Definition

Alarm definition

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The alarm variables are assigned alarm-specific properties, actions and information in the <Alarm> worksheet.

The Alarm worksheet has the following structure:

Variable	Alarm number	Text/File	Font	Color	Back color	Alarminfo action	Alarm Helptext	Class
[0].0		1 = Alarm(s) active (EPAM -> PLC)
[0].1		1 = User has acknowledged all alarms (EPAM -> PLC)
[0].2		1 = Unacknowledged alarm(s) present (EPAM -> PLC)
[0].3		1 = Alarm file saved
[0].4 - [0].15		reserved
[1]		Alarm number for acknowledging an individual alarm (EPAM -> PLC)
[2].0		1 = Acknowledgement of all alarms (PLC -> EPAM)
[2].1		1 = Disable Alarm action (PLC -> EPAM)
[2].2		1 = Disable save (PLC -> EPAM)
[2].3 - [2].15		reserved
[3]		Alarm number for acknowledging an individual alarm (PLC -> EPAM)
[4].0	100	Alarm 1	Alarm.fnt	red	black	#Page=Diagnose,Page=Detail100	Alarm100.txt	Warning
[4].1	101
...
[4].15
[5].0
...

Variable column

Variable specifies the data word and data bit in the alarm buffer . The data words [0] to [3] are reserved for status information. Alarms start from data word [4].

Alarm number column

The Alarm number column defines the alarm number of the corresponding alarm. Alarm numbers must be unique.

Text/File column

The associated alarm text is defined in the Text/File column. Multi-lingual alarm texts can be defined.

Font, Color, Backcolor columns

These columns define the alarm-specific Font, Color and background color.

Action Alarm Info column

The Action Alarm Info column is used to define one or several comma separated alarm-specific actions. The action of the selected alarm in the alarm list can be called using the Alarmlist:Info=<x> button action.

Call alarm info of the selected alarm.

Example

AlarmList:info=1 -> #Page=Diagnose

AlarmList:info=2 -> #Page=Detail100

Action Alarm Helptext column

The Action Alarm Helptext column is used to define an alarm-specific Help text file. The Help text of the currently selected alarm in the alarm list is saved in the /S/SYS/AlarmList[<name>].TxtInfo system variable and can be displayed using the TextList object.

Class column

An alarm may be assigned to a specific class. Followin classes are supported:

Error ( Default, if no class is specified )

Default behavior.

Warning:

Automatic acknowledgment

Doesn't affect bit [0].2