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accumulator.valueChangeTime |
According to the BACnet protocol documentation:
Represents the date and time of the most recent occurrence of a write to the valueBeforeChange or valueSet properties.
Property valueChangeTime of object accumulator can be read and written using a single IOTag.
Property |
Value |
ParamDevice |
<deviceAddress> |
ParamItem |
accumulator-<objectAddress>.valueChangeTime |
Property |
Value |
N1: |
<deviceAddress> |
N2: |
<type> = 23 |
N3: |
<objectAddress> |
N4: |
<property> = 192 |
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>.