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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power assists with IS200VAICH1C quotations and provides access to official General Electric analog I/O board documentation for technical review.

        IS200VAICH1C

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        With twenty analog inputs and four outputs, the General Electric IS200VAICH1C VME Analog Input/Output Board serves SPEEDTRONIC Mark VI simplex or TMR installations.
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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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        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
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        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for IS200VAICH1C

        • Manufacturer:
          General Electric
        • Part Number:
          IS200VAICH1C
        • Product Family:
          GE Mark VI Gas Turbine Control
        • Product Type:
          VME Analog Input/Output Board
        • Stock:
          1
        • Analog input channels:
          20
        • Analog output channels:
          4
        • Total channels:
          24 with two terminal boards
        • Input spans:
          4-20 mA, ±1 mA, ±5 VDC, ±10 VDC
        • Input impedance:
          250 Ω at 4-20 mA; 5 kΩ at ±1 mA
        • Input conversion:
          16-bit A/D converter with 14-bit resolution
        • Normal scan rate:
          100 Hz (10 ms)
        • Fast scan rate:
          200 Hz on inputs 1-4
        • Measurement accuracy:
          Better than 0.1% of full scale
        • J3 hardware filter:
          Single pole at 500 rad/s
        • J4 hardware filter:
          Two poles at 72 and 500 rad/s
        • Software low-pass filter:
          0, 0.75, 1.5, 3, 6, or 12 Hz
        • Common-mode rejection:
          60 dB AC at 60 Hz; 80 dB DC
        • Common-mode voltage:
          ±5 V; ±2 V CMR on ±10 V inputs
        • Output conversion:
          12-bit D/A converter; 0.5% accuracy
        • 4-20 mA output load:
          500 Ω through the VAICH1C generation
        • 200 mA output load:
          50 Ω
        • Operating temperature:
          0 to 60°C
        • LED indicators:
          RUN, FAIL, STATUS
        • Terminal-board compatibility:
          TBAIH1B or earlier; all DTAI revisions
        • 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 I/O Architecture Signal Conditioning Diagnostics Applications

        Features:

        • Converts twenty field inputs to digital data and regulates four analog output channels on one Mark VI VME board.
        • Supports simplex or triple modular redundant signal paths through paired TBAI terminal boards.
        • Provides a dedicated 200 Hz path on the first four inputs for faster turbine-protection measurements.
        Ten inputs and two outputs terminate on each TBAI board, keeping the field-side channel split consistent across the J3 and J4 cable connections.

        Loop transmitters may use the terminal board's 24 VDC excitation or an independent supply, so powered and externally powered instruments can share the analog interface.

        The exact IS200VAICH1C assembly is listed for Class I, Division 2, Groups A, B, C, and D, T4 locations when it is installed within the approved Mark VI configuration.

        For installed-base maintenance, Apter Power can source the General Electric IS200VAICH1C VME Analog Input/Output Board for compatible SPEEDTRONIC Mark VI racks.
        General Electric IS200VAICH1C VME Analog Input/Output 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.

        Field-interface arrangement

        • Terminal-board split: Each TBAI board carries ten analog inputs and two analog outputs.
        • Cable paths: J3 and J4 connect the VME board to the two field terminal assemblies.
        • Input grouping: Sixteen channels accept standard current or voltage signals, with separate ranges assigned to the remaining four paths.
        • Excitation choice: Two-wire transmitters can be powered from the Mark VI 24 VDC source or from an independent supply.
        • Redundant routing: A TMR installation fans each field signal to the R, S, and T processor racks.

        Filtering and measurement behavior

        • Accepted spans: Channel configuration covers 4-20 mA, ±1 mA, ±5 VDC, and ±10 VDC signals.
        • J3 filtering: The first cable group uses a single hardware pole at 500 rad/s.
        • J4 filtering: The second cable group applies two hardware poles at 72 and 500 rad/s.
        • Software selection: Low-pass corner choices are 0, 0.75, 1.5, 3, 6, or 12 Hz.
        • Noise rejection: Common-mode rejection is 60 dB for 60 Hz AC and 80 dB for DC.

        Fault recognition and isolation

        • LED interpretation: RUN flashes green during normal execution, FAIL shows a solid red board fault, and STATUS turns orange for an active board alarm.
        • Hardware limits: Exceeding a fixed channel limit sets the composite L3DIAG_VAIC signal and suspends scanning of the affected input.
        • System limits: Configurable high and low thresholds may be reset independently through RESET_SYS logic.
        • TMR comparison: The voter identifies a channel whose value departs from the other two by more than the configured percentage of span.
        • Output supervision: D/A commands, measured current, total current, scaling relays, and the suicide relay are monitored for consistency.
        • Hardware identity: A terminal-board catalog or revision mismatch is reported before incompatible field hardware is placed in service.

        Compressor-protection use

        • LM turbine arrangement: Two compressor-discharge pressure transducers feed the high-speed input group for stall detection.
        • Heavy-duty arrangement: Three pressure measurements provide the corresponding detection channels on larger turbine packages.
        • Decision variables: The logic evaluates both an absolute PS3 decrease and the rate of pressure change, dPS3dt.
        • Protective response: When the configured criteria are met, the board's measurements support trip coordination through the controller and relay outputs.
        Description
        Analog conversion for SPEEDTRONIC Mark VI gas- and steam-turbine control racks is handled by the General Electric IS200VAICH1C VME Analog Input/Output Board, which links field circuits with the VCMI/controller path.

        Current and voltage measurements passing through IS200VAICH1C are converted to digital values for control processing, while commanded values return through its D/A path as regulated customer output currents.

        In triple modular redundant service, terminal-board signals fan out to R, S, and T racks, with one IS200VAICH1C in each path. If one output channel becomes faulty, that board is removed from participation and the remaining two continue producing the selected current; a simplex arrangement uses one board for the complete output current.

        As the final member of the earlier VAIC generation, IS200VAICH1C operates with TBAIH1B or earlier terminal boards and with every DTAI revision. This compatibility boundary distinguishes it from the later VAICH1D generation.
        Revisions

        Revision Part #

        Also known as

        IS200VAICH1C
        IS200VAICH1-C, Series C, Rev C
        Get Parts Quote
        Alternative Names
        IS200 VAIC H1C IS200-VAIC-H1C IS2OOVAICH1C IS200VA1CH1C IS200VAICHIC GE IS200VAICH1C General Electric IS200VAICH1C Mark VI IS200VAICH1C
        Technical notes
        IS200VAICH1C accepts online I/O configuration downloads and tune-up commands without stopping the board, allowing controlled adjustment while the Mark VI system remains in service.
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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
        What should be checked before installing IS200VAICH1C in an existing Mark VI rack?
        Confirm that IS200VAICH1C will connect to TBAIH1B or an earlier TBAI board, or to any DTAI revision; do not assume compatibility with the later TBAIH1C/STAI generation.
        Why does IS200VAICH1C report the L3DIAG_VAIC composite alarm?
        A hardware input limit has been exceeded. The affected IS200VAICH1C channel stops scanning until the signal is corrected and the latched diagnostic is reset.
        How should a TMR disagreement on IS200VAICH1C be investigated?
        Compare the three voted channel values and review the configured TMR_DiffLimit as a percentage of span before replacing IS200VAICH1C.
        What happens when an IS200VAICH1C analog output fault persists?
        Persistent output-path faults can operate the suicide relay, disconnecting the faulty IS200VAICH1C output so healthy TMR channels remain in control.
        Why can IS200VAICH1C reject a replacement terminal board?
        The terminal-board ID chip must match the configured hardware. A part-number or hardware-revision mismatch is reported by IS200VAICH1C and should be corrected before service.
        What should be verified if IS200VAICH1C does not enter RUN after installation?
        De-energize the rack, reseat IS200VAICH1C, tighten its captive screws, latch J3 and J4 securely, then review RUN, FAIL, and STATUS indications after power is restored.
        How can IS200VAICH1C be used when a turbine protection loop needs faster sampling?
        Route the required signals to inputs 1 through 4 on IS200VAICH1C for 200 Hz acquisition; the remaining channels use the normal 100 Hz scan.

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