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Reference Manual
00809-0100-4697, Rev EA
October 2011
3-13
Rosemount 848T
Table 3-6. Maintenance
Alarms/Priority Alarm
MAINT_MASK
The MAINT_MASK parameter will mask any of the failed conditions listed
in MAINT_ENABLED. A bit on means that the condition is masked out
from alarming and will not be reported.
MAINT_PRI
MAINT_PRI designates the alarming priority of the MAINT_ALM, Table 3-4
on page 3-11. The default is 0 and the recommended values is 3 to 7.
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.
Alarm Priority
Sensor 8 Degraded 1
Sensor 7 Degraded 2
Sensor 6 Degraded 3
Sensor 5 Degraded 4
Sensor 4 Degraded 5
Sensor 3 Degraded 6
Sensor 2 Degraded 7
Sensor 1 Degraded 8
Body Temperature Out of Range 9
CJC Degraded 10
Alarm Priority
PWA Simulate Active 1
Excessive Deviation 2
Excessive Rate of Change 3