{"product_id":"beckhoff-km2042-km-series-bus-terminal-module","title":"BECKHOFF KM2042 KM Series Bus Terminal Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eKM2042 (KM2042)\u003c\/strong\u003e is a high-density 16-channel digital output Bus Terminal from the Beckhoff KM series, purpose-built to streamline the interface between control logic and multi-pin connector valve terminals. By providing a direct D-sub connection, this module simplifies complex wiring tasks, significantly reducing installation time and potential point-to-point wiring errors. This solution is specifically optimized for high-density pneumatic valve control, ensuring high signal reliability and reduced system maintenance in automated assembly and packaging machinery.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe KM2042 is architected for space-efficient integration, utilizing a D-sub interface to manage 16 digital outputs. Each channel supports a load of 0.5 A, with a total aggregate current of 4 A, and features individual short-circuit protection to prevent cascading failures during field-side faults. Unlike standard Bus Terminals, the KM2042 is designed without power contacts, drawing power directly via the interface, which simplifies the supply architecture for multi-pin valve island applications. The unit provides 500 V electrical isolation between the K-bus and field potential, maintaining signal integrity in high-noise industrial environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eKM2042\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBECKHOFF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Tech\u003c\/td\u003e\n\u003ctd\u003eD-sub\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Output Current\u003c\/td\u003e\n\u003ctd\u003e0.5 A per channel (Sum 4 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBreaking Energy\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 150 mJ per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Isolation\u003c\/td\u003e\n\u003ctd\u003e500 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e26.5 mm x 100 mm x 71 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the specific advantages of the KM2042 D-sub interface?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe D-sub connector allows for \"plug-and-play\" connection to standard multi-pin valve terminals, eliminating the need for individual wire termination for all 16 channels and drastically reducing installation labor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the unit handle aggregate current limitations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile each channel is rated for 0.5 A, the total sum of all outputs simultaneously active must not exceed 4 A to remain within the thermal and structural design limits of the terminal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the KM2042 require external power contacts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the KM2042 does not utilize power contacts. All necessary field power for the output stages is routed through the module's interface configuration.\u003c\/p\u003e\n\u003ch3\u003eEngineering Guidelines and Best Practices\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Terminal Compatibility:\u003c\/strong\u003e When selecting this module for valve terminal control, verify that your valve island's multi-pin layout matches the D-sub pin assignment of the KM2042. Incorrect pin mapping can lead to improper valve activation or potential damage to the internal output drivers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductive Load Protection:\u003c\/strong\u003e Even with the terminal’s integrated breaking energy capability (\u0026lt; 150 mJ per channel), if your pneumatic valves have large internal coils that result in high flyback voltages, ensure that transient suppression (such as diodes or varistors) is present at the valve side to maximize the lifespan of the terminal's output stages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting and Environment:\u003c\/strong\u003e Despite the IP20 rating, ensure the module is mounted in a clean, dry control cabinet. The \"variable\" installation position allows for flexibility, but mounting vertically is recommended to optimize heat dissipation, especially when operating near the 4 A aggregate current limit.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106604310891,"sku":"KM2042","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/km2042-l1cz44xq1gv.png?v=1776245262","url":"https:\/\/www.plcprotech.com\/products\/beckhoff-km2042-km-series-bus-terminal-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}