Yokogawa Data Acquisition with PID Control CX2000 - Manual (Page 206)

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7.5 Control Channel Settings (Internal/External)
The following settings apply to the internal and external loop’s SP, PV, and OUT displays.
To enter control channel settings, click the [Control(Int)] tab. Or, you can select the items
by choosing [Control Setting] - [SET [Basic] Setting] - [Control Channels (Internal)].
Tag
Enter a tag using maximum of 16 alphanumeric characters.
You can select tags instead of channel numbers to be displayed on the screen. Select
whether the channel name or tag is displayed in the [Setup] tab under [Aux] > [Tag/
Channel]. By selecting [Tag] in [Aux] of the [Setup] tab, you can select the tag No./tag
comment or tag in the Data Monitor or Data Viewer.
Zone
You can select the range on the CX’s screen where each channel waveform is displayed.
Set the lower and upper limits as percentages on the scale displayed.
The zone setting conditions are as follows:
• Setting range: 0 to 100%
Lower limit < Upper limit
• Difference between upper and lower limits: at least 5%
Graph
Div
Select the number of bar graph divisions from 4 to 12, or C10.
When selecting C10 , the scale of the trend display is divided into 10 or some other
number of major divisions, numbered at the [0], [30], [50], [70], and [100]% marks.
Bar graph
Select the bar graph reference point. When the bar graph is displayed vertically, [Center]
is invalid, even if selected. During the data check it is changed back to [Normal].
Scale
When the scale is displayed in the trend display, select the scale display position.
For details, refer to the CX User’s Manual (IM 04L31A01-01E or IM 04L31A01-03E).