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Beckhoff EL1144

EtherCAT Terminal, 4-channel digital input, 12 V DC, 10 µs

MPN: EL1144
Category: EL1xxx | Digital input

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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the Beckhoff EL1144?

The EL1144 digital input terminal acquires the binary 12 V control signals from the process level and transmits them, in an electrically isolated form, to the higher-level automation unit. The EtherCAT Terminal has four channels that indicate their

Specifications

Connection technology	2-/3-wire
Number of inputs	4
Nominal voltage	12 V DC
“0” signal voltage	2.4 V
“1” signal voltage	> 8.5 V
Input current	typ. 3 mA
Input filter	typ. 10 µs
Distributed clocks	–
Current consumption power contacts	typ. 14 mA + load
Current consumption E-bus	typ. 90 mA
Electrical isolation	500 V (E-bus/field potential)
Configuration	no address or configuration setting
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

EL1144: frequently asked questions

When can EL1144 be shipped?

EL1144 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 EL1144 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 EL1144 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 EL1144, subject to availability and destination.