{"product_id":"beckhoff-kl6201-bus-terminal-as-interface-master-terminal","title":"Beckhoff KL6201 Bus Terminal AS-Interface Master Terminal","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eOperating as a dedicated master interface between the internal K-bus backplane and actuator-sensor field networks, the \u003cstrong\u003eBeckhoff KL6201\u003c\/strong\u003e enables direct and seamless integration of AS-Interface (AS-i) networks into modular I\/O configurations. This single-channel master module processes signals from both digital and analog AS-i slaves, converting field-level communication into K-bus protocols for processing by central controllers. The unit features selectable process image widths to balance data throughput and diagnostic feedback, offering an optimal network expansion interface for medium-to-large industrial control environments.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Specification Compatibility:\u003c\/strong\u003e Supports AS-Interface specifications V2.0 and V2.1, ensuring compatibility with older and current slave generations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScalable Slave Capacities:\u003c\/strong\u003e Connects up to 31 slaves under V2.0 protocols or up to 62 slaves under V2.1 protocols.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfigurable Process Image:\u003c\/strong\u003e Selectable transmission widths of 12, 22, or 38 bytes, with 6 bytes reserved for parameter configuration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Status Diagnostics:\u003c\/strong\u003e Continuous hardware-level diagnostics for power failures, slave communication drops, and configuration parameters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Address Assignment:\u003c\/strong\u003e Auto-addressing capabilities directly through the control software interface or manual assignment via KS2000.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Galvanic Isolation:\u003c\/strong\u003e Provides robust 500 V testing isolation between the internal K-bus and the external AS-i field lines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomated Conveyor Systems:\u003c\/strong\u003e Distributed sensor and actuator monitoring along long conveyor paths.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePneumatic Valve Manifold Control:\u003c\/strong\u003e Interfacing multi-point industrial solenoid valves to central PLC networks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHazardous Area Demarcation:\u003c\/strong\u003e Deployment in explosive atmospheres when matched with specific ATEX-certified installation criteria.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eSpecification Value\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eBeckhoff Automation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eKL6201\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTechnology Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eAS-Interface Master\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eNumber of Channels\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1 AS-i channel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eSpecification Version\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eAS-Interface V2.0, V2.1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eConnected Slaves Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eUp to 31 (V2.0) \/ up to 62 (V2.1)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCompatible Slave Types\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eDigital and analog field slaves\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eBackplane Current Draw (K-bus)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eTyp. 55 mA\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eAS-Interface Power Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eTyp. 60 mA\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCycle Time\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMax. 5 ms (for 31 connected devices)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eElectrical Isolation\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e500 V (AS-Interface\/K-bus backplane)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003ePower Contacts Through-Bus\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eNone (no passive power contact terminals)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eConnection Technology\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e2-wire spring-force connection\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0 to +55 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eStorage Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e-25 to +85 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eRelative Humidity\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e95 %, non-condensing\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eVibration\/Shock Resistance\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eConforms to EN 60068-2-6 \/ EN 60068-2-27\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eEMC Immunity\/Emission\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eConforms to EN 61000-6-2 \/ EN 61000-6-4\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProtection Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eIP20\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eApprovals \u0026amp; Markings\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eCE, UL, ATEX, AS-i Certificate (ZU-No. 125801)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eEx Marking\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eII 3 G Ex nA IIC T4 Gc\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eWeight\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eApprox. 55 g\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1.00 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eTerminal Connection Point\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eSignal Assignment\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eFunctional Description\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTerminal 1\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eAS-i +\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eAS-Interface Positive Terminal (bridged internally to Terminal 5)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTerminal 2\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eAS-i -\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eAS-Interface Negative Terminal (bridged internally to Terminal 6)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTerminal 3\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eShield \/ FE\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eFunctional Earth Shielding connection point\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTerminal 5\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eAS-i +\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eAS-Interface Positive Extension link\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTerminal 6\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eAS-i -\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eAS-Interface Negative Extension link\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTerminal 7\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eShield \/ FE\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eFunctional Earth Shielding connection point\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe KL6201 shares an identical functional, electrical, and register map configuration with the KS6201. The key distinction lies in the physical hardware termination style: the KS series features a pluggable wiring header block, allowing swap-outs of the terminal block without needing to disconnect separate spring-tension wires. If your site undergoes frequent maintenance cycles or utilizes modular wiring harnesses, upgrading to the KS6201 represents a drop-in physical alternative with zero configuration updates required in the TwinCAT system manager.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eIt is vital to recognize that the KL6201 does not pass power contacts through the module (it features no rear backplane spring power contacts). While it derives its control logic operating current (approx. 55 mA) directly from the K-bus, the actual AS-i bus field line requires excitation from an external, dedicated AS-i power supply (typically 30 VDC with integrated decoupling networks). Attempting to run the AS-i circuit off standard industrial 24 VDC switched power without the matching AS-i filter topology will induce communication noise and trigger constant parameterization and slave-loss diagnostic faults on the master.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen configuring the terminal in TwinCAT, selecting the 38-byte process image width is highly recommended if you deploy analog slaves. This avoids multiple-cycle delays when retrieving parameter files or large analog data arrays. If your network consists exclusively of high-speed digital logic, downgrade to the 12-byte map to minimize communication cycle overhead on the main fieldbus coupler (such as PROFIBUS or EtherCAT couplers). Ensure that the Functional Earth terminals (Terminal 3 and 7) are tied directly to a low-impedance ground plane to drain electromagnetic noise away from the AS-i data signal.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eIsolate all electrical power sources (both the main PLC power supply and the auxiliary external AS-i power supply lines) before mounting, removing, or wiring the KL6201 module. Failure to de-energize circuits prior to physical insertion or extraction can cause capacitive arcing, permanently damaging the internal K-bus line drivers and corruption of adjacent terminal logic profiles.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eAlign the KL6201 on the standard DIN rail (35 mm) next to your Bus Coupler or existing terminal node sequence. Slide and press firmly until the lock release mechanism clicks securely over the DIN rail edge.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eEnsure that the tongue-and-groove side interlocking tracks are correctly aligned with the adjacent terminals to secure reliable electrical connection through the backplane K-bus.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eInsert a small flat-bladed screwdriver into the spring release slot, insert the stripped AS-i field wire (+ and -) into the corresponding terminal points (Terminal 1\/5 and Terminal 2\/6 respectively), and remove the tool to clamp the conductor securely.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eConnect the functional earth shield wire to Terminal 3 or Terminal 7. Re-verify insulation and correct polarity alignments before energizing the system.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106490081643,"sku":"KL6201","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/kl6201-set10l24xuo.png?v=1776245199","url":"https:\/\/www.plcprotech.com\/fa\/products\/beckhoff-kl6201-bus-terminal-as-interface-master-terminal","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}