Honeywell 9782 Series - Manual (Page 77)

I/O Setup and System Configuration
7/99 9782 Series Conductivity/Resistivity Analyzer/Controller - Operator’s Manual 5-21
5.9 Selecting a Computed Value to Be Displayed
Purpose
The Analyzer/Controller can calculate and display a computed value. The available values are:
•
RATIO: ratio between the values measured by the cells;
Cell
Cell
1
2
•
DIFFERENCE: difference between the values measured by the cells; Cell Cell 1 2
−
•
%PASSAGE: computed percent passage:
Cell
Cell
x
1
2
100
•
%REJECTION: computed percent rejection:
( )x 1
1
2
100
−
Cell
Cell
•
PPMCO2: computed parts per million carbon dioxide (standard range analyzers only)
Appendix B includes examples of applications using these values.
ATTENTION
If a computed value is used, it is significant which cell is considered “Cell 1” and which is
“Cell 2”. This must be taken into account when wiring the inputs. See 6.3 for details.
Procedure
Use the procedure in Table 5-9 to specify a computed value.
Table 5-9 Procedure for Specifying a Computed Value
Step Screen Action
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CALIBRATION
MAINTENANCE
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COMPUTED VALUE.
CONFIGURATION
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DISCRETE CONTROL
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ADVANCED FEATURES
CLOCK SETUP
COMPUTED VALUE
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