Headquarters: SIKO GmbH Weihermattenweg 2 79256 Buchenbach Germany Phone+49 7661 394-0

I/O module IO20

with bus interface

Profile IO20:

  • IO module for evaluating digital sensors and controlling actuators
  • Output of system information of ETC5000

  • SIKONETZ5 interface

  • 8 digital inputs

  • 8 digital outputs

  • Easy mounting (top-hat rail)

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Mechanical data
FeatureTechnical dataAdditional information
Housing designsnap module housing top hat rail mounting
Weight~0.1 kg
Electrical data
FeatureTechnical dataAdditional information
Operating voltage24 V DC ±20 %

via bus plug connector

Current consumption~20 mA

without load

Digital inputs

8x opto-coupler inputs, PNP

24 V, threshold ~12 V - LED green

digital outputs8x high side driver, PNP ≤30 V, ≤350 mA per channel, short-circuit proof, reverse polarity protected
the total of all outputs must not exceed 2 A



bus addresses 0 ... 31 can be set via DIP switches

factory setting: address 1

Baud rate

can be set via dip switch

factory setting: 57.6 kBd

Type of connection

2x M8 plug connectors (A-coded)

4-pole, 1x socket, 1x pin

2x spring terminal

9-pole, 10-pole, 0.2 ... 0.75 mm²

Ambient conditions
FeatureTechnical dataAdditional information
Ambient temperature0 … 60 °C
Storage temperature-30 … 85 °C
Relative humidity condensation inadmissible
Protection categoryIP00 EN 60529
I/O module IO20
Pin assignment
+24 V DC3
Scope of delivery
  • IO20
  • Mounting instructions
Ordering table
Ordering key

IO20 - S3/09 - 8DI - 8DO