{"product_id":"yokogawa-amm22j-voltage-input-multiplexer-module","title":"Yokogawa AMM22J Voltage Input Multiplexer Module","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa AMM22J\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAMM22J\u003c\/strong\u003e Voltage Input Multiplexer Module, operates as a dedicated hardware component for multiplexed analog voltage signal acquisition within industrial DCS networks.\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003eAMM22J\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\u003e3 kg (Shipping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eNot specified in source data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified in source data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified in source data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eVoltage Input Multiplexer Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Voltage\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 HART Loop Protocol\u003c\/h3\u003e\n\u003cp\u003eThis multiplexer module executes sequential scanning of multiple analog voltage input channels, converting field voltage signals into digital data for DCS processing. Channel-to-channel isolation characteristics must be evaluated against system grounding topology, as multiplexed voltage architectures share common backplane references that may introduce ground loop currents when field grounds are at different potentials. The module supports integration with 4-20 mA HART loop protocol when interfacing with voltage-output HART transmitters through precision shunt resistors, enabling digital diagnostic data extraction alongside analog voltage measurement. Multiplexed scanning architecture reduces I\/O module slot requirements while maintaining deterministic update timing for process control applications.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: What is the shipping weight of the AMM22J module?\u003cbr\u003eA: The AMM22J has a shipping weight of 3 kg, which includes packaging materials. Net module weight is not specified in available documentation.\u003c\/p\u003e\n\u003cp\u003eQ: What type of input signals does this multiplexer module accept?\u003cbr\u003eA: The AMM22J is configured for analog voltage input signals. Specific voltage ranges and channel count must be verified against the module's technical manual.\u003c\/p\u003e\n\u003cp\u003eQ: Does this module provide channel-to-channel galvanic isolation?\u003cbr\u003eA: Channel-to-channel isolation specifications are not provided in the available source data. System grounding requirements should be evaluated before deployment in applications with multiple field ground references.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the AMM22J module in the designated slot position per the DCS hardware manual. Ensure the backplane power supply is de-energized before inserting or removing the module. Route analog voltage signal cables in shielded twisted-pair configuration with the shield grounded at the DCS cabinet only to prevent ground loops. Verify voltage input range jumper settings match the configured field instrument output specifications before applying power. Perform signal calibration verification on each multiplexed channel prior to commissioning. Maintain adequate clearance around the module for thermal dissipation. Confirm all field wiring connections are secure and properly terminated before energizing the system.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52634918158616,"sku":"AMM22J","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/EC401-10S3_Cocoai_747b09da-725e-4fee-a4b4-26bd3c5af734.jpg?v=1788860697","url":"https:\/\/www.innoplcsync.com\/products\/yokogawa-amm22j-voltage-input-multiplexer-module","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}