IS200EXHSG4REC - Exciter Relay Driver Board

Functional Description

IS200EXHSG4REC is an Exciter Relay Driver Board developed by GE. It is a part of EX2100 excitation system. Exciter High-Speed Relay Driver Board is an integral component of the GE EX2100 system. This board specializes in supporting solid-state relays and signal conditioning circuits crucial for the excitation control system's functionality.

Connectors and Terminals

• The Exciter High-Speed Relay Driver Board exhibits a comprehensive array of connectors and terminals.
• It boasts a total of eight plug connectors, varying in size from two-position to twelve-position connectors.
• Incorporates two terminal connectors, E1 and E2, strategically facilitating specific and essential connections crucial for the system's operations.

Functionality and Components

• This board assumes a crucial role within the system, catering to various functionalities. It stands as the backbone supporting signal conditioning circuits, solid-state relay drivers, and contact inputs, essential for precise and efficient operation. Three male vertical pin ribbon connectors embedded on the board are pivotal for establishing specific connections and ensuring seamless signal transmission. Comprising seven relays, each distinctively marked and often denoted as M1, M2, or C, these relays significantly contribute to the board's operational integrity.
• Apart from the prominent connectors and relays, the board houses an assortment of vital components. These include multiple integrated circuits, transistors, and resistors typically crafted from carbon composite materials and metal film together forming the intricate circuitry. A heat sink is also integrated, aiding in managing thermal dissipation and ensuring optimal performance of the board's components.

Application and Control Mode

• Primarily designed for employment within a redundant control application within the EX2100 system, the board operates in contactor mode.
• This operational mode ensures precise and effective management and control of the excitation system, supporting redundancy and system reliability.

Relay Types and Power Supply

• configured to accommodate two distinct relay types: the trip relay and the close relay. Specifically, this model specializes in the utilization of close relays, emphasizing its critical role in overseeing and regulating various functionalities within the excitation system.

Power Supply for Contact Inputs

• The board relies on a 70 VDC power supply to energize and support the contact inputs.
• This voltage rating ensures the adequate and consistent power necessary for the contact inputs to operate effectively within the excitation control system, contributing to seamless system functionality and operation.