Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 174)

<7. Alarm Windows>
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If you select the [ALL] tab, it displays the histories of all alarms that have occurred in the GC8000.
If you select the [GCM] tab, it displays the alarm histories of the selected GCM and the equipment
overall.
A maximum of 600 alarm histories will be displayed.
7.3 PCAS Alarm History Window
The PCAS Alarm History window reads an alarm log file stored in the analyzer server and
displays the latest 300 alarms. If a PCAS alarm occurs while this window is being displayed, you
should re-read the alarm log file from the analyzer server to update the display.
The display items are the occurrence date and time, a flag, alarm numbers, alarm description,
and related data (1, 2). If there is data hidden from view in the window, you can scroll through it
to display hidden portions. The flag, if it is “1”, indicates the occurrence of an alarm, or if it is “0” it
indicates recovery from it.
Right clicking on an alarm number display area allows you to display the Detailed Alarm
Description window of that alarm number.
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5th Edition : Nov. 16, 2011-00