4 setting the computation channels (/m1 option), Index, Turning on/off computation – Yokogawa Data Acquisition with PID Control CX2000 User Manual
Page 23: Expression, Constant
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Index
Viewing and Creating Setup Data
2.4 Setting the Computation Channels (/M1 Option)
Double-click when setting each channel.
Select this tab.
Set the alarm (section 2.3).
Tools (section 2.3)
Enter the tag (section 2.3).
Alarm delay time
Waveform display zone (section 2.3)
Graphic settings (section 2.3)
Partial expanded
display (section 2.3)
Display color
(section 2.3)
Turn ON/OFF computation.
Select the number of digits
to the right the decimal.
Enter the expression
Set the display span.
Enter the unit (6 characters or less).
Enter the constant to be
used in the expression.
Turning ON/OFF Computation
Select whether or not to perform computation for each channel.
Expression
Enter the expression using up to 40 characters. For details related to the expression, see
the DX100P/DX200P User’s Manual.
Constant
You can set constants to be used in the expression. Up to 12 (DX100P) or 30 (DX200P)
constants can be specified. The allowed range is as follows:
–9.9999E+29 to –1.0000E–30, 0, 1.0000E–30 to 9.9999E+29