Yokogawa GC1000 Mark II Process Gas Chromatograph - Manual (Page 36)

<3. Analyzer Operation Window>
3-7
IM 11B03G03-03E
l Descriptions of the Area
The scales are displayed in the following format:
Item Format
Horizontal scale Shows a chromatogram with the analysis period set on a task-by-task basis.
Vertical scale An automatic scale, which adjusts automatically so that the approximate data
deflection up to that moment is 80 percent of full scale. This automatic scaling is set
separately for the chromatogram and temperature.
Active Stream Indicates the number of the stream being currently measured. Indicates "Disp.OK"
when sample displacement is ready (available only for manual calibration/validation
method).
Next Stream Indicates the number of stream scheduled next. For preparation status, (P) is added as
a suffix.
n Timing Display Area
This area displays a chart of the on/off times for each analyzer valve and gate according to the
analysis cycle. These times are preset. As for the on/off times for the gate, if two detectors are
used, this area shows the times separately for each detector.
l Area Layout
F0309.ai
Indicates time elapsed.
Indicates ON status.
Gate (one detector)
or
Gat1/Gat2 (two detectors)
Valve 1 to 8
l Descriptions of the Area
The following table summarizes the descriptions of the display.
Item Available Information
Horizontal scale Indicates the times of an analysis cycle set on a stream-by-stream basis.
Valve 1 to 8 Indicates on/off states of valves 1 to 8 in bar graph.
Gate or Gat1/Gat2 Indicates on/off state(s) of gate(s) in bar graph.
n Valve Display/Control Area
The Valve Display/Control area displays the state of the stream switching valve of the analyzer
(the currently active valve numbers or OFF), the on/off state of the analyzer valves and detectors,
and the state of the temperature controller. In this area, these states can be changed.
TIP
In order to actually operate valves, the system must be at user level C as well as in the Manual mode.
4th Edition : Mar. 21, 2012-00