Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 68)

<4. Display and Operations while Connected to GC8000>
4-21
IM 11B06C01-01E
Table Display of Range Change dialog box for each process setting (details)
Process setting
(Details)
Result unit Measuring
range
Reference peak
No. 1
Reference peak
No. 2
Remarks
External third Displayed Displayed Displayed
Negative (-) sign
is shown if the
reference stream
and peak are “0,
0”.
Negative (-) sign is
shown.
For Calibration
Stream, the
reference stream
and peak are “0,
0”.
External linear Displayed Displayed Displayed Displayed For Calibration
Stream, the
reference stream
and peak (for both
1 and 2) are “0, 0”.
Indirect method
Deviation
calculation
Linear 1 to 5
Displayed Displayed Negative (-) sign is
shown.
Negative (-) sign is
shown.
AI1 to 16 Negative (-)
sign is shown.
Displayed 0% value 100% value
Others
(such as ratio)
Negative (-)
sign is shown.
Displayed Negative (-) sign is
shown.
Negative (-) sign is
shown.
4.3.18 Stream Valve ON/OFF Setting
To set a turn-On/Off time of stream valves, select the Stream Valve command from the Setup
menu. The Stream Valve ON/OFF Setting dialog box appears.
Figure 4.25 Stream Valve ON/OFF Setting dialog box
If no stream valve is used for the active GCM, the Stream Valve command is grayed out on the
Setup menu and you cannot select it.
In this dialog box, you can change the ON and OFF time for each method number of stream
valve of the active GCM. First, select a method number. A pair of ON and OFF time of the stream
valve of this method is displayed. Change the ON and OFF times and click the Change button.
A confirmation message asking “Are you sure you want to send the data?” is displayed in the
message box. When you respond with “Yes”, the settings are changed.
Each item can be selected in the following range.
Method number: 1 to 6
Valve ON time: “- Preparation time to System analysis cycle - 2 sec”
Valve OFF time: “ON time to System analysis cycle - 2 sec”
However, if it is set to “********”, both ON and OFF times are made invalid.
5th Edition : Nov. 16, 2011-00