{"product_id":"el4028-beckhoff-ethercat-terminal-8-channel-analog-output-4-20-ma-12-bit","title":"EL4028 | Beckhoff EtherCAT Terminal 8-Channel Analog Output 4–20 mA 12 Bit","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Beckhoff EL4028 is an 8-channel EtherCAT analog output terminal designed for current signal generation in the 4…20 mA range. With 12-bit resolution, electrical isolation, and distributed clock synchronization, it provides precise and reliable current control in automation systems.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 666.189px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003eBeckhoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003eI\/O Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003eEL4028\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003eAnalog Output Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eNumber of Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eSignal Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003e4…20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003e24 V DC via power contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eLoad Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003e\u0026lt; 150 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003e12 bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eConversion Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003e~400 µs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eOutput Error\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003e\u0026lt; 0.1% (relative to end value)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eElectrical Isolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003e500 V (E-bus\/signal voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eDistributed Clocks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 39.1875px;\"\u003e\u003cstrong\u003eDistributed Clock Precision\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 39.1875px;\"\u003e\u0026lt; 1 µs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 39.1875px;\"\u003e\u003cstrong\u003eSpecial Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 39.1875px;\"\u003eWatchdog with user-specific output ramp; user synchronization available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 39.1875px;\"\u003e\u003cstrong\u003eCurrent Consumption (Power)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 39.1875px;\"\u003eTyp. 50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 39.1875px;\"\u003e\u003cstrong\u003eCurrent Consumption (E-bus)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 39.1875px;\"\u003eTyp. 100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 39.1875px;\"\u003e\u003cstrong\u003eBit Width in Process Image\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 39.1875px;\"\u003e8 × 16-bit AO outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003e-25…+60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003e-40…+85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003e95%, no condensation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eEMC Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003eEN 61000-6-2 \/ EN 61000-6-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003ePolycarbonate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003eDIN rail 35 mm, EN 60715 with lock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eDimensions (W × H × D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003e12 mm × 100 mm × 68 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.8005%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.8358%; height: 19.5938px;\"\u003eApprox. 60 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eEL4028\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-end=\"4352\" data-start=\"3722\"\u003eThe EL4028 is part of Beckhoff’s EL series EtherCAT terminals, providing eight analog output channels for generating current signals in the 4…20 mA range. It integrates 12-bit resolution and fast 400 µs conversion times, ensuring accurate control for analog actuators and process devices. The terminal features electrical isolation, distributed clocks with sub-microsecond precision, and an optional watchdog function that allows user-defined safe output states. Compact in size and designed for DIN rail installation, the EL4028 is optimized for reliable and scalable analog signal generation in distributed automation systems.\u003c\/p\u003e\n\u003cp data-end=\"4377\" data-start=\"4354\"\u003e\u003cstrong data-end=\"4375\" data-start=\"4358\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"5349\" data-start=\"4378\"\u003e\n\u003cli data-end=\"4508\" data-start=\"4378\"\u003e\n\u003cp data-end=\"4508\" data-start=\"4380\"\u003e\u003cstrong data-end=\"4413\" data-start=\"4380\"\u003eEight Analog Output Channels:\u003c\/strong\u003e Provides 8 independent current outputs for precise control of actuators and process signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4627\" data-start=\"4509\"\u003e\n\u003cp data-end=\"4627\" data-start=\"4511\"\u003e\u003cstrong data-end=\"4537\" data-start=\"4511\"\u003eCurrent Range 4…20 mA:\u003c\/strong\u003e Standard industrial signal range supports wide compatibility with automation equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4745\" data-start=\"4628\"\u003e\n\u003cp data-end=\"4745\" data-start=\"4630\"\u003e\u003cstrong data-end=\"4663\" data-start=\"4630\"\u003eHigh Accuracy and Resolution:\u003c\/strong\u003e 12-bit resolution with \u0026lt; 0.1% output error ensures reliable analog performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4865\" data-start=\"4746\"\u003e\n\u003cp data-end=\"4865\" data-start=\"4748\"\u003e\u003cstrong data-end=\"4771\" data-start=\"4748\"\u003eFast Response Time:\u003c\/strong\u003e Offers conversion times of ~400 µs for responsive signal updates in real-time applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4994\" data-start=\"4866\"\u003e\n\u003cp data-end=\"4994\" data-start=\"4868\"\u003e\u003cstrong data-end=\"4906\" data-start=\"4868\"\u003eDistributed Clock Synchronization:\u003c\/strong\u003e Supports EtherCAT distributed clocks with \u0026lt; 1 µs precision for time-critical systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5108\" data-start=\"4995\"\u003e\n\u003cp data-end=\"5108\" data-start=\"4997\"\u003e\u003cstrong data-end=\"5029\" data-start=\"4997\"\u003eRobust Electrical Isolation:\u003c\/strong\u003e 500 V isolation between the E-bus and signal voltage enhances system safety.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5235\" data-start=\"5109\"\u003e\n\u003cp data-end=\"5235\" data-start=\"5111\"\u003e\u003cstrong data-end=\"5142\" data-start=\"5111\"\u003eOptional Watchdog Function:\u003c\/strong\u003e Provides user-specific ramped output values and safe-state behavior on communication loss.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"5349\" data-start=\"5236\"\u003e\n\u003cp data-end=\"5349\" data-start=\"5238\"\u003e\u003cstrong data-end=\"5268\" data-start=\"5238\"\u003eCompact DIN Rail Mounting:\u003c\/strong\u003e Slim 12 mm housing allows high-density installation in modular control setups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"5487\" data-start=\"5351\"\u003eThe EL4028 delivers the reliability and precision required for accurate analog signal generation in EtherCAT-based automation systems.\u003c\/p\u003e","brand":"Beckhoff","offers":[{"title":"Default Title","offer_id":49105233379584,"sku":"EL4028","price":1012.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/el4028_es4028__web_preview_png.webp?v=1785543170","url":"https:\/\/alotechparts.com\/products\/el4028-beckhoff-ethercat-terminal-8-channel-analog-output-4-20-ma-12-bit","provider":"Alo Tech Solutions","version":"1.0","type":"link"}