{"product_id":"beckhoff-kl1809-16-channel-digital-input-terminal-bus-terminal-module","title":"Beckhoff KL1809 16-Channel Digital Input Terminal | Bus Terminal Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eBeckhoff KL1809\u003c\/span\u003e\u003c\/strong\u003e is a high-density Bus Terminal engineered for professional industrial automation. This module efficiently acquires 16 binary 24V DC control signals from the process level. It converts these signals into an electrically isolated format for the higher-level automation unit. Its compact 12 mm housing maximizes control cabinet space. Integrated LEDs provide clear, immediate status indication for each of the 16 channels.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eBeckhoff\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eKL1809\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Count:\u003c\/strong\u003e 16 digital inputs in a 12 mm high-density housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Specification:\u003c\/strong\u003e EN 61131-2, Type 1\/3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\"0\" Signal Voltage:\u003c\/strong\u003e -3 to +5 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\"1\" Signal Voltage:\u003c\/strong\u003e 11 to 30 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Filter:\u003c\/strong\u003e Typical 3.0 ms for debouncing mechanical switches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Current:\u003c\/strong\u003e Typical 3 mA (Type 3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Isolation:\u003c\/strong\u003e 500 V between K-bus and field potential\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 20 mA (K-bus), 4 mA + load (power contacts)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -25°C to +60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment Tolerance:\u003c\/strong\u003e 95% relative humidity (non-condensing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration\/Shock Resistance:\u003c\/strong\u003e Conforms to EN 60068-2-6 and EN 60068-2-27\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMC Immunity:\u003c\/strong\u003e Conforms to EN 61000-6-2 and EN 61000-6-4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Install on standard 35 mm DIN rails (EN 60715) with a secure locking mechanism.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Uses 1-wire connection technology for streamlined sensor integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e Supports direct plug-in technology for solid conductors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with standard \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eBeckhoff\u003c\/strong\u003e\u003c\/span\u003e Bus Terminal systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e The unit is plug-and-play with no required address or software configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostics and Maintenance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus Indication:\u003c\/strong\u003e Front-mounted LEDs display the signal state for every channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Direct plug-in technology allows for rapid, tool-free replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTroubleshooting:\u003c\/strong\u003e Use process image data to monitor input states within your controller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Integrity:\u003c\/strong\u003e The 3 ms filter ensures stable processing in high-interference environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLogistics and Warranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping:\u003c\/strong\u003e Global delivery via FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Time:\u003c\/strong\u003e All orders are dispatched within 24-48 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e This product includes a standard 12-month quality warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, UL, ATEX, IECEx, and DNV GL certified for hazardous areas.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSpace-constrained control cabinets requiring high channel density.\u003c\/li\u003e\n\u003cli\u003eMachine automation systems needing reliable, isolated digital signal acquisition.\u003c\/li\u003e\n\u003cli\u003eModular PLC architectures for complex manufacturing lines.\u003c\/li\u003e\n\u003cli\u003eProcess control environments where signal reliability is critical.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB Insight\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eBeckhoff KL1809\u003c\/span\u003e\u003c\/strong\u003e is an essential component for high-density I\/O requirements. Global PLC Spare HUB experts recommend this module for its reliability and space-saving efficiency. It is ideally suited for modern manufacturing equipment and PLC systems where every millimeter in the control cabinet counts. Its robust build quality ensures longevity in demanding industrial conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the \u003cspan style=\"color: #0056b3;\"\u003eKL1809\u003c\/span\u003e for mechanical switches?\u003c\/strong\u003e\u003cbr\u003eYes, the integrated 3 ms input filter effectively eliminates signal bouncing from mechanical contacts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the terminal require external configuration?\u003c\/strong\u003e\u003cbr\u003eNo, the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eKL1809\u003c\/span\u003e\u003c\/strong\u003e is a plug-and-play device requiring no address settings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary advantage of the 1-wire technology?\u003c\/strong\u003e\u003cbr\u003eIt allows direct connection of multi-channel sensors, which significantly reduces wiring complexity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I install fine-stranded wires?\u003c\/strong\u003e\u003cbr\u003eYou must use a screwdriver to actuate the spring contacts for fine-stranded wires or ferrules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I check if a channel LED does not light up?\u003c\/strong\u003e\u003cbr\u003eCheck your 24V DC field supply and verify that the sensor is correctly connected to the common ground (0V).\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/KL1809.png?v=1780558042\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Beckhoff","offers":[{"title":"Default Title","offer_id":45169437835446,"sku":"KL1809","price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/KL1809.jpg?v=1780559018","url":"https:\/\/www.plcsparehub.com\/products\/beckhoff-kl1809-16-channel-digital-input-terminal-bus-terminal-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}