{"product_id":"is200vrtdh1d-rtd-input-board-ge-mark-vi-vrtd-processing-module","title":"IS200VRTDH1D RTD Input Board GE Mark VI VRTD Processing Module","description":"\u003ch3\u003e\u003cb\u003eProduct Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eGeneral Electric\u003c\/span\u003e \u003cspan style=\"color: #0056b3;\"\u003eIS200VRTDH1D\u003c\/span\u003e\u003c\/b\u003e is a 16-channel Resistance Temperature Device (RTD) Input Board engineered for the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eMark VI\u003c\/span\u003e\u003c\/b\u003e Speedtronic turbine control platform. Functioning as a VRTD processor module, the card delivers 10 mA DC multiplexed excitation current to 3-wire RTD sensor loops via TRTD or DRTD terminal blocks. Featuring 14-bit A\/D conversion, on-board digital signal processors (DSP), and customizable sampling rates up to 25 samples\/second, it performs real-time linearization across 15 standard RTD curve profiles while transmitting digitized temperature telemetry across the VME backplane via the VCMI communication interface.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eManufacturer:\u003c\/b\u003e General Electric (GE)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eIS200VRTDH1D\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProduct Series:\u003c\/b\u003e \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eMark VI\u003c\/span\u003e\u003c\/b\u003e Speedtronic Turbine Control\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBoard Functional Type:\u003c\/b\u003e Resistance Temperature Device (RTD) Processing Board (VRTD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput Capacity:\u003c\/b\u003e 16 Channels (Supports 3-wire RTD elements, divided into Group A and Group B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eA\/D Converter Resolution:\u003c\/b\u003e 14-bit Voltage-Controlled Oscillator (VCO) conversion\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSensor Excitation Current:\u003c\/b\u003e 10 mA DC multiplexed (non-continuous) excitation\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSampling Performance:\u003c\/b\u003e 4 Hz Normal Mode \/ 25 Hz Fast Mode (Selectable per group)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDSP Linearization:\u003c\/b\u003e Pre-programmed support for 15 industrial RTD curve profiles\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLow-Resistance Gain Boost:\u003c\/b\u003e Selectable Gain 2.0 \/ Cu_10.0 settings for sensors below 190 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower Requirements:\u003c\/b\u003e Power consumption less than 12 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBackplane Mounting:\u003c\/b\u003e VME Rack insertion with top\/bottom mechanical locking levers\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCountry of Origin:\u003c\/b\u003e United States (USA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eFunctional Architecture\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eMultiplexed Excitation \u0026amp; Conversion Pipeline\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInjects a 10 mA DC multiplexed current pulse into individual 3-wire RTD loops, preventing continuous sensor self-heating errors.\u003c\/li\u003e\n\u003cli\u003eConverts analog voltage drops into digital frequency trains via a high-precision VCO-type A\/D converter and sample counter array.\u003c\/li\u003e\n\u003cli\u003eProcesses raw counts through an onboard DSP to apply non-linear polynomial corrections tailored to specific RTD metallurgies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eTriple Modular Redundancy (TMR) Co-Processing\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrates across three separate VRTD boards mounted in R, S, and T VME racks when paired with TRTDH1B terminal blocks.\u003c\/li\u003e\n\u003cli\u003eExecutes phase-shifted multiplexing where R, S, and T boards read different RTD pairs simultaneously, eliminating inter-channel interference.\u003c\/li\u003e\n\u003cli\u003eProvides high-frequency decoupling capacitors on all incoming field lines to filter out plant grid electromagnetic noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eSystem Compatibility \u0026amp; Machinery Applications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eIS200VRTDH1D\u003c\/span\u003e\u003c\/b\u003e module slides into standard VME processor racks within GE \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eMark VI\u003c\/span\u003e\u003c\/b\u003e control panels. Instrument mechanics integrate this VRTD card across mission-critical thermal monitoring nodes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy industrial gas turbine compressor discharge and exhaust thermocouple\/RTD arrays.\u003c\/li\u003e\n\u003cli\u003eSteam turbine bearing pad, thrust collar, and lube oil sump temperature monitoring.\u003c\/li\u003e\n\u003cli\u003eGenerator stator winding embedded temperature detector (ETD) loops.\u003c\/li\u003e\n\u003cli\u003eCombined-cycle heat recovery steam generator (HRSG) header thermal sensing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eDiagnostic Capabilities \u0026amp; Field Testing\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFront Panel LED Indicators:\u003c\/b\u003e Continuous status feedback via solid green RUN LED, flashing green FAIL LED, and steady orange Diagnostic Alarm LED.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOut-of-Range Fault Detection:\u003c\/b\u003e Automatically identifies shorted or open sensor loops when signals cross preset hardware boundary thresholds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAutomatic Channel Removal \u0026amp; Restoration:\u003c\/b\u003e Removes faulted channels from the active scan matrix instantly; features a configurable Auto-Reset option to auto-integrate restored RTD loops after 20 seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eL3DIAG Alarm Signal Generation:\u003c\/b\u003e Triggers composite diagnostic alarms (L3DIAG VRTD) visible in System Toolbox, with latching options cleared via RESET DIA commands.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eGlobal PLC Spare HUB's Insight\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eIn high-vibration steam turbine installations, copper RTDs (such as 10 Ω Cu elements) frequently report erratic temperature spikes due to cable resistance drift and contact corrosion. During an emergency plant outage, technicians observed phantom over-temperature trips on an \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eIS200VRTDH1D\u003c\/span\u003e\u003c\/b\u003e card connected to a generator stator. Diagnostics revealed that the Group A gain setting had been left at Normal (1.0) rather than tuned to Gain 2.0 \/ Cu_10.0 for low-resistance elements. Updating the configuration parameters in System Toolbox and verifying 3-wire line balance eliminated the measurement offset completely. Always align group gain settings with sensor metallurgy and verify high-frequency shield grounding at the TRTD block during routine outages.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003ePurchasing Guide\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMatch Terminal Block Cabling:\u003c\/b\u003e Verify whether your cabinet utilizes Simplex (TRTDH1C, 2 cables) or TMR (TRTDH1B, 6 cables) field wiring configurations before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInspect Lever Latches:\u003c\/b\u003e Confirm that your target VME card rack slot features working top and bottom card guides and locking lever receptacles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVerify Gain Parameter File:\u003c\/b\u003e Audit your baseline Speedtronic configuration files to ensure correct Group A\/B gain assignments exist for low-resistance copper RTDs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003ePackage Contents \u0026amp; Logistics\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x General Electric \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eIS200VRTDH1D\u003c\/span\u003e\u003c\/b\u003e RTD Input Board.\u003c\/li\u003e\n\u003cli\u003eESD-safe static shielding packaging.\u003c\/li\u003e\n\u003cli\u003eStandard 12-Month Replacement Warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExpress Global Dispatch:\u003c\/b\u003e Ships worldwide within 24 to 48 hours via FedEx, UPS, or DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions (FAQ)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: What happens to the remaining channels if one RTD sensor develops an open circuit?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: The VRTD processor flags the out-of-range threshold, removes only the affected channel from the active scan sequence, and continues updating the remaining 15 channels without interruption.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: How does the auto-reset parameter behave once a faulty RTD is physically replaced?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: If Auto Reset is enabled, the board automatically validates signal integrity and restores the repaired channel to the active scanning matrix after approximately 20 seconds.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: What is the primary difference between Normal Mode and Fast Mode sampling on this module?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Normal Mode updates at 4 samples per second with enhanced noise rejection, whereas Fast Mode increases throughput to 25 samples per second for rapidly changing thermal zones.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Why do TMR systems require simultaneous, phase-shifted multiplexing across R, S, and T racks?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Phase-shifted multiplexing ensures that R, S, and T boards excite different RTD pairs at any given millisecond, preventing cross-channel loading and maximizing measurement accuracy.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: What carrier options are provided for emergency plant shutdown orders?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Orders are packed in anti-static materials and dispatched within 24 to 48 hours using priority global carriers including FedEx, UPS, and DHL.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/IS200VRTDH1D_2.png?v=1787301264\" alt=\"\"\u003e\u003c\/p\u003e","brand":"GE","offers":[{"title":"Default Title","offer_id":45373602922678,"sku":"IS200VRTDH1D","price":163.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/IS200VRTDH1D.jpg?v=1787301248","url":"https:\/\/www.plcsparehub.com\/products\/is200vrtdh1d-rtd-input-board-ge-mark-vi-vrtd-processing-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}