{"product_id":"beckhoff-el1262-ethercat-terminal-2-channel-digital-input-module","title":"Beckhoff EL1262 EtherCAT Terminal 2-Channel Digital Input Module","description":"\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned for high-speed signal acquisition within the EtherCAT system architecture, the \u003cstrong\u003eBeckhoff EL1262\u003c\/strong\u003e digital input terminal enables precise oversampling of binary control signals. This module is engineered to capture fast transitions with microsecond-level accuracy, making it ideal for applications where standard cycle times are insufficient to resolve rapid industrial processes.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eTwo-channel digital input with high-speed oversampling functionality.\u003c\/li\u003e\n  \u003cli\u003eIntegrated Distributed Clocks (DC) ensuring synchronization precision of much less than 1 microsecond.\u003c\/li\u003e\n  \u003cli\u003eSupports oversampling factors up to 1000x per EtherCAT cycle.\u003c\/li\u003e\n  \u003cli\u003e4-wire connection technology allowing direct sensor integration without external terminal blocks.\u003c\/li\u003e\n  \u003cli\u003eFast input filter time of less than 1 microsecond for rapid state detection.\u003c\/li\u003e\n  \u003cli\u003eClear status indication via integrated signal LEDs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eHigh-speed packaging machinery and synchronization systems.\u003c\/li\u003e\n  \u003cli\u003ePrecision motion control and positioning feedback systems.\u003c\/li\u003e\n  \u003cli\u003eTransient signal recording and high-frequency process monitoring.\u003c\/li\u003e\n  \u003cli\u003eQuality control and inspection systems requiring microsecond-level event capture.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\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\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\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eEL1262\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 Inputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e2\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eNominal Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e24 V DC (-15% \/ +20%)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eSignal Voltage \"0\"\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e-3 to +5 V DC (EN 61131-2, Type 3)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eSignal Voltage \"1\"\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e11 to 30 V DC (EN 61131-2, Type 3)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eInput Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eTypical 3.0 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;\"\u003eInput Filter\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eTypical \u0026lt; 1 microsecond\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eSampling Rate\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMaximum 1 Msample\/s\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOversampling Factor\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003en = 1 to 1000 (integer multiple of cycle time)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTimestamp Precision\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e10 ns (+ input delay)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eDistributed Clocks\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eYes (Precision \u0026lt;\u0026lt; 1 microsecond)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCurrent Consumption E-bus\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eTypical 70 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;\"\u003eCurrent Consumption Power Contacts\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eTypical 20 mA + load\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 (E-bus \/ field potential)\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;\"\u003e4-wire\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eSolid\/Stranded Wire Section\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.08 to 2.5 mm² (AWG 28 to 14)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eFerrule Wire Section\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.14 to 1.5 mm² (AWG 26 to 16)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eStripping Length\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e8 to 9 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eDimensions (W x H x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e12 mm x 100 mm x 68 mm\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;\"\u003e55 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;\"\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;\"\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\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eCE, UL, ATEX, IECEx, cFMus\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eHazardous Area Ratings\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eATEX: II 3 G Ex nA IIC T4 Gc\u003cbr\u003eIECEx: Ex nA IIC T4 Gc \/ Ex tc IIIC T135 degC Dc\u003cbr\u003ecFMus: Class I, Div 2, Groups A, B, C, D\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\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\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eSignal \/ Function\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;\"\u003eInput 1 (24 V DC)\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;\"\u003eInput 2 (24 V DC)\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;\"\u003e0 V (Sensor Supply, Channel 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;\"\u003eTerminal 4\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0 V (Sensor Supply, Channel 2)\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;\"\u003e+24 V DC (Sensor Supply, Channel 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;\"\u003eTerminal 6\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e+24 V DC (Sensor Supply, Channel 2)\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 \/ PE (Channel 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;\"\u003eTerminal 8\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eShield \/ PE (Channel 2)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe EL1262 is the standard tension clamp terminal. For applications requiring pluggable wiring harnesses, the ES1262 variant should be utilized. Note that oversampling configurations require TwinCAT 2.11 or higher, and the terminal must be integrated into an EtherCAT segment where the master supports Distributed Clocks (DC).\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eA common configuration error is disabling Distributed Clocks in the TwinCAT system manager. If DC is not activated, the oversampling buffer will fail to synchronize, resulting in cycle counter mismatches and invalid process data. Ensure that the E-bus power budget is verified during design; the EL1262 draws 70 mA from the E-bus, which can cause communication drops if the coupler's power supply limit is exceeded.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eBecause of the sub-microsecond response time, the inputs are highly sensitive to high-frequency noise. Always use shielded, twisted-pair cabling for the sensor connections and terminate the shields directly to Terminals 7 and 8. Ensure the DIN rail is properly grounded to the cabinet's functional earth to maintain signal integrity.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem; color: #9b2c2c;\"\u003e\n  \u003cstrong\u003eCRITICAL WARNING:\u003c\/strong\u003e De-energize the entire EtherCAT segment and all field power contacts before inserting, removing, or wiring any terminal. Failure to isolate the power supply can cause permanent damage to the E-bus communication contacts and lead to unpredictable system behavior.\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;\"\u003e\n    \u003cspan style=\"display: inline-flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; margin-right: 10px; font-weight: bold;\"\u003e1\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eMount the terminal onto a standard 35 mm DIN rail (conforming to EN 60715) by sliding it down until the locking mechanism clicks firmly into place.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start;\"\u003e\n    \u003cspan style=\"display: inline-flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; margin-right: 10px; font-weight: bold;\"\u003e2\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eConnect adjacent terminals using the integrated double slot and key connection system to establish E-bus continuity.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start;\"\u003e\n    \u003cspan style=\"display: inline-flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; margin-right: 10px; font-weight: bold;\"\u003e3\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eStrip the sensor wires to 8–9 mm. Use a flat-blade screwdriver to actuate the spring-clamp terminal, insert the conductor, and release the clamp to secure the wire.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start;\"\u003e\n    \u003cspan style=\"display: inline-flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 24px; height: 24px; border-radius: 50%; margin-right: 10px; font-weight: bold;\"\u003e4\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eVerify the E-bus and field power LED indicators upon system startup to confirm correct electrical and communication status.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106568233323,"sku":"EL1262","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/el1262-3lvc3gky5bn.png?v=1776244381","url":"https:\/\/www.plcprotech.com\/products\/beckhoff-el1262-ethercat-terminal-2-channel-digital-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}