{"product_id":"modicon-quantum-discrete-input-module-schneider-electric-140dai74000","title":"Modicon Quantum Discrete Input Module Schneider Electric 140DAI74000","description":"\u003ch1\u003eSchneider Electric 140DAI74000 Modicon Quantum Discrete Input Module\u003c\/h1\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSchneider Electric 140DAI74000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ealso cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e140DAI74000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ediscrete input module, operates as a dedicated hardware component for AC voltage signal acquisition within Modicon Quantum backplane I\/O systems. It converts 230 V AC field discrete signals into 16-channel digital input words for PLC scan processing via the Quantum rack communication bus.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003e140 : Modicon Quantum platform series identifier\u003cbr\u003eDAI : Discrete AC Input\u003cbr\u003e74000 : 16-channel 230 V AC high-voltage input variant\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eSchneider Electric 140DAI74000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eFrance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.35 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 5.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 discrete inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e230 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 11.5 mA (57 to 63 Hz), \u0026lt;= 9.7 mA (47 to 53 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Current\u003c\/td\u003e\n\u003ctd\u003e180 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e1780 Vrms channel to channel and bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e0.75 to 12.3 ms (line cycle dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Frequency\u003c\/td\u003e\n\u003ctd\u003e47 to 63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePLC Backplane Communication Integrity (Schneider Electric Platform Behavior)\u003c\/h3\u003e\n\u003cp\u003eThe module integrates into the Modicon Quantum backplane architecture, where deterministic I\/O refresh cycles are synchronized with rack-level bus arbitration. Input word mapping occupies a single 16-bit discrete register, enabling Unity Pro and ProWORX 32 runtime environments to execute cyclic scan updates without additional field-side signal conditioning. Channel-to-bus galvanic isolation at 1780 Vrms maintains separation between high-voltage AC field wiring and internal logic planes, reducing susceptibility to backplane noise coupling during high-density rack operation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the module support hot-swap replacement under live backplane power conditions?\u003cbr\u003eA: The 140DAI74000 supports rack insertion in Quantum systems; however, input state stability depends on backplane synchronization and PLC scan state during replacement.\u003c\/p\u003e\n\u003cp\u003eQ: Does each input channel require individual isolation or is isolation shared?\u003cbr\u003eA: Channel-to-channel and channel-to-bus isolation is specified at 1780 Vrms, implemented across grouped internal isolation domains.\u003c\/p\u003e\n\u003cp\u003eQ: What is the impact of line frequency variation on input response time?\u003cbr\u003eA: Response time is line-cycle dependent, varying between 0.75 ms and 12.3 ms based on 47 to 63 Hz operating frequency.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMaintain separation between 230 V AC field wiring and low-voltage control cabling to minimize capacitive coupling across adjacent rack terminals. Use shielded routing only where high electromagnetic density exists, ensuring shield termination at a single chassis ground point. Verify that input commons comply with system grounding architecture before energizing rack backplane. Tighten terminal connections to manufacturer torque specifications to avoid micro-arcing under AC switching conditions.\u003c\/p\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":44248573116504,"sku":"140DAI74000","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/140DAI74000-3.jpg?v=1781667193","url":"https:\/\/www.industriaxplc.com\/id\/products\/modicon-quantum-discrete-input-module-schneider-electric-140dai74000","provider":"IndustriaX Limited","version":"1.0","type":"link"}