{"product_id":"aap849-s50-yokogawa-centum-vp-cs-3000-analog-input-modules","title":"AAP849-S50 YOKOGAWA CENTUM VP CS 3000 Analog Input Modules","description":"\u003ch2\u003eYOKOGAWA AAP849-S50 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYOKOGAWA AAP849-S50\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAAP849\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for collecting analog signal inputs and converting process variables within CENTUM VP, CS 3000, and ProSafe-RS control system architectures.\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\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e130 x 45 x 245 mm\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\u003e5 VDC: ~600 mA, 24 VDC: ~550 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e32 analog input points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC (permissible: 0-25 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Conversion\u003c\/td\u003e\n\u003ctd\u003e16-bit resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Update Frequency\u003c\/td\u003e\n\u003ctd\u003e40 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-system: 1.5 kV AC for 1 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e250 ohm (powered), \u0026gt;=500 kohm (unpowered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation and Process Control Integration\u003c\/h3\u003e\n\u003cp\u003eYokogawa DCS architectures rely on strict channel-to-system isolation and stable loop execution to preserve signal integrity across high-density field wiring networks. The unit processes standard 4-20 mA current loops, utilizing internal 16-bit A\/D conversion circuits to digitize field telemetry at a 40 ms refresh rate. High dielectric galvanic isolation rating of 1.5 kV AC prevents ground potential differentials from propagating to internal system backplane buses, preserving cold junction compensation accuracy and shielding adjacent system nodes during field transient conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the input impedance behavior of the module when power to the backplane is removed?\u003c\/p\u003e\n\u003cp\u003eA: When unpowered, the input impedance switches from its active 250 ohm operating load to a high-impedance state of \u0026gt;=500 kohm, preventing complete loop disruption on unpowered field circuits.\u003c\/p\u003e\n\u003cp\u003eQ: How does channel-to-system isolation protect connected backplane electronics during field ground faults?\u003c\/p\u003e\n\u003cp\u003eA: Integrated isolation transformers and optocouplers provide a 1.5 kV AC withstand barrier for 1 minute between the field terminals and the system logic, containing high-voltage surges at the channel level.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003ePosition the card alignment guides into the designated slot of the node chassis (such as ANB10D or ANB10S), pressing firmly until the module backplane connectors fully engage, then tighten the top and bottom retention screws. Strip signal cable conductors to the manufacturer specification, clamping field wiring into terminal blocks using recommended torque limits to maintain low-resistance contact.\u003c\/p\u003e\n\u003cp\u003eRoute input signal lines through dedicated instrument wire runs, keeping high-voltage power conduits separated by at least 300 mm. Bond all cable shield wires directly to the cabinet enclosure earth bus at a single ground point to suppress external high-frequency noise interference across the analog loops.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43895554244698,"sku":"AAP849-S50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/163._a7447fd2-1af9-43e1-a906-2766a2867e8b.jpg?v=1787542264","url":"https:\/\/www.spareoil.com\/products\/aap849-s50-yokogawa-centum-vp-cs-3000-analog-input-modules","provider":"SpareOil Automation","version":"1.0","type":"link"}