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General Electric IS200ECTBG1ABB Mark VI Exciter Contact Terminal Board

Brand/Manufacturer: GE

Order Number: IS200ECTBG1ABB

Type: Excitation Contact Terminal Boards

Country of Origin: USA

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

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Description

The General Electric IS200ECTBG1ABB, also cataloged as the IS200ECTBG1A Excitation Contact Terminal Board, operates as a dedicated hardware component for contact input monitoring and trip output execution within General Electric Mark VI Turbine Control System platforms. The board routes 70 VDC wetted auxiliary contact signals and controls Form-C relay outputs in redundant system modes to manage generator excitation and drive assemblies.

Hardware Specifications

Parameter Specification
Model IS200ECTBG1ABB (Base: IS200ECTBG1A)
Brand General Electric
Origin USA
Weight Standard terminal board weight
Dimensions Standard Mark VI board form factor
Operating Temp 0 to 60 deg C
Power Consumption Powered via EPSM module (M1 and M2 power supplies)
Board Type Exciter Contact Terminal Board (ECTB)
System Mode Redundant mode only
Contact Inputs 6 auxiliary inputs wetted with 70 VDC (includes 52G generator status and 86G lockout)
Relay Outputs 2 trip contact outputs, 4 general-purpose Form-C relay outputs (e.g., 94EX, 30EX)
Associated Boards Managed by EMIO; works alongside EPCT, EXTB, and EACF I/O boards
System Compatibility Mark VI Turbine Control System
Documentation GEI-100457 / GEH-6632 instruction guides

Backplane Bus Communication Velocity & Firmware Flash Compatibility

The IS200ECTBG1ABB executes low-latency contact signal routing while operating under management of the master EMIO board. Operating strictly in redundant system mode, the board draws dual power feeds from M1 and M2 power supplies residing on the EPSM module to ensure deterministic execution of trip functions. Signal lines maintain noise immunity and firmware flash parity across associated EPCT, EXTB, and EACF I/O terminal boards to protect generator control logic against bus communication latencies.

Frequently Asked Questions

Q: Which contact inputs on the IS200ECTBG1ABB are wetted directly by board power?

A: Six auxiliary contact inputs, including the 52G generator online status input and the 86G lockout input, are powered directly with 70 VDC provided by the board.

Q: Can the IS200ECTBG1ABB board be deployed in a simplex system configuration?

A: No. As part of the ECTBG1 model group, the IS200ECTBG1ABB hardware variant is designed exclusively for operation in redundant system mode.

Q: How are the four general-purpose Form-C contact outputs controlled on this module?

A: The four Form-C relay outputs (utilized for signals such as 94EX and 30EX) are driven and managed by the associated EMIO control board, which also monitors relay auxiliary contact status.

Field Installation Guidelines

Ensure power from the EPSM module (M1 and M2 supplies) and connected generator control circuits is completely isolated before mounting. Secure the terminal board firmly to the cabinet sub-panel to maintain frame ground connection. Wire 70 VDC wetted contact inputs (52G and 86G) and Form-C relay output lines to the designated screw terminal blocks according to the pinout layout in GEH-6632. Ensure signal cable shields are grounded at a single point to prevent high-frequency electrical noise from degrading contact sensing telemetry.

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Testimonials

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We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.

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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.

- David Smith

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"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."

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