Description
GE IS200HSLAH2ADE | HS Serial Link Interface Board | Mark VI Turbine Control
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric |
| Model | IS200HSLAH2ADE |
| Functional acronym | HSLA |
| Product family | Mark VI Speedtronic |
| Board type | HS Serial Link Interface Board |
| Functional role | High-speed serial-link interface |
| Mark VI grouping | Group 2 |
| Revision quantity | 3 documented revisions |
| Revision compatibility | First two revisions reported as backward-compatible; verify exact hardware revision |
| PCB construction | Components mounted on both board surfaces |
| FPGA | FPGA identified at U1 |
| Transformers | 2 × Halo TG 110-EO 50N5 reported |
| Inductors | 6 reported on board |
| Front faceplate | None |
| Standard VME rack mounting | Not identified as a standard VME front-panel board |
| Exact operating voltage | Not reliably verified |
| Exact serial-link electrical specifications | Verify against GE system documentation |
The strongest available identification describes the IS200HSLAH2ADE as an HS Serial Link Interface Board for the GE Mark VI turbine control system. The board has a compact PCB construction, a jack-style interface, two transformers, six inductors and an FPGA, with additional signal-conditioning and protection components on the reverse side.
Product Introduction
The GE IS200HSLAH2ADE is a Mark VI HS Serial Link Interface Board used within GE’s Speedtronic turbine-control architecture. Its primary role is interface and high-speed serial communication rather than conventional analog signal acquisition. The board is therefore better understood as a specialized Mark VI communication/interface PCB than as a general-purpose I/O module.
The compact board does not use the typical front-panel arrangement associated with standard Mark VI VME rack boards. Hardware identification is especially important because the IS200HSLAH2ADE includes a three-level revision history, and available documentation indicates that revision compatibility is not universal across all versions.
IS200HSLAH2ADE
Application Scenarios & Field Pitfalls — Engineer’s Perspective
Engineering Pain Point
The main replacement challenge is identifying the board by its complete part number and revision, rather than purchasing a visually similar HSLA board. Public listings frequently mix the HSLA interface function with unrelated speed-signal and high-speed analog-input descriptions.
Typical Applications
- GE Mark VI turbine control systems — specialized serial-link interfacing within Speedtronic control architecture.
- Gas and steam turbine control — communication/interface hardware supporting the larger Mark VI control system.
- Legacy turbine maintenance — replacement of failed interface PCBs without changing the complete control architecture.
- Plant spare-parts inventory — maintaining a correctly identified HSLA board for an existing Mark VI installation.
Technical Pitfalls to Avoid
- Do not classify it as a generic analog-input module. One current listing describes it as an eight-channel high-speed analog-input board with ±10 V, 4–20 mA, RTD and thermocouple inputs, but those specifications are not supported by the stronger HSLA identification.
- Do not assume every HSLA revision is interchangeable. The documented part family contains three revision levels, with compatibility reported only between the first two. Match the complete hardware marking before installation.
- Do not apply generic 24 VDC or temperature specifications from reseller pages. Available secondary sources publish contradictory electrical data, so the exact system documentation should control acceptance.
- Inspect the serial-link connectors and board protection circuitry. The board contains transformers, inductors, FPGA logic and numerous protection components; connector damage or transient-related failures can appear as communication faults elsewhere in the turbine-control system.
Related Products
- GE IS200HSLAH2A — closely related HSLA serial-link interface board; complete revision and system compatibility must be checked.
- GE IS215HSLAH2A — related HSLA hardware designation appearing in Mark-series inventories; not an automatic drop-in replacement.
- GE IS200HSLAH1A — different HSLA configuration; channel/interface architecture must be verified before substitution.
- GE IS200HFPAG1ADB — Mark VI high-frequency power-supply board; different electrical function.
- GE IS200ICBDH1A — Mark VI control/interface PCB; different functional architecture.
- GE IS200ICIAH1A — Mark VI Innovation I/O board; not a direct substitute for HSLA.
- GE IS200TRLYH1B — Mark VI termination relay board; used for relay field interfacing rather than serial-link communication.
- GE IS200STCIH6A — Mark VI contact-input terminal board; different field-interface function.
Procurement Note
For GE IS200HSLAH2ADE, specify the complete identification:
— GE Mark VI HS Serial Link Interface Board — HSLA.
Before replacement, verify the board revision, artwork revision, connector arrangement, host Mark VI assembly, application architecture and installed companion boards. Do not approve an alternative simply because the seller describes it as a “communication board.”
The safest technical classification is Mark VI HS Serial Link Interface Board, not high-speed analog input, speed-signal terminal board, PLC communication module, or generic Ethernet interface.
