1 FUNCTIONS
1.7 COV Interaction Function
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3. Set the following items, and click the [Add] button.
*1 For the method to assign multiple data blocks in a batch, refer to the following section.
Page 212 Assigning data blocks using a CSV file
4. Click the [Detail] button.
Item Description
DeviceInstanceNo Specify the instance number of the send source device of COV notifications.
ObjectID Select the ObjectType of the send source object of COV notifications, and enter an instance number.
BufferMemoryAddress Specify the start buffer memory address of an access block for COV interaction
*1
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Specify an even number within the range of 256 to 32767 (100h to 7FFFh).
To specify a buffer memory address in hexadecimal, add 'h' at the end of it.
When '0' is specified to the buffer memory address, the data blocks are automatically assigned to the free space in the
buffer memory.
Disable Select this to store COV notification data to an access block for COV interaction without assigning the access block for
BACnet monitoring to the buffer memory.
To store COV notification data to an access block for BACnet monitoring, set the following settings.
• Set an access block for BACnet monitoring to monitor the send source of the COV notification
• Set '1' to "MonitorDataSetByCOV" in [Settings] [Basic Information] [BACnet Detail Setting] button
"Interaction"
Periodic SubscribeCOV transmission When this item is not selected, COVs are sent with an UnsolicitedCOV service.
When this item is selected, COVs are sent with a COV send request (SubscribeCOV service). The following three
items should be set.
ProcessID Specify the ID of a target property.
Range: 1 to 4294967295
Confirmed/Unconfirmed When to confirm notifications, select "Confirmed COV Notification".
When not to confirm notifications, select "Unconfirmed COV Notification".
LifeTime Specify the cycle to read property values in seconds unit.
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