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Model IS200DSPXH1D is a Digital Signal Processor Control Board (DSPX) from GE. The model is equipped with processing, interface, and logic functions plus ASIC which is application specific integrated circuit, this model also has standard memory components.



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  • Part Number: IS200DSPXH1D
  • Manufacturer: GE Industrial Systems
  • Series: EX2100 Excitation Control

IS200DSPXH1D Technical Specifications

Assembly Level Base
Control Module Microprocessor-based Digital Signal Processor
External Dimensions D .5 inches X W 5 inches X L 6.5 inches
Functional Acronym/Abbreviation DSPX
Group Variation H1D, Conformal Coating
Location Control Rack
Regulators Field Voltage and Field Current
Weight 5 ounces
Wiring Board Printed

About the IS200DSPXH1D

The IS200DSPXH1D module is a digital signal processor controller. The digital signal processor control boards control processing, logic, and interface functions. The IS200DSPXH1D controller is used in conjunction with the Mark VI and EX2100 series manufactured by General Electric Company. 

The module has onboard firmware which is found in the Flash memory of the IS200DSPXH1D controller, within the firmware there are three main firmware types which are as follows, application code, configuration parameters, and boot loader. Every firmware type has a unique function. The application code will define specific control functions for the exciter and or drive products, when using the code it will be sent through the Tool port on the exciter. The configuration parameters are loaded into the controller using the toolbox application. Exciter parameters are loaded through the Unit Data Highway application and drive parameters are loaded through either an Ethernet connection, serial port, or ISBus connection. 

Note that all digits are important when connecting the DSPX board. An even more important factor when ordering a replacement board to replace the IS200DSPXH1D module in your possession it must have the same alphanumeric catalog number; to find this catalog number check the edges of the controller to find this information. 

Frequently Asked Questions about IS200DSPXH1D

What does the D revision of the IS200DSPXH1D stand for?

The functional revision for this model is D, which is a reset enhancement. 

Does this board differ from the previous DSPX models besides its functional revision?

Besides the functional revision on the IS200DSPXH1D board, there are no other differences that will affect its usage with the rest of the EX2100 series, although it is recommended that this model be used rather than the IS200DSPXH1A or IS200DSPXH1B models. 

How many inner loop regulations does the IS200DSPXH1D operate on?

The IS200DSPXH1D board operates on eight inner loop regulations which are as follows; generator instrumentation processing, field flashing control, alarms and trip logic, generator simulation, field voltage regulation, SCR dating signaling to the ESEL board, start-stop function, and field current regulation. 

Does the IS200DSPXH1D board work in conjunction with any other boards within the EX2100 Series?

Yes, the DSPX board typically shares control responsibilities with the ACLA board within the EX2100 Series.

Reviews For IS200DSPXH1D

Internal Review

When replacing the IS200DSPXH1D module it is advised to be very cautious when replacing the board and making sure the control rack has been de-energized and then testing the module through the transference from the active master to the inactive master. - AX Control Tech Team

Repair Services For IS200DSPXH1D

Type Lead Time Price Action
Repair Service 1-2 weeks $985

Our highly skilled technicians can repair your IS200DSPXH1D. 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
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