User`s guide

Table Of Contents
Alarm Management
160 Mitsubishi Electric, MA00759F
Reset Checking the box resets the signal given in the List erase signal field when
the alarm list is deleted.
List size The list size in kB. Note that when the system allocates memory equal to
that which is specified for List size, the actual size of the alarm list is twice
the indicated size. The performance of the project is adversely affected if
the list size is over 50 kB.
Enable alarm
signal
A digital signal which, when set to one, activates alarm handling in the
operator panel. This parameter makes it possible to switch on/off alarm
handling in the operator panel. The parameter should not be used if alarm
handling is to be active all the time.
Default font
size
The default font size in the alarm list, that is always shown after restart or
start-up, and after switching between operation modes.
Alarm symbol When the alarm symbol is to be shown. In text blocks ALARM is shown,
and in graphic blocks a bell is shown in the top right-hand corner of the dis-
play.
No means that the alarm symbol is never shown.
Unacknowledged means that the alarm symbol is shown when there are
unacknowledged alarms in the alarm list.
Active means that the alarm symbol is shown when there are active alarms
in the alarm list.
All means that the alarm symbol is shown when there are active and/or
unacknowledged alarms in the alarm list.
Send e-mail When alarms are to be sent as e-mail messages.
Always means that an e-mail message is always sent when the status of the
alarm changes.
Active means that an e-mail message is sent when the alarm is activated.
Inactive means that an e-mail message is sent when the alarm is inacti-
vated.
Acknowledge means that an e-mail message is sent when the alarm is
acknowledged.
Backlight If the background light is to be affected during an alarm.
On means that the light is switched on when the alarm symbol is shown
(default setting).
Off means that the background light is not affected by alarms.
Timer means that the light is switched on when a new alarm is activated,
and switched off when the time for the screen saver has run out.
Alarm Cursor The color of the cursor in the alarm list.
Repeat Count
Time
Store first means that when the alarm is acknowledged the time for the
first activated alarm will be stored in the alarm list.
Store last means that when the alarm is acknowledged the time for the last
activated alarm will be stored in the alarm list.
Parameter Description