{"product_id":"yokogawa-aam21-analog-input-module-8-channels","title":"Yokogawa AAM21 Analog Input Module-8 channels","description":"\u003ch2\u003eYokogawa AAM21 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for analog signal acquisition in CENTUM VP and ProSafe-RS systems, the \u003cstrong\u003eYokogawa AAM21\u003c\/strong\u003e (\u003cstrong\u003eAAM21\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution of 4-20 mA and voltage-based process signal conversion across CENTUM VP and ProSafe-RS platforms.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eNo suffix or variant segmentation is specified in the provided source data for AAM21. The module is treated as a single hardware configuration entity without documented ordering-code subdivisions.\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\u003eParameter\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\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa AAM21\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\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e144 mm x 144 mm x 150 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e0 degC to 50 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Types\u003c\/td\u003e\n\u003ctd\u003e0-20 mA, 4-20 mA, 0-5 V, 1-5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-channel isolation and 4-20 mA loop integrity\u003c\/h3\u003e\n\u003cp\u003eThe AAM21 architecture implements galvanic separation between input channels to reduce inter-channel coupling under mixed-signal loading conditions. In 4-20 mA loop operation, the module maintains stable loop impedance behavior to avoid transmitter current distortion during multiplexed sampling. This isolation structure is aligned with DCS input conditioning requirements for CENTUM VP and ProSafe-RS analog acquisition nodes, where multi-channel density can introduce cross-channel electrical interaction if not segmented at the hardware level. The analog front-end conditioning ensures consistent signal translation into the system backplane without shared reference contamination between channels.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the AAM21 support hot-swap operation in CENTUM VP nodes?\u003c\/strong\u003e\u003cbr\u003eA: Hot-swap capability is system-dependent. In supported I\/O nests, removal and insertion are managed at the node level with backplane isolation to prevent signal corruption.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What happens if an input loop becomes open-circuit on a 4-20 mA channel?\u003c\/strong\u003e\u003cbr\u003eA: The channel detects abnormal current discontinuity and reports diagnostic status to the system processor for alarm or fallback logic execution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is channel-to-channel isolation maintained under full channel loading?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Isolation barriers are implemented per channel to prevent cross-coupling under simultaneous multi-channel excitation.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eEnsure 24 VDC supply integrity is verified before module insertion into the I\/O node. Shielded signal cables should be grounded at a single-point earth reference to minimize ground loop formation across 4-20 mA loops. Maintain separation between analog input wiring and high-voltage switching conductors to reduce induced noise. Module seating must be fully engaged into the backplane connector to guarantee stable communication with the CENTUM VP or ProSafe-RS I\/O subsystem.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44150214885464,"sku":"AAM21","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/AAM21-3.jpg?v=1779933651","url":"https:\/\/www.industriaxplc.com\/products\/yokogawa-aam21-analog-input-module-8-channels","provider":"IndustriaX Limited","version":"1.0","type":"link"}