{"product_id":"el2878-0005-beckhoff-8-channel-digital-output-terminal-ribbon-cable-connection","title":"EL2878-0005 BECKHOFF Bornier de sortie numérique 8 canaux connexion câble ruban","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEL2878-0005 (EL28780005)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density EtherCAT Terminal designed for streamlined wiring in complex control cabinets. This 8-channel digital output module operates at\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24 V DC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand is specifically engineered with a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eflat-ribbon cable interface\u003c\/strong\u003e. By utilizing ribbon cable technology, the EL2878-0005 significantly reduces installation time and minimizes the risk of wiring errors when connecting to transition modules or sensor\/actuator clusters. Built-in diagnostics for supply voltage monitoring ensure that the controller is immediately alerted to power irregularities, making it a critical component for high-availability B2B industrial systems such as semiconductor assembly, automated testing equipment, and electronics manufacturing.\u003c\/p\u003e\n\u003ch3\u003eHardware Architecture and Diagnostic Logic\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEL2878-0005\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003earchitecture is optimized for rapid signal distribution. Unlike standard terminals that use individual push-in connectors, this module features a header for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAWG 28\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eflat-ribbon cables with a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.27 mm spacing\u003c\/strong\u003e. Each of the 8 channels can deliver up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.5 A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof current, and the module is fully short-circuit proof.\u003c\/p\u003e\n\u003cp\u003eA key technical distinction of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-0005\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evariant is its integrated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esupply voltage diagnostics\u003c\/strong\u003e. The terminal monitors the field potential and reports the status back to the EtherCAT master. If the 24 V DC field supply drops below a critical threshold or is disconnected, the diagnostic bit in the process image is triggered. This allows for predictive maintenance and rapid troubleshooting, as the PLC can distinguish between a logic failure and a field-side power loss.\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\u003eEL2878-0005\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\u003e8 Channels\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\u003eFlat-ribbon cable (AWG 28)\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 (Short-circuit proof)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRated Current (Pin)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMax 1.0 A per connection pin\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLoad Types\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOhmic, Inductive, Lamp load\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSwitching Time (TON)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTypically 60 microseconds\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSwitching Time (TOFF)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTypically 300 microseconds\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; 150 mJ per channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Consumption (E-bus)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTypically 100 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 (E-bus \/ Field potential)\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\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\u003e12 mm x 100 mm x 68 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\u003eWhat are the advantages of the flat-ribbon cable connection?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ribbon cable allows for \"mass termination,\" where 8 channels can be connected in a single motion. This is ideal for machines with high I\/O density, as it eliminates the need for manual stripping and individual termination of 16-24 wires (including grounds) at the terminal level.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the short-circuit protection behave?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn the event of a short circuit, the output current is typically limited to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e\u0026lt; 2 A\u003c\/strong\u003e. The module is designed to protect its internal circuitry and the ribbon cable from thermal damage, automatically resuming operation once the fault is cleared.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module provide power to the field via power contacts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEL2878-0005\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edoes not have power contacts (the metal blades on the side of many Beckhoff terminals). The 24 V DC supply must be provided through the ribbon cable interface or the specific supply pins defined in the manual.\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\u003eRibbon Cable Selection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse standard\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAWG 28\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eflat-ribbon cables with a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.27 mm (0.050\")\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epitch. Ensure that the IDC (Insulation Displacement Connector) used is high-quality and properly crimped using a dedicated tool to prevent intermittent contact or high resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInductive Load Handling:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile the module can handle breaking energy up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e150 mJ\u003c\/strong\u003e, for large inductive loads (such as heavy-duty solenoids or large contactors), it is best practice to install an external flyback diode near the load to minimize EMI and thermal stress on the terminal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding and EMI:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSince ribbon cables are unshielded, avoid routing them parallel to high-current AC lines or VFD motor cables. Maintain at least\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10 cm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof separation or use a grounded metallic duct to prevent cross-talk between the digital output signals and power circuits.\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\u003eEL2878-0005\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis the preferred choice for engineers looking to optimize cabinet space and assembly speed. Its slim\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12 mm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprofile packs 8 channels of diagnostic-capable outputs, providing a significant density advantage. The inclusion of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eReverse Voltage Protection\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand a high\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e500 V electrical isolation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erating ensures that field-side anomalies do not migrate to the sensitive E-bus logic. With a fast\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e60 microsecond\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eturn-on time, this terminal provides the rapid response necessary for precise industrial synchronization, all while simplifying the physical layer of the automation network.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106702418283,"sku":"EL2878-0005","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/el2878-0005-2i2bp3ky3ww.png?v=1776244414","url":"https:\/\/www.plcprotech.com\/fr\/products\/el2878-0005-beckhoff-8-channel-digital-output-terminal-ribbon-cable-connection","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}