About jm

jm · ‎2020-01-23

yes I know its not a new feature, that is the problem. In our original developed program we put a ddt at address %mw1000 for example. the first word is at %mw1000, the second thing in there is a real and is placed automatically at %mw1002. If you put your plc in simulation mode it will put the word at %mw1000 and the real at %mw1001 For testing a program in simulation mode the plc re positions reals that are in DDTs to be able to start on odd addresses without error. I see this as a huge flaw with the simulator mode, it should act identically to regular operation in terms of memory allocation.

jm · ‎2020-01-23

The reason was due to unity shuffling memory addresses when it is in simulation mode

jm · ‎2020-01-23

For some reason the internal variables were not updating when the corresponding external variable to a DFB was being changed. It appears the function block is not being scanned every cycle, or at least the data is not updating every cycle. I have an M580, Unity pro 13.1. Anyone have any suggestions???

jm · ‎2020-01-15

I have a situation where my program is storing real variables with the starting word is an odd %mw for example %mw1553. My version of the program from a week ago the same real in the same structure was at %mw1554. There is not change to the structure, no new variables added or removed. I was under the impression that all real data types need to start at even address. Can anyone help me find what setting I may have changed or what may have happened here. We are running unity 13.1, and ran an update recently. All I can recall settings wise that has been changed is increasing memory size from 5000 to 7000 and "allowin dynamic arrays". This is an M580 2040

jm · ‎2019-12-04

How do you import tags from unity pro(Ecostruxure) to citect? The only thing I have found is to address all tags manually, which seems excessive for two products under Schneider.

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Date Last Visited	‎2020-01-23 11:31 PM

About jm

Re: Unity storing reals on odd addresses. All of my addresses have shifted in a recent rebuild.

Re: Unity storing reals on odd addresses. All of my addresses have shifted in a recent rebuild.

Function block not scanning all the time.

Unity storing reals on odd addresses. All of my addresses have shifted in a recent rebuild.

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