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Beckhoff EL6861

EtherCAT Terminal, 1-channel communication interface, BACnet-MS/TP, RS485, D-sub

MPN: EL6861
Category: EL6xxx | Communication

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12-month warranty (new) · 3-month (used/refurbished)
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What is the Beckhoff EL6861?

The EL6861 serial interface enables the connection of BACnet MS/TP devices (Master-Slave/Token-Passing) via an RS485 interface. Up to 32 MS/TP devices can be connected (up to 64 if ultra-low power transceivers are used). The EL6861 interface can only be

Specifications

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
Storage temperature	-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
Design form	compact terminal housing with signal LEDs
Material	polycarbonate
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
Dimensions (W x H x D)	24 mm x 100 mm x 52 mm

EL6861: frequently asked questions

When can EL6861 be shipped?

EL6861 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up EL6861 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for EL6861 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for EL6861, subject to availability and destination.