{"product_id":"yokogawa-amm22-multiplexer-input-module","title":"Yokogawa AMM22 Multiplexer Input Module","description":"\u003ch2\u003eYokogawa AMM22 Multiplexer Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AMM22\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAMM22\u003c\/strong\u003e Multiplexer Input Module, operates as a dedicated analog signal acquisition component for field transmitter and sensor data processing within Yokogawa CENTUM CS 3000 and CENTUM VP Distributed Control System platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003eAMM22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\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\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApprox. 2.5 W to 5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eMultiplexer Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eYokogawa CENTUM CS 3000 \/ CENTUM VP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e16 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signals\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC, 1-5 VDC, voltage, thermocouple, RTD inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e250 ohm (current mode), \u0026gt;= 1 Mohm (voltage mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eField-to-backplane galvanic isolation, 1500 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Update Cycle\u003c\/td\u003e\n\u003ctd\u003e10 ms to 100 ms configurable scan rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Signal Isolation and DCS Interface Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe AMM22 performs analog input conditioning, signal conversion, and transmission between field instrumentation and Yokogawa CENTUM control stations. The module supports multiplexed acquisition of current, voltage, thermocouple, and RTD signals through a 16-channel input structure.\u003c\/p\u003e\n\u003cp\u003eThe module incorporates field-to-backplane galvanic isolation and hardware filtering functions for electrical separation between field wiring and internal system communication paths. Signal filtering is applied to reduce the effects of ground loops, electromagnetic interference, and transient disturbances during analog measurement.\u003c\/p\u003e\n\u003cp\u003eThe AMM22 supports Yokogawa FIO and rack-mount nest installation structures with communication through the DCS backplane architecture. The module supports hot-swapping when installed in compatible system nests.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What input signal types can be connected to the AMM22 Multiplexer Input Module?\u003cbr\u003eA: The AMM22 accepts analog field signals including 4-20 mA DC current loops, 1-5 VDC voltage signals, thermocouple inputs, and RTD inputs.\u003c\/p\u003e\n\u003cp\u003eQ: Does the AMM22 provide electrical isolation between field wiring and the DCS backplane?\u003cbr\u003eA: Yes. The module provides field-to-backplane galvanic isolation rated at 1500 VAC.\u003c\/p\u003e\n\u003cp\u003eQ: Can the AMM22 be replaced while the control system remains powered?\u003cbr\u003eA: The module supports hot-swapping when installed in compatible Yokogawa nests designed for maintenance replacement under energized conditions.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the AMM22 in the specified Yokogawa CENTUM FIO or rack-mount nest position according to the system hardware configuration.\u003c\/li\u003e\n\u003cli\u003eVerify that field signal wiring matches the configured input type before connecting transmitters, thermocouples, or RTD devices.\u003c\/li\u003e\n\u003cli\u003eMaintain proper separation between analog signal cables and high-voltage power wiring to reduce electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eConnect cable shields according to the site grounding standard, avoiding multiple uncontrolled grounding points.\u003c\/li\u003e\n\u003cli\u003eConfirm backplane connector seating and module locking mechanisms before system commissioning.\u003c\/li\u003e\n\u003cli\u003eCheck field loop polarity, terminal assignment, and signal conditioning parameters during startup verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43661560643651,"sku":"AMM22","price":234.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/AMM22.png?v=1733390308","url":"https:\/\/www.plcdcspro.com\/products\/yokogawa-amm22-multiplexer-input-module","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}