CLS200 Series User’s Guide
Chapter 5: Enhanced Features
109
Master Loop
Enter the master loop which will provide the output to the internal controller setpoint calculation for
the ratio loop setpoint.
ALARM
02 RATIO CONTROL
MSTR LOOP? NONE
Selectable values: Any loop except the loop currently selected (in this case, loop 02). Choose NONE
for no ratio control.
Minimum Setpoint
Enter the lowest allowable setpoint for the ratio loop. This minimum setpoint overrides any ratio
calculation calling for a lower setpoint. This value is expressed in the same engineering units as the
ratio loop’s process variable.
ALARM
02 CASCADE
MIN SP? 25
Selectable values: Any value from the minimum value of the ratio loop’s process variable to its
maximum value.
Maximum Setpoint
Enter the highest allowable setpoint for the ratio loop. This maximum setpoint overrides any ratio
calculation calling for a higher setpoint. This value is expressed in the same engineering units as the
ratio loop’s process variable.
ALARM
02 RATIO CONTROL
MAX SP? 25
Selectable values: Any value from the minimum value of the ratio loop’s process variable to its
maximum value.
Control Ratio
Enter the multiplier to apply to the master loop’s process variable.
ALARM
02 RATIO CONTROL
CTRL RATIO? 1.0
Selectable values: 0.1 to 999.9.
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