Beckhoff EL6021-0021 EtherCAT Terminal, 1-channel communication interface, serial, RS422/RS485, line device
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
Bit transferwith differential signal
Line impedance120 Ω
Cable lengthapprox. 1000 m twisted pair
Interfaces1 x RS422/RS485
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
Pluggable wiringfor all ESxxxx terminals
Approvals/markingsCE, UL, ATEX
Ex markingII 3 G Ex nA IIC T4 Gc
Housing data
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Housing dataEL-12-8pinES-12-8pin
Design formcompact terminal housing with signal LEDsterminal housing with pluggable wiring level
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 (e), flexible conductor (f) and ferrule (a): spring actuation by screwdriver
Connection cross-sections*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²s*: 0.08…1.5 mm²,
st*: 0.08…1.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWGs*: AWG 28…14,
st*: AWG 28…14,
f*: AWG 26…16s*: AWG 28…16,
st*: AWG 28…16,
f*: AWG 26…16
Stripping length8…9 mm9…10 mm
Current load power contactsImax: 10 A
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