Operation Deltapilot M 4...20 mA HART
26 Endress+Hauser
6.2.2 Locking/unlocking operation
Once you have entered all the parameters, you can lock your entries against unauthorized and
undesired access.
If operation is locked by means of the DIP switch, you can only unlock operation again by means
of the DIP switch. If operation is locked by means of the operating menu, you can only unlock
operation again using the operating menu.
Locking/unlocking via DIP switches
DIP switch 1 on the electronic insert is used to lock/unlock operation.
ä 24, "Function of the DIP switches".
6.3 Operation with an operating menu
6.3.1 Operation concept
The operation concept makes a distinction between the following user roles:
6.3.2 Structure of the operating menu
User role Meaning
Operator Operators are responsible for the devices during normal "operation". This is usually limited to
reading process values either directly at the device or in a control room. If the work with the
devices extends beyond value read-off tasks, the tasks involve simple, application-specific
functions that are used in operation. Should an error occur, these users simple forward the
information on the errors but do not intervene themselves.
Service
engineer/technician
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 product life cycle, but their device requirements
are often extremely high. Individual parameters/functions from the overall functionality of the
devices 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).
"Experts" can avail of the entire parameter set.
User role Submenu Meaning/use
Operator Language Only consists of the "Language" parameter (000) where the operating
language for the device is specified.
The language can always be changed even if the device is locked.
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