User Manual
en_BA_U500_UR18_Gen2_IO-Link.docx  2/43  Baumer Electric AG 
04.04.2019/    Frauenfeld, Switzerland 
Instruction Manual for Ultrasonic Sensor Family U500 & UR18 
with IO-Link 
Content 
1  Sensors covered by this manual ................................................................................................ 4 
2  IO-Link Introduction ..................................................................................................................... 4 
2.1  SIO / Di Mode Mode ....................................................................................................................... 4 
2.2  IO-Link Communication Mode ........................................................................................................ 5 
2.2.1  Cyclic data ...................................................................................................................................... 5 
2.2.2  Acyclic data ..................................................................................................................................... 5 
2.3  IO-Link Device Description (IODD)................................................................................................. 5 
2.4  Off-Line Parametrization ................................................................................................................. 6 
2.5  Adjustable switching sensor (AdSS) .............................................................................................. 6 
3  Sensor in the IO-Link Communication Mode ............................................................................. 7 
3.1  Signal Path ..................................................................................................................................... 7 
3.2  Process Data .................................................................................................................................. 8 
3.2.1  Process Data-In .............................................................................................................................. 8 
3.2.2  Process Data-Out ........................................................................................................................... 9 
4  Parameter .................................................................................................................................... 10 
4.1  System Commands ...................................................................................................................... 10 
4.2  Measurement Data Channel (MDC) ............................................................................................. 10 
4.2.1  Measurement Value Distance ....................................................................................................... 10 
4.2.2  Switch Counts ............................................................................................................................... 10 
4.2.3  MDC Source ................................................................................................................................. 11 
4.2.4  MDC Unit Code............................................................................................................................. 11 
4.2.5  MDC Setpoint limit ........................................................................................................................ 11 
4.3  Switching Signal Channel (SSC) .................................................................................................. 12 
4.3.1  Setpoints SP ................................................................................................................................. 12 
4.3.2  SSC Configuration ........................................................................................................................ 14 
4.3.3  Timefilter ....................................................................................................................................... 18 
4.3.4  Counter / SSC4............................................................................................................................. 22 
4.4  Signal Processing ......................................................................................................................... 24 
4.4.1  Moving Average Filter ................................................................................................................... 24 
4.4.2  Sonic Cone Adjustment ................................................................................................................ 25 
4.4.3  Disruption Filter............................................................................................................................. 25 
4.5  Quality Parameters ....................................................................................................................... 26 
4.6  Temperature Settings ................................................................................................................... 26 
4.7  Output Settings ............................................................................................................................. 27 
4.7.1  Switching Output........................................................................................................................... 27 
4.7.2  Analog Output ............................................................................................................................... 28 
4.7.3  Input Mode of Pin 5 ...................................................................................................................... 29 
4.8  Local User Interface ..................................................................................................................... 31 
4.8.1  Indication LEDs............................................................................................................................. 31 
4.8.2  Teach Mode (Local, by wire) ......................................................................................................... 32 
4.8.3  qTeach Lock .................................................................................................................................. 33 
5  Teach Commands ....................................................................................................................... 33 
5.1  Teach Channel Selection & Teach Status..................................................................................... 34 
5.2  Static ............................................................................................................................................. 34 










