GE IS200ECTBG1ACB Exciter Contact Terminal Board
The GE IS200ECTBG1ACB is an Exciter Contact Terminal Board (ECTB) engineered for General Electric EX2100 excitation control systems. Operating within redundant control architectures, it provides the physical interface between external field contacts and system controllers to manage excitation logic, generator breaker monitoring, and protective relay commands.
Contact Monitoring and Output Switching
The board features six monitored auxiliary contact channels utilizing a 70 VDC wetting voltage (operating within a 63–84 VDC range) to supervise 52G generator breaker status and 86G generator lockout conditions. For control execution, it provides six supervised relay output channels consisting of two dedicated trip outputs for lockout functions and four general-purpose Form-C relay outputs.
Redundant Architecture and Integration
Designed to support dual M1/M2 redundant controller configurations, the terminal board receives power from both controllers to ensure continuous monitoring and fail-safe operation during switchovers. It occupies a designated space within EX2100 control racks without requiring independent network communication interfaces.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | IS200ECTBG1ACB |
| Brand | General Electric (GE) |
| Product Series | EX2100 Excitation Control System |
| Product Type | Exciter Contact Terminal Board |
| Control Configuration | Redundant Control (M1 / M2 Controllers) |
| Auxiliary Contact Inputs | 6 channels |
| Input Wetting Voltage | 70 VDC (63–84 VDC range) |
| Trip Outputs | 2 channels |
| General-Purpose Relay Outputs | 4 channels (Form-C) |
| Operating Temperature | -30 deg C to +65 deg C |
| Dimensions | 35 cm × 17 cm × 10 cm |
| Weight | 0.5 kg |
Frequently Asked Questions
Q: What is the primary function of the IS200ECTBG1ACB board? A: It serves as an interface for monitoring auxiliary contact inputs and executing supervised relay output commands within EX2100 excitation systems.
Q: How does the board support redundant control systems? A: It is designed for dual M1/M2 controller configurations, receiving power from both controllers to maintain uninterrupted operation and breaker status supervision.
Q: What voltage is used for input contact monitoring on this terminal board? A: It utilizes a 70 VDC wetting voltage, operating within a specified range of 63 to 84 VDC.
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| Warranty | 12 Months |
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