Beckhoff EL6861 EtherCAT Terminal, 1-channel communication interface, BACnet-MS/TP, RS485, D-sub
Technical data EL6861
Technology D-sub, 9-pin
Devices 32, up to 64 if ultra-low power transceivers are used
Data transfer channels 1
Data transfer rates 9600, 19,200, 38,400, 57,600, 76,800 and 115,200 baud (default: 9600 baud)
Interfaces 1 x RS485
Termination resistor externally via ZB3100 or ZS1031-3000 connector
Bias resistor (network bias) externally via ZB3100 or ZS1031-3000 connector
Cable length max. 500 m twisted pair
Providing external supply 1 x max. 5 V/20 mA, out of E-bus supply, short-circuit proof
Power supply via the E-bus
Distributed clocks –
Electrical isolation 500 V (E-bus/signal voltage)
Bit width in the process image 128 x 8 bit input, 128 x 8 bit output, 16 bit control, 16 bit status
Configuration configuration via controller, TwinCAT
Current consumption power contacts –
Current consumption E-bus typ. 170 mA
Special features can only be used with TwinCAT
Weight approx. 55 g
Operating/storage temperature -25…+60 °C/-40…+85 °C
Relative humidity 95 %, no condensation
Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos. IP20/variable
Approvals/markings CE, UL
Housing data
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Housing data EL-24
Design form compact terminal housing with signal LEDs
Material polycarbonate
Dimensions (W x H x D) 24 mm x 100 mm x 52 mm
Installation on 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means of double slot and key connection
Marking –
Wiring specific push-in connection
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