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The IS200DSPXH1A controller is a Digital Signal Processor Control Board which can be used with the EX2100 Series made by GE; it is the main controller for bridge regulator functions. This DSPX board can also control generator field functions for the exciters from the EX2100 series.



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  • Part Number: IS200DSPXH1A
  • Manufacturer: GE Industrial Systems
  • Series: EX2100 Excitation Control

IS200DSPXH1A Technical Specifications

Board Type Digital Signal Processor Control Board
Functional Acronym/Abbreviation DSPX
Hardware/Fuses None
LED Light Indicators 2; Fault and Status
Manufacturer General Electric Company USA, GE Industrial Systems
Pin Quantity for Data Bus Function 32
Power Supply Input 5 V

About the IS200DSPXH1A

The IS200DSPXH1A model is classified as a digital signal processor control board, which is what the DSPX of the model stands for. The predominant function of the board is to control the motor and bridge regulator as well as the gate functions for the Innovation Series drives. Not only does the IS200DSPXH1A model control the motor and bridge regulators it also controls field control generator applications when connected to the Excitation Controller series. 

There are three I/O connectors within the DSPX module which are a P6 engineering monitor port, a P1 backplane connector, and a P5 DSP emulator port. To show what is occurring within the controller there are two LEDs on the front panel, the DS1 LED will be red and will be used to determine faults, if the LED is flashing or on it means a fault has occurred and if the LED is off no faults have been detected; the DS2 LED will be green and is used to determine the status, if the LED is on but not flashing it means that the DSP has stopped, if the LED is on and flashing then it means the DSP is running sufficiently if the LED is off a fault has occurred within the DSP. 

The best manuals to use for information on how the IS200DSPXH1A functions are the GEI-100267B Digital Signal Processor Control Board and the GEH-6632 EX2100 Excitation Controller User’s Guide. 

Frequently Asked Questions about IS200DSPXH1A

What is the IS200DSPXH1A model composed of?

The IS200DSPXH1A model is composed of a high-performance digital signal processor, an application specific integrated circuit, and standard memory components. 

Are there any specific/specialized hardware functions for the IS200DSPXH1A board?

Yes, there are four serial interfaces to the P1. There is one asynchronous TTL interface that is sent to a programmer board, one asynchronous TTL interface sent to a pc-based configuration tool and two five Mb/s ISBus interfaces that can be used as either slave or master functions. 

What memory functions are provided on the IS200DSPXH1A board?

The four memory types provided on the IS200DSPXH1A board are, RAM for data storage, FLASH memory for DSP boot images, add-only memory for board revision identification, and NVRAM for nonvolatile data storage. 

What external interrupts are provided to the IS200DSPXH1A board during normal operation?

During normal operation of the IS200DSPXH1A an inner loop load pulse, stack overflow, and two configurable inputs are provided as external interrupts. 

Reviews For IS200DSPXH1A

Internal Review

This module is primarily used for motor regulation, bridge, and gate controller functions specifically for the Innovation Series of drives, if the board is being used with an EX2100 exciter the module will also control generator fields. - AX Control Technician

Repair Services For IS200DSPXH1A

Type Lead Time Price Action
Repair Service 1-2 weeks $445

Our highly skilled technicians can repair your IS200DSPXH1A. 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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