Description

GE IS200ERQCH1A EX2100 Exciter Regulator Quick Connect Board

The GE IS200ERQCH1A, also cataloged as the IS200ERQCH1A Exciter Regulator Quick Connect Board, operates as a dedicated hardware component for excitation signal termination and connector interface processing within the GE EX2100 excitation control system. It provides plug-in termination paths for auxiliary contacts, relay outputs, and analog feedback circuits.

Hardware Specifications

Parameter	Specification
Model	IS200ERQCH1A
Brand	GE
Product Type	Exciter Regulator Quick Connect Boards
System Platform	EX2100 Excitation Control System
Board Type	Exciter Regulator Quick Connect Board
Inputs	Auxiliary contact inputs
Contact Wetting Voltage	70 VDC (63 to 84 VDC range)
Relay Outputs	Trip relays and general-purpose Form-C relays
Analog Signals	PT/CT feedback signals for generator voltage and current
Control Voltage	24 VDC
Customer Power	125 VDC
Isolation	500 VDC channel-to-earth isolation for relay contacts
Mounting	Quick-connect chassis interface
Protection Features	Conformal coating and EMI shielding
Operating Temp	0 to +60 deg C
Storage Temp	-40 to +85 deg C
Humidity	5% to 95% non-condensing
Origin	United States

Industrial Control Interface and Firmware Compatibility

The GE IS200ERQCH1A provides a quick-connect termination interface between EX2100 controller assemblies and external excitation system wiring. The board supports connection of auxiliary contact inputs, relay command circuits, and analog generator feedback signals through dedicated plug-in termination points.

Within the EX2100 platform, the board interfaces with ERIO and EMIO assemblies to maintain configured I/O signal paths. The hardware design supports I/O density scaling through structured connector termination and reduces field wiring complexity during cabinet installation.

Firmware flash compatibility and hardware revision matching must be verified when integrating the board into an existing EX2100 excitation controller configuration.

Frequently Asked Questions

Q: What type of signals are terminated through the IS200ERQCH1A?
A: The board provides termination interfaces for auxiliary contact inputs, trip relay outputs, general-purpose Form-C relay circuits, and PT/CT analog feedback signals.

Q: What is the specified contact wetting voltage for auxiliary inputs?
A: Auxiliary contact inputs use 70 VDC wetting voltage with an operating range of 63 to 84 VDC.

Q: How is the IS200ERQCH1A connected within the EX2100 system?
A: The board uses a quick-connect chassis interface and communicates through connected ERIO/EMIO boards within the excitation control architecture.

Field Installation Guidelines

Install the IS200ERQCH1A on the designated EX2100 chassis interface location and verify connector engagement before system startup. Confirm all auxiliary input, relay output, and analog feedback wiring assignments according to the cabinet wiring documentation.

Maintain separation between analog signal cables and high-current excitation conductors to minimize electromagnetic interference. Apply shield grounding practices according to the control cabinet grounding design.

Verify control voltage, customer power connections, and relay contact isolation requirements before energizing the excitation system. Confirm hardware configuration and I/O mapping after installation.

Specifications

• Brand: General Electric

Advantages

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