{"product_id":"kl1104-beckhoff-digital-input-terminal","title":"Beckhoff Digital Input Terminal - KL1104","description":"\u003ch2\u003e Beckhoff Digital Input Terminal - KL1104 \u003c\/h2\u003e\n\u003cp\u003eThe KL1104 is a Bus Terminal designed for industrial applications, specifically serving as a 4-channel digital input module operating at 24 V DC. This terminal efficiently acquires binary control signals from the process level and transmits them to the higher-level automation unit in an electrically isolated format, ensuring signal integrity.\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cstyle type=\"text\/css\"\u003e\n.tg  {border-collapse:collapse;border-spacing:0;}\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg .tg-ekg0{background-color:#EFEFEF;font-weight:bold;text-align:left;vertical-align:top}\n.tg .tg-txwv{background-color:#EFEFEF;text-align:left;vertical-align:top}\n\u003c\/style\u003e\n\u003ctable class=\"tg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"tg-ekg0\"\u003ePart #\u003c\/th\u003e\n\u003cth class=\"tg-txwv\"\u003eKL1104\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003eBECKHOFF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eCategory\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003ePLCs\/Machine Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eSubcategory\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003ePLC Programming Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eConnection technology\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003e2-\/3-wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eSpecification\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003eEN 61131-2, type 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eNumber of inputs\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eNominal voltage\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003e24 V DC (-15 % \/ +20 %)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003e“0” signal voltage\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003e-3…+5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003e“1” signal voltage\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003e15…30 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eInput filter\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003etyp. 3.0 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eInput current\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003etyp. 5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eCurrent consumption K-bus\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003etyp. 5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eElectrical isolation\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003e500 V (K-bus\/field potential)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eBit width in the process image\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003e4 inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eConfiguration\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003eno address or configuration setting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eWeight\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003eapprox. 55 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eOperating\/storage temperature\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003e-25…+60 °C \/ -40…+85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eRelative humidity\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003e95 %, no condensation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eVibration\/shock resistance\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003econforms to EN 60068-2-6 \/ EN 60068-2-27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eEMC immunity\/emission\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003econforms to EN 61000-6-2 \/ EN 61000-6-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eProtect. rating\/installation pos.\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003eIP20 \/ variable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003ePluggable wiring\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003efor all KSxxxx Bus Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-ekg0\"\u003eApprovals\/markings\u003c\/td\u003e\n\u003ctd class=\"tg-txwv\"\u003eCE, UL, ATEX, IECEx, DNV GL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable industrial-grade input module:\u003c\/strong\u003e The Beckhoff KL1104 is a compact 4-channel digital input terminal designed for precise signal acquisition in automation systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless PLC integration:\u003c\/strong\u003e Built for the Beckhoff Bus Terminal system, it enables fast and straightforward integration into distributed control architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh signal accuracy:\u003c\/strong\u003e Engineered for clean, stable switching detection, reducing noise-related errors in demanding industrial environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-efficient design:\u003c\/strong\u003e Slim form factor allows high-density I\/O configuration inside control cabinets and machine panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust industrial performance:\u003c\/strong\u003e Designed for continuous operation in harsh environments, including vibration, heat, and electrical interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible application use:\u003c\/strong\u003e Ideal for sensors, switches, and binary signal monitoring across manufacturing and process automation setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-effective scalability:\u003c\/strong\u003e Enables modular expansion of I\/O points without redesigning the entire control system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What is the Beckhoff KL1104 used for?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: The Beckhoff KL1104 is a 4-channel digital input terminal designed to interface 24V DC field devices with a PLC or automation system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What applications is it suitable for?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It is used in industrial automation for reading sensors, switches, push-buttons, and other discrete signal devices in machine control systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: How does the KL1104 work?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It converts external 24V DC input signals into process data for a PLC via the Beckhoff Automation bus terminal system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What are its key features?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It offers 4 digital input channels, compact DIN-rail mounting, electrical isolation, and reliable signal acquisition for industrial environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Is it compatible with all PLC systems?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It is designed for use with Beckhoff Bus Terminal (K-bus) systems and integrates seamlessly with Beckhoff TwinCAT-based control architectures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What voltage does it support?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It supports standard 24V DC industrial input signals commonly used in automation and control panels.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Why choose the KL1104?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It provides a cost-effective, compact, and reliable solution for expanding digital input capacity in modular PLC systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips\u003cspan\u003e \u003c\/span\u003e\n\u003c\/h5\u003e\n\u003ch5\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/h5\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Ensure stable 24V DC supply and periodically verify voltage quality to prevent input signal errors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Keep DIN rail mounting secure and check that the KL1104 terminal is firmly seated in the EtherCAT\/terminal assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Inspect and tighten all field wiring connections to avoid loose contacts or intermittent digital input signals.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Maintain proper grounding and shielding practices to reduce electrical noise and improve signal integrity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Keep the terminal and control cabinet clean, dry, and free from dust, oil, or conductive contaminants.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Regularly check LED status indicators on the KL1104 for fault diagnosis and input signal verification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Follow ESD precautions when handling terminals to protect sensitive electronic components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Periodically inspect for overheating, discoloration, or physical damage in the terminal housing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Ensure proper cable routing away from high-voltage or high-noise equipment to avoid signal interference.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e• Use system diagnostics via Beckhoff Automation control software to monitor input performance and system health.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Beckhoff","offers":[{"title":"Default Title","offer_id":45745811456191,"sku":"KL1104","price":16700.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/kl1104__web_preview_png.jpg?v=1781771566","url":"https:\/\/backyardprovider.com\/products\/kl1104-beckhoff-digital-input-terminal","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}