3Festo — SDAS-MHS — 2018-06
1 About this document................................................................................................... 5
1.1 Further applicable documents...................................................................................... 5
2 Safety........................................................................................................................... 5
2.1 Intended use................................................................................................................ 5
2.2 General safety instructions........................................................................................... 5
2.3 Area of application and approval.................................................................................. 5
2.4 Training of qualified personnel..................................................................................... 5
3 Product overview......................................................................................................... 6
3.1 Design........................................................................................................................... 6
3.2 Characteristics.............................................................................................................. 7
4 Function........................................................................................................................7
4.1 Cylinder switch operating mode................................................................................... 8
4.1.1 Cylinder switch function..........................................................................................9
4.2 Position transmitter operating mode (IO-Link).............................................................. 10
4.2.1 Cylinder switch function..........................................................................................11
4.2.2 Window comparator................................................................................................12
4.2.3 Hysteresis comparator............................................................................................13
4.2.4 Switching logic, normally open (NO) and normally closed (NC)...............................14
4.3 Additional information on the operating modes........................................................... 14
5 Installation.................................................................................................................. 16
5.1 Electrical installation.................................................................................................... 16
5.2 Mechanical installation................................................................................................. 17
6 Commissioning............................................................................................................ 17
6.1 Cylinder switch operating mode................................................................................... 18
6.1.1 Activating set-up mode...........................................................................................18
6.1.2 Set switching points................................................................................................19
6.1.3 Changing the configuration of the switching outputs..............................................19
6.1.4 Menu structure....................................................................................................... 20
6.2 Position transmitter operating mode............................................................................ 21
7 Operation..................................................................................................................... 21
7.1 Cylinder switch operating mode................................................................................... 21
7.1.1 LED display............................................................................................................. 22
7.1.2 Reset to factory setting...........................................................................................22
7.2 Position transmitter operating mode............................................................................ 22
7.2.1 LED display............................................................................................................. 22
7.2.2 Reset to factory setting...........................................................................................23
8 Fault clearance............................................................................................................ 23
8.1 Diagnostics via LED...................................................................................................... 23
8.2 General malfunctions................................................................................................... 24
9 Disassembly................................................................................................................ 24
Table of contents