{"product_id":"yokogawa-adm51c-2-digital-contact-i-o-module","title":"Yokogawa ADM51C-2 Digital Contact I\/O Module","description":"\u003ch2\u003eYokogawa ADM51C-2 Digital Contact I\/O Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa ADM51C-2\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eADM51C-2\u003c\/strong\u003e Digital \/ Contact I\/O Module, operates as a dedicated hardware component for discrete signal execution within Yokogawa CENTUM CS, CENTUM CS 3000, and CENTUM VP DCS architectures. The module provides isolated digital output handling, contact signal interfacing, pulse generation, and field device control functions.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003eADM51C-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa Electric Corporation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.5 cm x 22.9 cm x 7.6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 600 mA at 5.0 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDigital Output \/ Contact Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eCENTUM CS, CENTUM CS 3000, CENTUM VP DCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of I\/O Points\u003c\/td\u003e\n\u003ctd\u003e16 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eTransistor Contact \/ Open Collector Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Contact Rating\u003c\/td\u003e\n\u003ctd\u003e30 VDC, \u0026lt;= 100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse Width Range\u003c\/td\u003e\n\u003ctd\u003e0.1 to 7,200 seconds configurable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse Width Resolution\u003c\/td\u003e\n\u003ctd\u003e20 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Method\u003c\/td\u003e\n\u003ctd\u003eIndividual point galvanic isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstand Voltage\u003c\/td\u003e\n\u003ctd\u003e500 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eI\/O Module Nest \/ Field Control Unit Sub-rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Connection\u003c\/td\u003e\n\u003ctd\u003eFront connector, M4 terminal blocks, KS series cable assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Signal Isolation and Control Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe ADM51C-2 applies Yokogawa process I\/O design principles for discrete signal processing. Individual channel isolation separates field-side electrical conditions from adjacent points and the control system backplane. The module supports ON\/OFF status output, one-shot pulse output, pulse-width modulation, and time-proportional ON\/OFF control modes.\u003c\/p\u003e\n\u003cp\u003eThe module includes channel-to-channel isolation functions to reduce signal interference during discrete switching operations. The hold\/reset mechanism supports online module replacement procedures by maintaining defined output behavior during maintenance operations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the ADM51C-2 support isolated discrete output operation?\u003cbr\u003eA: Yes. The module provides individual point galvanic isolation for discrete output channels to separate field signals and reduce electrical interference.\u003c\/p\u003e\n\u003cp\u003eQ: What pulse functions are available on the ADM51C-2?\u003cbr\u003eA: The module supports configurable pulse output functions including one-shot pulse, pulse-width modulation, and time-proportional ON\/OFF control.\u003c\/p\u003e\n\u003cp\u003eQ: Can the ADM51C-2 be replaced while the DCS remains online?\u003cbr\u003eA: The module includes a hold\/reset action mechanism intended to maintain controlled signal behavior during online module replacement procedures.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the ADM51C-2 in the specified Yokogawa I\/O Module Nest or Field Control Unit sub-rack.\u003c\/li\u003e\n\u003cli\u003eVerify connector orientation and terminal assignment before applying field wiring.\u003c\/li\u003e\n\u003cli\u003eSeparate low-level signal wiring from high-voltage power cables to minimize electrical noise coupling.\u003c\/li\u003e\n\u003cli\u003eConnect cable shields according to the site grounding standard and avoid multiple grounding points on signal shields.\u003c\/li\u003e\n\u003cli\u003eConfirm field device voltage and current requirements remain within the specified output contact rating.\u003c\/li\u003e\n\u003cli\u003eCheck backplane seating and module locking mechanisms before system startup.\u003c\/li\u003e\n\u003cli\u003eVerify discrete output states after installation through the DCS maintenance and diagnostic functions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43657808609347,"sku":"ADM51C-2","price":234.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/ADM51__2.jpg?v=1751877628","url":"https:\/\/www.plcdcspro.com\/th\/products\/yokogawa-adm51c-2-digital-contact-i-o-module","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}