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The Exciter H.S. Relay Driver IS200EXHSG3AEC was manufactured by GE Industrial Systems for use in the EX2100 series of Excitation Control products.



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  • Part Number: IS200EXHSG3AEC
  • Manufacturer: GE Boards & Turbine Control
  • Series: Mark VI IS200

IS200EXHSG3AEC Technical Specifications

Manufacturer GE Industrial Systems
Series EX2100
Part Number IS200EXHSG3AEC
Functional Acronym EXHS
Functional Description Exciter H.S. Relay Driver
PCB Coating Normal Coating
Functional Revision 1 A
Functional Revision 2 E
Artwork Revision C

Product Description

The IS200EXHSG3AEC is a GE Industrial Systems PCB (printed circuit board) component designed as part of the EX2100 Excitation Control series. The EX2100 is one of General Electric’s most popular turbine management systems. The EX2100 series is a TMR (triple modular redundant) turbine control system offered by GE, and produces the fields excitation current necessary to control AC terminal voltage and reactive volt-amperes. The EX2100 Series is a full static excitation control pattern developed both  for generators on both new and retrofit steam turbines as well as gas, and hydro turbine generators.The IS200EXHSG3AEC functions within the EX2100 system as a Static Exciter High-Speed Terminal board.

Hardware Tips and Specifications

The IS200EXHSG3AEC has been designed to include a solid-state relay driver, and is typically paired with a high-speed contactor. Other board components on the IS200EXHSG3AEC include a heat sink component, seven relays, integrated circuits, transistors, capacitors, and resistors made from metal film and carbon composite materials.

This EXHS-abbreviated board includes three d-shell vertical pin connectors and eight plug connectors of various sizes. Additionally, the board has several wire jumpers in place. These jumpers, while non-customizable by nature, were added by the original manufacturer factory with initial voltage testing in mind.

A visual inspection of the IS200EXHSG3AEC Board reveals all of its PCB edges have been drilled, with of these drillings having been ringed with a conductive material.  Two corners of the board are clipped away, and the front edge of the board has four small notches cut into its surface. All of these additions can be classified as installation-minded, as the series of notches and drilled holes are for mounting purposes within the greater drive assembly.

While something of a misunderstood part shrouded in mystery following its initial release, this EXHS printed circuit board is befitted with a series of labels that should shed some light on its functionality and compatibility. For example, each of the sizable relays found on the base board of this model is labeled by the industry-standard "K" relay nomenclature, followed by a specific relay code. With this in mind, relays such as K53B_C and K53A_M1 both exist in the configuration of this product. Relays aren't the only labeled component part to the IS200EXHSG3AEC, of course. This Exciter H.S. Relay Driver makes use of a series of capacitors for energy storage purposes, over fifty in total, along with over one hundred total resistors. 

All of the aforementioned hardware is securely protected, behind a thick traditional layer of normal-style PCB coating. While not completely exhaustive in its coverage as special conformal-style PCB coating is, the IS200EXHSG3AEC's normal PCB coating provides a solid base protective layer that will suit your specialized automated needs conveniently.

Additional information regarding the functionality or proper installation of the IS200EXHSG3AEC can be found in GE Industrial Systems manuals or user guides that should have been issued with the original product. Warnings and handling procedures in these publications should be reviewed before unboxing your new part. 

AX Control ships worldwide every day of the business week, Monday through Friday.  Expedited shipping options are available, for additional cost. 

Frequently Asked Questions about IS200EXHSG3AEC

What is the purpose of the relays present on the base board of the IS200EXHSG3AEC?

The IS200EXHSG3AEC offers a series of relays for the opening and closing of greater drive assembly circuits.

How is the IS200EXHSG3AEC's Artwork Revision different from its Functional Revisions?

The "C"-rated Artwork Revision attributed to the IS200EXHSG3AEC model is different from the two prior artwork revisions as it makes no major changes to the functionality of the printed circuit board itself, opting for aesthetic and configuration change.

Why is the IS200EXHSG3AEC often paired with a high-speed contactor?

It is necessary to pair your IS200EXHSG3AEC model PCB with a high-speed contactor to ensure sufficient voltage protection in higher voltage current applications.

Reviews For IS200EXHSG3AEC

Internal Review

The IS200EXHSG3AEC is a customizable General Electric printed circuit board component that makes use of three significant revisions. Two significant revisions were made to enhance the functionality of this model; a functional revision 1 rated at A and a specially-rated functional revision 2 of "E". The final revision obvious to this IS200EXHSG3AEC model is the physical artwork revision rated at "C". This artwork revision is protected under a thick normal-style circuit board coating. - AX Control Lead Technician

Repair Services For IS200EXHSG3AEC

Type Lead Time Price Action
Repair Service 1-2 weeks $1360

Our highly skilled technicians can repair your IS200EXHSG3AEC. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.
All PLCs, HMIs, and Turbine Control Boards: 3 Years
All AC/DC and Servo Drives: 2 Years
All Motors: 1 Year
Learn More

IS200EXHSG3AEC Manuals, White Papers, Data Sheets, and Troubleshooting