Get to know io-key®

io-key is your simple connection between IO-Link sensors and the cloud – no PLC, no IT infrastructure. Discover how io-key works, which applications it enables, and which services are available to you.

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Basics & how it works

io-key connects IO-Link sensors directly to the cloud – no PLC, no programming. Learn how easy io-key is to set up, how data transmission works, and why it’s an ideal solution for retrofits and new applications.

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Versatile applications with IO-Link sensors

Dank der riesigen Auswahl an IO-Link Sensoren lassen sich mit dem io-key unzählige industrielle Applikationen realisieren – von der Füllstandsmessung über Temperaturkontrolle bis hin zur condition based maintenance. Erfahren Sie auf der offiziellen IO-Link Website mehr über die Vorteile der IO-Link Technologie und ihren Einsatzmöglichkeiten.

Browse our IO-Link sensors
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Inspiration from practice

From machine retrofits to mobile monitoring in the field: io-key is already in widespread use. Here you’ll find concrete examples and customer stories.

Customer applications with io-key
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White‑label success with io-key

Find out how SMC uses io-key as a customised IoT solution in its own branding – flexible, scalable and with no development effort.

To the SMC customer project
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Retrofit made easy

The customer project with FRIMA shows how existing machines can be made cloud‑ready simply and efficiently with io-key.

To the FRIMA customer project
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Sensing by candlelight

Jaspers uses io-key to keep sensitive candle production processes under control – simple, precise and cloud‑based.

To the Jaspers customer story

io-key® Partner: Cross-industry expertise

Together with our partners, we combine cutting‑edge connectivity, cloud, IoT and automation technologies – for seamless solutions and measurable added value in every industry.

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Exciting use cases

Experience practical application examples from different industries. Our use cases show how easily sensor data can be sent to the cloud with io-key and used to optimise processes.

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Our IIoT team is here to help!
  • Everything from a single source – sensors, connectivity, software & service
  • Support right up to a working application – remotely and on site
  • No upfront costs – instead of high initial investments, only a project‑based purchase commitment
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