Flow monitoring, for connecting flow sensors of the FCS and FCI series, IO-Link device with current and transistor outputs, operating voltage 20.30 VDC, analog output for flow, transistor switching outputs for temperature and errors, teaching of upper and lower flow limits, segment LED band for displaying flow velocity and media temperature, monitoring of the working and display range, sensor-side wire break and short circuit detection, operation optionally in standard IO or IO-Link mode, parameterization via touch button and software-supported via IO-Link