{"product_id":"analog-input-module-foxboro-ad205yb-i-a-series","title":"Analog Input Module | Foxboro AD205YB I\/A Series","description":"\u003ch2\u003eFoxboro AD205YB I\/A Series High-Density Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFoxboro AD205YB\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAD205YB\u003c\/strong\u003e High-Density Analog Input Module, operates as a dedicated hardware component for multi-channel analog signal processing and field data acquisition within Foxboro I\/A Series platforms.\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\u003eAD205YB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eFoxboro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.30 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Foxboro I\/A Series Form Factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax approx 8.5 W per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 32 analog inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Support\u003c\/td\u003e\n\u003ctd\u003eVoltage (-32 V to +32 V), Current (-20 mA to +20 mA), RTDs, Thermocouples\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Scan Frequency\u003c\/td\u003e\n\u003ctd\u003eApprox 250 ms per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated Memory\u003c\/td\u003e\n\u003ctd\u003e16 MB SDRAM, 32 MB Flash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003e24 VDC (supports redundant supply)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArchitecture\u003c\/td\u003e\n\u003ctd\u003eSingle processor; fault-tolerant requires dual modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eCold Junction Compensation and 4-20 mA HART Loop Protocol\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFoxboro AD205YB\u003c\/strong\u003e digitizes up to 32 field signal lines via an onboard 16-bit analog-to-digital converter array. Built-in cold junction compensation (CJC) circuits balance thermoelectric voltage shifts across local field terminal blocks during thermocouple sampling. Galvanic channel-to-channel isolation suppresses common-mode voltage spikes and eliminates ground loops, maintaining signal integrity for standard 4-20 mA HART loop protocol transmitters and continuous voltage, RTD, or direct loop connections.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the AD205YB maintain operation during primary power supply loss?\u003c\/p\u003e\n\u003cp\u003eA: The module houses dual 24 VDC input terminals joined via internal diode-ORing logic. If the main power feeder fails, current draws instantaneously from the secondary line without dropping active channel scans.\u003c\/p\u003e\n\u003cp\u003eQ: What requirements exist for implementing fault tolerance on this module?\u003c\/p\u003e\n\u003cp\u003eA: Fault tolerance mandates installing two identical AD205YB modules into a redundant baseplate slot pair, enabling parallel signal evaluation and dual-processor tracking across the backplane.\u003c\/p\u003e\n\u003cp\u003eQ: Can RTD and thermocouple inputs share the same module concurrently?\u003c\/p\u003e\n\u003cp\u003eA: Yes. Onboard firmware configures individual channel groups independently, allowing mixed voltage, current, RTD, and thermocouple wiring across the 32 available inputs.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Line Isolation\u003c\/strong\u003e: De-energize all 24 VDC power feeders connected to the enclosure rack before inserting or removing the module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet Frame Bonding\u003c\/strong\u003e: Connect a short, low-impedance copper grounding strap from the chassis earth lug to the main system earth grounding bar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrain Wire Termination\u003c\/strong\u003e: Strip outer signal cable insulation cleanly, securing individual and overall shield drain wires to designated cabinet grounding clamps to route electromagnetic noise away from signal lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConduit Run Separation\u003c\/strong\u003e: Route field input lines in separate wiring channels away from heavy AC power cables, variable frequency drives, and inductive load switches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack Slot Engagement\u003c\/strong\u003e: Align the module card edges evenly with the baseplate guide rails and slide the unit inward until the rear bus connectors lock into place.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":43841670185059,"sku":"AD205YB","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/174_b3fb5ad5-e325-4302-97f7-a2af6be0608d.jpg?v=1763435662","url":"https:\/\/www.autocontrolglobal.com\/products\/analog-input-module-foxboro-ad205yb-i-a-series","provider":"AutoControl Global","version":"1.0","type":"link"}