Liquiline CM442R/CM444R/CM448R Operation
Endress+Hauser 87
You can monitor the manipulated variable by assigning the controller manipulated variable
to a limit switch (e.g. configure a dosing time alarm).
Controller 1 Options
• Bipolar(only current outputs)
•Unipolar+
•Unipolar-
Controller 2
Mathematical functions All the mathematical functions can also be used as a data source and the
calculated value can be used as the measured value.
Path: Menu/Setup/Additional functions/Limit switches/Limit switches 1 to 8
Function Options Info
Cleaning program Options
•None
• Cleaning 1
• Cleaning 2
• Cleaning 3
• Cleaning 4
Factory setting
None
Use this function to choose the cleaning instance which
should be started when the limit switch is active.
Function Options
•On
•Off
Factory setting
Off
Activating/deactivating the limit switch
Operating mode Options
• Above limit check
• Below limit check
• In range check
• Out of range check
•Change rate
Factory setting
Above limit check
Type of limit value monitoring:
• Limit value overshoot or undershoot å 63
• Measured value within or outside a range å 64
• Rate of change å 66
Measured valuedepending on theSource of data
Source of data Measured value