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                  • Beckhoff EL6022 Serial Communication Terminal

                    Product Type: EtherCAT Serial Communication Terminal
                    Model: EL6022
                    Function: 2-Channel RS422/RS485 Interface
                    Manufacturer: Beckhoff Automation

                    The Beckhoff EL6022 is a 2-channel serial communication terminal for connecting RS422/RS485 devices to an EtherCAT control system. The two electrically isolated communication channels support full- or half-duplex operation and data rates from 300 to 115,200 baud.

                    Technical Specifications

                    Parameter	Specification
                    Model	EL6022
                    Product Type	EtherCAT Serial Communication Terminal
                    Communication Channels	2
                    Interface	RS422 / RS485
                    Connector	2 × 9-pin D-sub
                    Data Rate	300–115,200 baud
                    Default Setting	9600 baud, 8N1
                    Duplex	Full / Half Duplex
                    Maximum Cable Length	Approx. 1000 m, twisted pair
                    Cable Impedance	120 Ω
                    Receive Buffer	864 bytes/channel
                    Transmit Buffer	128 bytes/channel
                    External Supply	2 × 5 V / 20 mA max.
                    E-bus Current	Approx. 270 mA
                    Electrical Isolation	500 V
                    Mounting	35 mm DIN rail
                    Protection Rating	IP20
                    Operating Temperature	-25°C to +60°C
                    Storage Temperature	-40°C to +85°C
                    Dimensions	Approx. 24 × 100 × 52 mm
                    Weight	Approx. 55 g
                    Approvals	CE, UL, ATEX, IECEx

                    Specifications are based on Beckhoff's official EL6022 documentation.

                    Advantages & Features

                    • Dual Serial Channels: Connects two RS422/RS485 devices simultaneously.
                    • Wide Communication Range: Supports up to 115.2 kbaud.
                    • Long-Distance Communication: RS422/RS485 supports cable lengths up to approximately 1000 m with suitable twisted-pair cabling.
                    • Electrical Isolation: 500 V isolation improves noise immunity and system reliability.
                    • Full/Half Duplex: Flexible communication modes for different industrial devices.
                    • Built-in Data Buffer: 864-byte receive and 128-byte transmit buffer per channel.
                    • 5 V Auxiliary Supply: Provides up to 5 V/20 mA per channel for suitable external devices.
                    • TwinCAT Integration: Can be used with the TwinCAT Virtual Serial COM Driver as a standard Windows COM interface.

                    Typical Applications

                    • Industrial automation
                    • PLC and EtherCAT systems
                    • RS485/RS422 device integration
                    • Motor and drive communication
                    • Barcode scanners and printers
                    • Weighing and measurement equipment
                    • Industrial instrumentation
                    • Machine automation
                    • Factory automation
                    • Building and process control systems

The structure and details of the product：

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