Additional Offline Trend Logs Procedures
Perform the following procedures to work with offline trend log objects.
Upload Trend Data from the System Browser
- In System Browser, select Application View.
- Select Applications > Trend > Offline Log Objects.
- Select one or more trend log objects or trend log multiple objects.
- The trend view displays as follows. The red curve indicates that the offline trend data is not yet updated. The blue curve indicates the online trend data.
- The properties of the trend log objects or trend log multiple objects display in the Extended Operation tab.
NOTE: If you select more than one object, the properties display only if both are of the same type, that is, either trend log objects or trend log multiple objects.
- Click the Extended Operation tab.
- Perform any one of the following steps:
- To upload the trend data related to all the trend log objects or trend log multiple objects, navigate to the Log Enable property and click Collect.
- To upload the trend data related to a specific trend log object or trend log multiple object, expand the Log Enable property and click Collect.
- The offline trend data from the trend log objects or trend log multiple objects is uploaded to the management station. The red curve indicates the updated Offline Trend data. The blue curve indicates the online trend data.
Upload Trend Data from the Legend
- A Trend View is open. The red curve indicates that the offline trend data is not yet updated. The blue curve indicates the online trend data.
- In the legend, select one or more trended objects whose associated trend data you want to upload to the management station.
- Right-click the selected trended object and then select Display Trendlog Object in Contextual pane.
- Click the Extended Operation tab.
- The properties of the associated trend log object display.
NOTE: You can only view the properties of trend log objects that are of the same type. For example, if you have selected two Analog Input objects, that are associated with two individual trend log objects, the properties of the trend log objects display in the Contextual pane.
However, if one trended object is associated with a trend log object and another with a trend log multiple object, the properties do not display.
- Perform any one of the following steps:
- To upload the trend data related to all the trend log objects or trend log multiple objects, navigate to the Log Enable property and click Collect.
- To upload the trend data related to a specific trend log object or trend log multiple object, expand the Log Enable property and click Collect.
- The offline trend data from the trend log objects or trend log multiple objects is uploaded to the management station. The red curve indicates the updated Offline Trend data. The blue curve indicates the online trend data.
Assign or Replace a New Trendlog Reference
A new object reference can be added to available offline trendlog objects. In this case, the collected data must first be backed up (uploaded); only then can the new object reference be assigned. Data that is not uploaded in advance can no longer be restored after being assigned anew. This applies to trendlog and trendlog multiple objects.
- The display level for the Record count property is set as this property is not visible in the Extended Operations tab for BACnet trend log objects.
- The Reset command for the Record count property is configured.
- In System Browser, select Application View.
- Select Applications > Trends > Offline Log Objects > [network name] > Hardware > [automation station] > [offline trendlog object].
- Click the Extended Operation tab.
- Navigate to the Log Enable property and click Collect.
NOTE: The current offline Trendlog data is uploaded to the management station before you reset the collected data.
- Click Disable to disable the Log Enable property.
- Navigate to the Record count property and click Reset.
- Click the BACnet Editor tab and open the Trended Properties expander.
- In System Browser, select the Manual Navigation check box, and then drag the required data point to the Trended Properties expander.
- Select the property you want to record and click Send.
- Select Applications > Trends > Offline Log Objects > [network name] > Hardware > [automation station] > [offline trendlog object].
- Click the Extended Operation tab.
- Navigate to the Log Enable property and click Enable.
- The Trendlog object is new configured and is ready to collect data.
NOTE: An entry in the Event list displays if a trendlog object has an invalid address. The message can be suppressed by setting the Log Enable property to Disable or clearing the BACnet reference.
Change Trended Properties of Objects
- You have configured rights on the BACnet configurator.
- BACnet points to be added to the trend log objects display in Edit mode. For more information, see Add BACnet Points to the Edit mode or Add BACnet Points to the Trend View.
- Select one or more BACnet points of the same type (for example, all analog input or analog output) for which you want to create trends on the property other than the default.
- Right-click and select Change Property.
- The Change Property dialog displays with the list of all the properties that can be trended.
- Select the desired property and click OK.
- The objects reflect with the modified property.
Modify Trend Log Objects in Bulk
- In System Browser, select Application View.
- Select Applications > Trends > Offline Log Objects.
- Perform either of the following steps to add the trend log objects to the Edit mode:
- Select the BACnet trend log objects to be modified and click Edit Trend .
- Select the BACnet trend log objects to be modified. Then, select New Trend from the Related Items pane to open the Trends application in the Secondary pane. Click Edit Trend .
- Select the objects to be modified, right-click, and select Modify Trend.
- The properties of the selected objects display.
- Perform the required updates to the trend log objects and click Start Modification .
- The results of the bulk operation display in the Bulk Operation Details window.
- Click OK.
Delete Trend Log Objects in Bulk
- In System Browser, select Application View.
- Select Applications > Trends > Offline Log Objects.
- Perform either of the following steps to add the trend log objects to the Edit mode:
- Select the BACnet trend log objects to be modified and click Edit Trend .
- Select the BACnet trend log objects to be modified. Then, select the New Trend option from the Related Items pane to open the Trends application in the Secondary pane. Click Edit Trend .
- Select the objects to be deleted, right-click and select Delete Trend.
- A confirmation message displays.
- Click OK.
- The results of the bulk operation display in the Bulk Operation Details window.
- Click OK.
- The trend log objects are deleted from System Browser.
Add BACnet Points to the Trend Viewer
- The Trends application is in the Edit mode.
- In System Browser, select Management View.
- Navigate to Project > Field Networks > [network type] > Hardware > [device].
- Perform either of the following steps to add the points to the Trend Viewer:
- Select the Manual navigation check box and thereafter, select the BACnet points. Drag the selected BACnet points to the Trend Viewer.
- Select the BACnet points and thereafter, select New Trend from the Related Items pane to open the Trends application in the Secondary pane. Click Edit Trend .
- The BACnet points display in the Trend Viewer.