{"product_id":"beckhoff-kl3204-bus-terminal","title":"BECKHOFF KL3204 Bus Terminal","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBECKHOFF KL3204\u003c\/strong\u003e is a 4-channel analog input Bus Terminal designed for the direct connection of resistance thermometers (RTDs) and resistance sensors in industrial automation systems. Operating on the modular K-bus architecture, this terminal provides high-precision evaluation of thermal values, enabling accurate feedback for control loops and system monitoring. With its 16-bit processing capabilities, it serves as a reliable data acquisition unit for standard industrial environments.\u003c\/p\u003e\n\n\u003cp\u003eThe terminal features integrated microprocessors that automatically linearize sensor characteristics over their full operational curves. It is designed around 2-wire connection technology, allowing for straightforward, compact wiring layouts. The \u003cstrong\u003eBECKHOFF KL3204\u003c\/strong\u003e supports a broad spectrum of popular temperature sensors, including platinum (Pt) and nickel (Ni) variants, making it a highly versatile component in diverse process installations.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFour independent analog input channels optimized for RTD and resistance measurement\u003c\/li\u003e\n  \u003cli\u003eSupports multiple sensor types: Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, and Ni1000\u003c\/li\u003e\n  \u003cli\u003eFeatures integrated linearization of temperature curves across all supported measuring ranges\u003c\/li\u003e\n  \u003cli\u003eUtilizes efficient 2-wire connection technology for simplified terminal wiring\u003c\/li\u003e\n  \u003cli\u003eHigh-resolution 16-bit analog-to-digital signal conversion\u003c\/li\u003e\n  \u003cli\u003eStandard K-bus interface for reliable communication backplane integration\u003c\/li\u003e\n  \u003cli\u003eCompact, space-saving design with clear diagnostic LED indicators\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThermal process control and monitoring in industrial automation\u003c\/li\u003e\n  \u003cli\u003eHeating, ventilation, and air conditioning (HVAC) systems\u003c\/li\u003e\n  \u003cli\u003eMachine monitoring and equipment overheating prevention\u003c\/li\u003e\n  \u003cli\u003eEnvironmental chamber testing and regulation systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ch4\u003eGeneral\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eBECKHOFF\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eKL3204\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eBus Terminal (K-bus)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eSignal and I\/O\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e4\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eConnection Technology\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e2-wire\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSensor Types\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003ePt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni1000, resistance measurement (e.g., potentiometer)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMeasuring Range (Pt sensors)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e-200 to +850 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMeasuring Range (Ni sensors)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e-60 to +250 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eResistance Range\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e10 Ohm to 1.2 kOhm or 5 kOhm (sensor dependent)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e0.1 degC per digit\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMeasuring Current\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003etyp. 0.5 mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMeasurement Error\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\u0026lt; ±1 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eElectrical\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eVia the K-bus backplane\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eElectrical Isolation\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e500 V (K-bus to signal voltage)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003ePerformance\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eConversion Time\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eapprox. 250 ms\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eMechanical and Environmental\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e-25 to +60 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e-40 to +85 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e95%, no condensation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eapprox. 70 g\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections \/ Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eTerminal Point\u003c\/th\u003e\n      \u003cth\u003eFunction\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e1\u003c\/td\u003e\n      \u003ctd\u003eChannel 1 Input\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e5\u003c\/td\u003e\n      \u003ctd\u003eChannel 1 Return\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2\u003c\/td\u003e\n      \u003ctd\u003eChannel 2 Input\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e6\u003c\/td\u003e\n      \u003ctd\u003eChannel 2 Return\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e3\u003c\/td\u003e\n      \u003ctd\u003eChannel 3 Input\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e7\u003c\/td\u003e\n      \u003ctd\u003eChannel 3 Return\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e4\u003c\/td\u003e\n      \u003ctd\u003eChannel 4 Input\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e8\u003c\/td\u003e\n      \u003ctd\u003eChannel 4 Return\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eEnsure that the power supply to the K-bus segment, Bus Coupler, and all adjacent components is fully de-energized before beginning installation.\u003c\/li\u003e\n  \u003cli\u003eAlign the KL3204 Bus Terminal with the DIN rail (standard 35 mm) and push it down until it snaps securely into place.\u003c\/li\u003e\n  \u003cli\u003eVerify that the locking mechanism is engaged and that the lateral contact surfaces line up perfectly with adjacent terminals.\u003c\/li\u003e\n  \u003cli\u003eConnect the 2-wire RTD sensor leads directly to the appropriate terminal points according to the pin mapping table.\u003c\/li\u003e\n  \u003cli\u003eConfigure the sensor parameters and temperature scale within your TwinCAT or third-party engineering environment to match the physical sensors connected.\u003c\/li\u003e\n  \u003cli\u003eApply power to the Bus Coupler and monitor the diagnostic status LEDs to ensure correct operation.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106501648747,"sku":"KL3204","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/kl3204-ktnw3b4lfff.png?v=1776245157","url":"https:\/\/www.plcprotech.com\/products\/beckhoff-kl3204-bus-terminal","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}