| Property | Type | Description |
| Billing Period End Date | Numeric | Indicates the monthly day number that sampling will occur, if trend has been configured to collect its sample on a defined day of month |
| Billing Period Type | Multi-State | Indicates what type of billing period is used: Use Last Day of Month, Define Day of month, or End of Billing Period Referencer 1, 2 or 3. |
| Data Harvest Trend | Binary | Contains the value that decides if the trended data will be stored in a database at the workstation/server or not. |
| Enable Delay Countdown | Numeric | This property indicates the number of minutes remaining before sampling is enabled, if the sample enable referencer has been defined with an enable on delay. |
| Enable On Delay | Numeric | The Enable On delay edited value |
| Enable Status | Binary | Indicates whether the trend is currently enabled (Yes or No). |
| Enable: Ref | Binary | Indicates the current value and name of the of the referenced property of the enable referencer, if defined. |
| Object Identifier | Object ID | This is the object identifier property. It is the unique identifier for a given instance of a calculation object. It is only unique within the context of a given BCU. |
| Object Type | Multi-State | This is the object type property. It is an enumeration that identifies a calculation object. |
| Sample Start Day | Numeric | Indicates the weekly day number that sampling occurs, if trend has been configured to collect its sample once a week Sunday is defined as 1 and Saturday as 7. |
| Sample Start Time | Date/Time Numeric | Indicates the daily hour number, in 24 hour format, that sampling will occur if trend has been configured to collect its sample at 8 hour, 1 Day, or 7 day intervals. |
| Snapshot Alarm Class | Numeric | This value indicates the alarm class number that receives the notification that a snapshot event has occurred. |
| Snapshot Taken | Binary | Indicates the current status of the snapshot condition of the trend |
| Snapshot: Ref | Object Ref. | The value and name of the property that is defined in the "trigger On" field on the Snapshot Setup page. |
| Update Tag | Numeric | This property indicates the last edit change of this object. This is the upload/download tag property. Its purpose is to keep the PC Workstation and BCU copies of the object instance in synchronization. Value indicating last edit change of this object |