GE IS200EXAMG1BBA Exciter Analog Module

Applications

The GE IS200EXAMG1BBA Exciter Analog Module is a key component in GE Mark VI and EX2100 excitation control systems, responsible for precise measurement, conversion, and transmission of analog signals associated with generator excitation processes. This board is typically employed in turbine-generator excitation systems, ensuring stable voltage regulation and optimal machine performance.

Common applications include:

• Generator Excitation Control

• Turbine and Power Plant Automation

• Voltage Regulation Systems

• Motor and Drive Control Panels

• Energy Management and Protection Systems

It serves as the interface between analog transducers and the control system’s processing units, allowing real-time data acquisition and feedback for critical control functions.

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Overview

The IS200EXAMG1BBA module is designed to handle analog inputs and outputs related to generator excitation, such as current, voltage, and field feedback signals. It provides high accuracy and reliability in converting analog data to digital signals that the control processor can interpret.

Engineered for durability and precision, this board plays a central role in maintaining the stability of generator output and preventing overexcitation or underexcitation conditions. Its robust design allows for continuous operation under demanding industrial environments, such as high vibration, heat, and electrical noise.

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Technical Specifications

Parameter	Description
Model Number	IS200EXAMG1BBA
Board Type	Exciter Analog Module
System Compatibility	GE Mark VI / EX2100 Excitation Systems
Input Channels	Multiple analog inputs for current and voltage feedback
Output Channels	Analog outputs for control and monitoring loops
Input Signal Range	±10 V DC typical
A/D Conversion Resolution	12-bit or higher precision
Power Supply	28 V DC nominal (from backplane)
Operating Temperature Range	–30°C to +65°C
Mounting Type	Plug-in type module for VME or backplane connection
Isolation	Channel-to-channel and system-to-field electrical isolation
Dimensions	Standard 6U form factor PCB board
Cooling Requirement	Convection-cooled (no external fan required)

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Features

• High-Precision Analog Signal Processing: Accurate conversion of voltage and current signals for stable excitation control.

• Integrated Protection: Includes surge suppression and filtering for improved EMC performance.

• Channel Isolation: Reduces signal interference between input and output channels.

• Compact Modular Design: Simplifies system assembly and maintenance.

• Plug-and-Play Compatibility: Easily integrates with GE EX2100 and Mark VI systems.

• Diagnostic Support: Built-in test points for calibration and signal verification.

• High Reliability: Tested for thermal, electrical, and mechanical endurance.

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Structure & Composition

The IS200EXAMG1BBA consists of a multi-layer PCB populated with precision analog circuitry, connectors, and signal conditioning components.
Key structural elements include:

• Analog Input Terminals: For sensing field voltage and current.

• Signal Conditioning Circuits: Filters and amplifies input signals before conversion.

• Isolation Components: Protects the controller from field surges and noise.

• Connector Interfaces: Allows communication with other control boards through the VME backplane.

• Diagnostic LEDs: Indicate module status and signal presence.

The board’s design follows GE’s high-performance industrial standards, ensuring minimal drift, low noise, and excellent linearity.

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Installation & Maintenance

Installation Steps:

1. Ensure system power is disconnected before inserting or removing the module.

2. Align the IS200EXAMG1BBA with its designated slot in the control rack.

3. Insert gently until the backplane connector is fully engaged.

4. Secure the module using the locking screws or retaining clips.

5. Power on the system and verify communication using GE diagnostic software.

Maintenance Tips:

• Avoid exposure to excessive heat, moisture, or dust.

• Perform routine signal calibration using GE-provided tools.

• Inspect connectors and terminals periodically for oxidation or wear.

• Replace only with identical model numbers to maintain system compatibility.

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Additional Information

The GE IS200EXAMG1BBA is manufactured under strict quality control and conforms to UL, CE, and IEC industrial standards. It undergoes extensive factory testing for analog precision, EMC compliance, and mechanical robustness.

As a part of GE’s EX2100 excitation family, this module ensures consistent power generation stability, improved generator control, and optimized excitation response under dynamic load conditions.