{"product_id":"el3004-beckhoff-4-channel-analog-input-terminal-10-v","title":"EL3004 BECKHOFF 4-Channel Analog Input Terminal ±10 V","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEL3004 (EL3004)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density 4-channel analog input terminal designed for the EtherCAT I\/O system, specializing in the processing of bipolar voltage signals from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-10 V to +10 V\u003c\/strong\u003e. With a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12-bit resolution\u003c\/strong\u003e, it provides a reliable and cost-effective solution for B2B industrial applications such as joystick control monitoring, actuator position feedback, and general DC voltage measurement. Utilizing\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esingle-ended technology\u003c\/strong\u003e, the EL3004 packs four independent channels into a slim\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12 mm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewidth, offering an exceptional I\/O density that optimizes control cabinet space.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration (Deep Dive)\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEL3004\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoperates using a multiplexing conversion method with a default conversion time of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.625 ms\u003c\/strong\u003e. This makes it an ideal fit for standard automation tasks where ultra-high-speed synchronization (Distributed Clocks) is not a requirement. To maintain signal integrity in noisy environments, the terminal features a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1 kHz hardware filter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand software-configurable\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFIR (Finite Impulse Response)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIIR (Infinite Impulse Response)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efilters.\u003c\/p\u003e\n\u003cp\u003eThe process data is presented in a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16-bit format\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(including sign) for seamless integration with PLC mathematical functions. Furthermore, the EL3004 includes\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoverload display\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctionality within the process data, allowing the controller to immediately identify if a sensor's voltage output has exceeded the measurable range. The terminal is designed for rugged industrial use, featuring\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e500 V electrical isolation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eATEX\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecertification for Zone 2 hazardous areas.\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\u003eEL3004\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 Inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 (Single-ended)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSignal Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-10 V to +10 V (Bipolar)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 bit (16-bit presentation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInternal Resistance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026gt; 130 kΩ\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Filter Frequency\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 kHz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConversion Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.625 ms (Default, configurable)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMeasuring Error\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; ±0.3 % (relative to full scale)\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 130 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 \/ Signal voltage)\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\u003e-25 to +60 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCE, UL, ATEX (II 3 G Ex nA IIC T4 Gc)\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 is the benefit of \"Single-Ended\" wiring for the EL3004?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn a single-ended configuration, all four voltage inputs share a common internal ground reference. This significantly reduces wiring complexity and terminal width, allowing you to monitor four different signals with fewer connection points, provided the sensors share a common reference potential.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the overload display function?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf the input voltage exceeds the ±10 V range (up to the maximum dielectric strength of 30 V), the EL3004 sets an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoverload bit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein the EtherCAT process image. This allows your PLC logic to trigger safety routines or HMI alerts immediately, preventing erroneous data from being used in control calculations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this terminal compatible with standard 0-10 V sensors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. While the EL3004 is rated for bipolar ±10 V, it can easily process unipolar\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0-10 V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esignals. The 12-bit resolution will simply map the 0-10 V range to a portion of the total digital representation.\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\u003eWiring for Precision:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTo ensure accurate 12-bit readings, always use\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eshielded cabling\u003c\/strong\u003e. The cable shield should be connected to the functional earth (FE) via a shield bus or low-impedance clamp as close to the terminal as possible to minimize electromagnetic interference (EMI).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding Considerations:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSince this is a single-ended terminal, ensure that no significant potential differences exist between the ground points of the four different sensors. Large ground offsets can lead to measurement errors or, in extreme cases, damage to the terminal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaintenance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe EL3004 supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eES series pluggable wiring\u003c\/strong\u003e, allowing the terminal block to be removed without disconnecting individual signal leads. This feature drastically reduces downtime during maintenance or when expanding the I\/O segment.\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\u003eEL3004\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoffers an excellent balance of density and diagnostic capability. Its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh input resistance (\u0026gt; 130 kΩ)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures minimal loading of the signal source, preserving the accuracy of the measured voltage. Compliance with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEN 61000-6-2\/4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor EMC ensures that the terminal remains stable even in environments with high electrical noise. For B2B machine builders, the ability to activate\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elimit value monitoring\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithin the terminal hardware offloads processing from the CPU, enabling faster and more responsive local monitoring of critical voltage thresholds.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106699010411,"sku":"EL3004","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/el3004-vium2p5bnt1.png?v=1776244420","url":"https:\/\/www.plcprotech.com\/products\/el3004-beckhoff-4-channel-analog-input-terminal-10-v","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}