{"product_id":"honeywell-mc-tdor12-51309148-175-digital-relay-output-module","title":"Honeywell MC-TDOR12 51309148-175 Digital Relay Output Module","description":"\u003cp\u003eConfigured for high-power field switching in Honeywell Distributed Control System networks, the \u003cstrong\u003eHoneywell 51309148-175\u003c\/strong\u003e (\u003cstrong\u003eMC-TDOR12\u003c\/strong\u003e Digital Relay Output) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eMC-TDOR12 51309148-175\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e46.1 cm x 12.0 cm x 5.5 cm (Size B \/ 12 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBackplane-supplied relay coil drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eElectromechanical Relay (Non-Redundant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e16 Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e120 VAC \/ 125 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Interface\u003c\/td\u003e\n\u003ctd\u003eCompression terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFieldbus Communication \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe MC-TDOR12 Field Termination Assembly isolates digital I\/O processing logic from high-voltage field actuators using physical dry-contact switching. Operating within standard 4-20 mA HART loop protocol cabinet topologies and DCS I\/O links, the board delivers channel-to-channel isolation across all 16 electromechanical relay paths. Integrated surge protection on each contact circuit suppresses switching transients, shielding central control buses from field-side voltage spikes and ground potential shifts.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the maximum response switching latency for the internal relay contacts?\u003c\/p\u003e\n\u003cp\u003eA: The onboard electromechanical relays execute contact transition in less than 10 ms, supporting high-speed safety interlock and process output sequences.\u003c\/p\u003e\n\u003cp\u003eQ: How does the MC-TDOR12 differ from standard low-voltage digital output cards?\u003c\/p\u003e\n\u003cp\u003eA: Standard digital output modules drive low-current 24 VDC logic signals, whereas the MC-TDOR12 uses electromechanical relay contacts to switch higher AC\/DC load voltages up to 120 VAC or 125 VDC.\u003c\/p\u003e\n\u003cp\u003eQ: Can inductive field loads be connected directly to the output terminals?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the contacts handle inductive loads within the rated voltage limits; supplementary external surge suppressors may be placed across field coils to extend physical relay contact service life.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect backplane power and field load supplies prior to seating or replacing the assembly in the marshalling rack.\u003c\/li\u003e\n\u003cli\u003eStrip field conductor insulation according to standard compression terminal specifications to maintain torque retention and prevent short-circuit faults between adjacent channels.\u003c\/li\u003e\n\u003cli\u003eEnsure the cabinet earth ground cable is fastened to the designated grounding lug to maintain protective suppression barriers.\u003c\/li\u003e\n\u003cli\u003eRoute high-voltage AC\/DC output lines through separate cable channels away from sensitive low-voltage DC analog signal conductors to prevent inductive coupling.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52393183904040,"sku":"MC-TDOR12 51309148-175","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/MC-TDOR1251309148-175.png?v=1789552145","url":"https:\/\/www.powerdcs.com\/products\/honeywell-mc-tdor12-51309148-175-digital-relay-output-module","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}