{"product_id":"schneider-electric-quantum-ac-input-module-140dai35300c","title":"Schneider Electric Quantum AC Input Module - 140DAI35300C","description":"\u003ch2\u003e16-Channel AC Input Module for Reliable Signal Acquisition\u003c\/h2\u003e\n\u003cp\u003eMonitor AC control devices with the Schneider Electric \u003cstrong\u003e140DAI34000C\u003c\/strong\u003e discrete input module. This Modicon Quantum module provides 16 channels for connecting 24V AC field devices like switches and sensors. It offers reliable performance with a compact standard format for efficient rack space utilization. The \u003cstrong\u003e140DAI34000C\u003c\/strong\u003e is designed for industrial durability and complies with major international safety standards.\u003c\/p\u003e\n\u003ch3\u003eElectrical Specifications \u0026amp; Ratings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand \u0026amp; Model:\u003c\/strong\u003e Schneider Electric Modicon Quantum \u003cstrong\u003e140DAI34000C\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Channels:\u003c\/strong\u003e 16 discrete (on\/off) input points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e Rated for \u003cspan style=\"color: #e74c3c;\"\u003e24 Volts AC\u003c\/span\u003e operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Current:\u003c\/strong\u003e Typical range from 10.7 mA to 12 mA per point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeakage Current:\u003c\/strong\u003e Maximum of 1.9 mA for reliable off-state detection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBus Current:\u003c\/strong\u003e Requires 180 mA from the rack power supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e Maximum of 5.5 Watts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Addressing:\u003c\/strong\u003e Requires 1 input word in the controller's I\/O map.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEnvironmental \u0026amp; Compliance Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Wide range from \u003cspan style=\"color: #e74c3c;\"\u003e0°C to 60°C\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Standards:\u003c\/strong\u003e Complies with UL 508 and CSA standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Marking:\u003c\/strong\u003e CE marked for the European market.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Format:\u003c\/strong\u003e Standard Quantum module size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Weight:\u003c\/strong\u003e Lightweight at approximately 0.3 kg.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Wiring Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the module in any available slot of a compatible Modicon Quantum rack.\u003c\/li\u003e\n\u003cli\u003eConnect 24V AC field devices (e.g., limit switches, pushbuttons) to the module's terminal points.\u003c\/li\u003e\n\u003cli\u003eEnsure the external 24V AC power source for the field devices is properly fused and isolated.\u003c\/li\u003e\n\u003cli\u003eObserve proper wiring practices: use correct wire gauge and secure terminations.\u003c\/li\u003e\n\u003cli\u003eConfigure the module's single input word within the Unity Pro software project.\u003c\/li\u003e\n\u003cli\u003eVerify the input status using the controller's diagnostic tools or the module's LEDs (if present).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackaging \u0026amp; Warranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes one Schneider Electric \u003cstrong\u003e140DAI34000C\u003c\/strong\u003e 16-channel input module.\u003c\/li\u003e\n\u003cli\u003ePackage contains the module and standard mounting hardware.\u003c\/li\u003e\n\u003cli\u003eShipped in protective packaging via FedEx, UPS, or DHL.\u003c\/li\u003e\n\u003cli\u003eCovered by a standard \u003cspan style=\"color: #e74c3c;\"\u003e12-month warranty\u003c\/span\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat is the main advantage of an AC input module vs. DC?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAC inputs are ideal for directly interfacing with devices powered by common control transformer voltages (like 24V AC) without requiring a separate rectifier. They also naturally reject certain types of electrical noise.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhy is maximum leakage current an important specification?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA low leakage current (1.9 mA max) ensures the module reliably reads a field device as \"OFF\" even when there is small residual current from long wiring runs or induced voltage, preventing false \"ON\" signals.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eCan I mix this 24V AC module with DC input modules in the same rack?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYes, you can mix different I\/O module types in the same Quantum rack. The controller addresses each module independently, allowing flexible system design.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat happens if I apply a DC voltage to these AC inputs?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe module will not function correctly and may be damaged. Always ensure your field power supply matches the module's specified input voltage type (24V AC for this model).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHow do I troubleshoot an input that is not responding?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFirst, check for the presence of 24V AC at the field device and at the module terminal. Then, verify the device itself is operating. Finally, use the software to monitor the raw input bit status to isolate the issue between field wiring and module operation.\u003c\/p\u003e\n\u003cp\u003e© 2025 Ubest Automation Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.ubestplc.com\/\"\u003ehttps:\/\/www.ubestplc.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e | Phone: \u003ca href=\"https:\/\/wa.me\/8618030005825\"\u003e+86 180 3000 5825\u003c\/a\u003e\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":51446869623066,"sku":"140DAI35300C","price":206.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/140DAI35300C_3.jpg?v=1765417429","url":"https:\/\/www.ubestplc.com\/el\/products\/schneider-electric-quantum-ac-input-module-140dai35300c","provider":"Ubest Automation Limited","version":"1.0","type":"link"}