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--- comfilehmi:alram_history_viewer:index [2023/04/09 04:01]
COMFILE Technology
+++ comfilehmi:alram_history_viewer:index [2023/04/11 12:21] (current)
COMFILE Technology [How to actually trigger an alarm]
@@ Line 36: / Line 36: @@
 {{ :comfilehmi:alram_history_viewer:alramhistory６.png?nolink |}}
+====== How to actually trigger an alarm ======
+In order to actually add an alarm line to the history alarm display, it is necessary to set in advance which alarm occurs in which case.
+In the 'external device monitoring' or 'expression monitoring' event, you can set the conditions and details to generate an alarm. (Events and Actions>Global Events or Screen Events)
+Generating an alarm means adding the contents of the alarm to the end of the *.alm file. (The format of the file to be added is private.)
+{{ :comfilehmi:alram_history_viewer:alramhistory８.png?nolink |}}
+  * (1) Determines whether to generate a history alarm when the corresponding condition is entered.
+  * (2) Decide whether to generate an alarm after executing the actions for the condition or before executing them.
+  * (3) When the size of the alarm file (*.alm) increases, the old part (the front part of the file) is automatically deleted.
+  * (4) Management of alarm lists to generate : Defines which alarms to trigger when the condition is entered. Alarms can be generated for multiple files when one condition occurs.
+{{ :comfilehmi:alram_history_viewer:alramhistory７.png?nolink |}}
+  * (5) Designate the file path to generate an alarm. The same path must be specified in the history alarm indicator as well.
+  * (6) Alarm message : Designates the content of the alarm message to be displayed on the history alarm display.
+  * (7) User column record (advanced function) : In addition to the contents of the alarm message, add the contents that the user wants to display specially. In order to display this content in a column, a user column must be prepared in advance in the column settings of the history alarm indicator (key values must match).
+{{ :comfilehmi:alram_history_viewer:alramhistory９.png?nolink |}}
+====== Example ======
+{{ :comfilehmi:alram_history_viewer:historyvideo.mp4?1000x500 |}}
+[[comfilehmi:index#widgets| Back to ComfileHMI]]

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