IEC_BACNET_CLIENT_COV (STRUCT)

TYPE IEC_BACNET_CLIENT_COV : STRUCT

The Client-COV data structure is used to represent the Client-COV-Increment property in a Trend Log object. It may contain either a real value increment or value NULL. A real value increment is used to determine that a change of value has occurred. If the referenced object and property supports COV reporting according to Section “Change of Value Reporting” of ASHRAE Standard 135-2010, NULL may be used, so a change of value is determined by the criteria of the said section.

InOut:

Name

Type

Comment

tag

IEC_BACNET_DATA_TYPE

Specifies the type of increment to use.

Valid values are: DATA_TYPE_NULL or DATA_TYPE_REAL.

realIncrement

IEC_BACNET_REAL

The real increment which must be exeeded.