{"product_id":"contact-output-module-yokogawa-adm52-1-centum-vp","title":"Contact Output Module | Yokogawa ADM52-1 CENTUM VP","description":"\u003ch2\u003eYokogawa ADM52-1 Contact Output Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for discrete load switching in CENTUM VP and ProSafe-RS platforms, the \u003cstrong\u003eYokogawa ADM52-1\u003c\/strong\u003e (\u003cstrong\u003eADM52\u003c\/strong\u003e Contact Output Module) provides direct physical\/electrical execution. The assembly houses 8 isolated Form A (normally open) dry contact relay channels designed to actuate external solenoid valves, motor starters, audible alarms, and trip circuits. Operating directly off the I\/O rack backplane, the unit converts digital logic commands from the main processor into isolated mechanical contact closures, isolating internal control electronics from field-side voltage transients and switching noise.\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\u003eADM52-1\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\u003e2 kg net (3 kg shipping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e125 mm W x 130 mm H x 248 mm D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5 W (via backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e8 isolated contact outputs (Form A, normally open)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Load Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC \/ 110 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Switching Current\u003c\/td\u003e\n\u003ctd\u003eUp to 2 A per channel (resistive load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Material\u003c\/td\u003e\n\u003ctd\u003eGold-plated silver alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003eLess than or equal to 10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003eGalvanic isolation, 1500 VAC withstand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e500 Mohm minimum at 100 VDC\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 \u0026amp; Channel-to-Channel Isolation Integration\u003c\/h3\u003e\n\u003cp\u003eThe ADM52-1 module provides galvanic isolation rated at 1500 VAC between field contact circuits and internal backplane logic, preventing high-voltage inductive surges from degrading adjacent 4-20 mA HART loop protocol signal paths or CJC (cold junction compensation) reference buses within the same I\/O rack. Gold-plated silver alloy contact surfaces minimize initial contact resistance, preventing oxidation during low-current diagnostic sensing. Channel-to-channel physical separation restricts capacitive coupling, allowing high-density digital switching alongside sensitive analog telemetry cards without introducing crosstalk or signal distortion.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the module handle high inductive voltage spikes when driving relay coils or solenoids?\u003c\/p\u003e\n\u003cp\u003eA: While the internal contacts feature a 1500 VAC galvanic isolation barrier to protect the system backplane, field technicians must install external flyback diodes across DC inductive loads or RC snubbers across AC loads to suppress arc discharge and prevent contact welding.\u003c\/p\u003e\n\u003cp\u003eQ: What are the backplane insertion limitations regarding hot-swapping the ADM52-1 card?\u003c\/p\u003e\n\u003cp\u003eA: Field replacement requires powering down the field-side load voltages on the terminal block prior to removing the module from the I\/O baseplate to prevent arcing across the backplane connector pins during disengagement.\u003c\/p\u003e\n\u003cp\u003eQ: Can the Form A outputs be reconfigured in software to operate as normally closed (Form B) contacts?\u003c\/p\u003e\n\u003cp\u003eA: No. The channel outputs are fixed Form A dry contacts with physical normally open relay switches. Reverse logic must be executed within the CENTUM VP or ProSafe-RS control logic configuration software.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive Load Suppression:\u003c\/strong\u003e Install free-wheeling diodes across all 24 VDC inductive field loads (solenoids, relays) to absorb back-EMF spikes and extend the operational lifespan of the gold-plated contacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Wiring Clearance:\u003c\/strong\u003e Route field output wiring through dedicated wire ducts separated from low-voltage analog signal cables by at least 200 mm to eliminate cross-talk and electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding Connection:\u003c\/strong\u003e Ensure the rack frame ground (FG) terminal is grounded to functional earth with a low-impedance conductor before energizing external 110 VAC or 24 VDC field load supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Limiting Verification:\u003c\/strong\u003e Verify that external load currents do not exceed the 2 A per channel maximum resistive rating under peak operating ambient temperatures.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43796413939802,"sku":"ADM52-1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/752..jpg?v=1786067450","url":"https:\/\/www.spareoil.com\/es\/products\/contact-output-module-yokogawa-adm52-1-centum-vp","provider":"SpareOil Automation","version":"1.0","type":"link"}