{"product_id":"honeywell-mu-tdid12-51304441-100-digital-input-fta-module","title":"Honeywell MU-TDID12 51304441-100 Digital Input FTA Module","description":"\u003cp\u003eConfigured for discrete field status monitoring and voltage-level detection in PM\/APM\/HPM controller architectures, the \u003cstrong\u003eHoneywell MU-TDID12\u003c\/strong\u003e (\u003cstrong\u003e51304441-100\u003c\/strong\u003e Digital Input Module) provides direct physical\/electrical execution across 32 field channels. It conditions 24 VDC binary signals from field switches and contacts, optical isolation barriers, and noise-filtering circuits to transfer discrete IO states to the DCS backplane within a maximum processing delay of 2.0 ms.\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-TDID12 (51304441-100)\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\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\u003e20-30 VDC Field Input Range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e32 Digital Input Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 VAC rms or +\/-1500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSense Current\u003c\/td\u003e\n\u003ctd\u003eON: 4.5 mA min \/ OFF: 2.8 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Thresholds\u003c\/td\u003e\n\u003ctd\u003ePick-Up (ON): 20 VDC min \/ Drop-Out (OFF): 10 VDC max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Frequency\u003c\/td\u003e\n\u003ctd\u003eDC to 15 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e2.0 ms max filter and isolation delay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurge Compliance\u003c\/td\u003e\n\u003ctd\u003eANSI\/IEEE C37.90.1-1978\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation \u0026amp; Signal Protection\u003c\/h3\u003e\n\u003cp\u003eThe MU-TDID12 (51304441-100) utilizes removable plug-in optical isolators to establish a 1500 VAC rms \/ +\/-1500 VDC isolation barrier between field-side wiring and internal process manager buses. This architecture isolates sensitive controller electronics from field-induced transients, common-mode noise, and ground loops. Channel-to-channel isolation safeguards individual processing paths, preventing cross-talk and high-voltage surge propagation from impairing adjacent discrete inputs or disturbing parallel 4-20 mA HART loop protocol wiring within shared marshalling panels.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Are individual optical isolators on the MU-TDID12 field-replaceable while maintaining system integrity?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the assembly integrates socketed, removable plug-in isolators that permit single-channel maintenance without disassembling the primary circuit board or disconnecting field wiring terminals.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle voltage transients generated by field contact switching?\u003c\/p\u003e\n\u003cp\u003eA: Each input channel complies with ANSI\/IEEE C37.90.1-1978 surge withstand capability standards, suppressing voltage spikes before signal propagation through the 2.0 ms input filter circuit.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the Field Termination Assembly (FTA) securely on standard cabinet DIN rail structures or mounting channels.\u003c\/li\u003e\n\u003cli\u003eVerify field supply voltage remains within the 20-30 VDC operating window prior to energizing input loops.\u003c\/li\u003e\n\u003cli\u003eTerminate incoming field wiring at designated screw terminals, ensuring cable shields tie to the system ground bus at a single cabinet point.\u003c\/li\u003e\n\u003cli\u003eMaintain physical separation between 24 VDC digital input signal cables and high-voltage AC power lines to prevent electromagnetic interference.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52378696712488,"sku":"MU-TDID12 53104441-100","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/MU-TDID1253104441-100.png?v=1789369872","url":"https:\/\/www.powerdcs.com\/ar\/products\/honeywell-mu-tdid12-51304441-100-digital-input-fta-module","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}