The following table provides a list and description of the fields that exist in the OPC Reading family and are available on the baseline OPC Reading datasheet. The information in the table reflects the baseline state and behavior of these fields. If your implementation has been customized, these fields may behave differently, and fields in addition to those listed here may be available.
This family is enabled for site filtering, which means that records in this family can be assigned to a specific site, and will then only be accessible to users who are assigned to the same site and have the appropriate license and family privileges. See the Site Filtering section of the documentation for more information on using this feature.
Notes:
By default, OPC Readings are excluded from the global search.
| Field Caption/ID | Data Type | Description | Behavior and Usage |
|---|---|---|---|
| OPC Reading ID |
Character |
The value in the ID field in the OPC Tag record to which the OPC Reading record is linked. | None |
| Time Stamp |
Date |
The date and time of the reading. | None |
| Value CHR | Character | The character reading value. | This field will contain a value only if the Type field in the related OPC Tag record contains the value Character. |
| Value | Numeric | The numeric reading value. | This field will contain a value only if Type field in the related OPC Tag record contains the value Numeric. |
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