{"product_id":"abb-1sap284000r0001-di581-s-ac500-s-safety-discrete-input-module","title":"ABB 1SAP284000R0001 DI581-S AC500-S Safety Discrete Input Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #003366;\"\u003eABB DI581-S (1SAP284000R0001)\u003c\/strong\u003e is a high-integrity 16-channel safety digital input module designed for the \u003cstrong\u003eAC500-S Safety PLC system\u003c\/strong\u003e. Engineered for functional safety applications up to SIL 3 (IEC 62061) and PL e (ISO 13849-1), it provides reliable 24 V DC signal acquisition from field safety devices such as emergency stop buttons, light curtains, and safety switches. Operating with a low logic current draw of 0.18 A at 24 V DC, the DI581-S features comprehensive internal diagnostics, reverse polarity protection, and robust environmental resilience for demanding industrial control systems. Weighing approximately \u003cstrong\u003e0.135 kg (0.30 lbs)\u003c\/strong\u003e, this compact module mounts onto standard AC500 terminal units (TU582-S).\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable border=\"1\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #003366; color: white;\"\u003e\n      \u003cth style=\"padding: 8px; text-align: left;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"padding: 8px; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eProduct Model\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e\u003cstrong\u003eDI581-S\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eOrder Code \/ Part Number\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e\u003cstrong\u003e1SAP284000R0001\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003ePLC Family\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eABB AC500-S Safety PLC System\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eNumber of Channels\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e16 Safety Digital Inputs (24 V DC)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eSafety Integrity Level\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eSIL 3 (IEC 62061 \/ IEC 61508), PL e (ISO 13849-1)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eRated Supply Voltage\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e24 V DC (-15%, +20%, max 5% ripple)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eSignal Voltage Levels\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eSignal 0: -3 to +5 V | Signal 1: +15 to +30 V\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eElectronics Current Draw\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e0.18 A @ 24 V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eMaximum Cable Length\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e600 m (unshielded field wiring)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eProtection \u0026amp; Fuse Rating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eReverse Voltage Protection | 10 A Fast-Blow (UP)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eOperating Humidity \u0026amp; Pressure\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eMax 95% RH (non-condensing) | \u0026gt; 800 hPa (\u0026lt; 2000m)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eStorage \u0026amp; Transport Temp.\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e-40°C to +85°C (-40°F to +185°F)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eNet Weight\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e\u003cstrong\u003e0.135 kg (0.30 lbs)\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Design \u0026amp; Hardware Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSIL 3 \/ PL e Functional Safety Certification:\u003c\/strong\u003e Purpose-built for high-integrity safety loops in automated systems, machine safety, and hazardous process environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-Distance Unshielded Cabling:\u003c\/strong\u003e Supports up to 600-meter unshielded cable runs, reducing installation costs and enabling long-distance field sensor connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Interruption Immunity:\u003c\/strong\u003e Tolerates DC power supply interruptions up to 10 ms without dropping safety state, maintaining high operational availability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Electrical Protection:\u003c\/strong\u003e Integrated reverse voltage protection and fast-blow 10 A external fuse rating safeguard logic electronics against field wiring faults.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guidelines\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. Terminal Unit Mounting:\u003c\/strong\u003e Snap the DI581-S safety module onto its corresponding AC500-S safety terminal unit (e.g., TU582-S) until the locking mechanism fully engages.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e2. Grounding \u0026amp; Shielding:\u003c\/strong\u003e Although unshielded cables up to 600m are supported, ensure the 24 V DC field supply common (FE) is connected to functional earth to maximize EMC resistance in high-noise environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e3. Power Supply Fuse Protection:\u003c\/strong\u003e Install a 10 A fast-blow fuse on the UP supply line to protect the module internal power routing from external short-circuit events.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions (FAQs)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ1: Can the ABB DI581-S module be used in standard non-safety AC500 CPUs?\u003c\/strong\u003e\u003cbr\u003e\nA1: The DI581-S is specifically designed for the AC500-S Safety PLC platform and must be managed by an AC500 safety CPU (such as the SM560-S) to execute SIL 3 \/ PL e safety logic.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: What happens during short DC power supply dips?\u003c\/strong\u003e\u003cbr\u003e\nA2: The module incorporates power-ride-through capability that withstands DC supply interruptions under 10 ms, preventing false safety trips during transient power fluctuations.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: What terminal unit is compatible with the DI581-S 1SAP284000R0001 module?\u003c\/strong\u003e\u003cbr\u003e\nA3: The DI581-S connects to the TU582-S safety terminal unit, which provides dedicated terminal connections for the 16 safety digital inputs and test outputs.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":51050313875588,"sku":"DI581-S","price":177.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1SAP284000R0001.jpg?v=1785935454","url":"https:\/\/www.etowonauto.com\/fr\/products\/abb-1sap284000r0001-di581-s-ac500-s-safety-discrete-input-module","provider":"Etowon Auto","version":"1.0","type":"link"}