{"product_id":"foxboro-ad202mr-pneumatic-proportional-controller","title":"Foxboro AD202MR Pneumatic Proportional Controller","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFoxboro AD202MR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a pneumatic control module designed for proportional regulation within Foxboro I\/A Series distributed control systems. It is ideal for environments where pneumatic operation is preferred over electrical signals, including hazardous locations, explosion-risk areas, or remote sites without reliable power.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOperating Principle\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAD202MR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eemploys a force-balance mechanism to provide precise and stable control. It receives a standard pneumatic input signal and generates a proportional output to drive valves or other pneumatic actuators. The design ensures consistent loop performance while eliminating the need for electrical power.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"\"\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\u003e\u003cstrong\u003eAD202MR\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Type\u003c\/td\u003e\n\u003ctd\u003ePneumatic Proportional (P), optional Integral (PI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal\u003c\/td\u003e\n\u003ctd\u003e3–15 psi (20.7–103.5 kPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e3–15 psi (20.7–103.5 kPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Pressure\u003c\/td\u003e\n\u003ctd\u003e20–60 psi (138–414 kPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProportional Band\u003c\/td\u003e\n\u003ctd\u003eAdjustable, 20% to 400%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain Adjustment\u003c\/td\u003e\n\u003ctd\u003eField adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e≤ ±0.2% of span\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Consumption\u003c\/td\u003e\n\u003ctd\u003eLow continuous bleed design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature\u003c\/td\u003e\n\u003ctd\u003e–40°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e0–95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eIndustrial-grade aluminum housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eRack-mounted (I\/A Series compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eFully pneumatic operation removes the need for electrical wiring\u003cbr\u003eForce-balance mechanism ensures stable and accurate control\u003cbr\u003eWide proportional band allows flexible loop tuning\u003cbr\u003eSeamless integration with Foxboro I\/A Series systems\u003cbr\u003eDurable housing withstands harsh industrial environments\u003cbr\u003eReliable operation in extreme temperature and humidity conditions\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication Scope\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAD202MR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis commonly used in:\u003c\/p\u003e\n\u003cp\u003eHydrocarbon production and refining\u003cbr\u003eChemical processing and pharmaceutical plants\u003cbr\u003eThermal and conventional power plants\u003cbr\u003eWater and wastewater treatment facilities\u003cbr\u003eRemote field stations and offshore platforms\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the AD202MR require electrical wiring?\u003c\/strong\u003e\u003cbr\u003eA: No. It operates entirely on pneumatic input and compressed air supply.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can it integrate with modern DCS systems?\u003c\/strong\u003e\u003cbr\u003eA: Yes. It interfaces directly with Foxboro I\/A Series racks and hybrid control loops.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What control action does it support?\u003c\/strong\u003e\u003cbr\u003eA: Proportional control is standard, with optional integral action for enhanced loop stability.\u003c\/p\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":43173955928154,"sku":"AD202MR","price":177.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/303475_541a466b-2f3d-4fdd-8257-a0cc6d4db6b2.jpg?v=1775194956","url":"https:\/\/www.plcmasters.com\/fr\/products\/foxboro-ad202mr-pneumatic-proportional-controller","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}