GE IS200ERIOH1AAA ERIO Exciter Regulator I O Board For EX2100 EX2100e Generator Excitation Control System
- Product Code: IS200ERIOH1AAA
- Availability: In Stock
GE IS200ERIOH1AAA ERIO Exciter Regulator I/O Board For EX2100 / EX2100e Generator Excitation Control System
Manufacturer: GE Vernova / GE Gas Power
Part Number: IS200ERIOH1AAA (ERIO Exciter Regulator I/O Board, H1A full assembly variant)
Product Type: Double-wide slide-in rack I/O interface board, core signal processing board for EX2100 excitation regulator ERBP backplane
Matching Platform: GE Speedtronic Mark VI / Mark VIe gas/steam/hydro turbine EX2100 generator excitation control rack, matched with ECTBG2 analog terminal board & EPCT discrete terminal board
Core Function: Unified system & customer I/O signal interface for simplex / redundant excitation regulator; analog signal sampling (4–20mA, ±10V), discrete DI/DO signal conditioning; dual P1/P2 backplane connectors for SRTP redundant Ethernet communication with main EGP controller; signal surge & EMI filtering, channel open/short circuit fault diagnosis; front panel toggle switch & multi-group running/fault LED indicators; isolated signal circuit design, support hot standby redundant regulator switching logic
1. Product Overview
IS200ERIOH1AAA (ERIO = Exciter Regulator Input/Output Board) is the core I/O signal processing board dedicated to GE EX2100 / EX2100e generator excitation control systems, installed on the ERBP excitation regulator backplane and works with terminal assemblies ECTBG2 (analog) and EPCT (discrete) to complete field excitation signal collection and control output.
It supports both simplex single regulator and dual hot-standby redundant excitation control architectures, acting as the signal bridge between the main EGP excitation CPU and all field excitation sensors, valve positioners, breaker status feedback, trip interlock signals and excitation pulse drive outputs.
The board adopts double-wide slot structure, equipped with front panel toggle switch for local mode switching, multiple LED status lamps to display board running state, communication link health and channel fault alarms. Two independent P1/P2 rear backplane connectors realize dual redundant SRTP Ethernet communication with the rack main controller, guaranteeing uninterrupted data interaction during single link failure.
Built-in multi-stage surge absorption and RC EMI filter circuits, 1500VAC isolation between field I/O and backplane control circuits to eliminate ground loop interference. Each analog/discrete channel integrates open-circuit and short-circuit self-diagnosis logic, uploading fault codes to the main excitation controller for real-time alarm display. Full IPC-CC-830 conformal coated PCB, industrial anti-corrosion and moisture-proof design, suitable for long-term stable operation in high-EMI power plant excitation cabinet environments. It cannot operate independently and must be matched with ERBP backplane, EGP main control board and corresponding terminal boards to form a complete excitation regulation system.
This module is standard spare hardware for old Mark VI / EX2100 generator sets, widely used for excitation cabinet renovation, signal channel fault replacement and routine maintenance.
2. Complete Technical Specifications
• Compatible System: EX2100 / EX2100e excitation control rack, Mark VI / Mark VIe turbine control platform
• Mounting Carrier: ERBP Exciter Regulator Backplane, double-wide single slot plug-in
• Matched Terminal Boards: ECTBG2 analog signal terminal base, EPCT discrete I/O terminal base
• Signal Types Processed: 4–20mA analog current, ±10V analog voltage, 24VDC sink/source discrete DI/DO
• Backplane Communication: Dual redundant SRTP 10/100Mbps Ethernet via P1/P2 connectors
• Isolation Rating: 1500VAC isolation between field signal side and controller backplane side
• Redundancy Support: Simplex single regulator, dual hot standby redundant regulator switching logic
• Front Panel Components: Mode toggle switch, Run OK, Link A/B, Fault channel LED indicators
• Diagnostic Functions: Analog channel over/under range detection, discrete channel open wire / short circuit fault alarm, fault code upload to EGP CPU
• Power Supply Input: 28VDC rack logic power, typical power consumption ~6.2W
• Operating Temperature: Industrial grade 0℃ ~ +60℃ continuous ventilation cabinet operation
• Storage Temperature: -40℃ ~ +85℃; Relative Humidity: 5% ~ 95% RH non-condensing
• Mechanical Dimension: Double-wide Mark VI rack board, overall weight ~1.14kg
• PCB Protection: Full IPC-CC-830 conformal coating, anti-static industrial circuit board
• Compliance Standards: IEC 61000 industrial EMC anti-interference standard, UL508 industrial control equipment safety specification
3. Core Hardware Advantages
1. Integrated analog + discrete mixed I/O processing, single board completes all excitation system field signal conversion and conditioning, reducing cabinet internal board quantity
2. Dual P1/P2 redundant Ethernet backplane communication, single network link failure will not interrupt excitation control data interaction, high system operation reliability
3. Support both simplex and hot standby dual redundant regulator architectures, flexible configuration for different generator unit safety requirements
4. Full-channel signal self-diagnosis + front panel visual LED alarm, fast positioning of field wiring and sensor faults to shorten maintenance downtime
5. High isolation circuit + full conformal coated anti-corrosion PCB, stable continuous operation in harsh power plant excitation cabinet environments with strong electromagnetic interference
4. Typical Application Scenarios
• Thermal power plant Mark VI gas turbine EX2100 generator excitation cabinet core mixed I/O signal processing board
• Combined cycle power plant steam turbine EX2100e redundant excitation regulator ERBP rack ERIO interface board
• Hydropower station generator excitation control rack field voltage/current/temperature signal acquisition spare board
• Petrochemical self-owned power station Mark VIe unit excitation interlock & trip signal I/O processing module
• Old EX2100 excitation cabinet transformation, daily analog/discrete channel fault replacement spare IS200ERIOH1AAA board
GE Vernova © IS200ERIOH1AAA ERIO Exciter Regulator I/O Board For EX2100 Generator Excitation Control System