Siemens SIMATIC S7-1500 System Manual page 159

Display of the CPU
①
Regarding : CPU status data
The following table shows the CPU status data that can be retrieved via the display.
Table 13- 1
Color and icons for the status
data
green
yellow
red
white
158
CPU status data
Meaning
•
•
STOP
ERROR
•
•
Protection level configured
Interrupt (at least one interrupt is active in the CPU)
Fault (at least one fault is active in the CPU)
Force table is active in the CPU
EMERGENCY OFF active (only for CPU 1516F-3 PN/DP and
CPU 1518F-4 PN/DP)
Fail-safe CPU (only for CPU 1516F-3 PN/DP and CPU 1518F-
4 PN/DP)
RUN
RUN with alarm
Connection establishment between CPU and display
Firmware update of the display
System Manual, 02/2014, A5E03461182-AB
S7-1500 Automation System