GE IS200ECTBG1ABB Exciter Contact Board
GE IS200ECTBG1ABB
Product Overview
The GE IS200ECTBG1ABB is an Exciter Contact Terminal Board (ECTB) designed for GE Mark VI turbine control and EX2100 excitation systems. It provides an interface for external contact inputs and relay outputs used in generator excitation and protection circuits. The board operates in redundant control configurations and works with compatible EMIO control hardware.
Technical Specifications
| Parameter | Description |
|---|---|
| Manufacturer | General Electric (GE) |
| Model | IS200ECTBG1ABB |
| Product Type | Exciter Contact Terminal Board |
| Functional Acronym | ECTB |
| Control System | Mark VI / EX2100 |
| Operating Mode | Redundant |
| Auxiliary Contact Inputs | 6 |
| General-Purpose Outputs | 4 Form-C relay outputs |
| Trip Contact Outputs | 2 |
| Contact Excitation | 70 VDC for designated inputs |
Key Features
- Contact Input Monitoring: Receives external status signals from generator-related equipment.
- Relay Output Control: Provides four Form-C relay outputs for designated control functions.
- Trip Signal Interface: Includes two trip contact outputs for compatible protection circuits.
- Redundant Operation: Supports redundant excitation control architectures.
- System Integration: Works with compatible EMIO, EPCT, EXTB, and EACF hardware.
Applications
The IS200ECTBG1ABB is used in generator excitation systems at power plants and industrial generation facilities. Typical applications include generator status monitoring, excitation control, relay signaling, and customer lockout circuits.
Installation and Maintenance
Confirm the board revision and redundant-system configuration before installation. Check the wiring of auxiliary contacts and relay outputs against the system diagrams. During maintenance, inspect connectors, terminals, and relay circuits for loose connections or signs of damage. Follow the applicable GE safety and service procedures.
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