Emerson Process Management 3144P Marine Instruments User Manual


 
Reference Manual
00809-0100-4021, Rev DA
November 2004
Rosemount 3144P
4-8
FOUNDATION Fieldbus
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. Configuration Error
4. 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 4-17. 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.
1. NV Writes Deferred
2. SPM Process Anomaly detected
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
“Process Alarms” on page 4-17. The default is 0 and the recommended
values are 1 or 2.