Emerson Rosemount 848T, Reference Manual, Page: 42 / 136

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Reference Manual
00809-0100-4697, Rev GA
Section 3: Configuration
November 2014
Configuration
MAINT_ACTIVE
The MAINT_ACTIVE parameter displays which of the alarms is active. Only the condition
with the highest priority will be displayed. This priority is not the same as the MAINT_PRI
parameter described above. This priority is hard coded within the device and is not user
configurable.
MAINT_ALM
An alarm indicating the device needs maintenance soon. If the condition is ignored, the
device will eventually fail.
Advisory alarms
An advisory alarm indicates informative conditions that do not have a direct impact on the
device's primary functions. There are five parameters associated with ADVISE_ALARMS, they are
described below.
ADVISE_ENABLED
The ADVISE_ENABLED parameter contains a list of informative conditions that do not have
a direct impact on the device's primary functions. Below is a list of the advisories with the
highest priority first.
Note
Alarms are only prioritized if Multi-Bit Alerts are disabled. If MBA is enabled, all alerts are visible.
ADVISE_MASK
The ADVISE_MASK parameter will mask any of the failed conditions listed in
ADVISE_ENABLED. A bit on means the condition is masked out from alarming and will not
be reported.
ADVISE_PRI
ADVISE_PRI designates the alarming priority of the ADVISE_ALM, see Table 3-4 on page 31 .
The default is 0 and the recommended values are 1 or 2.
ADVISE_ACTIVE
The ADVISE_ACTIVE parameter displays which of the advisories is active. Only the advisory
with the highest priority will be displayed. This priority is not the same as the ADVISE_PRI
parameter described above. This priority is hard coded within the device and is not user
configurable.
ADVISE_ALM
ADVISE_ALM is an alarm indicating advisory alarms. These conditions do not have a direct
impact on the process or device integrity.
Alarm Priority
Excessive Deviation 1
Excessive Rate of Change 2
Check 3