{"product_id":"yokogawa-aap149-s00-pulse-input-module","title":"Yokogawa AAP149-S00 Pulse Input Module","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe AAP149-S00 (AAP149) is a high-speed pulse acquisition module designed for Yokogawa CENTUM VP and CS 3000 Distributed Control Systems (DCS). It serves as a precise interface for pulse-generating field instruments such as flow meters, tachometers, and rotary encoders, converting raw pulse sequences into digital process data for real-time monitoring and control.\u003c\/p\u003e\n\u003cp\u003eOptimized for high-density applications, the AAP149 supports 16 channels with a 2 ms data refresh cycle, ensuring accurate capture of even high-frequency signals. Its design enables reliable integration into dynamic process environments where rapid pulse measurement is critical.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003eOrder Code\u003c\/td\u003e\n\u003ctd\u003eAAP149-S00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Configuration\u003c\/td\u003e\n\u003ctd\u003e16 channels, non-isolated (shared common)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Compatibility\u003c\/td\u003e\n\u003ctd\u003eTransistor contact (Open Collector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e0–6 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse Detection Logic\u003c\/td\u003e\n\u003ctd\u003eTrailing edge (high-to-low transition)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Refresh Rate\u003c\/td\u003e\n\u003ctd\u003e2 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Base Unit\u003c\/td\u003e\n\u003ctd\u003ePM1 (Processor Module) interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e400 mA maximum at 5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Weight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eInterface with turbine, positive displacement (PD), and rotary flowmeters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMotor speed and rotation monitoring via proximity switches or encoders\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-speed pulse acquisition for DCS process control loops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial applications requiring precise counting and frequency calculation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of field devices are typically used with the AAP149-S00?\u003c\/strong\u003e\u003cbr\u003eThe AAP149-S00 is commonly connected to turbine or PD meters with open-collector pulse outputs, as well as motor speed sensors, proximity switches, or rotary encoders.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the module handle signal noise?\u003c\/strong\u003e\u003cbr\u003eAs a non-isolated module, it is recommended to use shielded twisted-pair cabling and proper grounding at the terminal board to minimize electromagnetic interference and avoid false pulse counts, especially at frequencies near the 6 kHz maximum.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51902703632696,"sku":"AAP149-S00","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/AAP149-S001.jpg?v=1773717968","url":"https:\/\/www.automodulexpert.com\/products\/yokogawa-aap149-s00-pulse-input-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}