{"product_id":"yokogawa-aai835-s03-centum-vp-analog-i-o-module","title":"Yokogawa AAI835-S03 CENTUM VP Analog I\/O Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AAI835-S03 (Replaced by AAI835-S53)\u003c\/strong\u003e is a high-reliability analog input\/output module belonging to the \u003cstrong\u003eCENTUM VP\u003c\/strong\u003e distributed control system (DCS) series. Operating with standard 4 to 20 mA industrial instrumentation loops, this module provides 4 isolated input channels and 4 isolated output channels. The specific suffix layout designates this hardware as a standard type built without built-in explosion protection. To assure continuous loop execution across hazardous environments, the device is configured with an ISA Standard G3 chemical corrosion-resistant conformal coating option alongside an extended temperature endurance qualification spanning from -20 to 70 degC. Each field pathway is completely isolated from the system backplane and neighboring channels, allowing for direct installation in dual-redundant system architectures.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart of the \u003cstrong\u003eCENTUM VP\u003c\/strong\u003e process control platform supporting dual-redundant configurations.\u003c\/li\u003e\n\u003cli\u003eComplete channel-to-channel and field-to-system electrical isolation.\u003c\/li\u003e\n\u003cli\u003eIntegrated transmitter power supply capabilities built directly into the current input loops.\u003c\/li\u003e\n\u003cli\u003eEnhanced durability featuring ISA Standard G3 conformal coating for aggressive atmospheres.\u003c\/li\u003e\n\u003cli\u003eExtended ambient thermal design qualified for operation from -20 up to 70 degC.\u003c\/li\u003e\n\u003cli\u003eSupports digital data overlays via native HART communication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSimultaneous valve positioning control and flow transmitter monitoring.\u003c\/li\u003e\n\u003cli\u003eHigh-integrity loops demanding channel-to-channel isolation to prevent ground loop faults.\u003c\/li\u003e\n\u003cli\u003eDistributed control layouts situated in corrosive environmental conditions or unconditioned areas.\u003c\/li\u003e\n\u003cli\u003eCritical process sectors requiring continuous operation via dual-redundant I\/O configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModel\/Suffix Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOption Specification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAAI835\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnalog I\/O Module (4 to 20 mA, 4-channel input\/4-channel output, Isolated channels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-S\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e0 (5)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWith no explosion protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWith ISA Standard G3 option and temperature (-20 to 70 degC) option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eItems\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAAI835-S03 (Replaced by AAI835-S53)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of I\/O channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-channel input \/ 4-channel output, isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI\/O signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput: 4 to 20 mA; Output: 4 to 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAllowable input current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWithstanding voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eBetween input and system: 500 V AC, for 1 minute\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e \u003c\/p\u003e\n\u003cp\u003eBetween input channels: 500 V AC, for 1 minute\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e \u003c\/p\u003e\n\u003cp\u003eBetween input\/output and system: 500 V AC, for 1 minute\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e \u003c\/p\u003e\n\u003cp\u003eBetween input\/output channels: 500 V AC, for 1 minute\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003ePower ON: 290 Ohm (at 20 mA) to 450 Ohm (at 4 mA)\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e \u003c\/p\u003e\n\u003cp\u003ePower OFF: 500 kOhm or larger\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAllowable load resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOutput: 0 to 750 Ohm (200 to 750 Ohm when operating between 60 to 70 degC in an ER bus node unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCircuit-open detection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOutput: Less than 0.65 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInput: ±16 uA; Output: ±48 uA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData update period\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmitter power supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.0 V or higher (at 20 mA); 29.3 V or less (at 0 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature drift\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±16 uA \/ 10 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum current consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e360 mA (5 V DC), 450 mA (24 V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExternal connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePressure clamp terminal, MIL connector cable, dedicated cable (KS1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHART communication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAvailable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the module securely within its allocated slot on the CENTUM VP node backplane, ensuring complete seating of the rear multi-pin connections.\u003c\/li\u003e\n\u003cli\u003eExternal barriers must be observed: A Zener barrier is not allowed to be connected with this module; use an isolation barrier if implementing intrinsically safe field layouts.\u003c\/li\u003e\n\u003cli\u003eWhen using a MIL connector cable for field distribution, verify that the application withstanding voltage limits match the electrical boundaries of the chosen cable assembly.\u003c\/li\u003e\n\u003cli\u003eMaintain clean air boundary lanes within the marshaling cabinet to ensure ambient conditions remain inside the -20 to 70 degC operational constraints.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53443975905643,"sku":"AAI835-S03","price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/AAI835-S03.jpg?v=1782881200","url":"https:\/\/www.plcprotech.com\/fa\/products\/yokogawa-aai835-s03-centum-vp-analog-i-o-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}