GE IS200AEPCH1ABC – Exciter Protection & Control Card | Mark VI IS200 Turbine Control Platform
Engineering Background
The GE IS200AEPCH1ABC is a dedicated Exciter Protection Card (AEPCH) designed for integration within General Electric’s Mark VI IS200 series turbine control system. Engineered to safeguard generator excitation circuits, this module provides real-time protection logic, analog signal conditioning, and fault-detection capabilities critical to continuous power generation operations. It is a core component in GE’s proven distributed control architecture used across gas turbine, steam turbine, and combined-cycle power plants worldwide.
Product Positioning
Targeted at procurement engineers and maintenance teams managing GE Mark VI-equipped power generation assets, the IS200AEPCH1ABC is a direct OEM-equivalent replacement module. It eliminates the need for full panel retrofits and integrates seamlessly into existing Mark VI IS200 I/O racks, minimizing downtime and engineering rework during maintenance windows.
Complete Technical Specifications
| Part Number | IS200AEPCH1ABC |
| Manufacturer | General Electric (GE) |
| Series / Platform | Mark VI IS200 Turbine Control System |
| Module Function | Exciter Protection Card (AEPCH) |
| Form Factor | PCB Card Module, DIN-rail / rack-mount compatible |
| Weight | 990 g (approx.) |
| Communication Interface | Mark VI IS200 backplane bus |
| Operating Temperature | 0°C to +60°C (standard industrial range) |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% RH, non-condensing |
| Power Supply | Supplied via Mark VI IS200 rack backplane |
| Protection Functions | Exciter over-voltage, under-voltage, loss-of-field, field ground fault detection |
| Signal I/O | Analog input conditioning for excitation feedback signals |
| Compliance | CE, RoHS (OEM specification) |
| Country of Origin | USA |
Proven Application Environments
- Gas Turbine Power Plants — Exciter protection within GE Frame 6, Frame 7, Frame 9 turbine control panels
- Steam Turbine Facilities — Generator excitation monitoring and protection in combined-cycle plants
- Hydroelectric Stations — Exciter field control and fault isolation in hydro generator sets
- Industrial Co-generation — Embedded in Mark VI IS200 control cabinets for on-site power generation
- OEM Retrofit & Spare Parts Programs — Direct replacement in existing Mark VI IS200 I/O racks without firmware reconfiguration
Engineering Advantages
- OEM-Grade Reliability — Manufactured to GE’s original design specifications; no third-party modifications
- Plug-and-Play Compatibility — Direct slot replacement within Mark VI IS200 racks; no additional wiring or adapter required
- Comprehensive Protection Logic — Integrates over-voltage, under-voltage, loss-of-field, and ground fault detection in a single card
- Reduced MTTR — Modular card design enables rapid swap-out, minimizing mean time to repair during unplanned outages
- Long Service Life — Industrial-grade components rated for continuous duty in high-vibration, high-temperature environments
- Firmware Compatibility — Compatible with existing Mark VI IS200 toolset (ToolboxST) without re-engineering
System Architecture & Signal Flow
The IS200AEPCH1ABC resides within the Mark VI IS200 I/O module rack and interfaces directly with the turbine control processor via the IS200 backplane bus. Excitation feedback signals (voltage, current, field ground) are conditioned through onboard analog input circuits, digitized, and transmitted to the Mark VI controller for real-time protection logic execution. Trip outputs are routed through the Mark VI relay output modules to the exciter field breaker and AVR (Automatic Voltage Regulator) interlock circuits.
Signal Flow Summary:
- Exciter feedback signals → IS200AEPCH1ABC analog input conditioning → Backplane bus → Mark VI processor
- Mark VI processor protection logic → Trip/alarm relay outputs → Exciter field breaker / AVR interlock
Sourcing & Quality Verification
- Source: Genuine GE OEM module; sourced from authorized distributors and decommissioned OEM-maintained panels
- Inspection: Each unit undergoes visual inspection, board-level continuity check, and functional verification prior to shipment
- Condition: New surplus or refurbished-to-OEM-spec; condition disclosed per order confirmation
- Traceability: GE part number, revision level, and serial number documented per shipment
- Packaging: Anti-static ESD packaging with foam cushioning; double-boxed for international freight
Procurement Process
- Submit RFQ — Contact support@konmask.com with your part number, required quantity, and delivery timeline
- Receive Quotation — We respond within 1 business day with pricing, lead time, and stock availability
- Order Confirmation — Purchase order accepted via email; proforma invoice issued for payment processing
- Quality Inspection & Dispatch — Unit inspected, documented, and dispatched with full shipping tracking
- After-Sales Support — Technical support available post-delivery for installation verification queries
Technical FAQ
Q: Is the IS200AEPCH1ABC compatible with all Mark VI IS200 rack configurations?
A: Yes. The AEPCH card is designed for the standard Mark VI IS200 I/O rack backplane. Confirm your rack revision with GE ToolboxST before installation.
Q: Can this module be used as a direct replacement without reconfiguring the Mark VI controller?
A: In most cases, yes — provided the replacement unit carries the same revision suffix (H1ABC). Configuration files in ToolboxST do not require modification for same-revision swaps.
Q: What is the lead time for this part?
A: Standard lead time is 3–7 business days for in-stock units. Contact us for expedited options.
Q: Do you provide a warranty?
A: Yes. All units carry a 12-month warranty against manufacturing defects under normal operating conditions.
Q: Can you supply multiple units for a fleet maintenance program?
A: Yes. We support bulk procurement and scheduled delivery programs. Contact our B2B team for volume pricing.
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