BTL C1 IO Link
The IO-Link interface allows for recording of conditions such as temperature, humidity and service life, which can be used for intelligent condition monitoring and predictive maintenance.
For more information you can refer to the Balluff Website
https://www.balluff.com/en-in/products/areas/A0001/groups/G0116/products/F01812?page=1&perPage=10&availableFirst=true