Siemens SIMATIC S7-1500 Function Manual page 39

②
Meaning of the symbols relating to the module status of the PROFINET devices
Table 3- 4
Symbol
?
!
Reference
You can find additional information on the "Report system error" in the online help for
STEP 7 V12. Keyword: "System diagnostics".
Web server
Function Manual, 01/2013, A5E03484625-01
Meaning of the symbols relating to the module status of the PROFINET devices
Color Meaning
green Component is OK.
gray Deactivated PROFIBUS slaves or PROFINET devices
black State cannot be determined
For example, "Status cannot be determined" is always displayed while the

CPU is in STOP mode, or during startup evaluation of "Report system
error" for all configured I/O modules and I/O systems after a CPU restart.
However, this status can also be displayed temporarily during operation if a

diagnostic interrupt burst occurs at all modules.
It is not possible to determine the status of modules on a subsystem that is

connected to a CP.
red Component failed or is not reachable
"Not reachable" is displayed for e.g. a module that has been removed or a

module that has been configured but does not exist.
green Maintenance required (Maintenance Required)
yellow Maintenance demanded (Maintenance Demanded)
red Error - component faulty or not available due to an incorrect type.
- A module in a lower module level does not have the status "Component OK".
Websites
3.7 Topology
39