{"product_id":"mc-tdoy22-honeywell-51204162-175-digital-output-modules","title":"MC-TDOY22 Honeywell 51204162-175 Digital Output Modules","description":"\u003ch2\u003eHoneywell MC-TDOY22 Digital Output Termination Assembly\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell MC-TDOY22\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eMC-TDOY22\u003c\/strong\u003e Digital Output Field Termination Assembly, operates as a dedicated hardware component for digital output termination and distribution within Experion PKS, TDC 3000, and TPS control systems. Configured for high-density loop management, the unit routes 24 VDC discrete control signals directly from upstream I\/O processors to external solid-state field switches and actuators.\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-TDOY22 (Part Number: 51204162-175)\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\u003eFactory standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e308 x 121 x 55 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eDetermined by active 24 VDC external loop distribution loads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eDigital output termination and distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels Supported\u003c\/td\u003e\n\u003ctd\u003e32 digital output channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eSolid-state digital switching\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Output Current\u003c\/td\u003e\n\u003ctd\u003eUp to 1 A per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel and channel-to-system isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN-rail or cabinet installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Features\u003c\/td\u003e\n\u003ctd\u003eShort-circuit, overcurrent, and surge suppression\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe field termination assembly integrates distinct channel-to-channel isolation networks alongside channel-to-system isolation barriers to halt ground loop currents. This physical separation prevents localized field wiring short-circuits from disrupting neighboring 4-20 mA HART loop protocol circuits or causing voltage sags on the host system backplane. Each of the 32 channels features independent microsecond-level solid-state digital switching response paths and dedicated overcurrent clamping components.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the current carrying limitations per channel under continuous operations?\u003c\/p\u003e\n\u003cp\u003eA: Each digital output channel handles a maximum solid-state switching current of up to 1 A, subject to ambient thermal constraints defined by the system cabinet environment.\u003c\/p\u003e\n\u003cp\u003eQ: Can an engineer replace or swap the active I\/O modules connected to this termination board during live operation?\u003c\/p\u003e\n\u003cp\u003eA: While the field termination board itself is a passive distribution layout, you must isolate the corresponding 24 VDC power lines and output channels before servicing or replacing upstream active electronic boards to prevent inductive voltage transients.\u003c\/p\u003e\n\u003cp\u003eQ: What specific on-board hardware protection components mitigate field-side inductive voltage spikes?\u003c\/p\u003e\n\u003cp\u003eA: The board includes integrated surge suppression networks and short-circuit protection circuits dedicated to each channel to clamp electrical noise and high-voltage transients.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate all external 24 VDC loop power sources before mounting the module to prevent electrical short-circuits.\u003c\/li\u003e\n\u003cli\u003eGround the assembly base plate directly to the master instrument grounding rail using a low-impedance copper strap.\u003c\/li\u003e\n\u003cli\u003eSecure the card assembly firmly to the standard DIN-rail or cabinet mounting grid using the integrated physical lock tabs.\u003c\/li\u003e\n\u003cli\u003eRoute the 32 discrete digital output field lines in separate, shielded cable ducts away from high-power variable frequency drive (VFD) power loops.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HONEYWELL","offers":[{"title":"Default Title","offer_id":43866388430947,"sku":"MVC-TDOY22","price":676.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/268.2_f796dadf-5ae3-4004-a021-71a0560f3b6a.jpg?v=1764657434","url":"https:\/\/www.autocontrolglobal.com\/products\/mc-tdoy22-honeywell-51204162-175-digital-output-modules","provider":"AutoControl Global","version":"1.0","type":"link"}