{"product_id":"ie2808-beckhoff-16-channel-high-density-digital-output-extension-box","title":"IE2808 BECKHOFF 16-Channel High-Density Digital Output Extension Box","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIE2808 (IE2808)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a ruggedized, high-density Extension Box designed for decentralized I\/O expansion in harsh industrial environments. Engineered for cabinet-free installation, this module provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16 digital outputs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein a compact\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIP67\u003c\/strong\u003e-rated polyamide housing. It is specifically designed to interface with Beckhoff Fieldbus Box modules via the high-speed\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIP-Link\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecommunication system. By utilizing a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e25-pin D-sub\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econnection for signal distribution, the IE2808 allows for the rapid connection of complex valve manifolds, indicator banks, or sensor-actuator clusters, making it a critical component for B2B applications in automotive assembly, robotic end-effectors, and food processing lines where space and wash-down resistance are mandatory.\u003c\/p\u003e\n\u003ch3\u003eHardware Architecture and Power Management\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIE2808\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003earchitecture is optimized for space efficiency and reliable power distribution. It features two\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eM8 connectors\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor power: one male socket for incoming feed and one female socket for downstream daisy-chaining of additional Extension Boxes. This \"feed-through\" design simplifies cabling in modular machine layouts.\u003c\/p\u003e\n\u003cp\u003eWith a total of 16 channels, the module supports a maximum sum current of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4 A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cspan class=\"math-inline\"\u003e$\\sum 4 A$\u003c\/span\u003e), with each individual channel capable of delivering\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.5 A\u003c\/strong\u003e. The outputs are designed to handle ohmic, inductive, and lamp loads, and are\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eindividually short-circuit proof\u003c\/strong\u003e. A sophisticated error-handling protocol is integrated, where a fault on any channel must be acknowledged by the master controller (PLC) before the output can be reactivated, ensuring that mechanical faults are addressed before system operation resumes.\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\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\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\u003e\u003cstrong\u003eIE2808\u003c\/strong\u003e\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\u003e\u003cstrong\u003eBECKHOFF\u003c\/strong\u003e\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 Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Connection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25-pin D-sub socket (UNC4-40)\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 V DC (-15 % \/ +20 %)\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\u003eSum Current (\u003cspan class=\"math-inline\"\u003e$\\sum$\u003c\/span\u003e)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMax. 4.0 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShort-Circuit Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMax. 1.5 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Connection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 x M8 (Male Feed \/ Female Downstream)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP-Link (via Coupling Box)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP65 \/ IP66 \/ IP67\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\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 mm x 126 mm x 26.5 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePA6 Polyamide\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\u003eHow do the diagnostics work on the IE2808?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module optionally provides a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16-bit input process image\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ededicated to diagnostics. This allows the TwinCAT master to monitor each output for short circuits or overloads. If a fault occurs, the corresponding diagnostic bit is set, and the master must send a fault acknowledgement to clear the error.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the D-sub 25 connection?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e25-pin D-sub\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eallows for the consolidation of 16 signals into a single shielded cable. This is significantly more space-efficient than using 16 separate M8 or M12 connectors, which is essential for high-density end-of-arm tooling on robots or small-scale machine modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require a Coupler Box to function?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. As an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eExtension Box\u003c\/strong\u003e, the IE2808 does not connect directly to a Fieldbus (like EtherCAT or Profibus). It must be connected to a Fieldbus Box (Coupler) via the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIP-Link\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efiber optic or copper connection to be visible on the control network.\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\u003eSealing and IP Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTo maintain the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIP67\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erating, ensure that the 25-pin D-sub connector is fitted with a sealed industrial hood. Any unused M8 power sockets must be capped with the appropriate protective plugs to prevent moisture and dust ingress.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Limitation Planning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile each channel can handle 0.5 A, the total current for the module cannot exceed\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4 A\u003c\/strong\u003e. When designing your load distribution, ensure that the simultaneous switching of all 16 channels does not exceed this 4 A thermal limit to prevent internal overheating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Mounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe housing features two\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3.5 mm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eholes for M3 mounting screws. Install the module on a flat, vibration-resistant surface. The PA6 polyamide material is highly resistant to chemical agents, but avoid over-torquing the mounting screws to prevent stress fractures in the plastic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIE2808\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a premier choice for \"on-machine\" I\/O expansion. Its slim\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e30 mm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewidth and low-profile design allow it to be tucked into machine frames where standard I\/O blocks would not fit. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eelectrical isolation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebetween the control voltage and the fieldbus (via IP-Link) ensures that electrical noise from high-power field actuators does not interfere with the master control communication. With high vibration and shock resistance (conforming to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEN 60068-2-6\/27\u003c\/strong\u003e), the IE2808 is built for the physical rigors of 24\/7 industrial production, providing a reliable, high-density output solution that maximizes machine uptime.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106701238635,"sku":"IE2808","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/ie2808-sj5jq5jv2j4.png?v=1776244833","url":"https:\/\/www.plcprotech.com\/products\/ie2808-beckhoff-16-channel-high-density-digital-output-extension-box","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}