{"product_id":"honeywell-51304439-175-mc-tdia12-isolated-digital-input-board","title":"Honeywell 51304439-175 MC-TDIA12 Isolated Digital Input Board","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51304439-175\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eMC-TDIA12\u003c\/strong\u003e Isolated Digital Input Board, operates as a dedicated hardware component for signal processing and termination within distributed control systems.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe unit designation separates the manufacturer part number \u003cstrong\u003e51304439-175\u003c\/strong\u003e from the base module identifier \u003cstrong\u003eMC-TDIA12\u003c\/strong\u003e, denoting a 32-channel isolated digital input configuration engineered for 120 VAC industrial signal management.\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\u003e51304439-175 MC-TDIA12\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\u003e1.14 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e46.2 cm x 12 cm x 5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive Termination Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Input Channels\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\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\u003eChannel-to-Channel Isolation and HART Loop Interfacing\u003c\/h3\u003e\n\u003cp\u003eThe module maintains robust channel-to-channel isolation across all 32 input paths to suppress common-mode transient voltages and prevent ground loops in high-density 120 VAC environments. Signal routing architecture guarantees stable digital state acquisition, integrating cleanly with standard control loop network protocols and instrumentation grounding practices without introducing signal jitter or voltage drop.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the wiring constraints when connecting 120 VAC signals to the compression terminals?\u003c\/p\u003e\n\u003cp\u003eA: Field wiring must use properly rated insulation for 120 VAC circuits, with power removed prior to securing conductors into the compression terminal blocks to prevent electrical shock or terminal damage.\u003c\/p\u003e\n\u003cp\u003eQ: How does the board handle high channel density without cross-talk?\u003c\/p\u003e\n\u003cp\u003eA: Internal galvanic isolation boundaries and physical trace separation prevent electrical noise propagation between adjacent channels during simultaneous high-speed switching events.\u003c\/p\u003e\n\u003cp\u003eQ: What precautions are necessary for cabinet grounding?\u003c\/p\u003e\n\u003cp\u003eA: The mounting chassis must be bonded directly to the enclosure ground bus using low-impedance braided copper straps to maintain system-level electromagnetic compatibility.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the isolated digital input board securely onto a designated panel backplane or DIN structure inside a NEMA-rated enclosure. Route all 120 VAC field wiring separately from low-voltage analog communication cables, and ensure proper separation distances to minimize inductive coupling and electromagnetic interference (EMI).\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":48403225772222,"sku":"51304439-175 MC-TDIA12","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/51304084-175-MC-TPIX12-2.jpg?v=1785807227","url":"https:\/\/www.autooiltech.com\/products\/honeywell-51304439-175-mc-tdia12-isolated-digital-input-board","provider":"AutoOilTech Limited","version":"1.0","type":"link"}