2 alarm process, 3 alarm number – Yokogawa GC8000 Process Gas Chromatograph User Manual
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<7. Troubleshooting>
7-2
IM 11B08A01-01E
Alarm Level
Set to level 2 or 3.
Alarm Message
The alarm message can be defi ned with up to 22 alphanumeric characters.
7.1.2 Alarm
Process
There are four alarm levels which are processed as follows.
Level 1
This alarm is activated when malfunctions in the system or hardware occur. Once activated, the
alarm status is maintained until released.
When a level 1 alarm is activated during Process status with Run mode, Run mode moves to
Stop at the end of the measurement being performed at the time.
Level 2
This alarm is activated when malfunctions in measurement conditions, etc. occur.
Once activated, the alarm status is maintained until released.
Component
This alarm is activated when measurement results for concentration, retention time, etc. fall out
of range.
Once activated, the alarm status is maintained until released.
Level 3
This alarm is activated for minor malfunctions or information.
The alarm status is not maintained.
7.1.3 Alarm
Number
The alarm number is assigned for each alarm level as follows.
Alarm 1 to 174: Level 1 Alarm
1 to 174: Fixed Alarm
Alarm 201 to 294: Level 2 Alarm
201 to 232: D/I Alarm (200 + contact number)
251 to 294: Fixed Alarm
291 to 294: Composition Alarm
Alarm 401 to 562: Level 3 Alarm
401 to 432: D/I Alarm (400 + contact number)
450 to 562: Fixed Alarm
471 to 474: Composition Alarm
2nd Edition : May 11, 2012-00