{"product_id":"beckhoff-ep1957-0022-twinsafe-ethercat-box-module","title":"Beckhoff EP1957-0022 TwinSAFE EtherCAT Box Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eServing as a direct, rugged link between safe input and output field signals, the \u003cstrong\u003eBeckhoff EP1957-0022\u003c\/strong\u003e enables decentralized safety logic execution within automated machinery. This IP67-rated TwinSAFE EtherCAT Box integrates safety inputs, safety outputs, and a local programmable safety controller into a single, compact field device. By mounting directly on the machine outside of control cabinets, the \u003cstrong\u003eBeckhoff EP1957-0022\u003c\/strong\u003e minimizes field-wiring complexity while maintaining compliance with strict global machine safety directives.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Safety Logic:\u003c\/strong\u003e Supports localized safety PLC program execution via Safety over EtherCAT (FSoE).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP67 Protection:\u003c\/strong\u003e Dust-tight and water-resistant enclosure engineered for direct machine mounting without an enclosure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Signal Count:\u003c\/strong\u003e Equipped with 8 safe inputs and 4 safe outputs to manage local safety loops.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eM12 Connection Technology:\u003c\/strong\u003e Uses standardized M12 5-pin, A-coded connection terminals for secure sensor\/actuator integration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized Form Factor:\u003c\/strong\u003e Dual M8 shielded interfaces for deterministic, high-speed EtherCAT communication.\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: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eDecentralized safety monitoring in packaging machinery and material handling systems.\u003c\/li\u003e\n  \u003cli\u003eRobotic work cells requiring localized emergency stop, light curtain, and safety gate integration.\u003c\/li\u003e\n  \u003cli\u003eHarsh industrial environments subject to washdown procedures, oil exposure, or fine particulate accumulation.\u003c\/li\u003e\n  \u003cli\u003eModular machine configurations where safety zones must operate independently or exchange safe status via FSoE.\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\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 Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eEP1957-0022\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProtocol\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eTwinSAFE \/ Safety over EtherCAT (FSoE)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eBus Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e2 x M8 socket, shielded, screw type\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;\"\u003eM12 x 1, 5-pin, A-coded\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 Safe Inputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e8\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 Safe Outputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e4\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eMax. Output Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.5 A per 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;\"\u003eCycle Time\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1 ms nominal (dependent on safety project size)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eFault Response Time\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e\u0026lt;= parameterized watchdog 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;\"\u003eCurrent Consumption (US)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMax. 120 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 (UP)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMax. 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;\"\u003eProtection Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eIP67 (conforms to EN 60529)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eSafety Standards\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eEN ISO 13849-1:2015 (Cat. 4, PL e), EN 61508:2010 (SIL 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;\"\u003eInstallation Position\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eVariable \/ Multi-directional mounting\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eUnit Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e315 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;\"\u003e2.0 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;\"\u003eConnector Type\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eTerminal Definition\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eFunctional Assignment\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;\"\u003e2 x M8 Sockets\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eEtherCAT In \/ Out\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eShielded, deterministic industrial communication path\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eM12 5-Pin (A-coded)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSafe Inputs 1 to 8\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eDual-channel or single-channel sensor input connections\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eM12 5-Pin (A-coded)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSafe Outputs 1 to 4\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.5 A safe switching signals to actuators\/contactors\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 EP1957-0022 operates as a decentralized safety controller. If your architecture relies purely on centralized logic and only requires safety input expansions, consider the EP1908-0002. This module is compatible with TwinCAT 3.1 environments. Be aware that safety checksum modifications require a full download of the safety project via the EtherCAT master; on-the-fly logical modifications are restricted by safety standard requirements.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhile the safe outputs are rated for 0.5 A, inductive load switching requires external free-wheeling diodes if the internal suppression limits are exceeded during rapid cycles. Additionally, ensure the total current draw of the sensor supply (US) does not exceed 120 mA to prevent local overcurrent trips. When designing the physical layout, avoid mounting the device in direct proximity to high-vibration sources or extreme heat emitters without dynamic heat-sink spacing, as thermal buildup can reduce the operational life of the internal safety relays.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways use high-quality, double-shielded M8 cabling for the EtherCAT network to avoid EMC-induced watchdog timeout errors, which automatically put the safety logic into a safe state. Ensure the metallic mounting brackets of the module are directly grounded to the machine frame to establish a low-impedance path for high-frequency noise. Verify that the US (sensor\/control power) and UP (actuator peripheral power) circuits are fed from independent, certified Class 2 power supplies to maintain proper safety isolation.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem; border-radius: 4px;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING: ELECTRICAL SAFETY PROTOCOL\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eDe-energize all primary, auxiliary, and safety-loop power distribution systems before physical installation or cable connection. Verify the complete absence of voltage across all terminals using a calibrated multimeter. Failure to isolate power can result in permanent damage to internal safety components, unexpected machine motion, or severe physical injury.\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    \u003cspan 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\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eSecurely mount the EtherCAT Box to a flat, vibration-damped surface using M4 screws, tightening them to a maximum torque of 1.2 Nm.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan 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\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eAttach the shielded M8 EtherCAT communication cables. Hand-tighten the connectors to ensure the IP67 sealing ring is properly compressed.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan 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\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eConnect the A-coded M12 cables for the safety inputs and safety outputs according to the safety loop schematic.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan 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\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eVerify that all unused M8 and M12 ports are sealed with approved IP67 protective caps to prevent dust and fluid ingress.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan 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;\"\u003e5\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eApply power to the system, verify network connection status via the LED indicators, and execute a functional safety test of the logic project.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106424906091,"sku":"EP1957-0022","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/ep1957-0022-luhsxfx5m4l.png?v=1776244643","url":"https:\/\/www.plcprotech.com\/de\/products\/beckhoff-ep1957-0022-twinsafe-ethercat-box-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}