Siemens SIMATIC ET 200SP System Manual page 95

Applying color identification labels
Press color identification labels into the terminal box of the BaseUnit.
Note
To remove the color identification labels, you must first disconnect the wiring on the
BaseUnit and then carefully lever the color identification labels out of the holder using a
screwdriver.
①
②
③
④
⑤
Figure 5-32
NOTICE
AUX bus as PE bar
If you use an AUX bus as a protective conductor (PE), attach the yellow-green color
identification labels to the AUX terminals.
If you stop using the AUX terminals as a protective conductor bar, remove the yellow-green
color identification labels and make sure that the system is still protected.
Distributed I/O system
System Manual, 12/2015, A5E03576849-AF
Module-specific color identification labels (15 mm) for the process terminals (see I/O module
(http://support.automation.siemens.com/WW/view/en/55679691/133300) Manual)
Color identification labels (15 mm) for the 10 AUX terminals
Color identification labels (15 mm) for the 10 add-on terminals
Color identification labels (20 mm) for the 4 AUX terminals
Color identification labels (20 mm) for the 2 AUX terminals
Applying color identification labels
Wiring
5.11 Labeling ET 200SP
95