{"product_id":"yokogawa-amm22-s3-multiplexer-input-module","title":"Yokogawa AMM22 S3 Multiplexer Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa AMM22 S3\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAMM22\u003c\/strong\u003e Multiplexer Input Module, operates as a dedicated hardware component for electrical parameter measurement acquisition and signal processing within Yokogawa industrial automation platforms. It directly samples AC\/DC voltage, current, frequency, power factor, and harmonics to deliver digitized data over backplane and serial 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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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 S3\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\u003e~0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard sub-rack module dimensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSub-rack backplane powered (\u0026lt;= 10 W nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Types\u003c\/td\u003e\n\u003ctd\u003eVoltage, Current, Power Factor, Frequency, Harmonics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Range\u003c\/td\u003e\n\u003ctd\u003e0-600V AC\/DC (+\/-0.1%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input\u003c\/td\u003e\n\u003ctd\u003e0-5A direct \/ CT (50:1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Rating\u003c\/td\u003e\n\u003ctd\u003eSIL2 (IEC 61508)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSampling Rate\u003c\/td\u003e\n\u003ctd\u003e128 samples\/cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocols\u003c\/td\u003e\n\u003ctd\u003eModbus RTU \/ TCP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe AMM22 S3 features channel-to-channel isolation barriers to separate high-voltage measurement inputs from internal logic buses and digital communication interfaces. Operating within Yokogawa sub-rack architectures alongside process I\/O modules executing 4-20 mA HART loop protocol communications, the module suppresses high common-mode voltage spikes and electrical noise. Internal signal conditioning guarantees continuous data sampling across all active channels without degrading adjacent low-voltage analog transmission loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the primary function of the 50:1 CT configuration on the AMM22 S3 current input?\u003c\/p\u003e\n\u003cp\u003eA: The integrated 50:1 current transformer scaling enables the module to accept up to 5 A direct currents from secondary instrument transformers and scale them internally for power parameter calculations.\u003c\/p\u003e\n\u003cp\u003eQ: Which communication protocols are natively supported by the AMM22 S3 interface?\u003c\/p\u003e\n\u003cp\u003eA: The module supports Modbus RTU over serial lines and Modbus TCP over Ethernet networks for real-time field data transmission.\u003c\/p\u003e\n\u003cp\u003eQ: Is the AMM22 S3 suitable for safety-instrumented functions?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the hardware design is certified to SIL2 standards in accordance with IEC 61508 for integration into safety-critical monitoring loops.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Protection:\u003c\/strong\u003e Always wear a grounded anti-static wrist strap when handling the card to prevent electrostatic discharge damage to internal components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Input Wiring:\u003c\/strong\u003e Install external fused disconnects on all voltage measurement leads entering the 0-600V AC\/DC input terminals to facilitate safe isolation during maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding:\u003c\/strong\u003e Connect communication cable shields to a single dedicated earthing bar at the cabinet entry point to suppress high-frequency electrical noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Routing:\u003c\/strong\u003e Route high-voltage potential line connections and current transformer leads in separate wiring raceways away from low-voltage DC logic lines.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53312710213941,"sku":"AMM22 S3","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/AMM22_5af07a4c-56b1-4a83-a66c-d6738309d0e5.jpg?v=1786949808","url":"https:\/\/www.5gplc.com\/products\/yokogawa-amm22-s3-multiplexer-input-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}