Image 10-8 Select unit
If this unit is already in use, the recipe unit procedure waits until the selected unit is available
again. If the conditions for allocation of the unit are not met, the recipe unit procedure waits
until the conditions are met and the unit is available. If more than one user attempts to make
a selection at the same time, the allocation goes to the first user. All other selected units are
ignored.
"Process parameter" strategy
As soon as the recipe step occupies a unit, the unit remains displayed and in use even if the
process parameter is subsequently changed to another unit.
The other unit is not displayed until after this unit has been released; that is, when the recipe
step has come to an end or has been aborted and reset.
Note
In a hierarchical recipe, make sure that no further changes are made to the process parameter
after the respective recipe unit has started. Otherwise, a unit that was not even used will be
displayed when the recipe unit is finished.
If, after the start of a batch, you want to subsequently change the unit, for example, change a
process parameter or restart the batch and also switch the allocated unit, then the most recently
allocated unit will be shown in neither the archive file (*.xml) nor in the batch report.
Additional information
"Select unit" dialog (Page 843)
BATCH Recipe Editor
10.4 Creating recipes
SIMATIC BATCH V8.2
Operating Manual, 02/2016, A5E35958174-AA 531
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