17. Appendix H
17.1. Important Functional Considerations
R400 Experion PKS Series A Fieldbus Interface Module User's Guide 535
July 2010 Honeywell
Function Indication Consideration
Preserve factory
calibration in fieldbus
device.
Fieldbus device is
supplied as Factory
Calibrated.
Calibration parameters should have a
load destination of NOLOAD. Always
initiate device match as
Uncommissioned Device to Project
Device. Use "partial load" when
loading fieldbus blocks. After device
load, do an Upload followed by an
Update to Project to get information
into the Monitor database.
Using Restart with
Defaults to restart a
fieldbus device
through the
RESTART parameter
on the Other tab of its
Resource block
configuration form.
Configuration error
notification for an
associated block, such as
an Analog Input block.
Reload the device block from Project
tab with associated blocks set for Full
instead of Partial Load to restore
Experion default values. For example,
the ALERT_KEY parameter value is
set to 2 or 1.
A Restart with Defaults function
restarts the device with factory default
values instead of Experion ones.
Unassigning Fieldbus
block with RCAS_IN
or ROUT_IN
connection from a
Experion Block. Or,
deleting RCAS_IN or
ROUT_IN connection
from Fieldbus block
and re-wiring it to
block's CAS_IN pin.
The control VCR formed
when the RCAS_IN or
ROUT_IN connection was
made is not removed.
To remove this VCR, you must delete
the Fieldbus block and then recreate it.
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