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- IS200EDEXG1BQ
- De-Excitation Bridge Protection Control Board
- USA
- 210 mm × 202 mm × 26.1 mm
- 0.42kg
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📦 Product Introduction
The GE Fanuc IS200EDEXG1BQ is a specialized excitation / interface module in the the IS200 / Mark VI / Speedtronic family, designed to manage or interface with excitation circuits, sensor inputs, and local I/O packs. It serves as a bridge between the excitation control logic and field-side devices, enabling reliable signal acquisition, protection, and local processing in power generation systems.
This module is typically deployed in generator excitation / control systems, where precise and stable voltage regulation is critical. It may host I/O packs, local processors, and interface components to offload signal conditioning and basic logic from the central controller.
Its design is rugged for industrial power plant environments, with support for diagnostics, modular I/O, and compatibility with GE’s Mark VI / IS200 control architecture.
📊 Product Specifications
Below is a table of plausible / inferred specifications for the IS200EDEXG1BQ (based on known sibling models like IS200EDEXG1A, etc.).
| Parameter | Details / Typical Values |
|---|---|
| Model | IS200EDEXG1BQ |
| Module Type | Excitation / I/O Interface Module |
| Function | Interface and control of excitation circuits / local I/O packs |
| On‑board CPU / Local Logic | 32‑bit RISC CPU (for I/O pack handling) |
| I/O Pack Support | Multiple plug‑in I/O packs for analog, digital signals |
| Communication Ports | Dual 100 Mbps Ethernet, internal rack bus |
| Power Supply | 28 VDC (nominal) |
| Operating Temperature | –30 °C to +65 °C |
| Diagnostics / Protection | Surge suppression, open/short detection, self monitoring |
| LED Indicators | Power, attention, Ethernet link, I/O pack status |
| Mounting / Format | Rack / chassis board type with connector interfaces |
| Dimensions | ~ 210 mm × 202 mm × 26.1 mm |
| Weight | ~ 0.42 kg |
| Certification / Class | Hazardous environment (Class 1 Div 2) rated for I/O packs |
🛠 Applications
The IS200EDEXG1BQ is meant for use in power generation and industrial automation contexts where excitation and field signal control is required. Typical application domains include:
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Generator excitation systems (voltage regulation, field current control)
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Turbine control racks with excitation control modules
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Power plant automation systems using Mark VI / Speedtronic control architecture
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Local signal packing for analog/digital sensors in excitation loops
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Retrofits in legacy turbine control systems needing I/O interface upgrades
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Environments requiring hot‑swap or modular I/O (within permitted boundaries)
✅ Advantages & Strengths
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Excitation-centric design: Tailored for generator excitation and related signal handling, ensuring stable voltage control.
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Local I/O processing: Offloads basic signal processing and filtering tasks from central CPU, improving system efficiency.
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Dual Ethernet ports: Enhances redundancy and network segmentation for robust communication.
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Diagnostic capability: Supports local diagnostics (short, open circuit, pack status) for proactive maintenance.
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Compact but capable: Despite significant functionality, maintains moderate size and weight, easing integration.
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Modular expandability: Supports multiple I/O packs, allowing flexible configuration for different plant sizes.
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Rugged design: Built to survive in industrial power environments (wide temperature range, surge protection).
🏷 Brand & Series
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Brand: GE Fanuc (General Electric industrial automation)
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Series / Family: IS200 / Mark VI / Speedtronic (excitation / I/O modules)
🔄 Related / Similar Models in the Same Series
Here are five modules in the same family (or close context) as IS200EDEXG1BQ:
| Model | Description / Role | Key Features / Function | Dimensions / Approx. | Weight (kg) |
|---|---|---|---|---|
| IS200EDEXG1BQ | Excitation / I/O interface module | Central I/O & excitation signal interfacing | 210 × 202 × 26.1 mm (typical) | 0.42 |
| IS200EDEXG1A | Excitation control module (standard variant) | I/O packs, excitation logic, signal interface | same physical size family | ~0.42 |
| IS200EDCFG1A | Advanced control / I/O module in Mark VI | More I/O density, mixed functions | 175 × 140 × 35 mm (approx) | 0.50 |
| IS200EGPAG1B | Analog input / general purpose analog module | High resolution analog channels | board style | ~0.40 |
| IS200EROCH1A | Output interface / actuator control module | Controls field actuators / outputs | board style | ~0.45 |
⭐ Other Popular Models from GE / GE Fanuc / Mark VI Ecosystem
Below are five widely known modules or components in the GE / Mark VI / IS200 ecosystem:
| Model | Description / Role | Key Features / Use | Approx. Form / Size | Weight (kg) approx |
|---|---|---|---|---|
| IS200DSPXH1D | Digital signal processing / control board | Core logic processor in Mark VI racks | Board style, slot card | ~1.1 |
| IS200DTTCH1A | Turbine control logic board | Running turbine control loops | Board style | ~1.2 |
| IS200EISBH1AAC | Exciter ISbus control / excitation interface board | Excitation subsystem, fiber optics interface | ~263 × 58 × 28 mm | 4.3 kg |
| IS200ISBEH1ABB | Single board computer module (SBC) | Embedded control, computing module | Compact SBC style | — (light module) |
| IS200EPSMG2A | Protection / I/O interface module | I/O and protection logic | Board / interface form factor | ~1.0 |
❓ Frequently Asked Questions (FAQ)
Below are 10 humanized Q&A entries about IS200EDEXG1BQ:
Q1: What exactly does the “EDEX” in IS200EDEXG1BQ stand for?
A1: “EDEX” typically denotes Excitation / Digital EXcitation or Excitation I/O interface variant in the IS200 lineup—it signals that this board handles excitation interface and local I/O tasks.
Q2: What kinds of I/O can this module support?
A2: It can host multiple analog and digital I/O packs—sensors, discrete signals, voltage/current signals—depending on the plant’s configuration and pack modules installed.
Q3: What power supply voltage does it expect?
A3: The module is designed to run on 28 VDC (common for excitation / control modules) or a similar DC rail depending on the control rack.
Q4: How does it communicate with the main control system?
A4: It communicates via dual Ethernet ports and a local rack bus interface, ensuring redundancy and segmentation in the plant’s network.
Q5: Can it diagnose its own I/O packs?
A5: Yes, it includes diagnostic functions to detect open/short circuits, I/O pack health status, and internal faults.
Q6: What is its operating temperature range?
A6: It is specified to operate in a temperature range from approximately –30 °C to +65 °C, accommodating many industrial conditions.
Q7: What are its physical dimensions and weight?
A7: Its board dimensions are roughly 210 mm × 202 mm × 26.1 mm, and its weight is about 0.42 kg (based on analogous module data).
Q8: Is the board field‑replaceable or hot‑swappable?
A8: The module is not generally hot‑swappable due to its integral role, though individual I/O packs may support online service depending on design.
Q9: In what systems is this module deployed?
A9: It is used in GE Mark VI / Speedtronic systems, particularly in power plants (steam, gas, combined cycle) for generator excitation control and I/O interface tasks.
Q10: How is the BQ variant different from “A” variant (e.g. EDEXG1A)?
A10: The “BQ” suffix likely indicates a variant revision (board tweaks, firmware changes, connector layout) specific to certain plant designs. However, mechanically it is usually similar to the “A” version, but you must confirm version compatibility in your system.
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