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Beckhoff Automation s.r.o.

Sochorova 23
61600 Brno, Česká republika

+420 511 189-250

IE2021 | Extension Box, 8-channel digital output, 24 V DC, 2 A, M8

IE2021, M8, screw type

IE2021, M8, screw type

IP-Link interface
M8 I/O connection sockets
Signal status display
Labeling areas
Power supply status display:
Box supply (US)
Auxiliary voltage (UP)
Power supply feed
Power supply downstream
1 | +24 V DC US
3 | GND
4 | Output
1 | +24 V DC US
2 | +24 V DC UP
3 | GND
4 | GND
Top view 
I/O connection 
Connector assignment 
IE2021, M8, screw type

IE2021, M8, screw type

The IE2021 digital output module connects the binary control signals from the automation unit on to the actuators at the process level. The eight outputs handle load currents of up to 2 A each, although the total current is limited to 4 A. This makes this module particularly suitable for applications in which not all of the outputs are active at the same time, or in which not all of the actuators draw 2 A signal current.

The signal state is indicated by means of light emitting diodes. The signals are connected via M8 screw type connectors.

The outputs are short-circuit-proof and protected against inverse connection.

Product status:

regular delivery

Product information

Technical dataIE2021
Number of outputs8
Output connectionsM8, screw type
Load typeohmic, inductive, lamp load
Nominal output voltage24 V DC (-15%/+20%)
Max. output current2 A per channel, individually short-circuit proof, ∑ 4 A
Short-circuit currentmax. 4 A
Auxiliary power currenttyp. 30 mA per channel
Current consumption from US (without sensor current)25 mA
Power supply connectionfeed: 1 x M8 male socket, 4-pin, a-coded; downstream connection: 1 x M8 female socket, 4-pin, a-coded
Bit width in the process image8 outputs
Electrical isolationchannels/control voltage: no, between the channels: no, control voltage/fieldbus: yes, via IP-Link
Operating/storage temperature0…+55°C/-25…+85°C
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.IP65/66/67 (conforms to EN 60529)/variable
Approvals/markingsCE, UL
Housing dataExtension Box
Dimensions (W x H x D)30 mm x 126 mm x 26.5 mm
MaterialPA6 (polyamide)
Installation2 fixing holes 3.5 mm diameter for M3

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