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Chapter 3 Settings and Measurement
Contents General Description
Checks and Preparation
Settings and Measurement
Example of Use Specification
4-5. Alarm History
Set how to use the Alarm History function.
Alarm History function
When the Alarm History function is enabled, up to the latest 100 events for alarm occurrence/clearing can be saved.
During data capturing, you can check the events that have occurred.
During data replaying, you can check the event that occurred and move the cursor to the point where the event occurred.
Alarm History data is saved in a file (extension *.GAH) separate from captured data.
It is a file (pair file) with the same file name as the captured data file but with only the extension GAH.
<Example 1>
Data file name: DATA_FILE1.GBD
Alarm History file name: DATA_FILE1.GAH
<Example 2>
Data file name: DATA_FILE2.CSV
Alarm History file name: DATA_FILE2.GAH
An Alarm History file is created when data capturing is complete.
If a power failure occurs during capturing and the capturing is not stopped normally, the Alarm History file is not created.
Also, the Alarm History up to that point is deleted.
If a pair of GAH files exists in the same folder as the data file during data replaying, the Alarm History function during
replaying is available.
<Event contents>
Event contents
Alarm occurrence for each CH
Alarms clearing for each CH (when alarms are not held)
Burnout alarm occurrence
Alarm clear key operation
Remote alarm Clear Command execution
Remote alarm output port generation operation
Remote alarm output port clearing operation
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