2 a/o operation – Yokogawa GC8000 Process Gas Chromatograph User Manual

Page 274

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<5. EtherLCD>

5-23

IM 11B08A01-01E

F6 (Det #):

Sets a detector number.

• Pressing F2 (A.Zero) sets the current detector output value to 0 mV exclusively for the A/O

chromatogram. The screen then displays “Auto zero executed.”

• Pressing F3 (C.Zero) displays “Zero value clear executed.”
• The screen for Oven 1 and Det 1 is displayed as the initial screen.

Display Item

Name

Set Lower Limit Upper Limit

Unit

Remarks

Oven #

Oven number

1

3

Det #

Detector number

1

2

Detector type

None

TCD

FID

FID-MC

FPD

Auto gain

None (default)

Individual gain

Whole gain*

* Exclusively for the A/O

chromatogram

Whole gain

value

0

15

Auto zero

Automatic feed (default)

Auto zero value

Disabled

Auto zero

value

–1000.0000 1000.0000

Former chromatogram standard

value

Auto zero

time

0

21600.0

If the value is 0.0 seconds, the

value is set to the zero value

automatically obtained at the

start of the analysis cycle

5.3.2 A/O

Operation

Navigating to the A/O Operation screen sets the mode to A/O Manual and all the outputs of 32
A/O channels become 4 mA. On the A/O Operation screen, setting commands are available for
any of the up to 32 A/O channels. Navigating to other screens cancels the A/O Manual mode, and
according to the settings, outputs are made from each A/O channel.
To set the output value of an AO, select the A/O number with the cursor, enter the set value and
press the Set/Ent key. Note that this operation must be done in Manual status and in Stop mode.

1 1 / 1 1 / 2 2
1 5 : 1 5 : 4 5

A/O Operation

Slot N
AO# Set value
> - 1 A
- 2 A
- 3 A
- 4 A
- 5 A
- 6 A
- 7 A
- 8 A

Menu

Slot#

F1

F2

F3

F4

F5

F6

Figure 5.27

Example of the A/O operation screen

F1 (Menu):

Displays the Operation Menu screen.

F6 (Slot#):

Sets a slot number.

2nd Edition : May 11, 2012-00

5

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