GE DS200TCDAH1BHD | Mark V Digital I/O Board OEM Spare

Description

• Model: DS200TCDAH1BHD
• Brand: GE General Electric
• Series: Mark V Speedtronic Turbine Control
• Functional Acronym: TCDA
• Part Type: Digital I/O Board
• Functional Revision: B
• Hardware Revision: H1
• Artwork Revision: D
• PCB Finish: Conformal coated
• Approx. Dimensions: 2.5 × 26.7 × 25.4 cm
• Estimated Shipping Weight: 0.8 kg / approximately 1.76 lb
• Connectors: Two 50-pin connectors, two 3-pin connectors, plus associated interface connectors depending on board configuration
• Jumpers: 8 hardware jumpers
• Indicators: One block of 10 LEDs plus a side-visible status LED
• What’s in the Box: DS200TCDAH1BHD board; ribbon cables, mounting hardware, PROMs, or terminal-board accessories only when specifically included in the PO
• Packaging: ESD shielding bag, connector protection, moisture control, rigid shock-resistant carton

Current technical records identify DS200TCDAH1BHD as a GE Mark V Digital I/O Board, with revision identifiers B/H/D, eight hardware jumpers, seven connectors, and conformal coating. Secondary inventory records list approximately 0.8 kg and 2.5 × 26.7 × 25.4 cm.

Product Introduction

Structure B — Architecture Hook

Inside a GE Mark V Speedtronic turbine-control cabinet, the DS200TCDAH1BHD operates as the TCDA digital I/O board, handling contact-input information from the associated terminal boards and contact-output information associated with TCRA output boards. Its IONET interface connects the board into the Mark V control network, while the jumper field and PROM-based architecture preserve the site-specific hardware configuration.

That physical architecture is why the complete part number matters. DS200TCDAH1BHD is not simply a generic Mark V digital board; the revision letters and jumper configuration must match the installed application. The board uses a conformal coating intended to protect its circuitry against environmental contamination, but that coating does not eliminate ESD or connector-handling risks (especially during long-term warehouse storage).

Core Technical Specifications

The board is documented as a digital I/O assembly containing a microprocessor, PROM modules, two 50-pin connectors, two 3-pin connectors, eight jumpers, and diagnostic LEDs.Some third-party listings publish conflicting channel counts for this board family, so those figures should not be placed on a compliance datasheet without checking the applicable GE drawing or site configuration.

GE DS200TCDAH1BHD

🚨 Global Compliance & Industry Certifications

• UL/cUL: Do not assign a universal UL or cUL claim to without the applicable GE certification documentation and hardware revision record.
• CE Mark: CE applicability is configuration and market dependent. The board’s presence in a Mark V cabinet does not, by itself, establish a standalone CE declaration.
• ATEX / IECEx: Do not assume hazardous-area certification. Mark V turbine systems can serve installations with hazardous-area equipment, but area classification normally depends on the complete system, cabinet, barriers, field devices, and installation method.
• Marine approvals: No specific DNV approval for this exact revision was established from the accessible technical record.
• Functional safety: Mark V is a turbine-control architecture with dedicated protection functions, but a SIL claim must be tied to the complete engineered protection system rather than inferred from one TCDA PCB.
• Environmental construction: The documented conformal coating provides a physical environmental protection layer on the PCB.
• Audit Documentation: Retain the board nameplate, serial number, revision identifiers, applicable GE documentation, supplier COO, and incoming test report.

Verify specific lot certifications with OEM.

🚨 Long-Term Storage & Asset Preservation Guide

Keep this PCB in ESD shielding packaging for the entire storage period. The contains a microprocessor, PROM devices, connectors, jumpers, and exposed electrical interfaces. Ordinary anti-static foam is not an adequate substitute for a conductive-shielding bag during long-term storage.

Protect the PROM area and jumper field. Do not handle socketed PROMs or move JP1–JP8 merely to inspect the board. Record the original jumper positions photographically, then leave them untouched unless a controlled engineering procedure requires a change.

Control humidity and condensation. Store the board indoors, preferably below 60% RH, with stable temperature and desiccant inside sealed packaging. Inspect the conformal coating, connector contacts, socketed PROMs, and mounting hardware periodically for corrosion or contamination. The coating reduces exposure to airborne contaminants, but moisture can still affect connectors and mechanical interfaces.

Do not energize shelf inventory casually. For a stored Mark V spare, record the serial number, revision, PROM identification, jumper configuration, packaging condition, and last functional-test date. When the turbine finally needs the board, those records can prevent an avoidable configuration error.

Physical Installation Prerequisites

• Cabinet Architecture: Verify the exact Mark V board location and slot assignment before installation.
• Terminal Interfaces: Confirm the associated DS200DTBA / DS200DTBB boards and 50-pin ribbon-cable connections. JQ/JR-related interfaces are particularly important during replacement.
• IONET: Verify the correct IONET connections and node-identification/termination jumper positions against the approved Mark V drawing.
• Jumpers: Photograph and document all eight jumper positions before removing the old board. Match the replacement exactly unless GE documentation specifies otherwise.
• PROMs: Confirm installed PROM identification and application set before energizing the replacement.
• Cooling: Keep the board’s airflow path clear and do not obstruct cabinet ventilation with ribbon cables or wiring bundles.
• Grounding: Verify cabinet protective-earth continuity and board-frame grounding according to the Mark V cabinet drawing.
• ESD: Use a grounded wrist strap and ESD workstation whenever handling the PCB outside its shielding bag.
• Clearance: Preserve sufficient front access for board removal and sufficient rear/side access for ribbon-cable service.
• Field Wiring: Avoid forcing ribbon connectors. Inspect every contact for bending, contamination, or mechanical damage before mating.

GE Mark V documentation and service references emphasize documenting jumper positions before board replacement, while the board’s 50-pin connections interface with the associated terminal-board architecture.

Buyer’s FAQ

Q1. What HS tariff code should be used for GE ?

Do not automatically classify this item as a generic PLC. The is a printed-circuit digital I/O board for a turbine-control system, so classification may fall under the heading for electrical control apparatus or another electronics category depending on the importing jurisdiction.

For customs paperwork, use a precise description such as “GE Mark V Digital I/O Board, TCDA turbine-control PCB” and have the importer or customs broker confirm the final national tariff code. The complete technical description should remain in the customs file.

Q2. What Country of Origin should appear on the COO?

Use the actual manufacturing origin supported by the physical nameplate and traceability records. Some current secondary listings state USA as the origin for this part, but that should not be copied blindly to every unit or revision.

For audit purposes, retain the actual-unit photograph, serial number, supplier declaration, and COO together.

Q3. Should I insure shipment of a ?

For a legacy Mark V turbine-control PCB, yes, shipment insurance is advisable when replacement lead time or inventory availability is uncertain. Protect the board’s card-edge contacts, PROM sockets, connectors, and mounting hardware against impact and electrostatic exposure.

Photograph the complete board, nameplate, PROM area, jumper configuration, and packaging before dispatch. These records are useful for both freight claims and receiving inspection.

Q4. Does a replacement include the latest firmware pre-loaded?

Do not assume it does. Mark V boards can depend on application-specific PROM content and hardware configuration. The replacement should therefore be checked for the correct PROM identification, jumper positions, board revision, and installed turbine-control configuration before commissioning.

Q5. Is a direct drop-in replacement?

For an identical revision and application configuration, it can generally be treated as a like-for-like Mark V board replacement. Do not make that assumption across arbitrary TCDA revisions, however. Before issuing the PO, match , revision markings, PROM contents, jumper settings, connector arrangement, and the turbine’s specific Mark V cabinet documentation.