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Programming via OPC UA
9.3 OPC UA events
Table 9- 38
Data type
Description
Possible values
9.3.4
AutoIdLastLogEntryEvent
This is an event for the last log entry. A "LastLogEntryEvent" is generated for every event
that was made in the log.
Note that the log is assigned to the communication module and not to a read point. Even if
entries for read points are made in the log, log entries are always made by the
communication module. The associated "LastLogEntryEvents" are always generated by the
communication module. The OPC UA read points only serve as transmitters of events to
OPC UA clients. This has the consequence that every read point transmits all
"LastLogEntryEvents", even those that relate to other read points. In the WBM, you can
define the read points via which the "LastLogEntryEvents" should be transmitted.
In addition to the inherited properties of "BaseEvent", a "LastLogEntryEvent" also contains
the following Property:
● DeviceName
Table 9- 39
Data type
Description
Possible values
The text of the log entry is in the "Message" Property inherited by the "BaseEvent".
122
Strength
Int32
RSSI value with which the last command was executed on the
transponder. This variable is only supported by UHF readers.
0 ... 255
DeviceName
String
Name of the communication module that made the log entry and
generated the Event.
This Property is inherited from "AutoIdDiagnosisEvent". The
inherited standard property "SourceName" of "BaseEvent" con-
tains the BrowseName of the read point via which the event was
transmitted.
Example:
SIMATIC_RF166C (192.168.0.254)
Operating Instructions, 12/2019, C79000-G8976-C578-01
SIMATIC RF166C
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