{"product_id":"ai531-new-analog-input-module-abb-8-channel","title":"AI531 New Analog Input Module - ABB 8-Channel","description":"\u003ch2\u003e\u003cstrong\u003eABB AI531 Analog Input Module – 8 Multifunction AI\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \u0026amp; Model\u003c\/strong\u003e: \u003cstrong\u003eABB AI531\u003c\/strong\u003e – part of the ABB S500 series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Inputs\u003c\/strong\u003e: 8 channels, configurable as U, I, RTD, R, TC, or DI.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution\u003c\/strong\u003e: 16 bit (with sign) for high-accuracy measurements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e: 24 V DC nominal, suitable for standard industrial power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: 0 °C to +60 °C; storage from -40 °C to +70 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Degree\u003c\/strong\u003e: IP20 (housing) for installation in control cabinets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions \u0026amp; Weight\u003c\/strong\u003e: 76 x 67.5 x 62 mm (HxWxD), net weight 0.128 kg.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation and Wiring Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe module accepts 1, 2, 3, or 4-wire RTD and resistance transducers.\u003c\/li\u003e\n\u003cli\u003eUse pluggable terminal blocks for convenient field wiring and maintenance.\u003c\/li\u003e\n\u003cli\u003eMount the unit on a standard 35 mm DIN rail inside your cabinet.\u003c\/li\u003e\n\u003cli\u003eConnect a stable 24 V DC supply to the power terminals (observe polarity).\u003c\/li\u003e\n\u003cli\u003eEnsure adequate airflow and keep ambient temperature below 60 °C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Signal Ranges\u003c\/strong\u003e: 0~10V, ±10V, 0~20mA, 4~20mA, Pt100\/1000, Ni100\/120, resistance (0~500Ω \/ 0~5kΩ), thermocouples (B, E, J, K, N, R, S, T), and digital status.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution\u003c\/strong\u003e: 16 bit (including sign) for improved low-signal detection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Coefficient\u003c\/strong\u003e: typical ±15 ppm\/°C ensures stable readings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon Mode Rejection\u003c\/strong\u003e: \u0026gt; 80 dB to suppress electrical noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConversion Time\u003c\/strong\u003e: approx. 10 ms per channel in cyclic scan mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanic Isolation\u003c\/strong\u003e: between channels and system bus for robust interference rejection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEnvironmental Tolerance and Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCE compliant and follows EU Directive 2011\/65\/EU and RoHS amendment 2015\/863.\u003c\/li\u003e\n\u003cli\u003eREACH declaration available (contains substances \u0026gt; 0.1% mass).\u003c\/li\u003e\n\u003cli\u003eOperating humidity: 5% to 95% (non-condensing) for diverse factory floors.\u003c\/li\u003e\n\u003cli\u003eVibration and shock resistance per IEC 61131-2 standards.\u003c\/li\u003e\n\u003cli\u003eWide storage temperature range supports global logistics and warehousing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan the AI531 connect thermocouples and RTDs simultaneously?\u003c\/strong\u003e\u003cbr\u003eYes. Each of the 8 channels is independently configurable for TC, RTD, voltage, current, or digital input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes this module support 4-wire RTD connections?\u003c\/strong\u003e\u003cbr\u003eAbsolutely. \u003cstrong\u003eABB AI531\u003c\/strong\u003e supports 1 to 4-wire configurations for precise resistance measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the allowable supply voltage range?\u003c\/strong\u003e\u003cbr\u003eRated at 24 V DC, the acceptable range is typically 19.2 V to 28.8 V DC (including ripple).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the maximum operating temperature?\u003c\/strong\u003e\u003cbr\u003eThe module operates up to 60 °C, and stores at 70 °C. Ensure good ventilation inside your cabinet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo you have stock? How fast is delivery?\u003c\/strong\u003e\u003cbr\u003eYes, we have substantial stock. We ship within 5 days via DHL, UPS, or FedEx.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I return the product if it does not fit my application?\u003c\/strong\u003e\u003cbr\u003eYes. We support a 30-day return window, provided the item is unused and in its original packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e© 2026 NexAuto Technology Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003cbr\u003eContact Email: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e\u003cbr\u003ePhone (WhatsApp): \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":48250234339586,"sku":"AI531","price":258.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/AI531-1.jpg?v=1785912239","url":"https:\/\/www.nex-auto.com\/products\/ai531-new-analog-input-module-abb-8-channel","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}