{"product_id":"yokogawa-aap849-s50-pulse-input-analog-output-module","title":"YOKOGAWA AAP849-S50 Pulse Input\/Analog Output Module","description":"\u003cp\u003eConfigured for high-speed pulse processing and signal conversion in distributed control system (DCS) platforms, the \u003cstrong\u003eYOKOGAWA AAP849-S50\u003c\/strong\u003e (\u003cstrong\u003eAAP849\u003c\/strong\u003e Pulse Input\/Analog Output Module) provides direct physical signal translation and output 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\u003eAAP849-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\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eCompact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e1460 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 pulse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e8 analog (4-20 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003eUp to 50 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounting Range\u003c\/td\u003e\n\u003ctd\u003e0 to 999,999,999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Process Control and Signal Conversion\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eYOKOGAWA AAP849-S50\u003c\/strong\u003e serves as the primary \u003cstrong\u003eAAP849\u003c\/strong\u003e Pulse Input\/Analog Output Module utilized to execute frequency-to-analog signal conversion and pulse counting across DCS platforms. The architecture enables the acquisition of high-speed pulse trains up to 50 kHz, which are internally processed and mapped to 4-20 mA current outputs for standard instrumentation loops. This module facilitates real-time monitoring of rotational speed and flow volume while maintaining deterministic control signal output, ensuring high accuracy in frequency-dependent process loops without requiring external signal converters.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does this module support bidirectional communication for the 4-20 mA loops?\u003c\/p\u003e\n\u003cp\u003eA: The module is optimized for unidirectional conversion from pulse input to 4-20 mA analog output. It is intended for process control applications requiring signal translation rather than digital HART communication.\u003c\/p\u003e\n\u003cp\u003eQ: Is the 1460 mA power consumption constant during operation?\u003c\/p\u003e\n\u003cp\u003eA: The 1460 mA figure represents the maximum power draw in a single configuration. Users must ensure the backplane power budget can support this current requirement to prevent voltage drops and module reset events.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the module in a well-ventilated enclosure to maintain the specified operating temperature range of 0 to 50 deg C, preventing thermal degradation of the internal circuitry.\u003c\/li\u003e\n\u003cli\u003eVerify that pulse input lines are shielded and grounded at a single point to mitigate high-frequency interference, which can cause counting inaccuracies at 50 kHz.\u003c\/li\u003e\n\u003cli\u003eEnsure that the 4-20 mA output load resistance remains within the specified range for the module to maintain current regulation accuracy.\u003c\/li\u003e\n\u003cli\u003ePerform a cold-start check of the backplane connector pins for structural integrity, as the 700 g weight of the module requires a secure fit to prevent mechanical strain on the bus pins.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49221460459772,"sku":"AAP849-S50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/AAV141-S50.jpg?v=1781575114","url":"https:\/\/www.electronicplc.com\/products\/yokogawa-aap849-s50-pulse-input-analog-output-module","provider":"Electronic PLC","version":"1.0","type":"link"}