{"product_id":"yokogawa-amm25c-centum-vp-32-channel-analog-input-fio-card","title":"Yokogawa AMM25C CENTUM VP 32-Channel Analog Input FIO Card","description":"\u003ch2\u003eYokogawa AMM25C CENTUM VP Series Analog Input FIO Card\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-density 4-20 mA analog signal acquisition in CENTUM VP and CS 3000 systems, the \u003cstrong\u003eYokogawa AMM25C\u003c\/strong\u003e (\u003cstrong\u003eAMM25C\u003c\/strong\u003e Analog Input FIO Card) provides direct physical\/electrical execution. This hardware component interfaces up to 32 field-side loops with the core Vnet\/IP control infrastructure via internal multiplexing circuits, processing standard current signals without requiring external isolation barriers or auxiliary conversion modules.\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\u003eAMM25C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa Electric Corporation\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\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e32.8 mm x 107.5 mm x 130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSystem backplane dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries Compatibility\u003c\/td\u003e\n\u003ctd\u003eCENTUM VP \/ CS 3000 FIO Subsystem\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e32 Channels, isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance\u003c\/td\u003e\n\u003ctd\u003e250 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003eplus\/minus 0.1 percent of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Architecture\u003c\/td\u003e\n\u003ctd\u003eGalvanic isolation between field-side and system-side logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Capabilities\u003c\/td\u003e\n\u003ctd\u003eIntegrated open-circuit and short-circuit detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrumentation Features\u003c\/h3\u003e\n\u003cp\u003eThe module integrates a dedicated 4-20 mA HART loop protocol layer enabling seamless pass-through communication between field instruments and the CENTUM VP engineering workstation. Internal measurement nodes feature individual channel-to-channel isolation parameters to mitigate ground loop currents and prevent common-mode voltage differentials from corrupting adjacent channels. For thermal safety and accuracy across varying installation conditions, electronic temperature sensors provide automated cold junction compensation (CJC) calculation routines when processing external thermocouple signals via matching terminal boards, ensuring deterministic A\/D converter scaling.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the module support online hot-swap operations within an active FIO node?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The module is engineered with field-proven hot-swap logic allowing insertion and extraction under system power conditions. The backplane interface lines utilize staggered pin lengths to ensure ground connections establish first and break last, preventing transient electrical damage to system-side logic.\u003c\/p\u003e\n\u003cp\u003eQ: What happens to the channel data when a field wire is severed or disconnected?\u003c\/p\u003e\n\u003cp\u003eA: The module executes integrated open-circuit diagnostic logic. When the input current falls below the absolute physical threshold of 4 mA, the configuration flags register an underrange fault status bit, triggering system-side block alarms within the DCS interface.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the module vertically on the standard FIO node backplane unit, ensuring the top and bottom latch mechanisms click securely into place to maintain reliable backplane bus connection.\u003c\/li\u003e\n\u003cli\u003eMaintain standard industrial field wiring separation by routing low-voltage 4-20 mA signal wires away from high-voltage AC distribution lines or heavy inductive load conduits to avoid electromotive interference.\u003c\/li\u003e\n\u003cli\u003eTerminate signal cables using dedicated multi-point terminal blocks. Ensure all cable shields are tied to a single, clean instrumentation ground point at the cabinet entry barrier rather than grounding both ends.\u003c\/li\u003e\n\u003cli\u003eVerify clear ventilation paths above and below the FIO node enclosure to ensure natural convective airflow maintains operating temperatures below 60 deg C.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":42870830432346,"sku":"AMM25C","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/218.1_38bc53c4-1945-4355-9523-a6bad84ad68b.jpg?v=1772249267","url":"https:\/\/www.spareoil.com\/products\/yokogawa-amm25c-centum-vp-32-channel-analog-input-fio-card","provider":"SpareOil Automation","version":"1.0","type":"link"}