Endress+Hauser Liquiline CM444 - Additional Functions

Operation Liquiline CM442/CM444/CM448
90 Endress+Hauser
10.6 Additional functions
10.6.1 Limit switch
There are different ways of configuring a limit switch:
• Assigning a switch-on and switch-off point
• Assigning a switch-on and switch-off delay for a relay
• Setting an alarm threshold and also outputting an error message
• Starting a cleaning function
Path: Menu/Setup/Additional functions/Limit switches/Limit switches 1 to 8
Function Options Info
Source of data Options
•None
• Connected sensors
• Controllers available
Factory setting
None
Specify the input or output which should be the source of
data for the limit switch.
Measuring value Options
•None
• Depends on theSource of
data
Factory setting
None
The measured value you can select depends on the
option selected under "Source of data".
Measured valuedepending on theSource of data
Source of data Measured value
pH Glass Options
• Raw value mV
•pH
•Temperature
pH ISFET
ORP Options
•Temperature
•ORP mV
•ORP %
Oxygen (amp.) Options
•Temperature
•Partial pressure
• Concentration liquid
•Saturation
• Raw value nA (only Oxygen (amp.))
• Raw value μs (only Oxygen (opt. WW))
Oxygen (opt. WW)