Commissioning Cerabar M, Deltabar M, Deltapilot M / 4...20 mA HART
52 Endress+Hauser
6.2 Commissioning without an operating menu
6.2.1 Pressure measuring mode
If no local display is connected, the following functions are possible by means of the keys on the
electronic insert:
• Position adjustment (zero point correction)
• Setting lower range value and upper range value
• Device reset ä 50
!
Note!
• Operation must be unlocked. ä 49, "Locking/unlocking operation"
• The device is configured for the "Pressure" measuring mode as standard. You can switch
measuring modes by means of the "Measuring mode" parameter. ä 55, "Measuring mode
selection"
• The pressure applied must be within the nominal pressure limits of the sensor. See information
on the nameplate.
Carrying out position
adjustment.
1
1) Observe warning on commissioning ( ä 51)
Setting lower range value. Setting upper range value.
Pressure is present at device. Desired pressure for lower range
value is present at device.
Desired pressure for upper range
value is present at device.
Press the "Zero" and "Span" keys
simultaneously for at least 3 s.
Press the "Zero" key for at least 3 s. Press the "Span" key for at least 3 s.
Does the LED on the electronic insert
light up briefly?
Does the LED on the electronic insert
light up briefly?
Does the LED on the electronic insert
light up briefly?
Yes No Yes No Yes No
Applied pressure
for position
adjustment has
been accepted.
Applied pressure
for position
adjustment has
not been
accepted.
Observe the input
limits.
Applied pressure
for lower range
value has been
accepted.
Applied pressure
for lower range
value has not
been accepted.
Observe the input
limits.
Applied pressure
for upper range
value has been
accepted.
Applied pressure
for upper range
value has not
been accepted.
Observe the input
limits.
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