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5. Configuration
5.2. Non-Experion Interface Precautions
118
Experion PKS Series A Fieldbus Interface Module User's Guide
R400
Honeywell
July
2010
Are you Ready?
Once you have addressed all the questions in this section, you are ready to move on to
the next section
Configuring Fieldbus Components
. At this point, you should have at
least a working knowledge of the Control Builder application.
5.2 Non-Experion Interface Precautions
You can use available
non-Experion
handheld
and
standalone
Fieldbus
interfaces
to
change parameters in Fieldbus devices. These interfaces are particularly useful for bench
configuration and calibration functions. You can connect third-party interfaces to the
Fieldbus network through one of the four data link visitor addresses (252 to 255)
reserved for them. While some interface products appear to successfully co-exist with the
Experion Fieldbus Interface Module, others may impede or disrupt the ability to perform
some system operations. Be sure you review the following precautions before using a
non-Experion interface with Fieldbus devices in an Experion system.
CAUTION
Why you need to be very careful when using non-Experion
handhelds and non-Experion standalone Fieldbus interfaces with
devices in an Experion system:
They
do not honor Experion access rights
and they
may or
may not have their own independent personnel access control
mechanisms.
They
do not record changes in Experion event log files
and
they may or may not have their own independent change
recording mechanisms.
If they are used to
change the values of parameters
, the
stored values for those parameters may
not
be updated in the
Experion Control Builder "Monitor" or "Project" databases. In
this case, a reload of the device may result in loss of changed
values. Users are responsible for uploading and/or updating
Experion databases manually to maintain up-to-date values.
They
might
be able to affect the configuration of Fieldbus
devices
beyond the control of Experion systems. The
alternations could include changes to link publication
schedules, backup link publication schedules, function block
execution schedules, function block connections, tag names,
and so on. Users are responsible for making sure that no
alteration could occur from using a non-Experion interface,
since Honeywell
cannot
guarantee that an alteration will
not
occur.
Only highly trained individuals
who completely understand
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