Beckhoff EL28 Series, Documentation

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Product overview
EL28xx-xxxx 21 Version: 2.2
2.2.2 Technical data
Technical data EL2828
Connection technology 2 wire
digital outputs 8
Rated load voltage 24 V
DC
(-15% / +20%)
Load type ohmic, inductive, lamp load
Max. output current 2 A ( ∑ 10 A)
Short circuit current < 40 A typ.
Reverse voltage protection yes
Breaking energy < 1.2 J/channel
Current consumption of power contacts typ. 15 mA + load
Current consumption from the E-bus typ. 110 mA
Electrical isolation 500 V (E-bus/field voltage)
Bit width in process image 8 output bits
Configuration no address or configuration settings required
Conductor types solid wire, stranded wire and ferrule
Conductor connection solid wire conductors: direct plug-in technique; stranded wire
conductors and ferrules: spring actuation by screwdriver
Rated cross-section solid wire: 0.08…1.5 mm²; stranded wire: 0.25...1.5 mm²; ferrule:
0.14…0.75 mm²
Weight approx. 65 g
Permissible ambient temperature range
during operation -25 °C to +60 °C (extended temperature range)
Permissible ambient temperature range
during storage -40 °C ... +85 °C
Permissible relative humidity 95%, no condensation
Dimensions (W x H x D) approx. 15 mm x 100 mm x 70 mm (connected width: 12 mm)
Installation [
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on 35 mm mounting rail according to EN 60715
Vibration / shock resistance conforms to EN 60068-2-6 / EN 60068-2-27,
see also
installation instructions for enhanced mechanical load
capacity [
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EMC immunity/emission conforms to EN 61000-6-2 / EN 61000-6-4
Protection class IP20
Installation position variable
Approval CE
cULus [
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