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Beckhoff EJ1128

EtherCAT plug-in module, 8-channel digital input, 3.3 V DC/5 V DC, 0.05 µs

MPN: EJ1128
Category: EJ1xxx | 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 EJ1128?

The EJ1128 EtherCAT plug-in module acquires the binary 3.3 V / 5 V control signals from the process level and transmits them, in an electrically isolated form, to the higher-level automation unit. The module contains eight channels which indicate their

Specifications

Number of inputs	8
Nominal voltage	3.3 V DC/5 V DC
“0” signal voltage	typ. 1.0 V/typ. 1.5 V
“1” signal voltage	typ. > 2.3 V/typ. > 3.5 V
Input current	typ. 50 µA
Input filter	typ. 1 µs
Distributed clocks	–
Current consumption E-bus	typ. 70 mA
Electrical isolation	500 V (E-bus/field potential)
Special features	fast CMOS input
Weight	approx. 30 g
Operating temperature	-25…+60°C
Storage temperature	-40…+85°C
Relative humidity	95%, no condensation
EMC immunity/emission	conforms to EN 61000-6-2/EN 61000-6-4
Vibration/shock resistance	conforms to EN 60068-2-6/EN 60068-2-27
Protect. rating/installation pos.	IP20/see documentation
Approvals/markings	CE
Design form	EtherCAT I/O plug-in module
Material	polycarbonate
Installation	on signal distribution board
Mechanical coding	EJ plug-in module: signal-specific coding pins on the housing, signal distribution board: holes in the printed circuit board
Position of the coding pins	2, 4
Locking	latching lug in circuit board cut-out
Connection method	field wiring: application-specific wiring level on the signal distribution board, EJ plug-in module: 2 x 20-pin socket strip
Dimensions (W x H x D)	12 mm x 66 mm x 55 mm

EJ1128: frequently asked questions

When can EJ1128 be shipped?

EJ1128 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 EJ1128 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 EJ1128 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 EJ1128, subject to availability and destination.