{"product_id":"yokogawa-aam21-s2-analog-input-output-module","title":"Yokogawa AAM21 S2 Analog Input\/Output Module","description":"\u003cp\u003eConfigured for industrial automation systems to connect field devices such as transmitters and valve positioners to the control system, the \u003cstrong\u003eYokogawa AAM21 S2\u003c\/strong\u003e (\u003cstrong\u003eAAM21 S2\u003c\/strong\u003e Analog Input\/Output Module) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS2\u003c\/strong\u003e: Standard version configuration supporting analog input and output loops with HART communication capabilities.\u003c\/li\u003e\n\u003c\/ul\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\u003eAAM21 S2\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\u003eNot specified in source data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Yokogawa control card physical format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal\u003c\/td\u003e\n\u003ctd\u003eStandard 4-20 mA current loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003eHART (Highway Addressable Remote Transducer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e0.1% or better\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 DCS Integration\u003c\/h3\u003e\n\u003cp\u003eThe AAM21 S2 incorporates robust circuit isolation and protocol management to maintain signal integrity across process control networks. Key engineering attributes include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eChannel-to-channel isolation architecture designed to provide safety and reduce noise interference across operational loops.\u003c\/li\u003e\n\u003cli\u003eIntegrated 4-20 mA HART loop protocol support enabling remote configuration and diagnostics for up to 16 devices and 32 HART variables.\u003c\/li\u003e\n\u003cli\u003eSupport for multiple input signal types, including voltage and current, ensuring flexible field device connectivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the AAM21 S2 module support live hot-swapping under power?\u003c\/p\u003e\n\u003cp\u003eA: No. Power must be isolated from the specific rack slot prior to module extraction or insertion to prevent backplane pin damage and transient current surges.\u003c\/p\u003e\n\u003cp\u003eQ: What communication protocol and device capacity are supported by this module? A: The hardware supports the HART communication protocol, handling up to 16 devices and 32 HART variables.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSecure the module firmly into the designated rack slot, ensuring physical retention latches are fully engaged to withstand industrial vibration.\u003c\/li\u003e\n\u003cli\u003eTerminate all field wiring onto the designated terminal blocks while maintaining proper shielding and single-point grounding to prevent electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eVerify that environmental conditions remain within the -10 to 55 deg C operating temperature window and utilize a 24 VDC power supply before energizing the system.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":48206271185086,"sku":"AAM21 S2","price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/AAM11S2_5cf6caf3-9918-4592-bab0-c9e6809a79d6.png?v=1785122288","url":"https:\/\/www.autooiltech.com\/products\/yokogawa-aam21-s2-analog-input-output-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}