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April 3, 2024 at 9:46 am in reply to: CurData and EventData with a difference of about 2 seconds #14324
MikhailModeratorIs it possible to reproduce the problem?
MikhailModeratorHello,
The existing OPC DA driver (DrvOpcClassic.dll) does not support the OPC XML DA standard.
In my opinion, OPC XML DA is a transition standard between OPC DA and OPC UA, so the standard too rare to implement its support.
April 2, 2024 at 12:14 pm in reply to: CurData and EventData with a difference of about 2 seconds #14320
MikhailModeratorA timestamp of the event is set by the Server service when the event is created.
A timestamp of the data point may be changed according to the archive writing period. It depends on the archive properties.
MikhailModeratorHello,
Channel 46804 is not needed.
In the channel 46805 the output formula is justSetData()
The above should work, see https://ibb.co/KqvK15r
MikhailModerator> migrate all the *.dat files (in v6 format already) into Postgresql database
Currently, there is no ready to use converter. 2 approaches come to my mind:
1. We can develop a converter by a contract.
2. Deploy an additional instance of Rapid SCADA and use Rapid Gate module to transfer data from the additional instance to the main instance of Rapid SCADA.
MikhailModeratorHi,
> decided to use PostgreSql as only one achieve as main achieve
It’s up to you. However, why don’t you use *.dat format as a secondary to make the system more reliable?
MikhailModeratorHi,
Could you draw a simple diagram that shows the architecture of your system?
MikhailModerator2) In Elastic Report, use SelectArchive and/or DefaultArchive
3) Yes. Activate archives that are in use.
MikhailModeratorHi,
1) Create a copy of ChartPro.xml, for example, PlgChartPro_Profile2.xml
Add a new line into ChartPro_Config.xml<Profile fileName="PlgChartPro_Profile2.xml">Profile 2</Profile>
MikhailModeratorHello,
To allow a user setting a channel value, create a channel of the Calculated/Output type, and set it’s output formula toSetData()
DynamicText will show the current value of the channel.
MikhailModeratorHi,
> Those .dat files from v5 I used the converter to convert to v6 .dat files format, can be trend by modArcBasic only, right?
Yes.> what should I do after I set ModArcPostgreSql as my main achieve and still can trend back those converted historical data previously from v5?
Using Chart Pro, you can create a chart profile to open data from *.dat archive. Reports also support choosing an archive.
However, may be in your case it is better to use PostgreSQL as a secondary archive.
MikhailModeratorThat’s good! Thank you for the info.
MikhailModeratorHi,
Google Cloud, Microsoft Azure, AWS, Digital Ocean and many others.
You need a Linux-based virtual machine.Deployment profile will help to control your Rapid SCADA instance remotely.
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