Electric IS220PAICH2A supports gas turbines, steam turbines, and industrial process systems that require accurate analog‑signal acquisition and output control. It integrates with Mark VIe distributed control architectures and suits high‑reliability automation environments.