Siemens SIMATIC S7 Functional Safety Manual page 63

Result of programming
You have now finished creating the safety program according to the task definition of the
example. In this interactive graphic, you can become familiar with the functions you just
programmed.
Click the "Play" button to start the animation file and the control elements to operate the
example. You can switch the Laser Scanner, E Stop, or Safety Door on and off to simulate
an unsafe condition. However, you must press the "Acknowledge" button to notify the system
that you have returned to a safe state. Then, you can press the "Start" button to operate the
system again.
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
Getting started
2.3 Programming
63