GE IS200ECTBG1ADE Exciter Contact Terminal Board

GE IS200ECTBG1ADE Exciter Contact Terminal Board

د.إ8,888.00

IS200ECTBG1ADE, signifies that this board is designed only for redundant (TMR – Triple Modular Redundant) control systems (using M1, M2, and C controllers).3 The simplex version is typically designated with G2.4

Contact Outputs (Controlled by EMIO)

The outputs on the ECTB are controlled by the EMIO (Exciter Multiple I/O) board in the controllers, ensuring precise and timely response.5

  • Trip Contact Outputs: Features two trip outputs designed to drive customer lockout mechanisms.6
  • General Purpose Outputs: Includes four general-purpose Form-C relay contact outputs (Form-C means they have common, normally open, and normally closed terminals).7 These are often used for general auxiliary control, such as 94EX and 30EX outputs.8
    • Note: For redundant operation, the control signal to these outputs is subject to a two-out-of-three voting circuit for enhanced reliability.9
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التصنيف:

الوصف

The GE IS200ECTBG1ADE Exciter Contact Terminal Board (ECTB) is a specialized Printed Circuit Board (PCB) used exclusively in the GE EX2100 Excitation Control System.1

Its primary function is to serve as the field-wiring interface for both contact inputs (status/alarms) and contact outputs (trip/control relays) within the excitation control cabinet.2

🧠 Key Features and Functionality

The G1 designation in the part number, IS200ECTBG1ADE, signifies that this board is designed only for redundant (TMR – Triple Modular Redundant) control systems (using M1, M2, and C controllers).3 The simplex version is typically designated with G2.4

Contact Outputs (Controlled by EMIO)

The outputs on the ECTB are controlled by the EMIO (Exciter Multiple I/O) board in the controllers, ensuring precise and timely response.5

  • Trip Contact Outputs: Features two trip outputs designed to drive customer lockout mechanisms.6
  • General Purpose Outputs: Includes four general-purpose Form-C relay contact outputs (Form-C means they have common, normally open, and normally closed terminals).7 These are often used for general auxiliary control, such as 94EX and 30EX outputs.8
    • Note: For redundant operation, the control signal to these outputs is subject to a two-out-of-three voting circuit for enhanced reliability.9

Contact Inputs (Wetted and Monitored)

The board processes digital inputs from the field, which are vital for system monitoring and protection:

  • Auxiliary Contact Inputs: Equipped with six auxiliary contact inputs supplied by the customer.10
  • Specialized Monitoring: Monitors critical contacts, such as the 52G (Generator Circuit Breaker) and 86G (Generator Lockout) contacts.11
  • Contact Wetting: All contact inputs are actively wetted (powered) by the ECTB with a nominal 70 V DC supply (sourced redundantly from the M1 and M2 power supplies in this G1 version).12 This wetting voltage ensures reliable contact closure and detection.
    • The status of these contacts drives a red indicating LED on the board.13

🛠️ Design and Interface

Feature Details
System Compatibility GE EX2100 Excitation Control System (Redundant TMR Mode)
Processor Interface Connects to the EMIO boards (M1, M2, and C) via three D-shell connectors (J405, J408, and J415).
Mounting Typically rack-mounted in the Exciter Cabinet.
Field Connections Uses terminal strips and three-position plugs for field wiring connections.
Voltage Source Requires a nominal 24 V DC input voltage for its own operation.

The ECTB board is fundamental to integrating the EX2100 controller with the generator’s auxiliary protective and status equipment.

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