{"product_id":"amm22c-yokogawa-series-datasheet-technical-manual","title":"AMM22C Yokogawa Series Datasheet \u0026 Technical Manual","description":"\u003ch1\u003eYokogawa AMM22C MV Input Multiplexer Module\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AMM22C\u003c\/strong\u003e serves as the primary \u003cstrong\u003eAMM22C\u003c\/strong\u003e MV Input Multiplexer Module utilized to execute multi-channel current and voltage signal acquisition across CENTUM VP, CS 3000, and STARDOM platforms. The hardware acts as a high-density processing interface that actively acquires raw analog measurements from interconnected transmitters, converting physical field signals into digitized values for upstream distributed control networks via integrated analog-to-digital converter circuitry.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eModel\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003eAMM22C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eOrigin\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e1.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e125 x 130 x 248 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eOperating Temp\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e-20 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003e24 V DC via I\/O base unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003eChannels\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003e16 analog input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\"\u003eSignal Types\u003c\/td\u003e\n\u003ctd data-row=\"10\"\u003e4-20 mA DC (current), 1-5 V DC (voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"11\"\u003eResolution\u003c\/td\u003e\n\u003ctd data-row=\"11\"\u003e12-16 bit (depending on configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"12\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd data-row=\"12\"\u003e+\/-0.1% of span\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"13\"\u003eInput Impedance\u003c\/td\u003e\n\u003ctd data-row=\"13\"\u003e250 Ohm (for current input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"14\"\u003eStorage Temp\u003c\/td\u003e\n\u003ctd data-row=\"14\"\u003e-40 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"15\"\u003eHumidity\u003c\/td\u003e\n\u003ctd data-row=\"15\"\u003e5-95% RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrumentation Properties\u003c\/h3\u003e\n\u003cp\u003eThis multiplexing module incorporates robust channel-to-channel isolation parameters alongside system-side galvanic separation to shield internal processing logic from high-voltage field transients. The hardware executes parallel analog conversion routines with integrated diagnostics that constantly supervise the loops for open circuit states, localized short circuits, and out-of-bounds signal range monitoring. When embedded within an upgrade path or a dual-redundant layout, the physical terminal connections remain identical, allowing synchronous parameter handshakes without disrupting the active process variable arrays.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the module execute online hot-swap operations within active I\/O bases?\u003c\/p\u003e\n\u003cp\u003eA: The physical module architecture is engineered to isolate bus logic pins during removal. The hardware permits complete hot-swap replacement while the FIO base unit is powered, ensuring adjacent online module communication and loop current execution remain undisturbed.\u003c\/p\u003e\n\u003cp\u003eQ: What mechanisms govern the selection between current and voltage monitoring ranges?\u003c\/p\u003e\n\u003cp\u003eA: Internal hardware matching dictates the impedance profile. When configured for current loops, the card provides an input impedance of approximately 250 Ohm to convert the 4-20 mA current inputs into readable voltage thresholds before 12-16 bit digitization occurs.\u003c\/p\u003e\n\u003cp\u003eQ: What diagnostics are triggered if a loop wire decays or detaches?\u003c\/p\u003e\n\u003cp\u003eA: The internal microprocessors perform continuous loop continuity validation. If an input loop exhibits an open circuit fault or a short circuit condition, the module switches its diagnostic registers to a fault state, outputting error parameters to the central controller.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Seating\u003c\/strong\u003e: Place the module vertically onto the designated DIN rail or rack-mounted structure. Engage the primary locking mechanisms fully to secure the unit against standard field vibration profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding and Grounding Matrix\u003c\/strong\u003e: Terminate all instrument twisted-pair shielding strictly at the single point ground bar within the marshalling cabinet. Never ground both ends of the shield to eliminate potential ground loop noise from degrading analog accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Conductor Isolation\u003c\/strong\u003e: Maintain a minimum physical spacing of 50 mm between low-voltage analog signal cables and high-voltage AC distribution circuits inside the containment trays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Block Execution\u003c\/strong\u003e: Ensure that the A, B, and C terminal configurations match the designated signal types as outlined in the wiring drawings, maintaining equivalent connection profiles when executing channel-level hardware upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44215941136483,"sku":"AMM22C","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/269._e353ce38-da64-44b8-91bc-54fae0201717.jpg?v=1779787602","url":"https:\/\/www.autocontrolglobal.com\/fa\/products\/amm22c-yokogawa-series-datasheet-technical-manual","provider":"AutoControl Global","version":"1.0","type":"link"}