SCALANCE XR-500 
Operating Instructions, 05/2017, A5E03275845-11 
9 
 
Note the following safety notices. These relate to the entire working life of the device. 
You should also read the safety notices relating to handling in the individual sections, 
particularly in the sections "Installation" and "Connecting up". 
 
Restricted use of the device 
Devices of the SCALANCE XR-500 product line must not be put into operation in nuclear 
power plants or other nuclear facilities. 
 
Maximum ambient temperature 
Note that some factors influence the maximum permitted ambient temperature, refer to the 
sections "Permitted ambient temperature (Page 19)", "Safety notices for installation 
(Page 37)", "Desktop operation with adhesive feet (Page 43)" and "Technical data 
(Page 83)". 
 
Suitable installation location 
The installation location of a device of the SCALANCE XR-500 product line must be 
selected so that only qualified service personnel or trained users have access to it. 
Operation of a device of the SCALANCE XR-500 product line is permitted only when these 
requirements are met.