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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power can help source IS200VRTDH1D and provide applicable General Electric documentation for established Mark VI temperature-measurement systems.

        IS200VRTDH1D

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        1001 reviews ｜ Need a Specific Revision?
        General Electric IS200VRTDH1D is a Mark VI VME RTD input board that converts 16 three-wire temperature channels for transfer through the VME backplane to the turbine controller.
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        Ships by Wednesday, October 28
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Technical specifications for IS200VRTDH1D

        • Manufacturer:
          General Electric
        • Part Number:
          IS200VRTDH1D
        • Product Family:
          GE Mark VI Gas Turbine Control
        • Product Type:
          RTD Input Board
        • Stock:
          1
        • Channels:
          16 three-wire RTD inputs
        • Input grouping:
          Two groups of eight channels
        • Supported RTD materials:
          Platinum, copper, and nickel
        • RTD nominal values:
          10, 100, and 200 ohm platinum; 10 ohm copper; 120 ohm nickel
        • Input span:
          0.3532 to 4.054 V
        • A/D resolution:
          14 bit
        • Normal scan:
          250 ms (4 Hz)
        • Fast scan:
          40 ms (25 Hz)
        • Power consumption:
          Less than 12 W
        • Common-mode rejection:
          60 dB at 50/60 Hz
        • Common-mode voltage:
          +/-5 V
        • Maximum lead resistance:
          15 ohms two-way
        • Fault detection:
          Hardware and software high/low limit checks
        • Data interface:
          VME backplane to VCMI and controller
        • Redundancy support:
          Simplex and TMR with applicable TRTD hardware
        • Tariff Code:
          8538900000
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Channel Setup RTD Processing Fault Diagnosis Product Applications

        Features:

        • Sixteen three-wire RTD channels are acquired through one VME processing board.
        • Normal and fast scan choices support different temperature-response and noise-rejection needs.
        • Automatic fault isolation removes an out-of-range loop without suppressing the remaining channels.
        The two eight-channel groups in IS200VRTDH1D can be tuned independently for their installed sensor population, allowing one rack position to support temperature loops with different gain and timing requirements.

        A 14-bit conversion path preserves useful temperature resolution while the Mark VI software applies the selected RTD curve and system limits to each configured input.

        Maintenance teams can use the board diagnostics to separate an abnormal field circuit from healthy neighboring measurements and to control whether a repaired point returns automatically or manually.

        For legacy Mark VI temperature-monitoring projects, Apter Power can source and support General Electric IS200VRTDH1D RTD Input Board beyond the manufacturer lifecycle.
        General Electric IS200VRTDH1D RTD Input Board Manuals, Datasheets, Links Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

        IS200VRTDH1D Channel Configuration

        • RTD selection: Assign the applicable platinum, copper, nickel, or ohms mode to every used input.
        • Sampling choice: Select filtered normal scanning or 25 Hz fast scanning according to the required response and interference environment.
        • Group gain: Configure each eight-channel group for normal, higher-accuracy, or copper-RTD gain where the sensor range permits.
        • System limits: Enable and define software alarm limits independently from the board hardware out-of-range checks.

        IS200VRTDH1D RTD Signal Processing

        • VCO conversion: The conditioned RTD input is converted into a counted-frequency representation for digital processing.
        • Grouped acquisition: Excitation and signal paths are sampled in two independent groups of eight inputs.
        • Software linearization: Supported RTD resistance curves are converted into temperature engineering values in the Mark VI processing chain.
        • Noise rejection: Normal scanning can be synchronized to the selected 50 or 60 Hz power-system filter.

        IS200VRTDH1D Fault Diagnosis

        • Open or short circuit: An input outside the hardware limits points to a field-loop, terminal, or sensor condition that requires isolation.
        • Scan removal: A failed loop is removed from acquisition so it does not adversely affect the other temperature channels.
        • Recovery path: Auto Reset can restore a repaired point after the specified interval, while manual reinstatement remains available.
        • Common-cause review: Simultaneous errors across a group should trigger inspection of shared termination, cable shielding, and group settings.

        IS200VRTDH1D Product Applications

        • Turbine bearing temperatures: Acquires three-wire RTD measurements assigned to bearing and rotating-equipment temperature monitoring.
        • Generator auxiliaries: Brings applicable equipment temperature loops into the Mark VI controller when the project I/O schedule assigns VRTD channels.
        • Steam-turbine supervision: Supports the temperature-monitoring portion of the documented Mark VI governor and protection architecture.
        • Condition alarms: Supplies digitized temperature values for application logic that compares operating conditions with configured limits.
        Description
        IS200VRTDH1D is the General Electric VRTD processing board used in a Mark VI turbine-control VME rack for resistance-temperature measurements. It receives conditioned signals from the associated TRTD termination hardware, digitizes the temperature data, and passes the results through the VME backplane for control and monitoring functions.

        The sixteen-channel architecture of IS200VRTDH1D is divided into two groups of eight inputs. Each group can be configured for the required sampling behavior and RTD gain, allowing the installed temperature loops to be handled according to their sensor type and response requirements rather than as one undifferentiated bank.

        Supported sensor linearizations on IS200VRTDH1D include platinum, copper, and nickel RTDs. The board uses voltage-to-frequency conversion and software linearization so resistance measurements can be represented as temperature values while retaining channel-specific configuration.

        Diagnostic handling is an important part of the IS200VRTDH1D signal path. Inputs outside the hardware limits are removed from scanning to prevent an abnormal loop from disturbing other channels; a repaired channel can return automatically after the documented recovery interval or be reinstated manually.
        Alternative Names
        IS200-VRTD-H1D IS200 VRTD H1D IS200VRTDHID IS2OOVRTDH1D IS200VRTDHlD GE IS200VRTDH1D GE Mark VI IS200VRTDH1D Speedtronic IS200VRTDH1D
        Technical notes
        IS200VRTDH1D groups its RTD inputs across two TRTD connections; preserve that grouping when tracing a common channel fault.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        How can a site avoid losing channel behavior when replacing IS200VRTDH1D?
        Record the gain and scan-rate selection for both eight-channel groups, the configured RTD type for every used point, and the connected TRTD arrangement before removing IS200VRTDH1D.
        Why can one failed temperature loop affect maintenance decisions even if the other IS200VRTDH1D channels still read normally?
        IS200VRTDH1D removes an input that exceeds its hardware limits from the scan. Check the field sensor, lead resistance, terminal connection, and channel status before assuming the processing board has failed.
        Before removing IS200VRTDH1D, which installation records should be captured?
        For IS200VRTDH1D, compare the configured RTD linearization and gain with the installed sensor material and nominal resistance; a valid electrical reading can still produce the wrong engineering value when the sensor selection is mismatched.
        When is the fast scan setting appropriate for IS200VRTDH1D?
        Use the documented 25 Hz mode on IS200VRTDH1D only where the application requires faster response; preserve the 50/60 Hz filtered normal mode for loops designed around noise rejection.
        How should technicians investigate several noisy IS200VRTDH1D channels at once?
        Inspect shared termination hardware, shield routing, grounding practice, connector seating, and cabinet noise sources before replacing multiple sensors, because the affected IS200VRTDH1D points may share a common signal path.
        Can an open-circuit channel return automatically after wiring is repaired on IS200VRTDH1D?
        Yes. IS200VRTDH1D can automatically reinstate a repaired channel after the documented recovery period when Auto Reset is enabled; otherwise the point can be restored manually.
        What evidence helps distinguish an IS200VRTDH1D board problem from a field RTD problem?
        Compare the raw resistance or loop condition at the TRTD terminals with IS200VRTDH1D channel diagnostics, then check whether the fault follows the field loop or remains with the processing channel.

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