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 desig nates the alarming pr iority 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 de vice and is not user configurable.
MAINT_ALM
An alarm indicating the device need s 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