Echelon i.LON 100 e2 Internet Server User Manual
Page 86
LON 100 Internet Server Programmer’s Reference
Property Description
<UCPTlastEvent>
This property contains a timestamp indicating the last time an
entry in the log file was deleted with the DataLoggerClear
function, or the last time an entry in the log was modified with the
DataLoggerWrite function. The timestamp is displayed in local
time, with an appended time zone indicator that indicates the
difference between local time and UTC. For more information on
this, see Local Times and Coordinated Universal Time on page 6-
12.
<UCPTlogLevel>
The volume of the log file that has been consumed, as a
percentage. For example, the value 90.0 indicates that the log is
90% full.
<UCPTtotalCount>
This property contains the total number of entries contained in the
data log read by the function.
The function also returns an <Element> element describing each log entry that met the
selection criteria you defined in the <Data> parameter. Table 18 describes the properties
listed within each of these elements.
Table 18 DataLogger Read <Element> Properties
Property Description
<UCPTpointName>
The name of the data point updated.
<UCPTlogSourceAddress>
The source address of the data point. This is returned using the
following format:
[Subnet.Node]
<UCPTlogTime>
A timestamp indicating the time that the log entry was made.
This timestamp is shown in local time, with an appended time
zone indicator showing the difference between local time and
UTC. For more information on this, see Local Times and
Coordinated Universal Time on page 6-12.
<UCPTvalueDef>
Indicates the value definition currently being used by the data
point. Value defintions are strings that represent preset values.
They are created when a data point is added to the Data Server.
For more information on this, see Chapter 5, Data Server.
This property will be returned empty if the data point was not
using a value definition after the update.
<UCPTvalue>
The value the data point was updated to.
<UCPTunit>
The unit type of the data point.
<UCPTpointStatus>
The status the data point was updated to.