New (and Edit) device history window

This window configures device history records.
Figure 202.   New window for Bacnet History Import Manager
Image

This window opens when you expand Config > Drivers > BacnetNetwork > BacnetDevice, double-click Trend Logs and click New or select a row and click Edit in the Bacnet History Import Manager.

Property Value Description
Name text Identifies the history.
Type drop-down list (defaults to Boolean Writable)
Identifies the type of BACnet object, for example, Analog Input, Analog Output, Calendar, Schedule, Structured View, File, Trend Log, BooleanWritable or other.

Writable components typically offer more type selections than read-only points, such as:

  • Two read-only: input or value type, e.g. Binary Input or Binary Value object.
  • Two writable: output or prioritized value type, e.g. Binary Output or Binary Value Prioritized object.

    The screen capture shows an example of type selections when exporting an NdioBooleanWritable point.

Object ID Object Id and Instance Number
Identifies each device and component by the type of entity (Object Id) combined with a unique Instance Number.

For devices (controllers, instruments, meters, etc.), Instance Number must be unique within the BACnet internetwork. For components (points, schedules, analog inputs, files, groups, multi state inputs, etc.), it must be unique within the device.

In this case, the object is a schedule.

Execution Time additional properties
Configures the frequency with which data are imported from a remote trend log (or trend log multiple) into a history (or histories). Data import may occur at regular intervals (Interval), Daily or when manually requested (Manual).

Time Of Day specifies a specific daily time.

Randomization configures an import based on time.

Days Of Week specifies on which days to apply the import time.

Enabled true (default) or false
Activates (true) and deactivates (false) use of the object (network, device, point, component, table, schedule, descriptor, etc.).
Capacity drop-down list (defaults to Unlimited)
Specifies the number of trend log records (histories) to store in the histories database. When capacity is reached, newer records overwrite the oldest records.
Full Policy drop-down list
Specifies what happens when a trend log (history) reaches capacity.

Applies only if Capacity is set to Record Count. When capacity reaches record count, the newest records overwrite the oldest records.

Roll ensures that the latest data are recorded.

Stop terminates recording when the number of stored records reaches capacity.

Full policy has no effect if Capacity is Unlimited.

Time Zone drop-down list
Sets up the time zone using the Set System Date/Time, which you access either using a platform connection and Platform Administration > Change Date/Time or using one of the station’s PlatformServices views (Platform Service Container plugin or System Date and Time Editor). Otherwise, the time zone is displayed for information only.
Local History Name Format BFormat Identifies the local history file.
Discovery History Type read-only  
Always Request By Reference Time true or false (default)
Configures if the driver should always use the Reference Time to request records.