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KB-28296: Maximum amount of Historic fields when using Access DB.

25 de março de 2019Elipse SoftwareDeixe um comentário on KB-28296: Maximum amount of Historic fields when using Access DB.

Question: What is the maximum amount of Historic fields when using Access DB? Solution: You can use up to 127 fields: for each field created in the Historic, another one…

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KB-36336: Periodic data discard from a Historic’s table.

25 de março de 2019Elipse SoftwareDeixe um comentário on KB-36336: Periodic data discard from a Historic’s table.

Question: How can I enable data discard from a Historic’s table every 24 hours? Solution: To do so, you must enable the Discard data from main table option in the…

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KB-31100: Creating Historic fields at run time

25 de março de 20197 de abril de 2020Elipse SoftwareDeixe um comentário on KB-31100: Creating Historic fields at run time

Question: Can I create Historic fields at run time? Solution: No, you can’t. To add fields to a Historic at run time, you can create an XObject containing a Historic.…

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KB-26934: Linking a Historic to pre-existing table.

25 de março de 2019Elipse SoftwareDeixe um comentário on KB-26934: Linking a Historic to pre-existing table.

Question: Is it possible to link a Historic to a pre-existing table in the Database? Solution: Yes, it is possible. After setting the Historic object’s Database, just access the Link…

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KB-28200: Historic not recording decimal values.

25 de março de 2019Elipse SoftwareDeixe um comentário on KB-28200: Historic not recording decimal values.

Question: The application reads the PLC’s decimal value as “0.98”, but the Historic displays this value as 0 instead. Why does this happen, and how can I fix this? Solution:…

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KB-34496: Error when generating the Historic’s structure in an Access Database.

25 de março de 2019Elipse SoftwareDeixe um comentário on KB-34496: Error when generating the Historic’s structure in an Access Database.

Question: If I try to generate the Historic’s structure in an Access Database, the following error occurs: Why does this happen? Solution: This happens because there is a limit of…

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KB-33702: Changing a Historic’s scan value at run time.

25 de março de 2019Elipse SoftwareDeixe um comentário on KB-33702: Changing a Historic’s scan value at run time.

Question: Can I change the Historic‘s scan value at run time? Solution: Yes. To do so, create a link at the Historic‘s ScanTime property: This property can also be edited…

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KB-32913: Recording data with PLC timestamp.

25 de março de 2019Elipse SoftwareDeixe um comentário on KB-32913: Recording data with PLC timestamp.

Question: How can I set up a Historic’s E3TimeStamp field to record the date/time from PLC and not from the PC? Solution: To do so, just access the Historic’s settings…

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KB-32972: Recording data only when tag's value is 1.

25 de março de 20195 de dezembro de 2023Elipse SoftwareDeixe um comentário on KB-32972: Recording data only when tag's value is 1.

Question: How can I have some tags recorded in a database only when another’s I/O tag value turns 1? Solution: To do so, follow these procedures: Create a Historic with…

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KB-24422: Changing a table name at run time.

25 de março de 2019Elipse SoftwareDeixe um comentário on KB-24422: Changing a table name at run time.

Question: How can I change a Historic’s recording table name at run time? Solution: To do so, you must disable the Historic, change its TableName property to the desired new…

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