Home / Beckhoff / EL6xxx | Communication / Beckhoff EL6821

Beckhoff EL6821

EtherCAT Terminal, 1-channel communication interface, DALI-2, master/power supply

MPN: EL6821
Category: EL6xxx | Communication

Price and lead time confirmed within 1 business day

Request a Quote

12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
Ships via
100% positive eBay feedback

Have spare Beckhoff parts? We buy surplus →

What is the Beckhoff EL6821?

The EL6821 allows up to 64 DALI-/DALI-2 slaves and 64 DALI-2 input devices to be connected. The TwinCAT 3 System Manager makes it easy to configure and parameterize DALI devices. Programming is performed exclusively via TwinCAT 3 function blocks. The

Specifications

Technology	DALI-2
Slaves/groups	max. 64 DALI control gears (ballasts) and max. 64 control devices (input devices/application controller)
Data transfer channels	1
Data transfer standard	DALI + DALI-2
Data transfer rates	1200 baud
Electrical isolation	500 V (E-bus/DALI-bus)
Current consumption power contacts	–
Current consumption E-bus	typ. 80 mA
Input voltage	24 V DC (-15%/+20%)
Insulation voltage	DALI-bus/E-bus: 1,500 V DC
DALI power supply	max. 250 mA (can be switched off)
Guaranteed output current	220 mA
Surge voltage resistance	constant load 275 V ACrms
Special features	2 digital inputs for simplified installation; TwinCAT library: TwinCAT PLC DALI
Weight	approx. 80 g
Operating temperature	-25…+60°C
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
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	labeling of the BZxxxx series
Wiring	solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-section	s: 0.08…2.5 mm², st: 0.08…2.5 mm², f*: 0.14…1.5 mm²
Connection cross-section AWG	s: AWG28…14, st: AWG28…14, f*: AWG26…16
Stripping length	8…9 mm
Current load power contacts	Imax: 10 A
Dimensions (W x H x D)	12 mm x 100 mm x 68 mm

EL6821: frequently asked questions

When can EL6821 be shipped?

EL6821 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 EL6821 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 EL6821 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 EL6821, subject to availability and destination.