{"product_id":"yokogawa-amm42-centum-cs-3000-analog-input-multiplexer","title":"Yokogawa AMM42 CENTUM CS 3000 Analog Input Multiplexer","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAMM42\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density analog input multiplexer module engineered for the CENTUM CS 3000 distributed control system platform by Yokogawa Electric Corporation. It functions as a signal aggregation interface, consolidating multiple field analog inputs into a streamlined controller channel to optimize I\/O nest utilization.\u003c\/p\u003e\n\u003cp\u003eBy multiplexing several process signals through a single interface, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAMM42\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esignificantly reduces hardware footprint while maintaining the data integrity required for industrial process control. It incorporates robust signal conditioning and galvanic isolation to protect the system backplane from field-side electrical disturbances.\u003c\/p\u003e\n\u003cp\u003eDesigned for high-density installations, the module is particularly suitable for monitoring non-critical process variables where efficient integration is prioritized. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAMM42\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupports hot-swapping, allowing maintenance or replacement without requiring a full DCS shutdown.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical 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 Model\u003c\/td\u003e\n\u003ctd\u003eAMM42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Series\u003c\/td\u003e\n\u003ctd\u003eCENTUM CS 3000 \/ CS 1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eMulti-channel Analog Input (Multiplexed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Compatibility\u003c\/td\u003e\n\u003ctd\u003e1–5 V DC or 4–20 mA (via external shunt resistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-system electrical isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eStandard Yokogawa I\/O nest compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e15.2 cm × 7.6 cm × 25.4 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.6 kg\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\u003eAMM42\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis widely deployed in:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOil \u0026amp; gas production and refining facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChemical processing plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThermal and combined-cycle power generation stations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is particularly effective for clustered monitoring of auxiliary temperatures, tank levels, and pressure transmitters, helping reduce total rack count and cabinet space in large-scale control rooms.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the AMM42 handle current signals if it is voltage-based?\u003c\/strong\u003e\u003cbr\u003eThe module typically measures voltage inputs. For standard 4–20 mA process loops, a precision 250 Ω resistor is installed at the terminal board to convert the current signal into a 1–5 V DC voltage input.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the AMM42 compatible with the newer CENTUM VP series?\u003c\/strong\u003e\u003cbr\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAMM42\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewas primarily developed for the CENTUM CS 3000 platform. While certain legacy modules may be supported via migration or interface kits, compatibility with specific CENTUM VP revisions and I\/O nests should be verified prior to integration.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":48746754703612,"sku":"AMM42","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/AMM42.jpg?v=1772435089","url":"https:\/\/www.electronicplc.com\/products\/yokogawa-amm42-centum-cs-3000-analog-input-multiplexer","provider":"Electronic PLC","version":"1.0","type":"link"}