{"product_id":"16-channel-mv-analog-input-fio-card-yokogawa-amm22c","title":"16-Channel MV Analog Input FIO Card Yokogawa AMM22C","description":"\u003ch2\u003eYokogawa AMM22C CENTUM VP Series Analog Input FIO Card\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AMM22C\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAMM22C\u003c\/strong\u003e Analog Input FIO Card, operates as a dedicated hardware component for low-level millivolt and 4-20 mA DC signal acquisition within CENTUM VP and CS 3000 systems. This hardware component interfaces 16 field-side loops with the core Vnet\/IP control infrastructure via internal multiplexing circuits, processing low-level 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\u003eAMM22C\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\u003e0.35 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\u003e16 channels, galvanically isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Range\u003c\/td\u003e\n\u003ctd\u003eMillivolt (MV) \/ 4-20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance\u003c\/td\u003e\n\u003ctd\u003e250 ohms (integrated for current signals)\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\u003eWithstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e500 VAC between terminals and ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e10 M ohms or more (at 500 VDC)\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: What is the primary operational distinction of the \"C\" hardware revision on this module?\u003c\/p\u003e\n\u003cp\u003eA: The \"C\" hardware revision provides enhanced thermal stability metrics and refined internal diagnostic registers compared to legacy standard modules, ensuring tighter drift characteristics over the 0 to 60 deg C operating range.\u003c\/p\u003e\n\u003cp\u003eQ: How does the integrated 250 ohm input resistance function during millivolt signal acquisition?\u003c\/p\u003e\n\u003cp\u003eA: The 250 ohm shunt resistance is utilized natively for standard 4-20 mA loop current conversion. For pure low-level millivolt voltage configurations, the module circumvents or balances the internal resistance matrix to maintain a high-impedance state suitable for MV sensors.\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 millivolt and 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":42870830235738,"sku":"AMM22C","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/220_d5dcc4e3-47ca-4752-bb57-9ac53c7a03cb.jpg?v=1772249802","url":"https:\/\/www.spareoil.com\/products\/16-channel-mv-analog-input-fio-card-yokogawa-amm22c","provider":"SpareOil Automation","version":"1.0","type":"link"}