Discover io-key®
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.
Configure io-key nowBasics & 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.
Learn more about io-key
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
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-keyio-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.









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.
Go to the IIoT use cases
- 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





