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      MC-TDIA72

      Thirty-Two-Channel 120 Vac Digital Input FTA
      In Stock
      Ships by Saturday, November 7
      Fast Shipping Available
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      Product Describe：

      Honeywell MC-TDIA72 is a Thirty-Two-Channel 120 Vac Digital Input FTA. It optically isolates high-voltage field states and connects them to TPS Process Manager digital-input processing.

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      Technical specifications for MC-TDIA72

      • Manufacturer:
        Honeywell
      • Product Category:
        DCS Systems
      • Spare Part Number:
        51303930-150
      • Estimated shipping dimensions:
        46.2x12x5.5cm
      • Weight:
        1.32 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Input channels:
        32
      • Nominal input:
        120 Vac
      • Input range:
        90 to 132 Vac
      • Frequency:
        47 to 63 Hz
      • Isolation:
        1500 Vac rms; +/-1500 Vdc
      • Isolation method:
        Optical
      • On current:
        5.2 mA minimum
      • Off current:
        1.47 mA maximum
      • Input delay:
        25 ms maximum
      • On field resistance:
        100 ohm maximum
      • Off field resistance:
        71 kohm minimum
      • Terminal type:
        Screw
      • Plug-in isolators:
        None
      View as PDF Ask for Quote

      Information

      Overview Manuals Common Applications Product Precautions
      Honeywell MC-TDIA72 is a 32-channel 120 Vac digital-input field termination assembly. It optically isolates high-voltage field states and connects them to TPS Process Manager digital-input processing.
      • Terminates thirty-two high-voltage discrete inputs
      • Optically isolates field states from TPS electronics
      • Detects 120 Vac contact and powered-input conditions
      • Routes grouped digital status to the matched processor

      MC-TDIA72 installs with TPS digital-input processor, FTA-to-IOP cable, 120 Vac field-contact circuits, Screw-terminal cabinet wiring in an engineered TPS Process Manager I/O configuration.

      The commissioning workflow covers installed-hardware matching, controlled start-up and functional verification for this thirty-two-channel 120 vac digital input fta.

      Important Notice: Confirm the complete MC-TDIA72 marking, installed-system configuration, field connections and controlled functional test before commissioning or replacement.

      Apter Power MC-TDIA72 Manuals and Guides
      Apter Power MC-TDIA72 Product Technical Reference PDFApter Power MC-TDIA72 Installation and Verification PDF
      The first document is an Apter Power model-specific technical reference. The second supports model-specific installation, configuration and engineering verification.
      Motor-starter running feedbackTerminates thirty-two high-voltage discrete inputs
      Switchgear auxiliary contactsOptically isolates field states from TPS electronics
      Heater and burner permissivesDetects 120 Vac contact and powered-input conditions
      High-voltage package status inputsRoutes grouped digital status to the matched processor
      Read the applicable Honeywell installation instructions before work. Verify MC-TDIA72 and the installed TPS Process Manager I/O configuration.
      1Verify the complete MC-TDIA72 marking and its assigned TPS Process Manager I/O position before work.
      2Isolate the energy associated with TPS digital-input processor before disconnecting MC-TDIA72.
      3Protect the MC-TDIA72 connectors and electronic assembly using approved ESD controls.
      4Record the as-found FTA-to-IOP cable connections and configured assignment before replacement.
      5Confirm 120 Vac field-contact circuits matches the approved installation record for MC-TDIA72.
      6Restore MC-TDIA72 under controlled conditions and review its model-specific diagnostics.
      7Complete a documented functional test for motor-starter running feedback before release.

      Technical notes

      De-energize all 120 Vac inputs, segregate the wiring from low-voltage signals and verify every channel crosses the documented on/off thresholds before enabling interlocks.

      FAQ View All FAQ

      • Which companion hardware must be checked when replacing MC-TDIA72?
        Verify TPS digital-input processor, FTA-to-IOP cable and 120 Vac field-contact circuits against the approved cabinet and project record before fitting the Thirty-Two-Channel 120 Vac Digital Input FTA.
      • What wiring information should be recorded before removing MC-TDIA72?
        Record terminal identifiers, polarity or phase, shields, cable tags and the as-found channel or port assignment for MC-TDIA72.
      • How should engineers validate MC-TDIA72 after configuration?
        Restore the documented TPS Process Manager I/O assignment, review diagnostics and run a controlled test of its role: terminates thirty-two high-voltage discrete inputs.
      • Can MC-TDIA72 be moved to a different slot or duty without review?
        No. Confirm keying, companion hardware and the approved configuration before assigning MC-TDIA72 to another position or function.
      • Which technical value is especially important during MC-TDIA72 commissioning?
        Verify Isolation is 1500 Vac rms; +/-1500 Vdc and use the named manufacturer procedure for the controlled functional test.
      • What should be checked if MC-TDIA72 does not support switchgear auxiliary contacts after installation?
        Check seating, FTA-to-IOP cable, 120 Vac field-contact circuits, field energy and the model-specific diagnostics before replacing additional hardware.
      • What evidence should be retained after MC-TDIA72 returns to service?
        Retain the full model identity, as-left connections, configuration, diagnostic result and the final controlled test record for motor-starter running feedback.
      • How is MC-TDIA72 identified before installation in a TPS Process Manager I/O cabinet?
        Match the full MC-TDIA72 marking and part number 51303930-150 to the assigned position and installed TPS digital-input processor.
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