{"product_id":"kl3002-beckhoff-2-channel-analog-input-terminal-10-to-10-v","title":"Bornier d'entrée analogique 2 canaux (-10 à +10 V) Beckhoff KL3002","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKL3002 (KL3002)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2-channel analog input terminal\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom the Beckhoff Bus Terminal system. Designed to interface directly with field devices, it processes bipolar signals in the range of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-10 V to +10 V\u003c\/strong\u003e. The module digitizes incoming analog voltages with a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12-bit resolution\u003c\/strong\u003e, providing the granularity required for monitoring motor speeds, valve positions, and sensor feedback in complex industrial loops. Unlike standard inputs, the KL3002 features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edifferential inputs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithin a single housing, ensuring high signal integrity and noise immunity by rejecting common-mode interference—a critical factor in long-distance cabling across factory floors.\u003c\/p\u003e\n\u003ch3\u003eFunctional Architecture \u0026amp; Isolation\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBeckhoff KL3002\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis engineered for high-level system safety and data accuracy. The incoming analog signals are\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eelectrically isolated\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom the internal K-bus, protecting the higher-level automation device (such as a Bus Coupler or Embedded PC) from field-side electrical surges or ground loops. Integrated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLED indicators\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovide real-time visual diagnostics, confirming active data exchange with the Bus Coupler. Its compact \"fine granularity\" design allows for a cost-effective 2-channel setup, organized with a common internal ground potential to simplify wiring while maintaining the benefits of a differential measurement circuit.\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\u003eKL3002\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\u003eBeckhoff\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\u003e2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSignal Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-10 V to +10 V\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\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; 200 kΩ\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\u003e~1.5 ms\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 value)\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 (K-bus\/signal voltage)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Consump. K-bus\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTyp. 60 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e~55 g (Net) \/ 1 kg (Shipping)\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 advantage of a \"Differential Input\" on the KL3002?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA differential input measures the voltage difference between two points rather than measuring a signal against a noisy local ground. This makes the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKL3002\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efar more resilient to electromagnetic interference (EMI) often caused by nearby high-power AC drives or heavy machinery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the 12-bit resolution translate to measurement precision?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith a 12-bit resolution over a 20 V span (-10 V to +10 V), the module can distinguish between 4,096 discrete levels. This results in a measurement step of approximately\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4.88 mV\u003c\/strong\u003e, providing high-fidelity tracking for most industrial control applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the KL3002 be used for single-ended signals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile optimized for differential signals, it is possible to wire a single-ended sensor by connecting the negative input terminal to the local ground potential. However, for maximum accuracy and noise rejection, a true differential connection is recommended.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Engineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse shielded twisted-pair (STP) cabling for all analog signals. Connect the cable shield to the designated ground terminal on the Beckhoff power contact or a separate shield bus to prevent the 12-bit conversion from being affected by external noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding Potential:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile the two channels share a common internal ground potential, ensure that the differential voltage at the inputs does not exceed the maximum common-mode voltage limits specified in the Beckhoff technical documentation to avoid saturation or hardware damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTerminal Placement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTo minimize conversion errors due to temperature drift, avoid placing high-current power terminals (like those for large DC motors) immediately adjacent to the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKL3002\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithout a standard air-gap or partition plate.\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\u003eKL3002\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estands out for its \"Plug-and-Play\" compatibility within the Beckhoff I\/O ecosystem. Its ultra-compact form factor (measuring only 12 mm in width) allows for high-density analog signal processing in very small control cabinets. By providing\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.5 ms conversion times\u003c\/strong\u003e, it ensures that the PLC's process image is updated rapidly, supporting high-speed control loops and real-time data logging. It is a robust, reliable component for B2B industrial projects where precision, isolation, and space-saving are non-negotiable requirements.\u003c\/p\u003e\n\u003ch3\u003e\u003c\/h3\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106531303787,"sku":"KL3002","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/KL3002-oolwrhwottn.png?v=1776245152","url":"https:\/\/www.plcprotech.com\/fr\/products\/kl3002-beckhoff-2-channel-analog-input-terminal-10-to-10-v","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}