Distributed I/O system
6 System Manual, 02/2018, A5E31861578-AF
Preface ................................................................................................................................................... 3
1 Documentation guide .............................................................................................................................. 8
2 System overview ................................................................................................................................... 12
2.1 What is the SIMATIC ET 200AL distributed I/O system? ...................................................... 12
2.2 Components ........................................................................................................................... 15
3 Application planning .............................................................................................................................. 16
3.1 Hardware configuration .......................................................................................................... 16
3.2 Configuration variants with ET-Connection ........................................................................... 18
3.2.1 ET 200AL with ET-Connection ............................................................................................... 18
3.2.2 Hybrid configuration ET 200AL/ET 200SP with ET-Connection ............................................ 20
4 Mounting ............................................................................................................................................... 23
4.1 Basics ..................................................................................................................................... 23
4.2 Mounting modules .................................................................................................................. 24
5 Connecting ........................................................................................................................................... 28
5.1 Rules and regulations for operation ....................................................................................... 28
5.2 Operation of the ET 200AL on grounded/non-grounded infeed ............................................ 30
5.3 Electrical configuration of the ET 200AL ................................................................................ 33
5.4 Connecting ET 200AL to functional earth .............................................................................. 36
5.4.1 Mounting ET 200AL modules on conductive substrate ......................................................... 36
5.4.2 Mounting ET 200AL modules on non-conductive substrate .................................................. 37
5.5 Connecting cables for ET 200AL ........................................................................................... 39
5.6 Wiring ..................................................................................................................................... 40
5.7 ET 200AL marking ................................................................................................................. 44
5.7.1 Factory markings.................................................................................................................... 44
5.7.2 Optional markings .................................................................................................................. 45
5.7.3 Mounting identification labels ................................................................................................. 45
6 Configuring ........................................................................................................................................... 47
7 Configuration control (option handling) .................................................................................................. 51
7.1 Configuration control .............................................................................................................. 51
7.2 Configuring ............................................................................................................................. 54
7.3 Creating the control data record ............................................................................................ 56
7.3.1 Introduction ............................................................................................................................ 56
7.3.2 Control data record for the ET 200AL distributed I/O system ................................................ 58
7.3.3 Feedback data record at the ET200AL distributed I/O system .............................................. 60
7.3.4 Example of a configuration control......................................................................................... 61