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The Holy Trinity of IO-Link Quality

The Holy Trinity of IO-Link Quality

In a world where nothing is certain and everything is constantly changing, there is one thing you can rely on:
If all three tests are passed, your device communicates reliably with the Master – worldwide.
No matter what happens, and that is not a given.

Protocol Test – Does your device even “speak” IO-Link?

The protocol test (device) is basically grammar class for tests. It’s all about clean communication: timing, data consistency, correct frame structure. One lost bit — and suddenly the device goes as silent as a teenager at family dinner. Pass the test, and your device speaks fluent IO-Link — punctuation included.

Physical Layer Test –
the backbone of it all

The Physical Layer Test reveals whether the device has backbone.
Not figuratively, but electrically.
Signal quality, interference immunity, cable lengths – this is where stable hardware separates from a nervous breakdown in the control cabinet.
In short: If it doesn’t pass here, no software update will help.

EMC Test –
the baptism of fire

And then comes the moment of truth: the EMC test (device) sends your device into the storm — electromagnetic fields, voltage spikes, and industrial reality. This is the final, but decisive step toward the official manufacturer’s declaration of conformity — your passport to the global market. Anyone who doesn’t pass gets to go back to the circuit diagram.
TEConcept IO-Link Development, Testing and Quality Control

We help ensure that the test is not a stumbling block, but a seal of quality.
Because: Anyone testing IO-Link should do so with a partner who not only tests – but understands why.

Any Questions?

Do you have questions about our products? Please feel free to contact us. The more detailed your inquiry, the better our team can assist you.

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