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11.2.2 Alarm
Display
The alarms are displayed on the ETC as follows. As an example there are two current
alarms shown (mains power failure and overload line 2):
Legend:
-
No alarm / alarm masked
*
Alarm / Alarm not masked
11.2.3 Reset stored alarms
All occurred alarms are stored and remain in the menu "Stored alarms", even if the error
is no longer active in the system. Consequently all alarms can be retraced.
The stored alarms can be reset by selecting and confirming the function
DELETE
. The
time / date information in brackets corresponds to the time (UTC) of the last erasing.
11.2.4 Alarm
masking
All alarms can be masked by setting the alarm mask. If a masked alarm occurs, it will be
suppressed.
Mask alarm relay:
-
Alarm is masked. The alarm is only reported in
active and stored alarms but will not be shown in the
home display. The alarm relay contact of the ETC
24(R) will not switch.
*
Alarm is reported in active and stored alarms and
will be shown in the home display. The alarm relay
contact of the ETC 24(R) will switch.
Mask CAS/CAN communication:
ETC 24(R) only
-
Alarm is masked. The alarm will not be sent to the
CAS/CAN module of a MTC within the state
telegram.
*
Alarm will be sent to the CAS/CAN module of a MTC
within the state telegram.
C u r r e n t a l a r m s
A B C D E F G H I J K L M N O P
- - - - * - * - - - - - - - - -
B A C K
S t o r e d a l a r m s
R e s e t a l l s t o r e d
A B C D E F G H I J K L M N O P
a l a r m s ?
- - - - * - * - - - - * - - - -
( 1 1 : 1 5 : 4 2 / 2 8 . 0 2 . 0 6 )
B A C K D E L E T E
C A N C E L O K
