Yokogawa Data Acquisition with PID Control CX2000 - Manual (Page 207)

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Configuring the CX1000/CX2000
Partial
Expand(%)
The boundary value is displayed as a percentage along the width of the display, between
1 and 99%.
Boundary
The setting conditions depend on the internal control channel and external control
channel as follows:
• Internal control channel
PV /SP: EU (0%) < boundary value < EU (100%)
OUT: EU (-5.0%) < boundary value < EU (105.0%)
However, with OUT for analog retransmission, minimum value of span < boundary
value < maximum value of span.
• External control channel
span L + 1 digit < boundary value < span U - 1 digit
However, when external loop is OFF, the partial expansion/reduction is also OFF.
Note
• The partial expansion/reduction settings are valid when [Partial] is set to [Use] in [Aux] of the
[Setup] tab.
• For the external control channel, set a boundary within the span determined by the internal
span -50–1050 and the specified decimal point. Normally there is one decimal place, so it
can be set to -5.0% < boundary < 105.0%.
Color
Click in the display color setting field to display a color selection dialog box.
You can select the display color of each channel from 16 colors.
7.5 Control Channel Settings (Internal/External)