Siemens SIMATIC S7-1200 Produktinformation Seite 21

The following is displayed for each F-I/O under "Fail-safe parameters":
• F-parameter signature (with addresses)
• Safety mode
• F-monitoring time
• F-source address
• F-destination address
The following additional menu command is displayed in the "Settings" menu under "Protection":
• Enable/disable F-password
Write access to F-blocks is not permitted.
Note
Controlling fail-safe inputs/outputs can result set the F-CPU to STOP.
Note
With the display firmware V2.5, the display is not refreshed and cannot be operated for a few minutes after loading program
changes. Afterwards, the display restarts.
Note
In the case of a redundant S7-1500HF system, the display of the "Last fail-safe change" in the display and web server is only
synchronized in the RUN-Redundant mode.
Web server
S7-1200/1500 F-CPUs show you the following on the start page of the Web server:
• Safety mode activated/deactivated
• Collective F-signature
• Last fail-safe change
• Version of STEP 7 Safety with which the safety program was compiled.
• Information on the F-runtime groups
–
Name of F-runtime group
–
Residual runtime in deactivated safety mode
–
F-runtime groups signature
–
Current cycle time
–
Max. cycle time
–
Current runtime
–
Max. runtime
The following is displayed for each F-I/O on the "Module Information" web page in the "Fail-safe" tab:
• F-parameter signature (with addresses)
• Safety mode
• F-monitoring time
• F-source address
• F-destination address
Write access to F-blocks is not permitted.
Note
Controlling fail-safe inputs/outputs can result set the F-CPU to STOP.
F-CPUs
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