Endress+Hauser Deltabar FMD72, Operating Instructions Manual

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Deltabar FMD72 Commissioning
39
11 Commissioning
NOTICE
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:
►
"S140 Working range P LP/HP" or "F140 Working range P LP/HP" (depending on the setting
in the "Alarm Behav. P" (050) parameter)
►
"S841 Sensor range LP/HP" or "F841 Sensor range LP/HP" (depending on the setting in the
"Alarm Behav. P" (050) parameter)
►
"S945/F945 Pressure limit LP"
►
"S971 Calibration"
11.1 Function check
Before commissioning your measuring point, ensure that the post-installation and post-connection
check have been performed.
• "Post-mounting check" checklist
• "Post-connection check" checklist
11.2 Unlocking/locking configuration
If the device is locked to prevent configuration, it must first be unlocked.
11.2.1 Locking/unlocking hardware
If the device is locked via the hardware (write protection switch) and an attempt is made to write
to a parameter, the message "HW lock state is ON" appears.
In addition, the key symbol appears in the measured value display. To unlock, toggle the write
protection switch, which is located under the display module. (
®
ä
34) .
11.2.2 Locking/unlocking software
If the device is locked via the software (device access code), the key symbol appears in the measured
value display. If an attempt is made to write to a parameter, a prompt for the device access code
appears. To unlock, enter the user-defined device access code. .
11.3 Commissioning without an operating menu
11.3.1 Pressure measuring mode
If no local display is connected, the following functions are possible via the three keys on the
electronic insert or externally on the device:
• Position adjustment (zero point correction)
• Setting lower range value and upper range value
• Device reset, see "Function of the operating elements" section, table (
®
ä
27).