{"product_id":"yokogawa-aat145-s50-analog-output","title":"Yokogawa AAT145-S50 Analog Output","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa AAT145-S50\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAAT145\u003c\/strong\u003e Analog Output Module, operates as a dedicated hardware component for 16-channel current loop driving and control valve positioning within CENTUM VP and CENTUM CS 3000 systems.\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\u003eAAT145-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\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e163 x 38 x 58 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBaseplate bus powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e16 isolated outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12-16 bit (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-bus and channel-to-channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Resistance\u003c\/td\u003e\n\u003ctd\u003eUp to 600 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Process Control \u0026amp; Isolation Architecture\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa AAT145-S50 analog output card handles multi-channel 4-20 mA current loop driving across CENTUM automation architectures. Designed with channel-to-channel isolation circuits, the card isolates output control channels from internal backplane logic and adjacent loops, eliminating ground loops and suppressing crosstalk. The module supports 4-20 mA HART loop protocol pass-through and continuous output circuit diagnostic monitoring, ensuring precise loop command execution across final control elements.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Are individual output channels on the AAT145-S50 galvanically isolated from one another?\u003c\/p\u003e\n\u003cp\u003eA: Yes, each output channel features galvanically isolated circuitry from the system backplane bus and from adjacent output channels, preventing ground loops and cross-talk.\u003c\/p\u003e\n\u003cp\u003eQ: Does the AAT145-S50 support online hot-swapping during active operation?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping is supported when the card is deployed in redundant I\/O baseplate configurations, allowing online replacement without interrupting active process loops.\u003c\/p\u003e\n\u003cp\u003eQ: What is the functional difference between the AAT145-S50 and the AAT145-S51 module variants?\u003c\/p\u003e\n\u003cp\u003eA: The AAT145-S50 serves as the standard 16-channel 4-20 mA analog output module, whereas the S51 suffix configuration incorporates enhanced diagnostic functions and fieldbus integration capability.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlign the AAT145-S50 module with the dedicated I\/O baseplate slot guide rails and push firmly until fully engaged.\u003c\/li\u003e\n\u003cli\u003eSecure the retaining screws to ensure solid chassis grounding and prevent connector decoupling from panel vibration.\u003c\/li\u003e\n\u003cli\u003eRoute all 4-20 mA current loop field wiring through separate low-voltage instrument conduits isolated from AC power conductors.\u003c\/li\u003e\n\u003cli\u003eLand signal cable shields onto the cabinet earth bus bar following single-point grounding rules.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate convection clearance around the baseplate rack to operate within the 0 to 55 deg C ambient temperature limits.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52653259063576,"sku":"AAT145-S50","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/NFDV561-P00_2_03f5ae5f-6750-47ea-81d4-edd9a643d1db.jpg?v=1789091653","url":"https:\/\/www.innoplcsync.com\/products\/yokogawa-aat145-s50-analog-output","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}