OPCUA32: writing a structure variable with a RGM recipe containing a larger amount of variables, causing two write requests for the structure, results in first variables being overwritten with the old" value"

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• FAQ: It seems that sometimes not all variables are correctly written to the PLC by the RGM module, although the system driver variable states that the recipe was written successfully and the option "write synchronously" is active. How can this be?

  When reading a RGM recipe immediately after writing a RGM recipe, with a driver that has the option "keep update list in memory" active, and recipe variables that have been read previously, it can happen that a read cycle is currently in progress, ...

• FAQ: When I activate the option "write synchronously" for the Recipegroup manager recipe, and I write the recipe, the recipe does not seem to be written properly and also the Service Engine does not close properly. Why is that?

  When the option "write synchronously" is active at a recipe, when writing a recipe (sending values to the PLC) for each recipe variable a writing confirmation is requested to the driver. On a successfull write, the driver sends a writing confirmation ...

• The OPCUA client driver stops sending service requests for a subscription when no variables are needed in the runtime and attempts to reuse the no longer existing subscription when a variable is needed again.

  Summary When momentarily no variables are used in the runtime from a connection in the OPCUA client driver, the OPCUA client driver no longer sends service requests for the subscribtion that was previously created for these variables. The OPCUA ...

• BeckhNG driver sometimes receives incorrect values under specific conditions when requesting many variables e.g. RGM recipe shadow variables

  Summary When the BeckhoffNG driver advises (enable in the driver) many variables and during this advise another set of variables is advised, the first advise is returned from the buffer in the driver before it was correctly updated. This resulted in ...

• Empty 'variable name' column in CEL for messages from RGM

  Summary The Recipe Group Manager, when writes a recipe, creates in the Chronological Event List entries where 'text' contains name of the recipe, new and old values of the variables and names of the variable. But the column 'variable name' of such ...