According to the BACnet protocol documentation:

Specifies the date and time at or after which logging shall be disabled by this property. If this property contains an unspecified datetime, then the conditions for logging to be disabled by Stop_Time shall be ignored. If Stop_Time specifies a date and time earlier than Start_Time, then logging shall be disabled. This property shall be writable if present. When Stop_Time is reached, the value of the Enable property is not changed.

Property stopTime of object trendLog can be read and written using a single IOTag.

Text Parameters

Numeric Parameters

Tag Value

A Date, Null or String (Xml) value representing a BACnet date/time.

•A null value means the date/time is empty/not set;

•A date/time value representing a precise date and time;

•A character string containing an XML with a value of type <BACnetDateTime>.