{"product_id":"mu-tdor12-honeywell-digital-relay-output-board","title":"MU-TDOR12 Honeywell Digital Relay Output Board","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell MU-TDOR12\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51309148-125\u003c\/strong\u003e Digital Relay Output Board, operates as a dedicated hardware component for 32-channel relay-based discrete signal switching within Honeywell Series 8 and Experion PKS platforms.\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\u003eMU-TDOR12 (Part Number: 51309148-125)\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\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive field relay coil bus load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Density\u003c\/td\u003e\n\u003ctd\u003e32 relay output channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal (19.2-30 VDC range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 V RMS field-to-logic, 500 V RMS group-to-group\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Response Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;=0.1 ms ON\/OFF typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe digital relay output board provides galvanic separation across output groups to isolate discrete field actuators from control logic backplanes. With 1500 V RMS field-to-logic dielectric withstand capability, high-voltage inductive spikes from solenoid coils or contactors are contained directly at the terminal stage. This suppression prevents transient noise propagation and ground potential shifts from interfering with high-accuracy analog signals operating on 4-20 mA HART loop protocol connections in adjacent system slots.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the MU-TDOR12 support hot-swapping under powered rack conditions?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the board features a hot-swappable architecture that allows insertion and removal without interrupting main system power or backplane communication to adjacent modules.\u003c\/p\u003e\n\u003cp\u003eQ: What are the primary isolation boundaries across the output terminals?\u003c\/p\u003e\n\u003cp\u003eA: The board provides 1500 V RMS galvanic isolation between field terminal connections and internal logic circuitry, along with 500 V RMS isolation between output channel groups.\u003c\/p\u003e\n\u003cp\u003eQ: What is the typical response delay for channel state execution?\u003c\/p\u003e\n\u003cp\u003eA: The output channel switching response time is \u0026lt;=0.1 ms typical for both ON and OFF transition states.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the module locking levers are fully disengaged before inserting the board into the designated rack slot.\u003c\/li\u003e\n\u003cli\u003ePush the card horizontally into the guide rails until the rear backplane connectors make contact, then seat the latches securely.\u003c\/li\u003e\n\u003cli\u003eTighten the module retaining screws to secure chassis grounding and prevent mechanical loosening under operational vibration.\u003c\/li\u003e\n\u003cli\u003eVerify external field power remains within the 19.2 to 30 VDC range before energizing connected relay load circuits.\u003c\/li\u003e\n\u003cli\u003eDress output field wiring with strain relief mechanisms, separating 24 VDC discrete lines from sensitive analog input wiring.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52406952263976,"sku":"MU-TDOR12 51309148-125","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/MU-TDOR1251304443-100.png?v=1789716246","url":"https:\/\/www.powerdcs.com\/es\/products\/mu-tdor12-honeywell-digital-relay-output-board","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}