Siemens SIMATIC S7-1500 System Manual page 437

Display
13.1 CPU display
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
Green
Orange
Red
White
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Meaning
• RUN
• RUN-Syncup
• RUN-Redundant
• STARTUP
• SYNCUP
• STOP
• STOP - firmware update
FAULT
• Connection established between CPU and display.
Protection level configured.
• At least one alarm is active in the CPU.
• No SIMATIC Memory Card inserted in the CPU.
• No user program loaded.
Force job is active in the CPU.
F-capability activated. Safety mode active. The symbol is grayed out when safety mode is
deactivated.
Fail-safe CPU
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF