Getting started
2.3 Programming
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
59
Parameter assignment of the "ACK_GL" instruction
Acknowledgement for reintegration
Step 11: Programming of the main safety block
In this step, you program the main safety block for this example.
Click the "Play" button to start the animation file. Click the other control elements to rewind,
pause, go back, or go forward.
1. Double-click in the project navigation to open the main safety block "Main_Safety".
2. Use drag-and-drop to insert the F-FB "Safety_Interlock" in Network 1 of the main safety
block.
3. Click "OK" to confirm the "Call options" dialog.
The F-FB "Safety_Interlock" will now be called cyclically by the main safety block.
You have now programmed the functionality according to the task definition of the example.
You can now proceed with the next steps to compile the safety program, assign device
names, and download the safety program along with the hardware configuration to the fail-
safe CPU.
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