Beckhoff EL6631 – Overview The Beckhoff EL6631 is a communication interface terminal for EtherCAT I/O systems, providing a PROFINET RT controller function with two switched RJ45 ports for EtherCAT connection. It supports real-time communication, allows up to 15 PROFINET devices when used as a controller, and enables EtherCAT stations with up to 65 535 devices when used as a device version. The module features diagnostic functions such as LLDP and SNMP for network monitoring. Key Features Dual RJ45 ports (100BASE-TX) for EtherCAT communication Supports PROFINET RT controller or device functionality Data exchange capacity: up to 1 kB input and 1 kB output Electrical isolation: 500 V between EtherCAT E-bus and Ethernet ports Diagnostic capabilities: LLDP, SNMP for network diagnostics Line topology support: up to 100 m per segment Compact DIN-rail mountable terminal for industrial control environments Technical Specifications Part Numbers: – EL6631 – EL 6631 Communication Protocols: EtherCAT and PROFINET RT Ethernet Interface: 2 × RJ45 ports (100BASE-TX) Max Process Data Size: 1 kB input / 1 kB output Max Segment Length: Up to 100 m twisted pair between ports Electrical Isolation: 500 V between E-bus and Ethernet Current Consumption (E-bus): Typical 400 mA Operating Temperature: 0 °C to +55 °C Storage Temperature: -25 °C to +85 °C Protection Rating: IP20 Mounting: 35 mm DIN-rail Weight: Approx. 75 g Manufacturer: Beckhoff Automation Applications Integration of EtherCAT I/O stations into PROFINET networks Industrial automation systems needing mixed EtherCAT and PROFINET connectivity Machine control panels with real-time communication requirements Diagnostic-enabled network architectures using LLDP/SNMP Why Choose Beckhoff EL6631 Adds PROFINET RT support to EtherCAT I/O systems Fast and compact solution for real-time industrial networks Reliable electrical isolation and industrial-grade design Enables flexible mixed-protocol automation architectures Order Now The Beckhoff EL6631 Communication Interface is available for order and ships worldwide.
