{"product_id":"nu-ec1a-keyence-network-communication-unit-ethercat-100-mbps","title":"NU-EC1A Keyence Network Communication Unit EtherCAT 100 Mbps","description":"\u003ch2\u003e\u003cstrong\u003eNU-EC1A Keyence Network Communication Unit for EtherCAT Systems\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003eNU-EC1A\u003c\/strong\u003e; \u003cstrong\u003eBrand:\u003c\/strong\u003e Keyence; \u003cstrong\u003eSeries:\u003c\/strong\u003e NU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEthernet:\u003c\/strong\u003e IEEE802.3u (100BASE-TX), \u003cspan style=\"color: #c0392b;\"\u003e\u003cstrong\u003e100 Mbps\u003c\/strong\u003e\u003c\/span\u003e, Cat 5e or higher STP cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePorts:\u003c\/strong\u003e RJ45 x2 for EtherCAT inline connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNode distance:\u003c\/strong\u003e 100 m between nodes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocol support:\u003c\/strong\u003e EtherCAT cyclic traffic, mailbox CoE and \u003cspan style=\"color: #c0392b;\"\u003e\u003cstrong\u003eexplicit device ID\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor connection:\u003c\/strong\u003e N-bus compatible amplifiers, \u003cspan style=\"color: #c0392b;\"\u003e\u003cstrong\u003eup to 16 units\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassing current:\u003c\/strong\u003e 1,200 mA or less total\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower supply:\u003c\/strong\u003e 24 VDC +\/-10% with ripple of 10% or less\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e \u003cspan style=\"color: #c0392b;\"\u003e\u003cstrong\u003e-20 to +55 °C\u003c\/strong\u003e\u003c\/span\u003e (no freezing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumidity range:\u003c\/strong\u003e 35 to 85% RH (no condensation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 0.08 kg including connectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eNetwork and Sensor Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe dual RJ45 ports support EtherCAT cyclic process data, mailbox CoE and explicit device ID in one module.\u003c\/li\u003e\n\u003cli\u003eCyclic traffic carries sensor states, while CoE mailbox access handles parameters and diagnostic reads.\u003c\/li\u003e\n\u003cli\u003eThe N-bus wiring-saving connector links up to 16 amplifiers with 1,200 mA total passing current.\u003c\/li\u003e\n\u003cli\u003eCat 5e or higher STP cable and 100 m node distance keep signals stable across long lines.\u003c\/li\u003e\n\u003cli\u003eExplicit device ID simplifies node identification during commissioning and after module replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the \u003cstrong\u003eNU-EC1A\u003c\/strong\u003e on a DIN rail or panel inside the control cabinet, clear of heat sources.\u003c\/li\u003e\n\u003cli\u003eConnect N-bus amplifiers with the wiring-saving connector and confirm total current stays below 1,200 mA.\u003c\/li\u003e\n\u003cli\u003eUse shielded Cat 5e or higher cable on both RJ45 ports and keep each node distance under 100 m.\u003c\/li\u003e\n\u003cli\u003eApply 24 VDC +\/-10% with ripple of 10% or less to the power connector.\u003c\/li\u003e\n\u003cli\u003eSet the EtherCAT station address and map process data in the master configuration tool.\u003c\/li\u003e\n\u003cli\u003eCheck cyclic data and CoE mailbox access, then secure connectors and route cables away from drives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEnvironmental Durability and Interference Resistance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe -20 to +55 °C range covers cold rooms and warm enclosures without extra climate control.\u003c\/li\u003e\n\u003cli\u003e35 to 85% RH operation without condensation fits most factory floors and wash-down adjacent areas.\u003c\/li\u003e\n\u003cli\u003eShielded twisted-pair cable and 100 Mbps signaling reduce noise pickup on busy EtherCAT lines.\u003c\/li\u003e\n\u003cli\u003eInline RJ45 ports keep the bus chain short, which lowers reflection and keeps cycle times stable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Keyence \u003cstrong\u003eNU-EC1A\u003c\/strong\u003e network communication unit\u003c\/li\u003e\n\u003cli\u003e1 x wiring-saving connector for N-bus amplifiers\u003c\/li\u003e\n\u003cli\u003e1 x power connector\u003c\/li\u003e\n\u003cli\u003e1 x quick reference sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eShipping and Support\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWe keep this item in stock as brand new original stock.\u003c\/li\u003e\n\u003cli\u003eWe ship within 5 days through FedEx, UPS or DHL.\u003c\/li\u003e\n\u003cli\u003eWe accept returns within 30 days of delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How many sensor amplifiers can the NU-EC1A connect?\u003c\/strong\u003e A: The N-bus link accepts up to 16 compatible amplifiers with 1,200 mA total passing current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What does explicit device ID do on this unit?\u003c\/strong\u003e A: It lets the EtherCAT master identify each node by a fixed ID during setup and after replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Which Ethernet speed and cable does the unit need?\u003c\/strong\u003e A: It runs at 100 Mbps over IEEE802.3u 100BASE-TX and works best with shielded Cat 5e or higher cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the maximum distance between nodes?\u003c\/strong\u003e A: Each EtherCAT node distance can reach 100 m with suitable STP cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What power supply does the NU-EC1A require?\u003c\/strong\u003e A: It needs 24 VDC +\/-10% with ripple of 10% or less at the power connector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is the unit in stock and how fast do you ship?\u003c\/strong\u003e A: We hold brand new original stock and dispatch within 5 days by FedEx, UPS or DHL.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keyence","offers":[{"title":"Default Title","offer_id":51024065626370,"sku":"NU-EC1A","price":236.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/NU-EC1A-1.jpg?v=1794364512","url":"https:\/\/www.nex-auto.com\/products\/nu-ec1a-keyence-network-communication-unit-ethercat-100-mbps","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}