Technical dataEL6021
Connection 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
Interfaces1 x RS422/RS485
Line impedance120 Ω
Cable lengthapprox. 1000 m twisted pair
Providing external supply
Power supplyvia the E-bus
Distributed clocks
Electrical isolation500 V (E-bus/signal voltage)
Data buffer864 bytes receive buffer, 128 bytes transmit buffer
Configurationno address setting, configuration via PLC
Current consumption power contacts
Current consumption E-bustyp. 170 mA
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, IECEx, cFMus
Ex markingATEX:
II 3 G Ex nA IIC T4 Gc
IECEx:
Ex nA IIC T4 Gc
Ex tc IIIC T135 °C Dc
cFMus:
Class I, Division 2, Groups A, B, C, D
Class I, Zone 2, AEx ec IIC T4 Gc