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GE IS200EMIOH1A Exciter Main I/O BoardGE IS200EMIOH1A Exciter Main I/O BoardGE IS200EMIOH1A Exciter Main I/O Board
GE IS200EMIOH1A Exciter Main I/O Board
GE IS200EMIOH1A Exciter Main I/O Board
GE IS200EMIOH1A Exciter Main I/O Board

GE IS200EMIOH1A Exciter Main I/O Board


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PRODUCT SKU : IS200EMIOH1A

PRODUCT TYPE : I/O Boards

PRODUCT VENDOR : General Electric


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

Configured for signal management in EX2100 excitation control systems, the GE IS200EMIOH1A (IS200EMIOH1A Exciter Main I/O Board) provides direct physical execution of I/O routing and gate pulse generation. This hardware component serves as the primary EMIO board utilized to execute PT/CT signal acquisition, contact input monitoring, and relay drive logic across EX2100 control rack architectures.

Hardware Specifications

Parameter Specification
Model IS200EMIOH1A
Brand GE
Origin USA
Weight 2 lbs
Dimensions Single-slot, double-height VME form factor
Operating Temp Standard industrial ambient range
Power Consumption System-dependent
Core Performance PT/CT signal I/O; Gate pulse generation

Backplane Bus Communication and Deterministic Networks

The IS200EMIOH1A functions as the centralized I/O manager for the EX2100 control rack, interfacing with EPCT, ECTB, EACF, and EXTB terminal boards. The module manages the conversion of PT and CT signals and provides contact input/output relay driver functionality. A primary technical function of the EMIO is the generation and transmission of logic-level gate pulse signals to the ESEL board; these signals are subsequently routed to the EGPA module within the power conversion cabinet via the backplane bus. Deterministic backplane bus communication velocity is maintained to ensure synchronous pulse firing. Firmware flash compatibility and hardware configuration must be verified against GEI-100453 to ensure proper integration with the rack-mounted power conversion components.

Frequently Asked Questions

Q: Can the IS200EMIOH1A be hot-swapped while the exciter is in operation?

A: No. The VME-style architecture requires the control rack to be de-energized before module extraction. Removing the EMIO board while the system is powered will disrupt gate pulse transmission and result in an immediate exciter trip.

Q: How does the EMIO handle signals from the connected terminal boards?

A: The EMIO acts as the central hub for the EPCT, ECTB, EACF, and EXTB boards. It receives analog instrumentation signals (PT/CT) and digital status inputs, processes them locally, and drives the pilot trip and output relays based on the internal rack logic.

Field Installation Guidelines

  • Mounting: Slide the double-height VME board into the designated control rack slot. Ensure all guide rails are properly aligned and that the board is fully seated to guarantee secure contact with the backplane connectors.
  • Wiring: Ensure all connections to the terminal boards (EPCT, ECTB, etc.) are tight and labeled according to the system schematic. Use shielded cabling for PT/CT and gate pulse paths to prevent electromagnetic interference.
  • Grounding: Verify that the control rack chassis is properly bonded to the system earth ground. This is necessary to maintain the integrity of the logic-level gate pulse signals and the accuracy of the analog sensor inputs.
  • Inspection: Regularly inspect the EMIO board and the surrounding backplane connectors for signs of thermal degradation, particularly if the rack is operating near maximum load capacity.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




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