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MikhailModeratorYou need to apply #4508
I did not understand, why I dont need formula for channel 434
Because if you get only 1 bit in the channel 434, you can’t reference 434 to calculate bits for other channels.
MikhailModeratorThanks!
MikhailModeratorIn the above screenshot the method Group.Write is shown. It uses the Wrive method of a subscription. Can you navigate to Subscription.Write and check what is going there?
MikhailModeratorCool!
May I ask you about the forum, do you receive notifications when I answer in the topic? Do they work well?
MikhailModeratorin Calculate Discrete – GetBit(Val(434),x)
Yes. This is very important.
MikhailModeratorFix channel 434:
– No formula needed.
– Type is Real, because the channel contains a bit mask, not just one bit.Fix other channels:
– No Signal field needed.
MikhailModeratorThank you for the images.
You need to open the Units table in Administrator. And create a new row with a new unit. Do at as written above. Then set the new unit for your input channel.
MikhailModeratorThe description is detailed. Could you add some images explaining the issue?
I already read old forum posts dating back to 2015 on this subject
Please provide the link.
I’m sure that it’s possible to solve this issue with help of formulas of the configuration database. However, I hope to find out the cause and fix if possible.
MikhailModeratorInput channels, units that are related to the issue.
MikhailModeratorThank you for updating the status.
If you share more info about your research, it would be interesting.
MikhailModeratorHi,
We can connect by Skype to find the solution together. If you OK with it, write me to info@…
MikhailModeratorHi,
Could you provide a screenshot of the Excel and PDF reports where the difference is visible?
MikhailModeratorSee my previous message.
MikhailModeratorHi,
Did you watch this video and subsequent?
MikhailModeratorI am sure that I can write with this method: IOPCSyncIO::Write
To do this, the OPC driver have to be redesigned using another OPC client library.
This is possible. However, I suppose that it would be much cheaper if the OPC server developer supports WriteVQT.What communication protocol do you use?
Are there alternative OPC servers?
Can you find OPC UA server? OPC UA .NET API is officially free. -
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