GE IS200EDCFG1B EX2100 / Mark VI Exciter DC Feedback Board (Direct Current Feedback Signal Conditioning Module)
GE IS200EDCFG1B EX2100 / Mark VI Exciter DC Feedback Board (Direct Current Feedback Signal Conditioning Module)
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Brand:GE Fanuc PLC Item No.:GE IS200EDCFG1B Product Origin:USA Product Dimensions:122 mm × 82 mm × 60 mm Product Weight:0.50 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The GE IS200EDCFG1B is an industrial Exciter DC Feedback Board developed for use in GE EX2100 Excitation Control Systems and Mark VI Speedtronic turbine automation platforms. This module is responsible for accurately sensing DC armature field current and field voltage from an excitation system’s SCR bridge and providing conditioned, isolated feedback signals to the controller logic. The “1B” revision enhances signal conditioning, isolation robustness, and integration flexibility — making it a dependable choice for turbine generators, power plants, and critical industrial control applications.
Technical Specifications
Parameter
Specification
Model
IS200EDCFG1B
Module Type
DC Feedback Board
System Series
GE EX2100 / Mark VI Speedtronic
Primary Function
DC field current and voltage feedback conditioning
Input Signals
Field current (from shunt/CT), field voltage (from SCR bridge)
External Power Supply
±24 V DC (typical)
Onboard Regulator Outputs
+15 V DC, –15 V DC, +5 V DC
Signal Isolation
Optical fiber digital link to EISB interface
Diagnostic LEDs
PSOK (power OK) indicator
Operating Temp. Range
–30 °C to +65 °C (industrial cabinet environment)
Mounting
Rack backplane or auxiliary I/O panel
Dimensions (H × W × D)
~122 mm × 82 mm × 60 mm (approx.)
Weight
~0.50 kg (approx.)
This board integrates seamlessly into EX2100/Mark VI exciter control racks and interfaces with the EISB (Exciter ISBus Interface) Board for high-speed, isolated communication with the system controller.
Recommended Companion Modules
To build or maintain a full GE EX2100 or Mark VI exciter control system, the IS200EDCFG1B typically works with these boards:
IS200EISBH1A – Exciter ISBus Interface Board
IS200DSPXH1D – Digital Signal Processor (DSP) Board
IS200ACLEH1A/H1B – Application Control Layer Cards
IS200EACFG2A / IS200EACFG3A – AC Feedback Boards
Together these modules provide a complete high-performance feedback and control network for turbine excitation regulation.
Popular GE EX2100 / Mark VI Series Modules
IS200DRLYH1B – Relay Output Terminal Board
IS200ECTBG1A – Current Transformer Bridge Board
IS200ERIOH1A – I/O Regulator Board
IS200BICIH1A – Bridge Controller Interface
IS200EXAMG1A – Excitation Amplifier/Filter Board
These modules are commonly used alongside the DC feedback board to form a robust control infrastructure.
Applications
The GE IS200EDCFG1B board is primarily used in:
Generator excitation systems for power plants
Turbine (gas/steam) speed and excitation control
Stable voltage and current feedback loops
Real-time field current monitoring
Closed-loop control for power quality and generator protection
Its precision signal conditioning ensures that control logic receives accurate, isolated DC feedback for reliable regulation under dynamic load conditions.
Advantages
Accurate DC Feedback Conditioning
Precisely converts raw DC field current and voltage signals into control-ready feedback.
High-Speed Isolation
Utilizes fiber-optic communication to isolate the board from controller and I/O logic, improving noise immunity and electrical safety.
Industrial-Grade Design
Designed to withstand typical industrial cabinet temperatures and electrical environments.
Improved Revision (“1B”) Features
Enhanced signal filtering and isolation compared to earlier revisions for more robust performance in systems with electrical noise.
Diagnostic Indicators
LED status indication simplifies troubleshooting and system health verification.
Technical FAQs
1. What does the IS200EDCFG1B measure?
It measures DC field current and DC field voltage from the excitation SCR bridge and conditions them for controller use.
2. How does it interface with the control system?
Through an optical fiber link to the Exciter ISBus Interface (EISB) board, providing isolated, high-speed communication.
3. What power supply is required?
An external ±24 V DC supply is typically used, with internal regulators providing lower voltages.
4. Does it support long cable runs?
Yes — fiber optic connectivity allows long runs (up to ~90 m with hard-clad silica fiber) between cabinets.
5. What environmental range does it support?
It’s rated for −30 °C to +65 °C, suitable for industrial control cabinets.
6. How is it mounted?
It installs in an EX2100/Mark VI rack backplane or auxiliary panel within the control cabinet.
7. Why is isolated communication important?
Isolation prevents electrical noise and high voltage transients from corrupting feedback signals.
8. What indicators are provided?
A PSOK (power OK) LED indicates proper board power status.
9. Is this revision backward compatible?
The “1B” revision may not be backward compatible with all earlier hardware without matching firmware/communication protocols.
10. Why is DC feedback critical?
Stable DC field feedback is essential for generator voltage regulation and excitation control under varying load conditions.
