{"product_id":"abb-ai581-s-safety-analog-input-module-4-4-20-ma-channels-sil-2-3-24vdc","title":"ABB – AI581-S – Safety Analog Input Module, 4 × 4–20 mA Channels, SIL 2\/3, 24VDC","description":"\u003cp class=\"p\"\u003eThe \u003cspan class=\"s\"\u003e\u003cb\u003eABB AI‑S\u003c\/b\u003e\u003c\/span\u003e (P\/N SAPB) is a high-integrity safety-rated analog input module in the AC‑S (S) PLC series. It offers four configurable current inputs (– mA or – mA, ‑bit resolution) and provides SIL  performance across all channels, with up to SIL  achievable on two channels under discrepancy monitoring. Designed for functional safety applications, it features PROFIsafe-enabled, fast conversion, configurable filtering, and robust diagnostics.\u003c\/p\u003e\n\u003cp class=\"p\"\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p\"\u003e \u003c\/p\u003e\n\u003ch\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/h\u003e\n\u003cp class=\"p\"\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eInputs:\u003c\/b\u003e\u003c\/span\u003e  analog channels, – mA or – mA selectable, ‑bit resolution,  Ω input resistance \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eSafety Integrity:\u003c\/b\u003e\u003c\/span\u003e SIL  across all four channels; two-channel SIL  capability with built-in discrepancy supervision\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eSafety Communication:\u003c\/b\u003e\u003c\/span\u003e PROFIsafe over PROFINET, designed for AC‑S systems \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eSupply \u0026amp; Power:\u003c\/b\u003e\u003c\/span\u003e  V DC (.–. V), approx.  mA; reverse-polarity protected \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003ePerformance:\u003c\/b\u003e\u003c\/span\u003e . ms conversion cycle; – ms configurable input filter;  ms input time constant; max  Hz signal frequency \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eDiagnostics:\u003c\/b\u003e\u003c\/span\u003e Front-panel LEDs for power, errors, and per-channel status; test-function support via PROFIsafe \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eMechanical:\u003c\/b\u003e\u003c\/span\u003e Compact IP housing, DIN-rail mountable, . ×  ×  mm; weight approx.  g \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eEnvironment:\u003c\/b\u003e\u003c\/span\u003e Operating – °C (XC versions extend range), non-condensing humidity, compatible with harsh environments per AC‑S‑XC \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":55878900679030,"sku":"EB-286690503510","price":379.05,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/4202\/8857\/files\/57_b11661c1-2786-46da-a576-de197275c591.png?v=1751749819","url":"https:\/\/volt-werk.com\/products\/abb-ai581-s-safety-analog-input-module-4-4-20-ma-channels-sil-2-3-24vdc","provider":"VOLTWERK Handel","version":"1.0","type":"link"}