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VD (E3.1) 10/2020 page 116/179
Section view, showing the temperature tolerance
range
• Select the field “Tolerance band min” and enter the desired lower tolerance band value. Setting range:
-99999 to 99999. Confirm entry with Confirm icon. The controller returns to the section view.
• Select the field “Tolerance band max” and enter the desired upper tolerance band value. Setting
range: -99999 to 99999. Confirm entry with Confirm icon. The controller returns to the section view.
Set the tolerance ranges for other parameters accordingly, if desired.
If one of the actual values (temperature and/or pressure) is outside the program tolerance range the
whole program course is interrupted. During this program interruption time the controller equilibrates to
the set-points of the current section.
The screen header indicates “Program pause (tolerance band)”. The program runtime indication flashes
and does not proceed any further.
When the temperature or pressure values are back within the entered program tolerance range, the
program continues automatically.
16.7.6 Repeating one or several sections within a time program
You can repeat several subsequent sections together. It is not possible to define the start section the
same time also as the target section, therefore you cannot repeat a single individual section.
Enter the desired number of repetitions in the field “Number of repetitions” and the number of the section
to start the repetition cycle with in the field “Start section for repetition” To have sections repeated
infinitely, enter the number of repetitions as “-1”.
The selected sections are repeated as many times as selected. Then the program continues.
Section view, showing the repetition function
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