{"product_id":"aar145-s50-yokogawa-centum-fio-rtd-pot-module","title":"AAR145-S50 Yokogawa CENTUM FIO RTD POT Module","description":"\u003ch2\u003eYokogawa AAR145-S50 RTD POT Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-density temperature and position acquisition in CENTUM VP systems, the \u003cstrong\u003eYokogawa AAR145-S50\u003c\/strong\u003e (\u003cstrong\u003eAAR145\u003c\/strong\u003e RTD\/POT Input Module) provides direct physical signal processing across 16 individually isolated field channels.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe suffix alphanumeric sequence defines the hardware configuration and environmental protection build for the module assembly:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAAR145\u003c\/strong\u003e: Base model designation specifying a 16-channel isolated RTD and potentiometer input hardware module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-S\u003c\/strong\u003e: Standard type hardware configuration for general industrial control applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\u003c\/strong\u003e: Non-explosion-proof specification designed for installation in non-hazardous control cabinet environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0\u003c\/strong\u003e: Basic type execution providing standard terminal assignments and system firmware integration.\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\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\u003e1.5 kg (3.3 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard FIO 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\u003e350 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 channel-to-channel isolated inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRTD Signal Input\u003c\/td\u003e\n\u003ctd\u003ePt100 3-wire type (JIS C1604:1997 \/ IEC 751:1995)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePOT Signal Input\u003c\/td\u003e\n\u003ctd\u003ePotentiometer total resistance 100 ohm to 10 kohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasuring Current\u003c\/td\u003e\n\u003ctd\u003e1 mA (RTD mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRTD Accuracy\u003c\/td\u003e\n\u003ctd\u003e±150 mohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePOT Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.2% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Isolation\u003c\/td\u003e\n\u003ctd\u003e200 VAC for 1 minute between input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Isolation\u003c\/td\u003e\n\u003ctd\u003e500 VAC for 1 minute field-to-system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBurnout Detection\u003c\/td\u003e\n\u003ctd\u003eConfigurable UP \/ DOWN \/ OFF (approx. 60 s detection time)\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 individual channel-to-channel galvanic isolation, preventing inter-channel ground loops across long 3-wire Pt100 RTD and potentiometer wiring loops. Internal signal conditioning circuits generate a 1 mA excitation current for RTD measurements while providing selectable burnout diagnostic routines (UP, DOWN, or OFF) to flag element failures within 60 seconds. Furthermore, cold junction compensation (CJC) logic and 1 M ohm input resistance maintain tight signal accuracy even under fluctuating field ambient conditions. Digital updates stream continuously across the system bus, allowing dual-redundant module pairs to maintain uninterrupted temperature and position feedback for critical continuous process control loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can channels on the same AAR145-S50 module be mixed between RTD sensors and potentiometers?\u003c\/p\u003e\n\u003cp\u003eA: Yes, each of the 16 channels can be configured independently for either 3-wire Pt100 RTD inputs or potentiometer position signals via software configuration.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle sensor wire breakage?\u003c\/p\u003e\n\u003cp\u003eA: The onboard burnout detection circuit identifies open sensor loops within approximately 60 seconds and drives the process variable to a designated high (UP) or low (DOWN) fail-safe value.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInsert the module securely into a designated FIO baseplate slot, engaging the top and bottom mounting mechanisms until fully seated. Terminate field wiring using the appropriate terminal block or interface cable assembly, verifying that wire resistance remains below 150 ohm per line to preserve measurement accuracy. Route 3-wire RTD and potentiometer signal conductors away from high-voltage motor power leads to limit electromagnetic noise coupling. Connect cable shield conductors directly to the designated earth bus bar at a single ground point. Ensure surrounding cabinet temperatures remain within the 0 to 50 deg C operating range to maintain specified drift parameters.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":50523918762083,"sku":"AAR145-S50","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/895._3bfe7bba-aa57-4000-b925-3e98b9225d75.jpg?v=1790234615","url":"https:\/\/www.autocontrolglobal.com\/products\/aar145-s50-yokogawa-centum-fio-rtd-pot-module","provider":"AutoControl Global","version":"1.0","type":"link"}