Beckhoff EL6022 EtherCAT Terminal

The Beckhoff EL6022 is a dual-channel serial communication EtherCAT Terminal designed for seamless integration of RS422 and RS485 serial devices into automation systems. Featuring two D-sub 9-pin ports, the EL6022 supports data rates from 300 baud up to 115.2 kbaud and offers full-duplex communication. The device ensures robust signal integrity with 500 V electrical isolation and high interference immunity.

This compact terminal enables flexible configuration via the controller and can provide 2 x 5 V/20 mA from the E-bus for external device power. When used with the TwinCAT Virtual COM Driver, it functions as a standard Windows COM port.

Technical Specifications

Manufacturer: Beckhoff
Part Number: EL6022 Beckhoff
Product Type: Serial Communication Interface
Number of Channels: 2
Connection Type: D-sub, 9-pin
Interface Standards: RS422 / RS485
Data Rates: 300…115200 baud (default: 9600 baud, 8N1)
Line Impedance: 120 Ω
Cable Length: Approx. 1000 m (twisted pair)
External Power Supply: 2 x 5 V / 20 mA (short-circuit proof, isolated from E-bus)
Data Buffers: 864-byte receive buffer, 128-byte transmit buffer

Electrical & Power

Power Supply: Via the E-bus
Current Consumption (E-bus): Typ. 270 mA
Electrical Isolation: 500 V (E-bus to signal voltage)
Distributed Clocks: Not supported
Configuration: No address setting; via controller

Mechanical Specifications

Dimensions (W x H x D): 24 mm x 100 mm x 52 mm
Housing Type: EL-24
Material: Polycarbonate
Mounting: 35 mm DIN rail (EN 60715)
Side-by-Side Mounting: Double slot and key connection
Wiring Type: Specific push-in connection

Environmental Conditions

Operating Temperature: -25°C to +60°C
Storage Temperature: -40°C to +85°C
Relative Humidity: 95%, non-condensing
Vibration/Shock Resistance: Conforms to EN 60068-2-6 / EN 60068-2-27
EMC Compliance: EN 61000-6-2 / EN 61000-6-4
IP Rating: IP20

Certifications & Compliance

Approvals: CE, CCC, UL, ATEX, IECEx
ATEX Marking: II 3 G Ex ec IIC T4 Gc
IECEx Marking: Ex ec IIC T4 Gc

Key Features

✅ 2 RS422/RS485 Ports: Full-duplex, reliable serial communication.

✅ Windows Compatibility: Virtual COM port via TwinCAT driver.

✅ Electrically Isolated: 500 V isolation ensures signal integrity.

✅ Extended Cable Support: Up to 1000 m using twisted pair.

✅ Built-In Power Supply: 2 x 5 V/20 mA outputs for peripheral devices.

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Enhance your EtherCAT system with reliable serial connectivity using the compact EL6022 terminal. Perfect for integrating legacy RS485/RS422 devices into modern control architectures.

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