IS200TRPAH1AFB

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The IS200TRPAH1AFB model is one of the Mark VI Turbine Specific Primary Trip I/O Pack Terminal Boards produced by General Electric. It is used with PTUR units. The nominal power supply used with this model is 28.0 Vdc.

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  • Part Number: IS200TRPAH1AFB
  • SKU: IS200TRPAH1AFBGBTC
  • Manufacturer: GE Boards & Turbine Control
  • Series: Mark VI IS200

IS200TRPAH1AFB Technical Specifications

Part Number IS200TRPAH1AFB
Series Mark VI IS200 Turbine Control System
Manufacturer General Electric Boards and Turbine Control
Instruction Guide GEH-6721
Functional Acronym/Abbreviation TRPA
Model Type Turbine Specific Primary Trip
Voltage Detection Inputs Max 140 VDC
Contact Output Nominal 24 Vdc

Frequently Asked Questions about IS200TRPAH1AFB

What is the functional description of the IS200TRPAH1AFB model?

According to the GEH-6721 Mark VIe Control System Hardware Guide, the IS200TRPAH1AFB model is described as an Aeroderivative Turbine Primary Trip Board that works in conjunction with TTUR terminal boards or PTUR/YTUR I/O packs. When working with the PTUR/YTUR or TTUR boards, it can produce a variety of inputs and outputs. For all of the available inputs, and outputs, refer to the aforementioned manual.

There are two main application types that the IS200TRPAH1AFB model can be used; what are those applications?

The two applications are the connection of the TTUR board to hold up to three YTUR or PTUR I/O packs through three cables with DC-37 pin connectors on each end. In this mode of operation, the IS200TRPAH1AFB model will provide dual contact voted trip relay outputs, four voltage sensors, and ESTOP outputs. The TTUR model will provide the typical set of features. This model's speed inputs will not be active, and under no circumstances should they be connected with this board arrangement. This model can also be used with the chosen I/O packs mounted directly to the TRPA unit; when used in this mode the speed inputs are used to provide active paths into the I/O pack which allows for an individual terminal board primary to the trip solution of the model.

About the IS200TRPAH1AFB

The IS200TRPAH1AFB model is labeled a Turbine Primary Trip model as part of the Mark VI series. The Mark VI series, and thus the IS200TRPAH1AFB model, was manufactured by General Electric. The TRPA model is used with YTUR or PTUR I/O packs and TTUR terminal boards. It is used to produce different inputs and outputs. Some of the inputs and outputs of the TRPA model are twelve passive pulse rate devices that will sense a toothed wheel; the toothed wheel measures the turbine speed; depending on the system type the IS200TRPAH1AFB model is used with, there can be six active pulse rate inputs when used in Triple Modular Redundant sections, two for each of the TMR sections. Another I/O type that the TRPA model will produce is one 24-125 Vdc fail-safe ESTOP input which can remove power from associated trip relays. 

There are specific models that the IS200TRPAH1AFB model can be used with based on the board revision. This model can be used with IS20PTUR models, but due to its H1A revision, it cannot be used with IS200YTUR models. There are slight functional differences between the IS200TRPAH1AFB and TRPAH2A models; this model has a 24 Vdc output contact rating, while the TRPAH2A models have an output contact rating of 125 Vdc. 

During the operation of the IS200TRPAH1AFB model failures can occur. If the model is being used in 240 Vac applications, the most likely cause for failure is due to inadvertent connections between the 125 Vdc and ac voltage creation. When creation occurs with the dc and ac voltages, the sum of the peak ac voltage and the 125 Vdc will be applied to MOVs connected between the ground and the dc voltage. When being used in 120 Vac applications, however, the MOV rating is able to withstand the peak voltage without a failure occurring. 

Reviews For IS200TRPAH1AFB

Internal Review
(4.0)

One of the downsides of this unit is the speed pickups. The speed pickups on the TRPA model are only supported when being used with an I/O pack and cannot be supported through the J/S/R/T 4 connectors. For more information on how the speed pickups will work in conjunction with the associated I/O pack, refer to the GEH-6721 instruction manual. - AX Control Tech

Repair Services For IS200TRPAH1AFB

Type Lead Time Price Action
Repair Service 1-2 weeks $980

Our highly skilled technicians can repair your IS200TRPAH1AFB. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.
All PLCs, HMIs, and Turbine Control Boards: 3 Years
All AC/DC and Servo Drives: 2 Years
All Motors: 1 Year
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