Endress+Hauser Cerabar M PMC51 Brief Operating Instructions page 27

Cerabar M PMC51, PMP51, PMP55
Setting the upper range value
4
5 Applied pressure for upper range value has been
8.2.2 Level measuring mode
The following functions are possible via the keys on the electronic insert:
• Position adjustment (zero point correction)
• Setting the lower and upper pressure value and assigning to the lower and upper level value
• Device reset →  25
• The "Zero" and "Span" keys only have a function with the following setting:
"Level selection" = "In pressure", "Calibration mode" = "Wet"
In other settings, the keys do not have a function.
• The device is configured for the "Pressure" measuring mode as standard. You can
change the measuring mode via the "Measuring mode" parameter →  28.
The following parameters are set to the following values at the factory:
• "Level selection" = "In pressure"
• "Calibration mode": wet
• "Unit before lin": %
• "Empty calib.": 0.0
• "Full calib.": 100.0
• "Set LRV": 0.0 (corresponds to 4 mA value)
• "Set URV": 100.0 (corresponds to 20 mA value)
• Operation must be unlocked →  25.
• The pressure applied must be within the nominal pressure limits of the sensor. See
information on the nameplate.
WARNING
L
Changing the measuring mode affects the span (URV)!
This can result in product overflow.
‣
If the measuring mode is changed, the span setting (URV) must be verified and, if
necessary, reconfigured!
Perform position adjustment (see the information at the start of the "Commissioning" section)
1
2
3
4
5 Applied pressure for position adjustment has been
Endress+Hauser
Yes
accepted.
Pressure is present at the device.
Press the "Zero" and "Span" keys simultaneously for at least 3 s.
Does the LED on the electronic insert light up briefly?
Yes
accepted.
Applied pressure for upper range value has not been
accepted. Observe the input limits.
Applied pressure for position adjustment has not been
accepted. Observe the input limits.
Commissioning
No
No
27