Description
GE IS200VPWRH1AHD — Mark VI VPRO Power/Subassembly Board
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | IS200VPWRH1AHD |
| Manufacturer | General Electric |
| Control Platform | Mark VI |
| Functional Family | VPRO |
| Board Family | IS200VPWRH1A |
| Product Type | VPRO power/subassembly PCB |
| Primary Application | Turbine protection assembly |
| Associated Assembly | IS215VPRO family |
| Board Position | Upper/top board of the documented VPWR/VPRO subassembly |
| Board-to-Board Connection | Four standoff-mounted connections are documented for the base VPWRH1A assembly |
| Main Board Connectors | Two 64-position female connectors |
| Additional Connector | One 3-position rear connector |
| Front Interface | Right-angle cable connector assembly |
| Indicator Hardware | LED indicators on the front-facing portion |
| Backplane | No conventional backplane connection reported for the base assembly |
| Exact H1AHD Configuration | Verify against OEM documentation/nameplate |
| Auxiliary Power Ratings | Verify before installation |
| I/O Assignment | Not treated as conventional process I/O |
| Firmware | System/assembly dependent |
The documented IS200VPWRH1A is described as the top board of a VPRO subassembly and connects to a lower board through four standoffs. It also includes two 64-position connectors, a 3-position rear connector, a right-angle front connector, and associated LED hardware.
Product Introduction
The GE IS200VPWRH1AHD belongs to the Mark VI VPRO hardware family used in GE turbine protection systems. The documented IS200VPWRH1A base board is a component of the VPRO assembly rather than a conventional analog input, analog output, or standalone power-supply module. It is associated with the IS215VPRO assembly and forms part of the hardware used by the turbine emergency-protection architecture.
For procurement, the complete GE IS200VPWRH1AHD designation should be retained. Public references reliably document the IS200VPWRH1A family, but do not provide enough authoritative information to assign the additional HD suffix a separate electrical specification. Therefore, voltage, current, temperature, and interface claims should be verified from the actual board documentation or nameplate rather than copied from generic reseller descriptions.
IS200VPROH1BEF
Application Scenarios & Field Pitfalls (Engineer’s Perspective)
The IS200VPWRH1AHD is relevant to GE Mark VI turbine emergency-protection cabinets, VPRO protection assemblies, gas-turbine protection systems, and legacy Speedtronic maintenance. The board’s role is tied to the VPRO assembly, so replacing it requires consideration of the complete protection hardware rather than treating it as an independent PLC or analog measurement card.
Field pitfalls:
- Do not classify it as a generic analog measurement module. Several online listings make this claim, including specifications for ±10 V, 4–20 mA, Ethernet, and high-speed sampling. Those specifications are not supported by the stronger Mark VI VPRO references and should not be used for procurement.
- Do not treat VPWR as a standalone power supply. The documented IS200VPWRH1A is a board/subassembly within the VPRO assembly, with board-to-board and front-faceplate connections.
- Match the complete suffix. The difference between IS200VPWRH1A, IS200VPWRH1AFB, IS200VPWRH1AGB, IS200VPWRH1AGC, and IS200VPWRH1AGD is procurement-relevant. The Mark VI catalog distinguishes these references as separate VPWR variants.
- Verify the complete VPRO assembly. Before replacement, check the associated VPRO board, lower-board assembly, connectors, faceplate, cabinet position, and turbine protection configuration.
- Inspect surplus hardware carefully. Because this is legacy turbine-control hardware, connector condition, heat-related PCB damage, capacitor condition, corrosion, and previous repair work are more useful inspection points than cosmetic appearance.
- Perform functional protection testing. A board that powers correctly is not automatically proven suitable for turbine protection service. Follow the plant-approved procedure for VPRO diagnostics and protection-system validation before returning the equipment to operation.
Related Products
- — Base VPWR board reference; documented as a subassembly/component of the IS215VPRO assembly.
- GE IS200VPWRH1AFB — Related VPWR configuration; exact hardware compatibility must be checked.
- GE IS200VPWRH1AGB — VPRO subassembly board variant; not automatically equivalent to H1AHD.
- GE IS200VPWRH1AGC — Another VPWR configuration within the Mark VI family.
- GE IS200VPWRH1AGD — Related VPWR PCB variant; verify complete configuration before substitution.
- GE IS200VPROH1B — VPRO protection-card family associated with the turbine emergency-protection system.
- GE IS200VPROH2B — H2B VPRO protection-card variant; similar functional family but not an automatic replacement for the VPWR board.
- GE IS215VPROH2BC — VPRO assembly associated with the documented board.
- GE IS200TPROH1B — Related turbine-protection terminal hardware used within the broader VPRO protection architecture.
- GE IS200TREGH1B — Associated turbine emergency-protection terminal hardware.
Procurement Note
For IS200VPWRH1AHD, use the exact identification:
The safest procurement approach is to verify the H1AHD suffix, board revision, VPRO assembly number, cabinet location, connector arrangement, and mating VPRO hardware. I would not approve a replacement based on online descriptions calling this an “analog measurement module” or assigning it generic 4–20 mA, Ethernet, or power-quality specifications. Those descriptions are not consistent with the documented /VPRO architecture.
