Beckhoff EL6021 – Overview The Beckhoff EL6021 is a single-channel serial communication interface terminal designed for integration with EtherCAT I/O systems.It supports RS422 or RS485 differential interfaces, operates in full- or half-duplex mode at baud rates up to 115.2 kbaud, and offers robust isolation for long-distance and electrically noisy industrial environments.Ideal for connecting legacy serial devices into modern EtherCAT networks without the need for additional converters. Key Features Supports one serial channel (RS422/RS485) Baud rate range: 2 400…115 200 bauds Full- or half-duplex operation capability Differential signal transmission with high noise immunity Electrical isolation: 500 V between EtherCAT E-bus and field Compact 12 mm width terminal, DIN-rail mountable Powered via EtherCAT E-bus, no external supply needed Industrial temperature range and IP20 mounting suitable Technical Specifications Part Numbers: – EL6021 – EL 6021 Interface: 1 × RS422/RS485 serial communication channel Baud Rate: Up to 115.2 kbaud Isolation: 500 V (E-bus to serial interface) Mounting: 35 mm DIN-rail Operating Temperature: –25 °C … +60 °C Storage Temperature: –40 °C … +85 °C Dimensions (W × H × D): approx. 12 mm × 100 mm × 68 mm Protection Rating: IP20 Manufacturer: Beckhoff Automation Weight: 0.10 – 0.23 kg (0.22 – 0.50 lb)Packed dimensions: 12 × 7 × 6 cm (4.7 × 2.8 × 2.4 in) Applications Integration of serial (RS422/RS485) devices into EtherCAT networks Long-distance data communication in industrial automation Retrofitting legacy serial equipment in modern control systems Compact automation panels needing serial interface modules Why Choose Beckhoff EL6021 Seamlessly bridges serial devices into EtherCAT systems High isolation and robust design reduce failure risk in demanding environments Minimal footprint for high-density control cabinets Powered directly from EtherCAT bus simplifies installation Order Now The Beckhoff EL6021 Serial Interface Terminal is available for order and ships worldwide.
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