Yokogawa Data Acquisition with PID Control CX2000 User Manual
Page 202
4-42
IM 04L31A01-01E
• Computation Error
Set whether to apply an the computed value to the upper limit value (over) or the
lower limit value (under) if the computed results in an error.
Over:
105% of the value is output for an overrange.
Under: –5% of the value is output for an underrange.
Note
•
The following values are output when the computed result is overrange or underrange.
Overrange:
105%
Underrange: –5%
•
The following are causes of computation errors.
•
Error in computation (divide by 0 etc. )
•
The equation is used, and a burnout occurs on channels whose burnout is set to ON
•
Trouble occurred with the AD converter on channels using the equation
•
Channels using the equation are set to Skip.
4.16 PV/SP Computation and Analog Retransmission Settings (Style Number S3 or Later)