{"product_id":"yokogawa-aai135-s03-centum-vp-analog-input-module","title":"Yokogawa AAI135-S03 CENTUM VP Analog Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AAI135-S03 (Replaced by AAI135-S53)\u003c\/strong\u003e is a high-performance analog input module belonging to the \u003cstrong\u003eCENTUM VP\u003c\/strong\u003e distributed control system (DCS) series. Purpose-built to receive standard 4 to 20 mA industrial field signals, this module features an 8-channel input configuration with complete galvanic channel-to-channel isolation. The specific suffix layout designates this hardware as a standard type engineered with no explosion protection options. To ensure uninterrupted loop tracking in aggressive plant environments, the unit comes outfitted with an ISA Standard G3 chemical corrosion-resistant conformal coating option and an extended temperature endurance qualification spanning from -20 to 70 degC. Each field pathway is thoroughly isolated from both the system backplane and neighboring channels, allowing for seamless integration into high-availability, dual-redundant control system topologies.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDeployed within the \u003cstrong\u003eCENTUM VP\u003c\/strong\u003e control platform supporting dual-redundant hot-standby architectures.\u003c\/li\u003e\n\u003cli\u003eFeatures 8 analog input channels with complete galvanic field-to-system and channel-to-channel electrical isolation.\u003c\/li\u003e\n\u003cli\u003eIntegrated transmitter power supply capability designed directly into the input circuit loops to drive 2-wire instruments.\u003c\/li\u003e\n\u003cli\u003eEnhanced hardware durability via ISA Standard G3 conformal coating for harsh chemical or corrosive environments.\u003c\/li\u003e\n\u003cli\u003eExtended thermal operational profile rated for steady execution from -20 up to 70 degC.\u003c\/li\u003e\n\u003cli\u003eSupports advanced field asset diagnostics via native digital HART communication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-density process monitoring loops in refinery, petrochemical, and power generation facilities.\u003c\/li\u003e\n\u003cli\u003eHigh-integrity instrumentation setups requiring dedicated channel isolation to eliminate ground loops.\u003c\/li\u003e\n\u003cli\u003eDistributed control infrastructure positioned in aggressive, unconditioned outdoor environment spaces.\u003c\/li\u003e\n\u003cli\u003eSafety-critical or high-availability processing lines demanding dual-redundant input 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\u003eAAI135\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnalog Input Module (4 to 20 mA, 8-channel, 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\u003eAAI135-S03 (Replaced by AAI135-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\u003e8-channel input, 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\u003e4 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\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\u003e—\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\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±16 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\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\u003eAlign and insert the input module into its specified node backplane interface slot within the CENTUM VP rack, confirming that all backplane connectors latch with zero binding tension.\u003c\/li\u003e\n\u003cli\u003eMaintain critical loop protection constraints: A Zener barrier is not allowed to be connected with this module. An isolation barrier must be implemented when deploying this device within intrinsically safe field loops.\u003c\/li\u003e\n\u003cli\u003eFor installations routing through a MIL connector cable interface, check that the overall application withstanding voltage limitations conform to the distinct technical boundaries of the chosen wiring cable harness.\u003c\/li\u003e\n\u003cli\u003eKeep cabinet ventilation channels clear to permit optimal convection airflow, ensuring internal temperatures stay safely inside the designated -20 to 70 degC envelope.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53443979772267,"sku":null,"price":2800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/AAI135-S03_1.jpg?v=1782882698","url":"https:\/\/www.plcprotech.com\/de\/products\/yokogawa-aai135-s03-centum-vp-analog-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}