Operation Cerabar M PMC51, PMP51, PMP55
20 Endress+Hauser
Function of the operating elements
Operating key(s) Meaning
"Zero" pressed for at least 3 seconds Get LRV
• "Pressure" measuring mode
The pressure present is accepted as the lower range value (LRV).
• "Level" measuring mode, "In pressure" level selection, "Wet" calibration
mode
The pressure present is assigned to the lower level value ("Empty
calibration").
"Span" pressed for at least 3 seconds Get URV
• "Pressure" measuring mode
The pressure present is accepted as the upper range value (URV).
• "Level" measuring mode, "In pressure" level selection, "Wet" calibration
mode
The pressure present is assigned to the upper level value ("Full calibration").
"Zero" and "Span" pressed
simultaneously for at least 3 seconds
Position adjustment
The sensor characteristic is shifted in parallel so that the pressure present
becomes the zero value.
"Zero" and "Span" pressed
simultaneously for at least 12 seconds
Reset
All the parameters are reset to the order configuration.
6.2.2 Locking/unlocking operation
See the Operating Instructions.
6.3 Operation with an operating menu
6.3.1 Operating concept
See the Operating Instructions.
6.3.2 Structure of the operating menu
See the Operating Instructions.
6.4 Operation with device display (optional)
A 4-line liquid crystal display (LCD) is used for display and operation. The local display shows
measured values, dialog texts, fault messages and notice messages. For easy operation the
display can be taken out of the housing (see figure steps 1 to 3). It is connected to the device
via a 90 mm (3.54 in) long cable. The display of the device can be turned in 90° stages (see
figure steps 4 to 6). Depending on the installation position of the device, this makes it easy to
operate the device and read the measured values.
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