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Product Overview
The GE IS200TCASH1A is a Core Analog (CA) terminal board used in the GE Mark VI turbine control system. It provides the field termination interface for core analog signals and is installed as part of the turbine control and I/O architecture. Available GE spare-parts references identify this board as a CA Simplex Terminal Board, with IS230PCAAH1A listed as a newer replacement part in some applications.
Its primary role is signal termination and routing rather than independent control processing. For maintenance teams, this distinction matters: the terminal board works with the associated control and I/O electronics, so replacement should be based on the complete Mark VI configuration, wiring arrangement, and hardware revision. The board is commonly encountered in gas-turbine maintenance inventories and legacy Speedtronic Mark VI support programs.
Technical Specifications — IS200TCASH1A
| Parameter | Value |
|---|---|
| Product Model | IS200TCASH1A |
| Manufacturer | GE |
| Product Type | Core Analog Terminal Board |
| System | GE Mark VI |
| Board Configuration | CA Simplex Terminal Board |
| Primary Function | Analog signal termination and routing |
| Power | Supplied by associated Mark VI system |
| Communication / Protocol | System-dependent |
| Operating Temperature | Verify against GE Mark VI installation documentation |
| Mounting | Mark VI control cabinet / system rack |
| Dimensions (H × W × D) | Verify from original GE drawing |
| Weight | Verify by physical unit and packaging |
| Typical Interfaces | Core analog field wiring and control-system connections |
| Replacement Reference | IS230PCAAH1A may supersede this board in applicable configurations |
GE IS200TCASH1A
Key Features and Benefits — IS200TCASH1A
- Designed for GE Mark VI turbine control applications.
- Provides termination and signal routing for core analog circuits.
- Simplex architecture for compatible Mark VI installations.
- Suitable for maintenance replacement of existing legacy terminal boards.
- Compact circuit-board construction supports cabinet-level turbine control integration.
- Useful as a lifecycle spare where the original Mark VI equipment remains in service.
- IS230PCAAH1A is reported as a newer replacement for the original CA simplex terminal board in some GE turbine spare-parts references.
Related Models
GE IS230PCAAH1A — Newer PCAA/Core Analog assembly identified as the replacement for certain applications using the older CA terminal board.
GE IS200TCATH1A — Core Analog TMR terminal board intended for redundant Mark VI configurations.
GE IS200TBAIH1C — Analog input terminal board used within the Mark VI turbine control architecture.
GE IS200TBCIH1C — Contact input terminal board for discrete field signal termination.
Installation and Maintenance — IS200TCASH1A
GE IS200TCASH1A
Before replacement, isolate the relevant Mark VI cabinet and follow the site’s electrical safety and lockout procedures. Photograph the existing wiring, terminal identification, board revision, and connector positions before removal.
Inspect terminals for loose connections, corrosion, heat discoloration, and damaged conductors. Because this is a field termination board, incorrect wiring can produce misleading process signals even when the associated control electronics remain healthy.
Personally, I would verify the complete GE part number and revision level against the turbine’s wiring documentation before approving a substitute or newer replacement.
Product Warranty — IS200TCASH1A
Warranty terms depend on the supplier, condition, and purchase agreement. For critical turbine-control spares, procurement records should include the exact part number, hardware revision, condition, inspection or test report, and applicable warranty period. The GE IS200TCASH1A should be matched against the installed Mark VI architecture before installation.
