Siemens SIMATIC S7-1500 Getting Started page 12

Automation task
1.2 Sample project
Starting the mixing process
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The "Start mixing process" button starts the mixer of the color mixing plant in the HMI
screen "Start screen".
The "LAD_Mixer" program block is called for this purpose at the CPU end. It activates
the mixer for three seconds.
The activation of the mixer is indicated by flashing in the HMI screen.
Getting Started, 05/2014, A5E03981761-AC
S7-1500