Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 276)

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IM 11B08A01-01E
5.3.4 Remote A/O Operation
Navigating to the Remote A/O Operation screen sets the mode to Remote A/O Manual and the
outputs of all 36 remote A/O channels become 4 mA. On the Remote A/O Operation screen,
a command to set values between 0 and 1 is available for each of the up to 36 remote A/O
channels. Navigating to other screens cancels the Remote A/O Manual mode, and according to
the settings, outputs are made from each remote A/O channel.
To set the output value of a remote AO, select the remote 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 Remote A/O Operation (1/N)
R-AO# Set value
> - 1 A
- 2 A
- 3 A
- 4 A
- 5 A
- 6 A
- 7 A
- 8 A
- 9 A
Menu
F1 F2 F3 F4 F5 F6
Figure 5.29 Example of the remote A/O operation screen
F1 (Menu): Displays the Operation Menu screen.
TIP
For this operation, the user level C or higher is required.
• If the Analog output num is 0 on the GCCU Setup screen, this screen will not be displayed.
Display Item Name Set Lower Limit Upper Limit Unit Remarks
R-AO # Remote A/O channel
number
1 36 Number Remote A/O channel number
Set value ○ –0.2500 1.2500 After the value is set, 0 to 1 is
output as 4 to 20 mA.
* Internally, the value is written
in the MODBUS remote A/O
data table.
* The initial value is 0.0000.
5.3.5 Remote D/O Operation
Navigating to the remote D/O Operation screen sets the mode to Remote D/O Manual and all the
remote D/O contacts are turned Off. On the Remote D/O Operation screen, both the On and Off
commands are available. Navigating to other screens cancels the Remote D/O Manual mode,
and according to the settings, all remote D/O contacts are turned On or Off.
To change the remote D/O status to On or Off, select the remote D/O number with the cursor and
press the Set/Ent key. Note that this operation must be done in Manual status and in Stop mode.
2nd Edition : May 11, 2012-00
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