Siemens SIMATIC S7-1500 System Manual page 436

Operating temperature for the display
To increase the service life of the display, the display switches off when the permitted
operating temperature is exceeded. When the display has cooled down again, it switches
back on automatically. When the display is switched off, the LEDs continue to show the status
of the CPUs.
You can find more information on display temperatures in the technical specifications in the
CPU manuals.
Note
The R/H-CPUs have no internal temperature measurement. Reading out the internal
temperature of the R/H-CPUs is not supported.
Display
The following figures show an example of a large display (left: for example CPU 1517H-3 PN)
and small display (right: CPU 1513R-1 PN) of a CPU.
① CPU status information
② Names of the menus
③ Data display field
④ Navigation aid, e.g. OK/ESC or the page number
Figure 13-1
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
Example views of the displays
Display
13.1 CPU display
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