Alarms
PLC300 | 10-3
The arrows <> and <> browse through the active alarms. By pressing <ENTER> on
the selected alarm, a more detailed screen is shown:
Actuator1 Fail
Check circuit1
A:16/10/09 10:57:58
The first line shows the text displayed in the list of the active alarms. This text can have up
to 15 characters and is a simple description of the alarm.
The second line can show some explanation or action to take in relation to the alarm and
can have up to 20 characters.
The third line shows the day and the time the alarm was activated.
Press <ESC> to return to the list of the active alarms.
Press <ESC> to exit the list of the active alarms and return to the previous screen.
Alarm History
By pressing <SHIFT><ALARM>, a history of the alarms that have been normalized is
shown. An alarm is normalized when the bit marker that activated it returns to the previous
state. For instance, when a temperature being measured by the analog input lowers, a
comparison block disconnects the bit that was activated.
For instance:
ALARM-HISTORY
>003:Actuator1 Fail
002:CAN Power Off
001:Overtemp. K1
This screen shows the alarms that have already been normalized, that is, have left the
alarm condition.
The arrows <> and <> browse through the normalized alarms. By pressing <ENTER>
on the selected alarm, a more detailed screen is shown.
Actuator1 Fail
Check Circuit1
A:16/10/09 10:57:58
N:16/10/09 13:40:23
In addition to the information already explained in the active alarms, the date and time in
which the alarm was normalized appear on the fourth line.
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