Endress+Hauser Cerabar M - Page 120

Commissioning with an operating menu (onsite display/FieldCare) Cerabar M, Deltabar M, Deltapilot M
120 Endress+Hauser
Expert → Measurement → Basic setup
Parameter name Description
Pos. zero adjust (007)
(Deltabar M and gauge
pressure sensor)
Options
Position adjustment – the pressure difference between zero (set point) and the
measured pressure need not be known.
Example:
– Measured value = 2.2 mbar (0.032 psi)
– You correct the measured value via the "Pos. zero adjust (007)" parameter with
the "Confirm" option. This means that you are assigning the value 0.0 to the
pressure present.
– Measured value (after pos. zero adjust) = 0.0 mbar
Options
•Confirm
•Abort
Factory setting:
Abort
Calib. offset (192) / (008)
(absolute pressure
sensor)
Options
Position adjustment – the pressure difference between the set point and the
measured pressure must be known.
Example:
– Measured value = 982.2 mbar (14.25 psi)
– You correct the measured value with the value entered (e.g. 2.2 mbar (0.032
psi)) via the "Calib. offset (192)" parameter. This means that you are assigning
the value 980.0 (14.21 psi) to the pressure present.
– Measured value (after pos. zero adjust) = 980.0 mbar (14.21 psi)
Factory setting:
0.0
Damping switch (164)
Display
Displays the switch position of DIP switch 2 which is used to switch the damping of
the output signal on and off.
Display:
•Off
The output signal is not damped.
•On
The output signal is damped. The attenuation constant is specified in the
"Damping value (017)" parameter
Factory setting
On
Damping value (017)
Damping value (184)
Entry
Enter damping time (time constant ). The damping affects the speed at which the
measured value reacts to changes in pressure.
Input range:
0.0 to 999.0 s
Factory setting:
2.0 or as per order specifications
Press. eng. unit (125)
Options
Select the pressure unit.
If a new pressure unit is selected, all pressure-specific parameters are converted
and displayed with the new unit.
Options:
• mbar, bar
• mmH2O, mH2O,
•inH2O, ftH2O
• Pa, kPa, MPa
•psi
•mmHg, inHg
•kgf/cm
2
Factory setting:
mbar or bar depending on the sensor nominal measuring range, or as per order
specifications