{"product_id":"honeywell-51204166-175-tdc-3000-digital-output-relay-fta-module","title":"Module relais de sortie numérique Honeywell 51204166-175 TDC 3000 FTA","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned to operate within ruggedized marshalling panels, the Honeywell 51204166-175 is a conformally coated Field Termination Assembly (FTA) that acts as the hardware bridge between digital output processors and high-power field actuators. Engineered as part of the legacy \u003cstrong\u003eHoneywell TDC 3000\u003c\/strong\u003e control system architecture, this Digital Output Relay module provides electrical isolation and heavy-duty switching capabilities for critical process loops. The board is equipped with a \u003cstrong\u003econformal coating\u003c\/strong\u003e (-175 suffix designation) to prevent moisture, dust, and corrosive gas degradation in severe industrial environments. By isolating the sensitive control electronics from field-side electrical noise and voltage spikes, it ensures long-term system integrity and reliable operation.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e16-Channel Relay Outputs:\u003c\/strong\u003e Provides independent dry contact relay outputs for discrete control of solenoids, motor starters, and indicating lights.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConformally Coated PCB:\u003c\/strong\u003e Designed with protective chemical coating to resist chemical vapors, high humidity, and airborne particulates.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGalvanic Isolation:\u003c\/strong\u003e Complete optical and mechanical isolation between the system input\/output processors and field circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard DIN-Rail\/Panel Mounting:\u003c\/strong\u003e Easily integrates into standard TDC 3000 marshalling cabinets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Status Indicators:\u003c\/strong\u003e Individual LED status indicators for diagnostic monitoring of each output channel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003ePetrochemical and oil refining process control systems.\u003c\/li\u003e\n  \u003cli\u003ePower generation plant turbine and boiler auxiliary control.\u003c\/li\u003e\n  \u003cli\u003eWater and wastewater treatment plant discrete valve sequencing.\u003c\/li\u003e\n  \u003cli\u003eHazardous-area marshalling cabinets requiring environmental protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; border: 1px solid #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eSpecification Value\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #2d3748;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eHoneywell\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #2d3748;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003ePart Number \/ SKU\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e51204166-175\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #2d3748;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eSystem Compatibility\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eTDC 3000 \/ Experion UCN Systems\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #2d3748;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eModule Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eDigital Output Relay Field Termination Assembly (FTA)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #2d3748;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eNumber of Channels\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e16 Channels\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #2d3748;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eEnvironmental Protection\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eConformal Coating (ISA S71.04 G3 Compliant)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #2d3748;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eNominal Control Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e24 VDC (System Side)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #2d3748;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eContact Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eElectromechanical Dry Contacts\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #2d3748;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0 to 60 degC (32 to 140 degF)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #2d3748;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eStorage Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e-40 to 85 degC (-40 to 185 degF)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #2d3748;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eHumidity Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e5% to 95% RH (Non-condensing)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #2d3748;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1.00 kg (2.20 lbs)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #2d3748;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e31.0 cm x 15.0 cm x 8.0 cm (12.2\" x 5.9\" x 3.1\")\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eUnited States\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; border: 1px solid #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eConnection Port\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eFunction \/ Assignment\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #2d3748;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eMulti-Pin Cable Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eConnects directly to the Digital Output IOP (Input\/Output Processor) card via standard TDC 3000 system cable.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #2d3748;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eField Terminal Blocks\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eScrew compression terminals accepting wire sizes from 0.5 to 2.5 mm2 (20 to 12 AWG) for field-side relay contacts.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #2d3748;\"\u003eGround Stud\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eChassis ground point to ensure shielding integrity and electrical safety.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1.5rem;\"\u003eThe 51204166-175 is the conformally coated drop-in functional equivalent to the non-coated 51204166-075 version. In harsh industrial settings with trace hydrogen sulfide (H2S), chlorine, or high relative humidity, replacing non-coated assemblies with the -175 variant prevents micro-corrosion on trace lines and relay terminal pins. This card operates seamlessly with Honeywell Digital Output IOP cards such as the HLAI and standard Digital Output processors without requiring modifications to database definitions or control strategy configurations in the Experion or Local Control Network (LCN) environments.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1.5rem;\"\u003eWhen switching highly inductive field loads (such as heavy solenoid valves or magnetic motor starters), engineers must install external arc-suppression devices. For AC-operated circuits, an RC snubber network should be wired in parallel with the load. For DC-operated circuits, a reverse-biased freewheeling diode must be installed. Failure to provide external suppression causes rapid contact erosion, eventual welding of the dry contacts, and high-frequency electrical noise that can propagate back into the UCN control network.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1.5rem;\"\u003eDuring cabinet commissioning, verify that the 24 VDC system power supply feeding the FTA is stable and clean. When routing the pre-fabricated system cable from the IOP card to the 51204166-175, ensure a minimum bend radius of 75 mm is maintained to prevent structural stress on the multi-pin connector headers. All screw terminal connections should be torqued to 0.5 Nm to prevent high-resistance contact points, which can lead to localized thermal issues under maximum load conditions.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0; font-weight: bold;\"\u003eCRITICAL WARNING:\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0.5rem 0 0 0;\"\u003eDisconnect all primary AC and DC power sources feeding both the control rack and the field-side marshalling terminals before executing any installation, removal, or wiring adjustments. Working on energized components poses severe risk of electrical shock, equipment damage, and accidental process trips.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e1\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eVerify that the cabinet DIN rail or mounting plate is secure and properly connected to the plant instrumentation ground system.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e2\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eAlign the FTA chassis mounting clips with the DIN rail and firmly press the unit until it clicks securely into place.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e3\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eConnect the pre-fabricated system interface cable from the respective IOP card slot to the onboard multi-pin connector on the 51204166-175.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 2rem; height: 2rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e4\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eTerminate the individual field-side relay control wires to the labeled terminal block positions, ensuring proper polarization and secure shielding practices.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52705569243499,"sku":"51204166-175","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/51204166-175-h04nmjdllir_11a941a9-f129-403d-b00d-c35433c4ebad.jpg?v=1766650095","url":"https:\/\/www.plcprotech.com\/fr\/products\/honeywell-51204166-175-tdc-3000-digital-output-relay-fta-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}