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IS200ECTBG2ADE

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The General Electric IS200ECTBG2ADE Exciter Contact Terminal Board provides reliable excitation contact outputs and inputs for EX2100™ Excitation Control, supporting both simplex and redundant configurations with precise relay control and monitoring capabilities.
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Technical specifications for IS200ECTBG2ADE

  • Manufacturer:
    General Electric
  • Part Number:
    IS200ECTBG2ADE
  • Product Family:
    GE Mark VI Gas Turbine Control
  • Customer Power:
    125 V dc nominal
  • Relay break characteristic:
    Resistive Load: 5 A/28 V dc
  • Suppression:
    External suppression supplied by customer
  • Agency:
    UL, CSA
  • Application:
    EX2100™ Excitation Control
  • Outputs:
    2 trip outputs (customer lockout, controlled by EMIO board); 4 general-purpose Form-C contact outputs (controlled by EMIO board)
  • Inputs:
    6 auxiliary contact inputs, powered with 70 V DC, monitored by ECTB; 52G and 86G contact inputs, powered with 70 V DC, monitored
  • Power Source (redundant control):
    From both M1 and M2 controllers
  • Weight:
    0.66 kg
  • Estimated shipping dimensions:
    33x17.7x5.5cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Operating Environment Monitoring Application

Features:

  • Redundant and Simplex Control Compatibility – Supports both ECTBG1 (redundant) and ECTBG2 (simplex) for flexible EX2100™ integration.
  • Robust Relay Output Management – Provides 2 trip outputs and 4 general-purpose Form-C contacts for reliable excitation and lockout control.
  • Comprehensive Input Monitoring – Handles auxiliary contacts and 52G/86G inputs powered at 70 V DC, ensuring full system feedback.
The General Electric IS200ECTBG2ADE is engineered for industrial power generation and excitation control, supporting EX2100™ Excitation Control systems with precise relay outputs and monitored inputs. Its two board versions, ECTBG1 and ECTBG2, allow operators to select configurations suitable for either redundant or simplex control systems, providing reliability and flexibility in installation.

Power management is a key strength of the IS200ECTBG2ADE. Trip relays are powered from M1 in simplex mode and from both M1 and M2 controllers in redundant setups. This ensures critical excitation functions continue even in the event of a single controller failure. Each relay output driving a customer lockout uses dual normally-closed contacts, guaranteeing fail-safe operation and minimizing risk during maintenance or system faults.

Installation and integration of the IS200ECTBG2ADE are simplified by its compact terminal layout and compliance with UL and CSA standards. The board supports external suppression for relay protection, while its comprehensive input monitoring, including 70 V DC auxiliary contacts and 52G/86G inputs, enables seamless interface with field devices. This combination of features strengthens operational safety and maximizes uptime for industrial power systems.

The IS200ECTBG2ADE General Electric Exciter Contact Terminal Board may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
General Electric IS200ECTBG2ADE Exciter Contact Terminal Board Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
General Electric IS200ECTBG2ADE Exciter Contact Terminal Board Specs

General

  • Manufacturer General Electric
  • Model IS200ECTBG2ADE
  • Condition New Original ready stock
  • Product Family IS200BICLH1AED,IS200EGPAG1B,IS200EISBH1A
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Temperature Range: Ambient operating temperature -30℃ to +65℃ (-22°F to 149°F).
  • Humidity Requirements: 5% to 95% relative humidity, non-condensing.
  • Power Input: Rated operating voltage 125 V dc (provided by the system backplane or external excitation power supply).
  • Interference Immunity: Must be installed in a control cabinet with good electromagnetic compatibility (EMC) protection to resist high-frequency interference from the generator set.
  • Contact Wetting Power: Provides 70 V dc voltage for monitoring external auxiliary contact inputs, ensuring reliable signal transmission.
  • Trip Outputs: Includes 2 dedicated trip contacts for connecting to the customer's lockout circuit for emergency shutdown protection.
  • General Purpose Relays (GP Relays): Configured with 4 Form-C (on/off selectable) general purpose relays for status feedback (e.g., excitation operation, fault alarm, etc.).
  • Signal Isolation: All input and output signals are opto- or physically isolated to prevent high voltage from entering the core control system.
  • Simplplex Excitation Control: The "G2" at the end of this model indicates that it is specifically designed for non-redundant systems, suitable for small and medium-sized power plants or standby generator sets.
  • Circuit Breaker Status Monitoring: Used to monitor the auxiliary status of the generator circuit breaker (GCB) or excitation switch.
  • External Fault Interlocking: Receives trip commands from external protection devices such as transformer heavy gas protection and differential protection.
  • DCS System Integration: Through its relay outputs, it uploads key operating statuses of the excitation system (e.g., "excitation closing") to the central control room DCS.
Description
The IS200ECTBG2ADE is a dedicated exciter contact terminal board designed for EX2100™ Excitation Control systems. It delivers robust relay-driven outputs for customer lockouts and general-purpose Form-C contacts, ensuring safe and dependable excitation management. Two trip outputs are controlled by the EMIO board, with each customer lockout driven by a dual normally-closed relay contact for added reliability.

This terminal board supports six auxiliary contact inputs powered at 70 V DC, along with 52G and 86G contact inputs, providing comprehensive monitoring and interface with field devices. The board is available in two variants: ECTBG1 for redundant control applications and ECTBG2 for simplex systems, allowing seamless integration depending on system architecture.

In redundant configurations, the IS200ECTBG2ADE receives power from both M1 and M2 controllers, ensuring continued operation in case of single-controller failure. The trip relay outputs in simplex mode are driven by the EMIO in M1, with relays powered by 24 V DC, offering reliable lockout control for critical excitation circuits.

The board features externally suppressed relays for resistive loads up to 5 A at 28 V DC, meeting UL and CSA safety standards. Its design facilitates integration with EX2100™ Excitation Control, enhancing system reliability and operational safety in industrial power generation environments.

Additionally, the IS200ECTBG2ADE simplifies relay feedback and control, allowing operators to implement 2-out-of-3 contact voting logic in redundant setups, which strengthens system protection and reduces operational risk. Its compact terminal layout ensures straightforward wiring and easy maintenance.

By leveraging the IS200ECTBG2ADE, facilities can maintain continuous, monitored excitation control while accommodating both new and legacy EX2100™ installations, combining flexibility with proven GE engineering.
Revisions

Revision Part #

Also known as

IS200ECTBG1ADE
IS200ECTBG1-ADE , Series -ADE, Rev -ADE
IS200ECTBG1ADA
IS200ECTBG1-ADA , Series -ADA, Rev -ADA
Alternative Names
IS200ECTBG1ADE IS200ECTBG2A IS200EDCFG1A IS200EDEXG1B IS200EPCTG1A
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the primary function of the IS200ECTBG2ADE?
It provides excitation contact outputs and inputs for EX2100™ Excitation Control, including trip relay outputs and general-purpose Form-C contacts, to manage lockouts and auxiliary monitoring.
What types of inputs can the IS200ECTBG2ADE monitor?
It monitors six auxiliary contact inputs at 70 V DC, as well as 52G and 86G contact inputs, ensuring comprehensive feedback from the field.
How does the board support system redundancy?
ECTBG1 in redundant setups drives three relays to implement a 2-out-of-3 voting circuit, ensuring continued operation even if one controller fails.
How is customer lockout implemented?
Each lockout uses a relay with two parallel normally-closed contacts, providing reliable activation through the IS200ECTBG2ADE for safe excitation control.