{"product_id":"pulse-input-analog-output-module-yokogawa-aap849-s00","title":"Pulse Input Analog Output Module | Yokogawa AAP849-S00","description":"\u003ch2\u003eYokogawa AAP849-S00 Pulse Input Analog Output Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AAP849-S00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAAP849-S00\u003c\/strong\u003e Pulse Input \/ Analog Output Module, operates as a dedicated hardware component for converting pulse train signals into proportional 4-20 mA analog currents within CENTUM VP process control network node units.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe suffix codes appended to the base AAP849 model designate specific operational configurations and revision hardware parameters:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAAP849\u003c\/strong\u003e: Base module hardware designation for the 8-channel pulse input and 8-channel analog output assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-S\u003c\/strong\u003e: Designates the standard module type without specialized intrinsic safety barriers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0\u003c\/strong\u003e: Indicates standard type functional logic without tailored firmware additions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0\u003c\/strong\u003e: Specifies basic type execution with default physical terminal configurations.\u003c\/li\u003e\n\u003c\/ul\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-S00\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 (0.66 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard CENTUM VP card slot footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0-50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e310 mA at 5 VDC, 250 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 pulse input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e8 analog output channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eTransistor contact (open collector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Frequency Range\u003c\/td\u003e\n\u003ctd\u003e0 to 12 kHz\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\u003eOutput Load Resistance\u003c\/td\u003e\n\u003ctd\u003e0 to 750 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Step Response Time\u003c\/td\u003e\n\u003ctd\u003e40 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Update Period\u003c\/td\u003e\n\u003ctd\u003e1 ms (Input), 10 ms (Output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eNon-isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eSupports dual-redundant configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Signal Processing\u003c\/h3\u003e\n\u003cp\u003eThis module incorporates dedicated channel-to-channel pulse conversion logic designed to maintain signal precision across dynamic flow measurement loops. Furthermore, internal signal conversion circuits process incoming transistor contact inputs along trailing edges to guarantee precise frequency counting up to 12 kHz. The onboard digital-to-analog system executes output step updates within 40 ms, suppressing step changes during rapid primary loop transitions. Because the internal circuitry employs a non-isolated architecture, external isolation amplifiers or properly grounded field power supplies mitigate ground loops across the 4-20 mA HART loop protocol interfaces. Additionally, the unit continuously checks loop connectivity, setting output levels below 0.65 mA to signal open-circuit faults directly to the main controller.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the module react during field wiring disconnection on an analog output channel?\u003c\/p\u003e\n\u003cp\u003eA: The module executes circuit-open detection when loop current drops below 0.65 mA, signaling an explicit diagnostic error code across the internal bus backplane.\u003c\/p\u003e\n\u003cp\u003eQ: Can two AAP849-S00 modules operate in a hot-standby configuration?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the unit supports dual-redundant placement inside paired I\/O node slots, allowing automatic output switching without interrupting the 4-20 mA control loop.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the module directly into a compatible CENTUM VP I\/O node chassis slot until the top and bottom retaining latches lock fully into position. Connect external field signals via a dedicated KS1 interface cable to maintain stable contact resistance and minimize electrical signal reflection. Ensure field wiring shielding grounds at a single common earth bus bar to prevent common-mode noise corruption, as internal input channels share a non-isolated signal ground plane. Verify supply voltage levels to maintain input power within the specified nominal ranges of 5 VDC and 24 VDC. Maintain adequate vertical chassis spacing within the enclosure to allow unobstructed thermal convection across surrounding heatsinks during continuous duty cycles.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":50523885142115,"sku":"AAP849-S00","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/142._0b0abec5-2f06-4c66-a432-6e619dfa905d.jpg?v=1790233413","url":"https:\/\/www.autocontrolglobal.com\/products\/pulse-input-analog-output-module-yokogawa-aap849-s00","provider":"AutoControl Global","version":"1.0","type":"link"}