Table 8-19: Definitions of AI Function Block System Parameters
(continued)
Parameter Index number Units Description
ALARM_SEL 38 None Used to select the
process condition alarms
that will cause the OUT_D
parameter to be set.
ALARM_SUM 22 None The summary alarm is
used for all process
alarms in the block. The
cause of the alert is
entered in the Subcode
field. The first alart to
become active will set the
Active status in the Status
parameter. As soon as
the Unreported status is
cleared by the alert
reporting task, another
block alert may be
reported without clearing
Active status if the
subcode has changed.
ALERT_KEY 04 None The identification number
of the plant unit. This
information may be used
in the host for sorting
alarms, etc.
BLOCK_ALM 21 None The block alarm is used
for all configuration,
hardware, connection
failure, or system
problems in the block.
The cause of the alert is
entered in the Subcode
field. The first alert to
become active will set the
Active status in the Status
parameter. As soon as
the Unreported status is
cleared by the alert
reporting task, another
block alert may be
reported without clearing
Active status if the
subcode has changed.
BLOCK_ERR 06 None This parameter reflects
the error status
associated with the
hardware or software
components associated
with a block. It is a bit
string, so that multiple
errors may be shown.
FOUNDATION
™
Fieldbus Manual
December 2022 00809-0500-4880
148 Emerson.com/Rosemount
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