{"product_id":"mu-tdiy22-51204160-125-honeywell-digital-input-module","title":"MU-TDIY22 51204160-125 | Honeywell | Digital Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51204160-125\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eMU-TDIY22\u003c\/strong\u003e Digital Input Module, operates as a dedicated hardware component for 32-channel discrete signal acquisition and system status monitoring within Honeywell Series 8 and Experion PKS architectures.\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-TDIY22\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\u003e~0.45 kg (shipping weight 2 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard rack-mount profile\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\u003e~4 mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e51204160-125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDigital Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e32 isolated digital inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal (18 to 26.4 VDC ON state)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput OFF Voltage\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;=5.0 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Voltage\u003c\/td\u003e\n\u003ctd\u003e30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;=8 ms typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGalvanic Isolation\u003c\/td\u003e\n\u003ctd\u003e2 kV AC for 1 min (signal to system); 500 V AC for 1 min (between commons)\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; Loop Connectivity\u003c\/h3\u003e\n\u003cp\u003eDesigned for discrete signal processing, this module features robust galvanic isolation barriers rated at 2 kV AC between input signals and the backplane system, plus 500 V AC isolation between commons grouped every 16 channels. The 24 VDC input stage filters high-frequency industrial noise to prevent false contact triggering, while maintaining signal integrity across extended 4-20 mA HART loop field cable runs sharing common cable trays.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the MU-TDIY22 support hot-swapping during live rack operation?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module features a hot-swappable hardware architecture that allows physical insertion or removal without removing system power or interrupting controller operations on adjacent rack slots.\u003c\/p\u003e\n\u003cp\u003eQ: What are the threshold voltages for defining ON and OFF logic states?\u003c\/p\u003e\n\u003cp\u003eA: An input ON state requires a voltage between 18 VDC and 26.4 VDC, while an input OFF state is registered when the terminal voltage drops to 5.0 VDC or lower.\u003c\/p\u003e\n\u003cp\u003eQ: How are the 32 input channels isolated from each other across the terminal points?\u003c\/p\u003e\n\u003cp\u003eA: Galvanic isolation of 500 V AC for 1 minute is maintained between commons, with channels arranged in isolated groups of 16.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify that the rack mounting slot is clean and free of debris before inserting the module edge connectors.\u003c\/li\u003e\n\u003cli\u003eSecure all field wiring to the designated screw compression terminals, keeping 24 VDC discrete wiring separate from high-voltage AC cables to minimize noise coupling.\u003c\/li\u003e\n\u003cli\u003eMaintain a single-point ground connection for all cable shield drain wires at the main cabinet ground bus bar.\u003c\/li\u003e\n\u003cli\u003eVerify that field voltage levels do not exceed the 30 VDC maximum rating under peak power supply tolerance conditions.\u003c\/li\u003e\n\u003cli\u003eUtilize anti-static wrist grounding straps when handling unmounted modules to prevent static discharge to exposed backplane pins.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52397867532584,"sku":"MU-TDIY22 51204160-125","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/MU-TDIY2251204160-125.png?v=1789627059","url":"https:\/\/www.powerdcs.com\/products\/mu-tdiy22-51204160-125-honeywell-digital-input-module","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}