User`s guide

Table Of Contents
Alarm Management
Mitsubishi Electric, MA00759F 157
Alarm when Digital signal is: On/Off - Select On if a signal set to one is to generate
an alarm, and select Off if a reset signal is to generate an alarm.
Analog signal is: Equal to - An alarm is generated when the value of
the given analog alarm signal is equal to the value specified in the
subsequent field.
Not equal to - An alarm signal is generated when the given value of
the analog alarm signal is not equal to the value specified in the
subsequent field.
Less than - An alarm signal is generated when the given value of the
analog alarm signal is less than the value specified in the subsequent
field.
Greater than - An alarm signal is generated when the given value of
the analog alarm signal is greater than the value specified in the
subsequent field.
Acknowledge
notify
Digital signal activated when the alarm is acknowledged. The signal is
normally set to one.
Reset If the Reset box is checked, the above signal will be reset when the
alarm is acknowledged.
Remote
acknowledge
Digital signal which acknowledges the alarm when it is activated.
Alarm group Indicates the alarm group for the definition (the alarm).
Info block A block number or block name for a text or graphic block can be
stated here. This makes it possible to display a “help page” to the
operator with, for example, information about the alarm and
requisite procedures. If the field is left empty this means that no block
is linked to the alarm.
See the section Alarms in the Operator Panel and SMTP client.
Mail to
address
Alarms can be sent as e-mail messages to pre-defined recipients. The
alarm text will then be the subject of the message. Not available for
E1012 and E1022.
See the sections Alarm Properties and SMTP Client.
Ack. required Indicates whether the alarm is to be acknowledged or not. Checking
the box means that the alarm must be acknowledged, leaving it
unchecked means that the alarm functions as an event alarm, e.g.
information.
History When the alarm is to be removed from the alarm list. Checking the
box means that the alarm will remain in the list until the list is full.
Leaving it unchecked means that the alarm will be removed from the
list when it is acknowledged and no longer active. If the box Ack.
required is not checked, the alarm will be removed from the list as
soon as it is no longer active.
Parameter Description