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Beckhoff ELX5151

EtherCAT Terminal, 1-channel encoder interface, incremental, NAMUR, Ex i

MPN: ELX5151
Category: EL5xxx | Position measurement

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12-month warranty (new) · 3-month (used/refurbished)
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What is the Beckhoff ELX5151?

The ELX5151 EtherCAT Terminal allows the direct connection of an intrinsically safe incremental encoder from zone 0/20 and 1/21 hazardous areas. The terminal supplies the encoder with 8.2 V DC and evaluates a diagnostic-capable NAMUR signal according to

Specifications

Technology	incremental encoder interface NAMUR
Specification	IEC 60947-5-6
Number of channels	1
Sensor inputs	1
Encoder connection	A, B
Encoder operating voltage	8.2 V DC
Open circuit voltage	typ. 8.2 V DC
“0” signal current	≤ 1.2 mA
“1” signal current	≥ 2.1 mA
Switching hysteresis	0.2 mA
Short-circuit current	typ. 9 mA
Fault detection	I ≤ 200 µA (cable break), I ≥ 6.0 mA (short circuit)
Supply voltage electronics	24 V DC (via power contacts), ELX9560 power supply
Distributed clocks	yes
Current consumption power contacts	typ. 15 mA + load
Current consumption E-bus	typ. 80 mA
Special features	up/down counters
Weight	approx. 60 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/see documentation
Approvals/markings	CE, UL, ATEX, IECEx, cFMus, CCC
Ex marking	ATEX: II 3(1)G Ex ec [ia Ga] IIC T4 Gc II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I IECEx: Ex ec [ia Ga] IIC T4 Gc [Ex ia Da] IIIC [Ex ia Ma] I cFMus: AIS Class I, II, III, Division 1, Groups A thru G Class I, Division 2, Groups A, B, C, D Class I, Zone 2, AEx ec [ia Ga] IIC T4 Gc [AEx ia Da] IIIC T4
Design form	compact terminal housing with signal LEDs
Material	polycarbonate, blue
Dimensions (W x H x D)	12 mm x 100 mm x 68 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	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
Power contacts	2 blade/spring contacts

ELX5151: frequently asked questions

When can ELX5151 be shipped?

ELX5151 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 ELX5151 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 ELX5151 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 ELX5151, subject to availability and destination.