{"product_id":"ep2816-0008-beckhoff-16-channel-digital-output-ethercat-box-d-sub","title":"EP2816-0008 | BECKHOFF | 16-Channel Digital Output EtherCAT Box (D-sub)","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEP2816-0008 (EP2816-0008)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density industrial I\/O module from the EtherCAT Box series, designed for direct mounting on machines without the need for a control cabinet. Featuring 16 digital outputs in a robust, compact housing, this module is specifically engineered to interface with multi-pin connector valve terminals and complex sensor-actuator blocks. By utilizing a 25-pin D-sub connection for output signals, it simplifies wiring for pneumatic manifolds and robotic end-effectors. With its IP67 protection rating, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEP2816-0008\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethrives in harsh environments, resisting water, dust, and vibration while maintaining high-speed deterministic communication via the EtherCAT protocol.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe hardware architecture of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEP2816-0008\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis optimized for high-performance distributed I\/O. It provides 16 discrete 24 VDC outputs, each capable of delivering 0.5 A. The module features individual short-circuit protection for every channel to ensure that a single field fault does not compromise the entire block. A key technical advantage is the support for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDistributed Clocks (DC)\u003c\/strong\u003e, allowing the outputs to be switched with microsecond precision synchronized across the entire EtherCAT network. The power supply and EtherCAT bus connections are handled via industrial M8 screw-type connectors, supporting a daisy-chain topology for both data and auxiliary power.\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\u003eEP2816-0008\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\u003eProtocol\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEtherCAT\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\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\u003eMax. Output Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 A per channel (Max. 4 A total)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSwitching Times\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003etyp. TON: 60 µs \/ TOFF: 300 µs\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\u003eDistributed Clocks\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\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 Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-25 to +60 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\u003eapprox. 30 mm x 126 mm x 26.5 mm\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\u003eWhy does this model use a D-sub connector instead of standard M12 sockets?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEP2816-0008\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed for \"multi-pin\" applications. Using a single 25-pin D-sub cable to carry 16 output signals significantly reduces installation time and cable clutter when connecting to pneumatic valve islands or specialized manifold blocks that already use D-sub interfaces.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I daisy-chain power to multiple EtherCAT Boxes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The module includes an M8 male input for power and an M8 female output for downstream connection. This allows you to \"loop through\" the 24 VDC supply to multiple boxes, provided the total current draw (including the 4 A output limit of this box) does not exceed the rating of your M8 power cables.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if a channel is short-circuited?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEach channel is individually short-circuit proof. If a short occurs on one valve or actuator, only that specific channel will shut down. The internal diagnostics will report the fault to the EtherCAT master (e.g., TwinCAT), while the other 15 channels continue to operate normally.\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\u003ePneumatic Valve Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module is the ideal partner for valve terminals from manufacturers like Festo, SMC, or Norgren that utilize D-sub 25-pin connectors. Ensure the pinout of your valve manifold matches the standard Beckhoff D-sub mapping to avoid cross-wiring actuators.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Load Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile each channel can handle 0.5 A, the total sum of all outputs (\u003cspan class=\"math-inline\"\u003e$\\sum$\u003c\/span\u003e) must not exceed 4 A. If you are driving 16 inductive loads simultaneously, calculate the continuous current draw to ensure the 4 A total limit is not breached, which would trigger a thermal shutdown of the module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Sealing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTo maintain the IP67 rating, all unused M8 connectors must be sealed with protective caps. Ensure the D-sub 25-pin cable is a high-quality industrial grade with an integrated gasket and that the UNC4-40 screws are properly tightened to prevent moisture ingress.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting and Vibration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe EtherCAT Box can be mounted in any orientation. Use the integrated mounting holes to secure it directly to the machine frame. Its high vibration and shock resistance (EN 60068-2-6\/27) make it suitable for mounting on moving parts, such as robotic arms or gantry systems.\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":53106665128299,"sku":"EP2816-0008","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/ep2816-0008-ykzl14x4dvy.png?v=1776244664","url":"https:\/\/www.plcprotech.com\/products\/ep2816-0008-beckhoff-16-channel-digital-output-ethercat-box-d-sub","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}