Modules
- Last UpdatedOct 04, 2024
- 1 minute read
- PI System
- PI Server
A module is an array of module values. Modules support change over time. Each module value represents the module that was in effect for a given time period. Therefore, a module audit record is actually a module value change record.
A module value is uniquely identified by the module unique ID and the module effective date. This is different from most audit records that require only the record ID for unique identification. For example, the Point Database needs only the Point ID to identify the record.
The following is an example of a module record identification. It consists of the unique ID, effective date, and name: