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Beckhoff EL5021

EtherCAT Terminal, 1-channel encoder interface, SinCos, 1 VPP

MPN: EL5021
Category: EL5xxx | Position measurement

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What is the Beckhoff EL5021?

The EL5021 EtherCAT Terminal is used for the direct connection of a measuring probe or encoder with sinusoidal, differential voltage output 1 VPP. Input frequencies of max. 250 kHz can be evaluated. The current counter reading can be zeroed (reset) or

Specifications

Technology	SinCos encoder interface for differential 1 VPP signal
Number of channels	1
Encoder connection	1 x A, B, C: differential inputs 1 Vpp: A, A̅ (inv), B, B̅ (inv), C,C̅ (inv)
Encoder operating voltage	5 V DC/max. 0.5 A (generated from the 24 V DC power contacts)
Counter	max. 24 bit (adjustable)
Input frequency	250 kHz @ 10 bit (sampling rate 70 MHz)
Distributed clocks	yes
Nominal voltage	24 V DC at power contact
Resolution	max. 13 bit, 8192 steps per period
Current consumption power contacts	typ. 50 mA + load
Current consumption E-bus	typ. 120 mA
Electrical isolation	500 V (E-bus/field potential)
Special features	latch, reset, change counting direction, amplitude and frequency error recognition, frequency-dependent period resolution, frequency counter max. 24 bit
Weight	approx. 55 g
Operating temperature	0…55°C
Storage temperature	-25…+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
Pluggable wiring	for all ESxxxx terminals
Approvals/markings	CE, CCC, UL, ATEX, IECEx
Ex marking	ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc
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

EL5021: frequently asked questions

When can EL5021 be shipped?

EL5021 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 EL5021 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 EL5021 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 EL5021, subject to availability and destination.