{"product_id":"yokogawa-amm12-centum-vp-voltage-input-multiplexer","title":"Yokogawa AMM12 CENTUM VP Voltage Input Multiplexer","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAMM12\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density voltage input multiplexer engineered for the CENTUM distributed control system (DCS) platform by Yokogawa Electric Corporation. It functions as an interface module that consolidates multiple analog voltage signals into a streamlined data stream for the field control station.\u003c\/p\u003e\n\u003cp\u003eThrough advanced multiplexing circuitry, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAMM12\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esignificantly reduces I\/O nest hardware footprint, making it well suited for complex plant architectures with extensive monitoring points. Designed for mission-critical environments, the module preserves signal integrity via strong common-mode rejection and precise analog-to-digital conversion.\u003c\/p\u003e\n\u003cp\u003eThe AMM12 is fully\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehot-swappable\u003c\/strong\u003e, allowing maintenance or system expansion without interrupting the control loop, thereby supporting high plant availability and operational continuity.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eItem\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\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eYokogawa Electric Corporation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Series\u003c\/td\u003e\n\u003ctd\u003eCENTUM VP \/ CENTUM CS 3000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eMultiplexed Analog Voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003eTypically 1–5 V DC (configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e≥ 1 MΩ (power-on state)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Resolution\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1% of full scale (reference dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e1500 V AC galvanic isolation (input-to-system bus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSampling Period\u003c\/td\u003e\n\u003ctd\u003eSynchronized with DCS controller scan cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.5 cm × 22.9 cm × 7.6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.4kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAMM12\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis widely deployed in heavy industrial sectors, including:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePetrochemical refining\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLNG processing facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge-scale thermal and combined-cycle power generation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is particularly effective for monitoring non-critical secondary variables—such as auxiliary tank levels, voltage transmitters, and peripheral instrumentation—where high-density signal aggregation optimizes cabinet space and reduces overall I\/O cost per point.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the AMM12 be used in a redundant configuration?\u003c\/strong\u003e\u003cbr\u003eYes. The module supports dual-redundant I\/O nest configurations, ensuring continued signal acquisition in the event of a single module failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support current signals directly?\u003c\/strong\u003e\u003cbr\u003eNo. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAMM12\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a voltage-input module. For 4–20 mA current loops, a precision shunt resistor (typically 250 Ω) must be installed at the terminal board to convert the signal to a 1–5 V DC input range.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":48746754801916,"sku":"AMM12","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/AMM12.jpg?v=1772435090","url":"https:\/\/www.electronicplc.com\/products\/yokogawa-amm12-centum-vp-voltage-input-multiplexer","provider":"Electronic PLC","version":"1.0","type":"link"}