Table of contents
4 © SICK AG • Subject to change without notice • 8014865/ZUJ3/2018-11-29
7 Commissioning ................................................................................ 23
7.1 Ultrasonic sensors with switching outputs ............................ 23
7.1.1 Teach-in the switching point – method A .............. 23
7.1.2 Teach-in the switching point – method B .............. 23
7.1.3 Teach-in the window ............................................... 24
7.1.4 Teach-in the background ........................................ 24
7.1.5 Conguring as normally open or normally closed . 25
7.2 Ultrasonic sensors with an analog output ............................ 25
7.2.1 Conguring the scaling of the analog output ....... 25
7.2.2 Conguring the rising or falling output
characteristic curve ................................................ 26
7.3 Additional settings for all sensor models .............................. 26
7.3.1 Switching between teach-in and synchronization/
multiplex mode ....................................................... 26
7.3.2 Resetting the settings to the factory setting ......... 27
7.4 Temperature compensation ................................................... 28
7.5 Measured value lter .............................................................. 29
8 IO-Link interface .............................................................................. 32
8.1 Physical layer .......................................................................... 32
8.2 Process data ........................................................................... 33
8.3 Service data ............................................................................ 33
8.3.1 IO-Link-specic ........................................................ 33
8.3.2 SICK-specic UM18-21712A21_ .......................... 34
8.3.3 SICK-specic UM18-21712A21_ .......................... 35
8.3.4 SICK-specic UM18-21212A21_ .......................... 36
8.3.5 SICK-specic UM18-21812A21_ .......................... 37
8.4 Error Codes ............................................................................. 38
9 Cleaning and maintenance ............................................................. 39
9.1 Cleaning .................................................................................. 39
9.2 Maintenance ........................................................................... 39
10 Troubleshooting ............................................................................... 40
10.1 Possible fault indicators ......................................................... 40
10.2 Disposal ................................................................................... 40