Yokogawa Data Acquisition with PID Control CX2000 User Manual
Page 204
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IM 04L31A01-01E
Setup Item
Logic Computation Settings
• Setting Numbers
Up to 30 logic computations can be set. Select the numbers for the logic
computations.
• Relay
Select the destination for the computed results.
DO001-DO006:
Control output terminal block DO (for loops 1 and 2)
DO101-DO106:
Control output terminal block DO (for loops 3 and 4)
DO201-DO206:
Control output terminal block DO (for loops 5 and 6)
RO001-RO012:
Control DIO expansion terminal block DO
SW001-SW036:
Internal switches
• Equation
Follow the instructions in the equation pop-up window to enter the equation (using
120 characters or less). The number of data that can be used in equations is 35. You
can also use the control constants W01-W36 in the equation. Measurement
constants K01-K36 cannot be used.
You can use the following operators.
Computation Type
Operator
Logical operation
AND, OR, XOR, NOT
Relational operation
.GT., .LT., .GE., .LE., .EQ., .NE.
Conditional expressions
[eq1?eq2:eq3]
See appendix 3, “Meanings and Syntax of Equations” for information on how to create
equations.
4.17 Logic Computation Settings (Style Number S3 or Later)