determine if the recipe has finished (correctly)

determine if the recipe has finished (correctly)

How can I determine if the recipe has completely been written to the PLC? And how do I know if this has been successfull?

The system driver offers several status variables for this purpose. For example, depending on the outcome of executing (writing) the recipe, the system driver variable "" will receive a value from 0 to 7. Value "1" for example, means recipe write successfull.
This variable exists both for the local PC, and globally for the all the PCs in the network. To evaluate this variable, you could use a reaction matrix, which can be linked at the limits of this system driver variable. An example for this reaction matrix is added here:

(unzip and import the .xml file under reaction matrix in the zenon editor)
There are two ways of executing a recipe. The property "write synchronously" defines whether the set-value list is just send to the driver (inactive) or if the feedback from the PLC for each variable in the recipe is evaluated (write synchronously active).
With a feedback for each single variable in the recipe, you can exactly determine when the recipe execution (write action) is finished and all values are in the PLC.

This is a migrated post! Originally posted on 28.07.2008 by user markclemens. Please be aware that information can be outdated.

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