Description

Overview

The IS200EDEXG1ADA Exciter De-Excitation Control Board from GE is a critical component in the EX2100 Excitation Control System. It manages energy discharge from the generator field during emergency shutdowns by controlling SCR firing and monitoring conduction feedback.

Technical Specifications

Specification	Detail
Manufacturer	GE
Part Number	IS200EDEXG1ADA
Product Series	EX2100 Excitation Control System
Functional Acronym	EDEX
Voltage	24 Vdc
Dimensions	18 cm × 12 cm × 6 cm
Weight	0.4 kg
De-Excitation Type	SCR (Group 1) / Diode (Group 2)
Signal Source	EXTB via EMIO
Control Functions	SCR firing, conduction feedback, voltage retention

Key Features

• Controls SCR firing to discharge generator field energy during shutdown.

• Monitors conduction status and retains voltage during power failure.

• Interfaces with EXTB and EMIO for signal coordination.

• Compact 0.4 kg board fits easily into excitation modules.

• Supports both SCR and diode de-excitation configurations.

Specifications

• Dimensions: 18 cm × 12 cm × 6 cm
• Brand: GE

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems