Commissioning Deltabar PMD78B PROFINET with Ethernet-APL
56 Endress+Hauser
Closed vessel with superimposed vapor
Before adjusting the device, the piping may need to be cleaned and filled with medium.
A
II
I II
I II
–
P2
+
P1
6
7
3
2 4
I
1 5
+
–
B
ESC
-
+ E
A0030040
I Device
II Three-valve manifold
III Separator
1, 5 Drain valves
2, 4 Inlet valves
3 Equalization valve
6, 7 Vent valves on device
A, B Shutoff valves
1. Fill the vessel to above the lower tapping point.
2. Fill the measuring system with medium.
Open A and B (shutoff valves).
Fill the negative pressure piping to the height of the condensate trap.
3. Vent device.
Open 2 and 4 (introduce fluid).
Open 6 and 7 until the system (piping, valve and side flange) is completely filled
with medium.
9.7.3 Commissioning with keys on the electronic insert
The following functions are possible via the keys on the electronic insert:
• Position adjustment (zero point correction)
The orientation of the device may cause a pressure shift
This pressure shift can be corrected by a position adjustment
• Resetting the device
Carrying out position adjustment
1. Device installed in desired position and no pressure applied.
2. Press the "Zero" key for at least 3 s.
3. When the LED flashes twice, the pressure present has been accepted for position
adjustment.
Resetting the device
‣
Press and hold the "Zero" key for at least 12 seconds.
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