Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 63)

<1. Overview>
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IM 11B08A01-01E
1.11.3 Status and Operation Mode
Process
Run mode Pause mode
Stop mode
Manual
Run mode
Stop mode
Run command Stop command
Pause command
Change the status
Run
command
Pause
command
Stop
command
Stop
command
Run command
The GC8000 has the following statuses. The change is possible only in the Stop mode.
Process Normal measurement, calibration and validation
Manual Manual operation
The GC8000 has the following operation modes and commands.
Run Mode in which measurement is running.
Starts the measurement in the Process mode.
This operation can be made by operators with user level B or higher.
Starts to display chromatograms in the Manual mode. (It does not detect
peaks, calculate concentration, or save chromatograms.) This operation
can be made by operators with user level C or higher.
Pause Mode in which measurement pauses.
Operates until the pause time specifi ed in the GCM method in the
Process mode. This operation can be made by operators with user level
B or higher.
Stop Mode in which measurement stops.
Operates in the Process mode for the main cycle specifi ed in the GCM
method. This operation can be made by operators with user level B or
higher.
Stops the Run mode immediately in the Manual status. This operation
can be made by operators with user level C or higher.
Command
cancellation
Cancels the operation mode command that is in the operation queue in
the Process mode. This operation can be made by operators with user
level B or higher.
Forced stop Stops the current operation mode forcibly in the Process mode. This
operation can be made by operators with user level C+ or higher.
Figure 1.16 shows the change of status and operation mode.
Process Manual
Run mode Pause mode
Stop mode
Pause command
(Revocable)
Run
command
Pause
command
Stop command
(Revocable)
Stop
command
Run command
Forced stop command Forced stop command
Change the status
Run mode
Stop mode
Run command Stop command
Figure 1.16 Diagram of Changing the Status and Operation Modes
The statuses and operation modes can be changed in the Analyzer Operation screen of the GC-
HMI (touch panel) equipped on the GC8000 analyzer. The operation modes can be changed in
the Analyzer Overview screen.
2nd Edition : May 11, 2012-00