System with online functionality
©
COMSOFT
73
8.6 Event log
Figure 71:
Screen ‘Event log’
In the menu
Event log
the
NetTEST II
analyses the data
traffic between DP Master and DP Slaves and shows all
changes of the communication state for every DP Slave. The
Event log
is depicted in the form of a table. The columns are
described as follows:
•
ADD
-
Station address
-
ADD? – upon request by DP Master an error
telegram occurred
•
DATA
-
OK – DP Slave is in state DATA_EXCHANGE
-
NR – No Response, DP Slave is not responding
•
TRY
-
DP Slave needs more than 1 request by the DP
Master
•
CFG
-
DP Slave was parameterised or configured
•
DIA
-
Diagnostic messages occur at the DP Slave
Normally, a correctly configured DP Slave connected to the
DP Master indicates the status "OK – data exchange". During
long-term operation the PROFIBUS network all specific
changes of the network can be monitored. Even DP Slaves of
the DP Master not yet configured but nevertheless part of the
livelist, are displayed. By means of the
key the event log
can be reset. The event log is updated by pressing the
key
or after expiration of the adjusted event update time (see
chapter 8.9).
Содержание NetTEST II
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