
IO-Link I/O modules
6System Manual, 10/2020, A5E48755395-AA
Table of contents
Preface................................................................................................................................................... 3
1 ET 200AL IO-Link I/O modules Documentation Guide ........................................................................... 8
2 System overview ................................................................................................................................. 11
2.1 System overview ............................................................................................................... 11
2.2 What are ET 200AL IO-Link I/O modules? ............................................................................ 12
2.3 Components...................................................................................................................... 14
3 Application planning ........................................................................................................................... 15
3.1 Hardware configuration..................................................................................................... 15
3.2 Configuration of IO-Link I/O modules ................................................................................. 15
4 Mounting ............................................................................................................................................. 18
4.1 Basics ................................................................................................................................ 18
4.2 Mounting modules ............................................................................................................ 19
5 Connecting .......................................................................................................................................... 24
5.1 Rules and regulations for operation.................................................................................... 24
5.2 Operation of the IO-Link I/O modules on a grounded/ungrounded infeed............................ 26
5.3 Electrical configuration of the IO-Link I/O modules ............................................................. 32
5.4 Connecting IO-Link I/O modules to functional ground......................................................... 33
5.4.1 Mounting IO-Link I/O modules on a conductive surface....................................................... 34
5.4.2 Mounting IO-Link I/O modules on a non-conductive surface ............................................... 35
5.5 Wiring ............................................................................................................................... 37
5.6 Marking of IO-Link I/O modules .......................................................................................... 41
5.6.1 Factory markings ............................................................................................................... 41
5.6.2 Optional markings ............................................................................................................. 42
5.6.3 Mounting identification labels............................................................................................ 43
6 Configuring.......................................................................................................................................... 44
6.1 Requirements .................................................................................................................... 44
6.2 IODD and Port Configuration Tool - S7-PCT ......................................................................... 44
7 Commissioning .................................................................................................................................... 47
7.1 Startup of the IO-Link I/O module....................................................................................... 47
8 Maintenance........................................................................................................................................ 48
8.1 Replacing modules............................................................................................................. 48
8.2 Firmware update ............................................................................................................... 50
8.3 Resetting a module............................................................................................................ 51