{"product_id":"adm52-2-s4-yokogawa-contact-output-i-o-card","title":"ADM52-2 S4 Yokogawa Contact Output I\/O Card","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa ADM52-2 S4\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eADM52-2\u003c\/strong\u003e Contact Output I\/O Card, operates as a dedicated hardware component for high-density discrete switching signal distribution within Yokogawa DCS platforms. It provides 32 contact output channels to execute Form C relay switching for field solenoids, relays, and status indicators based on host backplane commands.\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\u003eADM52-2 S4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\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\u003e0.12 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e20.3 cm x 11.8 cm x 1.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSub-rack backplane powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Density\u003c\/td\u003e\n\u003ctd\u003e32 output channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Type\u003c\/td\u003e\n\u003ctd\u003eForm C relay contacts (NO \/ NC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Switching Voltage (AC)\u003c\/td\u003e\n\u003ctd\u003e250 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Switching Current (AC)\u003c\/td\u003e\n\u003ctd\u003e1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Switching Voltage (DC)\u003c\/td\u003e\n\u003ctd\u003e30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Switching Current (DC)\u003c\/td\u003e\n\u003ctd\u003e100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Isolation\u003c\/td\u003e\n\u003ctd\u003eRelay contact physical isolation to backplane logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Termination\u003c\/td\u003e\n\u003ctd\u003e32-point high-density connector interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe ADM52-2 S4 incorporates mechanical isolation between contact switching loops and internal system backplane logic, preventing high-voltage field transients and inductive switching spikes from corrupting logic circuits. When deployed in Yokogawa DCS chassis alongside process control boards processing 4-20 mA HART loop protocol signals, the isolated output structure prevents common-mode noise transfer across shared sub-rack buses. This isolation design preserves current loop accuracy and continuous HART digital communications across neighboring analog input and output cards during high-frequency relay activation cycles.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the Form C contact topology function on the ADM52-2 S4?\u003c\/p\u003e\n\u003cp\u003eA: Each output channel provides both normally open (NO) and normally closed (NC) physical contacts with a shared common terminal, allowing versatile interlock logic wiring per channel.\u003c\/p\u003e\n\u003cp\u003eQ: What are the primary switching limits for AC and DC electrical loads?\u003c\/p\u003e\n\u003cp\u003eA: The internal relays support switching capacities up to 250 VAC at 1 A for alternating current circuits and up to 30 VDC at 100 mA for direct current circuits.\u003c\/p\u003e\n\u003cp\u003eQ: Can the ADM52-2 S4 output card be removed under system power?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping depends on host nest chassis features; external relay load voltage must be de-energized prior to card removal to avoid field arcing or unintended output tripping.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Precautions:\u003c\/strong\u003e Wear a grounded anti-static wrist strap before touching the module to prevent electrostatic discharge damage to internal components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Alignment:\u003c\/strong\u003e Align card edges with rack enclosure guides and insert firmly into the backplane connector until fully seated; secure locking mechanisms if present.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Shielding and Grounding:\u003c\/strong\u003e Terminate multi-conductor cable overall drain wires at a single point on the cabinet earthing bar to prevent noise propagation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Routing:\u003c\/strong\u003e Route field contact wiring in separate raceways away from low-level analog signal cables and communication buses to suppress electromagnetic interference.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53312704610613,"sku":"ADM52-2 S4","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/ADM52-2_403c0959-171d-449c-84f3-0f10adfa6a92.jpg?v=1786949383","url":"https:\/\/www.5gplc.com\/products\/adm52-2-s4-yokogawa-contact-output-i-o-card","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}