Siemens SIMATIC S7-1500R/H Getting Started page 46

Change manual mode speed and direction of rotation of the fans
By double-clicking on a symbol for a motor, you access the automatic / manual operating
mode for the fan in the corresponding tunnel section.
In the example, the following was set for tunnel section 2:
● Manual operation for the fan
● Low speed (slow)
● Clockwise
The fan blows at slow speed in clockwise direction.
Figure 3-8
S7-1500R/H redundant system
Getting Started, 10/2018, A5E44910930-AA
HMI screen manual mode fan speed and direction of rotation
Programming
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