Cerabar M, Deltabar M, Deltapilot M Commissioning without an operating menu
Endress+Hauser 69
7 Commissioning without an operating menu
The device is configured at the factory for the Pressure measuring mode (Cerabar, Deltabar)
or Level measuring mode (Deltapilot). The measuring range and the unit in which the
measured value is transmitted correspond to the specifications on the nameplate.
Exceeding the maximum allowable working pressure!
Risk of injury due to bursting of parts! Warning messages are generated if pressure is too
high.
‣ If a pressure smaller than the minimum permitted pressure or greater than the
maximum permitted pressure is present at the device, the following messages are output
in succession (depending on the setting in the "Alarm behavior" (050) parameter):
"S140 Working range P" or "F140 Working range P"
"S841 Sensor range" or "F841 Sensor range"
"S971 Adjustment"
Use the device only within the sensor range limits.
Shortfall of the allowable working pressure!
Output of messages if pressure is too low.
‣ If a pressure smaller than the minimum permitted pressure or greater than the
maximum permitted pressure is present at the device, the following messages are output
in succession (depending on the setting in the "Alarm behavior" (050) parameter):
"S140 Working range P" or "F140 Working range P"
"S841 Sensor range" or "F841 Sensor range"
"S971 Adjustment"
Use the device only within the sensor range limits.
7.1 Function check
Carry out a post-installation and a post-connection check as per the checklist before
commissioning the device.
• "Post-installation check" checklist ä 37
• "Post-connection check" checklist ä 43
7.2 Position adjustment
The following functions are possible by means of the key on the electronic insert:
• Position adjustment (zero point correction)
• Device reset ä 47
• Operation must be unlocked. ä 54, "Locking/unlocking operation"
• The device is configured for the "Pressure" measuring mode as standard.
• The pressure applied must be within the nominal pressure limits of the sensor. See
information on the nameplate.
Carrying out position adjustment
1)
Pressure is present at device.
Press the "Zero" key for at least 3 s.
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