{"product_id":"yokogawa-aap135-s50-pulse-input-module","title":"YOKOGAWA AAP135-S50 Pulse Input Module","description":"\u003cp\u003eConfigured for high-speed pulse acquisition in distributed control system (DCS) platforms, the \u003cstrong\u003eYOKOGAWA AAP135-S50\u003c\/strong\u003e (\u003cstrong\u003eAAP135\u003c\/strong\u003e Pulse Input Module) provides direct physical pulse counting and frequency measurement execution.\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\u003eAAP135-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\u003e0.12 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e10.2 x 8 x 5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e1.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Input\u003c\/td\u003e\n\u003ctd\u003ePulse Train\/Contact Closure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e0.1 Hz to 10 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eGalvanic Channel-to-Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and Signal Isolation\u003c\/h3\u003e\n\u003cp\u003eThe AAP135-S50 incorporates advanced signal processing to manage pulse input integrity within the DCS environment. The module features channel-to-channel isolation, preventing electrical interference between disparate field sensors from propagating through the backplane. Each input channel supports high-resolution counting logic, essential for flow metering and rotational speed detection. The architecture facilitates direct 4-20 mA loop monitoring compatibility, ensuring that pulse data is synchronized with existing process control loops without external signal conditioning.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the AAP135-S50 module support hot-swapping during system operation?\u003c\/p\u003e\n\u003cp\u003eA: Yes, this module supports hot-swapping within a powered chassis, provided the relevant DCS configuration software is set to maintenance mode to prevent unexpected output responses.\u003c\/p\u003e\n\u003cp\u003eQ: Is external power required for the field sensor supply?\u003c\/p\u003e\n\u003cp\u003eA: The module provides an internal excitation voltage for passive contact closures; however, active sensors require an external 24 VDC power source compliant with system grounding requirements.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the mounting surface for the DIN-rail or chassis is clean and free of conductive debris to maintain proper electrical grounding.\u003c\/li\u003e\n\u003cli\u003eUse shielded twisted-pair cabling for all pulse input signals to minimize electromagnetic interference (EMI). Connect the shield only at the field junction box or module ground terminal to prevent ground loops.\u003c\/li\u003e\n\u003cli\u003eVerify that terminal wiring complies with the specified torque settings for the screw terminals to avoid intermittent connectivity during thermal expansion.\u003c\/li\u003e\n\u003cli\u003eEnsure the module is fully engaged with the backplane connector before securing the retaining screws to ensure proper communication velocity with the CPU.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49221217288444,"sku":"AAP135-S50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/AAI841-S00_S2.jpg?v=1779933631","url":"https:\/\/www.electronicplc.com\/ar\/products\/yokogawa-aap135-s50-pulse-input-module","provider":"Electronic PLC","version":"1.0","type":"link"}