{"product_id":"aar145-s50-yokogawa-analog-input-module-new-original-stock","title":"AAR145-S50 Yokogawa Analog Input Module | New \u0026 Original Stock","description":"\u003ch2\u003eYokogawa AAR145-S50 CENTUM VP\/CS 3000 FIO Subsystem\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AAR145-S50\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAAR145\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for 4-20 mA current signal acquisition within CENTUM VP \/ CS 3000 FIO platforms. The hardware accepts 16 isolated analog inputs from field transmitters, converting physical loop currents into digitized data frames for real-time monitoring.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSuffix \/ Identifier\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eCode\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003eAAR145\u003c\/td\u003e\n\u003ctd\u003eAnalog Input Module (16-channel, isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuffix Code 1\u003c\/td\u003e\n\u003ctd\u003e-S\u003c\/td\u003e\n\u003ctd\u003eStandard type with enhanced dual-redundant switch-over response\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuffix Code 2\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eWith no explosion protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuffix Code 3\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003eBasic type with standard factory build options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplete Package\u003c\/td\u003e\n\u003ctd\u003e-S50\u003c\/td\u003e\n\u003ctd\u003eISA Standard G3 corrosion coating and extended operating temperature profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eAAR145-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\u003e0.3 kg (Net) \/ 1.5 kg (Shipping Weight)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e178 mm x 200 mm x 94 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 (Extended Range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e230 mA at 5 VDC (Logic Power); 540 mA at 24 VDC (Field Power)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC\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\u003eInput Resistance\u003c\/td\u003e\n\u003ctd\u003e250 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Period\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Type\u003c\/td\u003e\n\u003ctd\u003eChannel-to-system electrical isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 VAC for 1 minute (Input to system logic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrosion Protection\u003c\/td\u003e\n\u003ctd\u003eISA Standard G3 conformal coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe module processes raw 4-20 mA electrical current inputs from field instruments, utilizing an internal 250 ohm precision sensing resistor per loop. The built-in circuitry achieves continuous channel-to-system galvanic isolation backed by a 1500 VAC withstanding voltage threshold. This network prevents ground loops from corrupting parallel measurement lines, suppressing high-frequency common-mode voltages and protecting downstream logic backplanes from field-side voltage spikes.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the AAR145-S50 manage an open-circuit fault on a field input loop?\u003c\/p\u003e\n\u003cp\u003eA: The internal diagnostics monitor circuit continuity constantly. If the loop current drops below 0.65 mA, the module triggers a circuit-open detection flag, transmitting an input fault status code to the central control processor within the 10 ms data refresh cycle.\u003c\/p\u003e\n\u003cp\u003eQ: What is the benefit of the enhanced switch-over response linked to the -S50 suffix?\u003c\/p\u003e\n\u003cp\u003eA: The enhanced switch-over response enables rapid data path transition when deployed in a dual-redundant pair on an FIO baseplate. If the primary module fails, the secondary backup module assumes loop processing duties without causing signal dropout or disrupting control loop tracking.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the module securely into its assigned slot on the FIO baseplate, verifying that both upper and lower mechanical block levers lock firmly onto the chassis rail.\u003c\/li\u003e\n\u003cli\u003eRoute all 4-20 mA analog input cables through separate cabinet wire trays, maintaining distance from high-voltage AC power distribution or motor control cables.\u003c\/li\u003e\n\u003cli\u003eTerminate instrument cable shields explicitly at the dedicated chassis earth\/shield ground bus bar inside the marshalling panel, leaving the transmitter end ungrounded.\u003c\/li\u003e\n\u003cli\u003eEnsure the local cabinet environment does not exceed the extended -20 to +70 deg C thermal threshold by keeping internal ventilation ports free of dust accumulation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43510360113242,"sku":"AAR145-S50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/172._75f6b839-1cef-423f-9543-852b6b3bf9b4.jpg?v=1781680558","url":"https:\/\/www.spareoil.com\/products\/aar145-s50-yokogawa-analog-input-module-new-original-stock","provider":"SpareOil Automation","version":"1.0","type":"link"}