{"product_id":"kl2889-beckhoff-16-channel-hd-digital-output-terminal-24-vdc-0-v-switching","title":"KL2889 | BECKHOFF | Terminal de sortie numérique HD 16 canaux 24 VCC commutation 0 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKL2889 (KL2889)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density (HD) 16-channel digital output terminal designed for the Beckhoff Bus Terminal system. This module is specifically engineered for ground-switching (low-side switching) applications, providing 0 V DC output to control actuators, relays, and indicator lamps. By utilizing High-Density packaging, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKL2889\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eintegrates 16 discrete outputs into a slim 12 mm housing, significantly reducing the required DIN rail footprint in complex control cabinets. It is an ideal choice for high-volume I\/O environments such as automotive assembly lines and modular packaging machinery, where space efficiency and high-speed point-to-point wiring are paramount.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKL2889\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehardware is built for simplicity and reliability within the K-bus architecture. It features a 1-wire connection technology with a direct plug-in technique for solid wire conductors, facilitating rapid tool-less installation. The output stage is designed for 0.5 A per channel and is fully short-circuit proof, featuring an integrated reverse voltage protection mechanism. The terminal maps 16 outputs directly into the process image, requiring no complex address or software configuration. Its 500 V electrical isolation between the K-bus and field potential ensures that the central controller remains protected from field-side electrical transients or inductive flyback during heavy-duty switching cycles.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eKL2889\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBECKHOFF\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGermany\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Outputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSwitching Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 V DC (Ground switching)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC (-15 percent \/ +20 percent)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax. Output Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 A per channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConnection Technology\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1-wire (High Density)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBreaking Energy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 100 mJ \/ channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Consumption (K-bus)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003etyp. 45 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eElectrical Isolation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e500 V (K-bus \/ field potential)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to +55 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eapprox. 70 g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of \"0 V switching\" in the KL2889?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGround switching (NPN style) is often used in specific industrial regions or with certain types of sensors and actuators that share a common positive rail. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKL2889\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecompletes the circuit by connecting the load to the 0 V (ground) potential.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the \"direct plug-in\" technique work?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor solid wire conductors, you can simply push the stripped wire into the terminal point without tools. For stranded wires or those with ferrules, a standard screwdriver is used to actuate the spring, ensuring a gas-tight and vibration-resistant connection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this terminal to drive small DC motors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, provided the motor's steady-state current does not exceed 0.5 A and the inductive breaking energy remains under 100 mJ. For larger inductive loads, an external freewheeling diode is recommended to protect the internal output stage.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring for HD Terminals:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGiven the high density of 16 connections in a 12 mm width, it is critical to use the correct wire cross-sections. For optimal results, use ferrules for stranded wires (0.14 to 0.75 mm²) to prevent stray strands from causing short circuits between the tightly packed terminals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e0 V Potential Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure that the 0 V field potential is correctly fed into the power contacts. Since this is a ground-switching module, all connected loads must have their positive side connected to a common 24 VDC rail, while the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKL2889\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emanages the ground return path.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHeat Dissipation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen all 16 channels are active and driving the maximum 0.5 A load, the module generates internal heat. Ensure the control cabinet has adequate ventilation and observe the variable installation positions described in the technical documentation to prevent thermal derating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShort-Circuit Handling:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile the module is short-circuit proof, a persistent short will trigger the current limitation (\u0026lt; 7 A). It is best practice to monitor the system diagnostic LEDs; if the \"Error\" LED for a channel bank illuminates, investigate the field wiring immediately to prevent unnecessary stress on the polycarbonate housing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106678006123,"sku":"KL2889","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/KL2889-pq4u3zyqvsa.png?v=1776245149","url":"https:\/\/www.plcprotech.com\/fr\/products\/kl2889-beckhoff-16-channel-hd-digital-output-terminal-24-vdc-0-v-switching","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}