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Reference Manual
00809-0400-4728, Rev AA
June 2011
3-7
Rosemount 644
FAILED_MASK
This parameter will mask any of the failed conditions listed in
FAILED_ENABLED. A bit on means that the condition is masked out from
alarming and will not be reported.
FAILED_PRI
Designates the alerting priority of the FAILED_ALM, see “Alarm Priority”
on page 3-13. The default is 0 and the recommended value are between 8
and 15.
FAILED_ACTIVE
This parameter displays which of the alarms is active. Only the alarm with
the highest priority will be displayed. This priority is not the same as the
FAILED_PRI parameter described above. This priority is hard coded within
the device and is not user configurable.
FAILED_ALM
Alarm indicating a failure within a device which makes the device
non-operational.
MAINT_ALARMS
A maintenance alarm indicates the device or some part of the device
needs maintenance soon. If the condition is ignored, the device will
eventually fail. There are five parameters associated with
MAINT_ALARMS, they are described below.
MAINT_ENABLED
The MAINT_ENABLED parameter contains a list of conditions indicating
the device or some part of the device needs maintenance soon.
Below is a list of the conditions with the highest priority first.
1. Primary Value Degraded
2. Secondary Value Degraded
3. Diagnostic
4. Configuration Error
5. Calibration Error
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, “Process
Alarms” on page 3-12. 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.