CPU display
Automation system
268
System Manual, 12/2017, A5E03461182-AE
Regarding
①
: CPU status information
The following table shows the CPU status information that can be retrieved via the display.
Table 13- 1 CPU status information
Color and icons for the status
data
Meaning
Green
RUN
Orange
•
STOP
•
STOP - firmware update
Red
FAULT
White
•
Connection established between CPU and display.
Protection level configured.
•
At least one interrupt is active in the CPU.
•
No SIMATIC memory card inserted in the CPU.
•
The serial number to which a know-how-protected block is
bound, does not match the serial number of the CPU or the
SIMATIC memory card.
•
No user program loaded.
Force job is active in the CPU.
F-capability activated. Safety operation active (for fail-safe CPUs)
The symbol is grayed out when safety mode is deactivated.
Fail-safe CPU (for fail-safe CPUs).
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