Siemens SIMATIC S7-1500R/H Getting Started page 43

Programming
Adjustable limits and parameters in the HMI screen
You can use the HMI screen to change the following limit values during user program
runtime:
● The limit values for air pollution (carbon monoxide and turbidity) in the tunnel sections
● The light intensity limit value for the outdoor light sensors at the tunnel
You can use the HMI screen to change the following limit values in manual operation:
● Switch the fans in the tunnel sections to stop / slow / fast
● Change the clockwise / anticlockwise direction of rotation of the fans in the tunnel
sections
● Change the light intensity for the dimmer control of the lighting in the tunnel
● The lamps in the tunnel individually control day, twilight or night mode with different light
intensities
● For test purposes, set the values for the outdoor light, air quality and turbidity sensors
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S7-1500R/H redundant system
Getting Started, 10/2018, A5E44910930-AA