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EL6021-0021 | EtherCAT Terminal, 1-channel communication interface, serial, RS422/RS485, line device

EL6021-0021 | EtherCAT Terminal, 1-channel communication interface, serial, RS422/RS485, line device

EL6021-0021 | EtherCAT Terminal, 1-channel communication interface, serial, RS422/RS485, line device

Run LED
TxD LED
RxD LED
Power contact
+24 V
Power contact 0 V
TxD+
RxD+
GND
Shield
TxD-
RxD-
GND
Shield
Top view 
Contact assembly 
EL6021-0021 | EtherCAT Terminal, 1-channel communication interface, serial, RS422/RS485, line device

EL6021-0021 | EtherCAT Terminal, 1-channel communication interface, serial, RS422/RS485, line device

The EL6021-0021 serial interface enables the connection of devices with RS422 or RS485 interface. These devices communicate with the automation device via the coupler. The active communication channel operates independently of the higher-level bus system in full or half duplex mode at up to 115.2 kbaud. The transmission of differential signals according to RS422 guarantees high immunity to interference through electrically isolated signals.

If several EL602x are interconnected in a bus, the EL6021-0021 with its enlarged bias resistors can be used for intermediate devices.

In conjunction with the TwinCAT Virtual Serial COM Driver (see TwinCAT Supplements – Communication) the EL6021-0021 can be used as a normal Windows COM interface.

Product status:

regular delivery

Product information

Technical dataEL6021-0021
Technologyterminal contact
Data transfer channelsTxD and RxD, full/half duplex
Data transfer rates2400…115,200 baud; default: 9600 baud, 8 data bits, no parity and one stop bit
Interfaces1 x RS422/RS485
Bit transferwith differential signal
Line impedance120 Ω
Cable lengthapprox. 1000 m twisted pair
Providing external supply
Power supplyvia the E-bus
Electrical isolation500 V (E-bus/signal voltage)
Data buffer864 bytes receive buffer, 128 bytes transmit buffer
Bit width in the process image22 x 8 bit input, 22 x 8 bit output, 16 bit control, 16 bit status
Configurationno address setting, configuration via PLC
Current consumption E-bustyp. 170 mA
Special features
Weightapprox. 55 g
Operating/storage temperature-25…+60 °C/-40…+85 °C
Relative humidity95%, no condensation
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.IP20/variable
Ex markingATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
Approvals/markingsCE, UL, ATEX, IECEx
Housing dataEL-12-8pin
Design formcompact terminal housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)12 mm x 100 mm x 68 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Markinglabeling of the BZxxx series
Wiringsolid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWGs*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16
Stripping length8…9 mm
Current load power contactsImax: 10 A

*s: solid wire; st: stranded wire; f: with ferrule

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