GE IS200VRTDH1DAB RTD Input Card – Obsolete Mark VI Spare Part

Technical Dossier

Product Details And Specifications

GE IS200VRTDH1DAB RTD Input Card – Obsolete Mark VI Spare Part

When a turbine control system goes down, the clock starts immediately. For plants still operating GE Mark VI or Mark VIe gas turbine control platforms, the IS200VRTDH1DAB VMR RTD Input Card is not a commodity component — it is a load-bearing element of the entire temperature monitoring architecture. GE discontinued this card as part of the broader Mark VI platform phase-out. Replacement is no longer available through OEM channels.

RFQ support for obsolete parts: Send the model number, required quantity and destination so DriveKNMS can confirm sourcing options before quotation.

Technical Specifications

Solving the Discontinued Hardware Crisis

The GE Mark VI platform was the backbone of gas turbine control for power generation and industrial compression facilities throughout the 1990s and 2000s. Tens of thousands of units remain in active service globally. GE's transition to Mark VIe and subsequently to ControlST has left operators of legacy Mark VI systems in a difficult position: OEM support has contracted, spare parts have exited the supply chain, and third-party repair capacity is limited.

The IS200VRTDH1DAB handles RTD-based temperature inputs — exhaust thermocouples, bearing temperature monitoring, inlet temperature sensing — that are directly tied to turbine protection logic. A failed RTD card does not merely generate an alarm. Depending on the plant's trip logic configuration, it can initiate an unplanned shutdown or, worse, mask a genuine over-temperature condition.

Plants that have maintained a structured spare parts inventory for their Mark VI systems have consistently avoided forced upgrade decisions. Those that have not are frequently compelled to undertake capital projects under emergency conditions, at premium cost, with compressed timelines. The IS200VRTDH1DAB is one of the cards that determines which category your facility falls into.

Condition & Reliability Assurance

Obsolete industrial control cards carry risks that standard procurement processes are not designed to detect. Our 5-step QA protocol addresses the failure modes specific to aged electronics:

Key Features for System Maintenance

• Drop-in replacement: The IS200VRTDH1DAB installs directly into the existing VMR rack slot. No hardware modification to the rack or adjacent cards is required.
• No reprogramming required: RTD input configuration is held in the Mark VI controller, not on the card itself. Replacement does not require re-engineering of control logic or I/O configuration.
• Avoids engineering reconstruction costs: Substituting a like-for-like spare eliminates the need for loop re-engineering, re-commissioning, and revalidation that would accompany any platform change.
• Maintains existing safety certification baseline: Plants operating under functional safety standards (IEC 61511 / SIL) can maintain their existing safety case. A platform migration would require a full safety lifecycle review.

Q: Should I buy more than one unit?
A: For any Mark VI system with more than one VMR rack, holding a minimum of two IS200VRTDH1DAB spares is a defensible maintenance position. Given the declining availability of this card in the secondary market, procurement decisions made today will be more favorable than those made under emergency conditions 18 months from now.

Q: Can you source other Mark VI VMR-series cards?
A: Yes. Contact us with your full BOM or card list. We maintain sourcing relationships across the Mark VI I/O card family.