{"product_id":"beckhoff-ks3122-bus-terminal","title":"BECKHOFF KS3122 Bus Terminal","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBECKHOFF KS3122\u003c\/strong\u003e is a high-performance, 2-channel analog input Bus Terminal designed to acquire differential signals in the range of 4 to 20 mA. Engineered for precision integration within K-bus networks, this terminal features a pluggable wiring level that distinguishes the KS series from standard fixed-wire KL modules. This design enables quick installation, pre-wiring, and hassle-free maintenance by allowing the terminal housing to be removed without disconnecting the field wiring.\u003c\/p\u003e\n\u003cp\u003eWith an internal differential input structure, the \u003cstrong\u003eBECKHOFF KS3122\u003c\/strong\u003e offers exceptional noise rejection and signal stability in electrically noisy environments. It delivers a default resolution of 15 bits, which can be configured up to 16 bits for high-resolution measurement applications. This level of precision, combined with configurable filters and conversion times, makes it a reliable choice for monitoring process variables such as pressure, temperature, and flow across a wide variety of industrial field sensors.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo differential analog input channels optimized for 4 to 20 mA signal current.\u003c\/li\u003e\n  \u003cli\u003ePluggable connection technology (KS series) for simplified field service and rapid replacement.\u003c\/li\u003e\n  \u003cli\u003eHighly precise 15-bit resolution, configurable up to 16 bits.\u003c\/li\u003e\n  \u003cli\u003eConfigurable conversion times down to 2 ms (140 ms default).\u003c\/li\u003e\n  \u003cli\u003eIntegrated configurable 50 Hz filter for reliable noise suppression.\u003c\/li\u003e\n  \u003cli\u003eGalvanic electrical isolation of 500 V between the K-bus and the signal electronics.\u003c\/li\u003e\n  \u003cli\u003eCompact, space-saving housing designed for 35 mm DIN-rail mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProcess control and automation requiring analog current loop feedback.\u003c\/li\u003e\n  \u003cli\u003eIntegration of current transmitters, flow meters, and pressure transducers.\u003c\/li\u003e\n  \u003cli\u003eDifferential current measurement in environments prone to common-mode electrical noise.\u003c\/li\u003e\n  \u003cli\u003eModular control systems where pluggable wiring decreases commissioning and maintenance times.\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  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParameter\u003c\/th\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eManufacturer\u003c\/td\u003e\n      \u003ctd\u003eBECKHOFF\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eExact Model\u003c\/td\u003e\n      \u003ctd\u003eKS3122\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Type\u003c\/td\u003e\n      \u003ctd\u003eAnalog Input Bus Terminal\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDesign Form\u003c\/td\u003e\n      \u003ctd\u003eTerminal housing with pluggable wiring level\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMaterial\u003c\/td\u003e\n      \u003ctd\u003ePolycarbonate\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInstallation\u003c\/td\u003e\n      \u003ctd\u003e35 mm DIN rail (conforming to EN 60715) with lock\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSide-by-Side Mounting\u003c\/td\u003e\n      \u003ctd\u003eDouble slot and key connection\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eSignal and Electrical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParameter\u003c\/th\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n      \u003ctd\u003e2\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSignal Current\u003c\/td\u003e\n      \u003ctd\u003e4 to 20 mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInput Technology\u003c\/td\u003e\n      \u003ctd\u003eDifferential input\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInternal Resistance\u003c\/td\u003e\n      \u003ctd\u003etyp. 50 Ohm shunt, load: 60 Ohm + diode voltage\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCommon-Mode Voltage (Ucm)\u003c\/td\u003e\n      \u003ctd\u003emax. 35 V\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSurge Voltage Resistance\u003c\/td\u003e\n      \u003ctd\u003e35 V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePower Supply\u003c\/td\u003e\n      \u003ctd\u003eVia the K-bus\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCurrent Consumption K-bus\u003c\/td\u003e\n      \u003ctd\u003etyp. 60 mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCurrent Consumption Power Contacts\u003c\/td\u003e\n      \u003ctd\u003eNo power contacts\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eElectrical Isolation\u003c\/td\u003e\n      \u003ctd\u003e500 V (K-bus \/ signal voltage)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003ePerformance and Configuration\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParameter\u003c\/th\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eResolution\u003c\/td\u003e\n      \u003ctd\u003e15 bit (configurable to 16 bit)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eConversion Time\u003c\/td\u003e\n      \u003ctd\u003e140 ms (configurable to 2 ms)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFilter\u003c\/td\u003e\n      \u003ctd\u003e50 Hz (configurable)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMeasuring Error\u003c\/td\u003e\n      \u003ctd\u003e\u0026lt; ±0.3% (relative to full scale value)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBit Width in Process Image\u003c\/td\u003e\n      \u003ctd\u003eInput: 2 x 16-bit data (2 x 8-bit control\/status optional)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eConfiguration\u003c\/td\u003e\n      \u003ctd\u003eNo address or configuration setting required (via TwinCAT)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eConnection and Wiring\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParameter\u003c\/th\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWiring Technology\u003c\/td\u003e\n      \u003ctd\u003ePluggable spring-actuation via screwdriver\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eConductor Cross-Section (Solid)\u003c\/td\u003e\n      \u003ctd\u003e0.08 to 1.5 mm² (AWG 28 to 16)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eConductor Cross-Section (Stranded)\u003c\/td\u003e\n      \u003ctd\u003e0.08 to 1.5 mm² (AWG 28 to 16)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eConductor Cross-Section (Flexible)\u003c\/td\u003e\n      \u003ctd\u003e0.14 to 1.5 mm² (AWG 26 to 16)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eStripping Length\u003c\/td\u003e\n      \u003ctd\u003e9 to 10 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCurrent Load Power Contacts (Imax)\u003c\/td\u003e\n      \u003ctd\u003e10 A\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  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParameter\u003c\/th\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDimensions (W x H x D)\u003c\/td\u003e\n      \u003ctd\u003e12 mm x 100 mm x 68 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWeight\u003c\/td\u003e\n      \u003ctd\u003eapprox. 70 g (0.07 kg)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n      \u003ctd\u003e0 to +55 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eStorage Temperature\u003c\/td\u003e\n      \u003ctd\u003e-25 to +85 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRelative Humidity\u003c\/td\u003e\n      \u003ctd\u003e95%, no condensation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProtection Rating\u003c\/td\u003e\n      \u003ctd\u003eIP20\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInstallation Position\u003c\/td\u003e\n      \u003ctd\u003eVariable\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVibration\/Shock Resistance\u003c\/td\u003e\n      \u003ctd\u003eConforms to EN 60068-2-6 \/ EN 60068-2-27\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEMC Immunity\/Emission\u003c\/td\u003e\n      \u003ctd\u003eConforms to EN 61000-6-2 \/ EN 61000-6-4\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\u003e\n\u003cstrong\u003ePower De-energization:\u003c\/strong\u003e Ensure the entire K-bus system and any external field power supplies are completely powered off before installing, removing, or wiring the terminal.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIN Rail Mounting:\u003c\/strong\u003e Position the terminal on a standard 35 mm DIN rail conforming to EN 60715 and slide it until the lock mechanism clicks securely into place.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTerminal Connection:\u003c\/strong\u003e Align and slide the double slot and key connections of adjacent terminals together to build a robust physical assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePluggable Wiring level:\u003c\/strong\u003e Leverage the pluggable wiring capability of the KS3122. Ensure the terminal housing is properly seated onto the pluggable base. Wire the spring clamps using a standard slot screwdriver, stripping the wire ends 9 to 10 mm.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShielding and Grounding:\u003c\/strong\u003e Maintain proper electromagnetic immunity by implementing appropriate shielding for analog current-loop sensor cabling, and ground according to local standards.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cp\u003eThe BECKHOFF KS3122 is compliant with international standards and holds the following markings:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE:\u003c\/strong\u003e Conforms to relevant European directives.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL:\u003c\/strong\u003e UL listed for safety.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eATEX Ex Marking:\u003c\/strong\u003e II 3 G Ex nA IIC T4 Gc (Approved for use in hazardous zone 2 locations).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106493063531,"sku":"KS3122","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/ks3122-bg2ipct2liw.png?v=1776245289","url":"https:\/\/www.plcprotech.com\/products\/beckhoff-ks3122-bus-terminal","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}