Endress+Hauser Cerabar M, Руководство по эксплуатации

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Operation Cerabar M, Deltapilot M
36 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 calibra-
tion").
"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
Once you have entered all the parameters, you can lock your entries against unauthorized
and undesired access.
6.3 Operation with an operating menu
6.3.1 Operating concept
The operation concept makes a distinction between the following user roles:
User role Meaning
Operator Operators are responsible for the devices during normal "operation". This is usually limited to read-
ing process values either directly at the device or in a control room. If the work with the devices
goes beyond reading out values, it concerns simple, application-specific functions that are used dur-
ing operation. Should an error occur, these users simply forward the information on the errors but
do not intervene themselves.
Service
engineer/
techni-
cian Service engineers usually work with the devices in the phases following device commissioning. They
are primarily involved in maintenance and troubleshooting activities for which simple settings have
to be made at the device. Technicians work with the devices over the entire life cycle of the product.
Thus, commissioning and advanced settings and configurations are some of the tasks they have to
carry out.
Expert Experts work with the devices over the entire life cycle of the device, but in some cases place high
demands on the devices. Individual parameters/functions from the overall functionality of the devi-
ces are required for this purpose time and again. In addition to technical, process-oriented tasks,
experts can also perform administrative tasks (e.g. user administration). The "Expert" has access to
the entire parameter set.