{"product_id":"amm22c-yokogawa-16-channel-isolated-multiplexer-unit","title":"AMM22C | Yokogawa 16-Channel Isolated Multiplexer Unit","description":"\u003ch2\u003eYokogawa AMM22C Analog Input Multiplexer Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AMM22C\u003c\/strong\u003e (\u003cstrong\u003eAMM22C\u003c\/strong\u003e) Analog Input Multiplexer Unit operates as a dedicated hardware component for low-level millivolt and 4-20 mA signal acquisition within CENTUM VP \/ CS 3000 Field I\/O architectures. Configured for channelized analog signal scanning in Yokogawa DCS Field Control Station environments, the \u003cstrong\u003eYokogawa AMM22C\u003c\/strong\u003e (\u003cstrong\u003eAMM22C\u003c\/strong\u003e Analog Input Multiplexer Unit) provides direct electrical execution of 16-channel multiplexed input sampling with per-channel galvanic isolation.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eAMM22C is a fixed model designation. No structured suffix segmentation or option code decomposition is defined for this part number. Functional configuration is determined at system-level engineering within the Field I\/O node and CENTUM VP \/ CS 3000 integration parameters.\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\u003eAMM22C \/ Yokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eYokogawa Electric Corporation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e3 kg (shipping condition, including packaging)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e32.8 x 107.5 x 130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e0 degC to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003eNot explicitly specified (system\/backplane dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e16 analog input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Types\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 ohm (current loop termination)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12 to 16 bit (system configured)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-system galvanic isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArchitecture\u003c\/td\u003e\n\u003ctd\u003eMultiplexed Field I\/O scanning\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 Signal Integrity Behavior (Yokogawa DCS Architecture)\u003c\/h3\u003e\n\u003cp\u003eWithin Yokogawa Electric Corporation Field I\/O design, the AMM22C implements per-channel galvanic isolation between input termination stages and system backplane referencing. This isolation topology reduces ground potential coupling across mixed analog loops, particularly in 4-20 mA current measurement circuits where loop grounding differentials can introduce offset drift.\u003c\/p\u003e\n\u003cp\u003eThe multiplexed acquisition structure sequentially samples 16 inputs through an internal switching matrix. This architecture enforces deterministic scan behavior aligned with CENTUM VP \/ CS 3000 field control station timing cycles. Signal conditioning is performed prior to digitization to stabilize low-level millivolt inputs against line impedance variation and EMI coupling.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Does AMM22C support hot-swap replacement under live backplane power?\u003c\/strong\u003e\u003cbr\u003eA1: Hot-swap capability is system-dependent and governed by the Field Control Station rack design. Electrical design of the module assumes backplane power sequencing compliance during insertion and removal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: How is channel isolation implemented across 16 inputs?\u003c\/strong\u003e\u003cbr\u003eA2: Each input channel is electrically isolated from system ground reference via galvanic isolation stages. This prevents inter-channel ground loop propagation during mixed signal acquisition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Can AMM22C directly interface with HART overlay signals on 4-20 mA loops?\u003c\/strong\u003e\u003cbr\u003eA3: The module primarily performs analog multiplexed acquisition. HART signal handling depends on upstream system integration and is not inherently decoded at the multiplexer stage.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eThe AMM22C shall be installed in a designated Yokogawa Field I\/O node slot within CENTUM VP \/ CS 3000 compatible racks. Maintain segregation between low-level analog signal wiring and power conductors to reduce capacitive coupling noise.\u003c\/p\u003e\n\u003cp\u003eShield termination for 4-20 mA loops should be implemented at a single grounding point within the control cabinet to avoid ground loop formation. Signal cables must maintain minimum bend radius defined by instrumentation cable specification to prevent impedance discontinuities.\u003c\/p\u003e\n\u003cp\u003eBackplane connector alignment must be verified prior to full insertion to prevent pin misalignment damage. Ensure all field wiring is torque-terminated according to terminal block mechanical specification.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44148190609496,"sku":"AMM22C","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/AMM22C-2.jpg?v=1779875530","url":"https:\/\/www.industriaxplc.com\/products\/amm22c-yokogawa-16-channel-isolated-multiplexer-unit","provider":"IndustriaX Limited","version":"1.0","type":"link"}