{"product_id":"aav142-s50-yokogawa-centum-vp-analog-input-module-16-channels","title":"AAV142-S50 Yokogawa CENTUM VP Analog Input Module 16 Channels","description":"\u003ch2\u003eYokogawa AAV142-S50 CENTUM VP Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-density analog signal processing in CENTUM VP platforms, the \u003cstrong\u003eYokogawa AAV142-S50\u003c\/strong\u003e (\u003cstrong\u003eAAV142\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution across system rack node units.\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\u003eAAV142-S50\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\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e150 mm x 25 mm x 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 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\u003e450 mA max at 5 V DC (via backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eYokogawa CENTUM VP DCS (ANB10\/ANB11 node units)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003e16 isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC, DC voltage, thermocouple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e250 ohm (power-on), 500 kohm or more (power-off)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAllowable Input Current\u003c\/td\u003e\n\u003ctd\u003e30 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Conversion\u003c\/td\u003e\n\u003ctd\u003e16-bit A\/D resolution\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\u003eData Refresh Cycle\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Withstand\u003c\/td\u003e\n\u003ctd\u003e500 V AC (input-to-system), 500 V AC (channel-to-channel)\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 AAV142-S50 analog input module incorporates robust channel-to-channel isolation rated at 500 V AC to eliminate ground loops between field instruments and the host controller. Current signals operating on the 4-20 mA HART loop protocol pass through dedicated 250 ohm input impedances, enabling precise 16-bit A\/D digital conversion. Internal diagnostic circuits execute self-tests and continuously monitor signal quality, ensuring transient voltage suppression and high signal integrity before passing data across the node unit backplane.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What happens to the module input impedance if power to the node unit fails?\u003c\/p\u003e\n\u003cp\u003eA: During power-off conditions, the internal impedance automatically transitions from 250 ohm to 500 kohm or higher. This high-impedance state prevents current loop loading and safeguards upstream field transmitters.\u003c\/p\u003e\n\u003cp\u003eQ: Can the module be inserted directly into active ANB10 or ANB11 node slots?\u003c\/p\u003e\n\u003cp\u003eA: Field technicians must follow station-specific hot-swap protocols and verify node status prior to seating. Inserting the module into an active slot requires aligning backplane pin connections to avoid triggering transient diagnostic alerts on adjacent channels.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eSeat the AAV142-S50 module directly into the designated slot of an ANB10 or ANB11 node unit. Press the module evenly into the backplane connector and lock the upper and lower retaining mechanisms to prevent physical displacement caused by cabinet vibration.\u003c\/p\u003e\n\u003cp\u003eUse shielded twisted-pair cabling for all 4-20 mA current loop connections. Ground the cable drain wires at a single point on the cabinet protective earth bar. Maintain complete isolation between analog input signal lines and high-voltage AC power wiring inside enclosure ducting.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43823049769050,"sku":"AAV142-S50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/177.1_701e86cc-c408-4ad7-a1bb-3fa710f1647e.jpg?v=1786412791","url":"https:\/\/www.spareoil.com\/products\/aav142-s50-yokogawa-centum-vp-analog-input-module-16-channels","provider":"SpareOil Automation","version":"1.0","type":"link"}