FD_OFFSPEC_ALM
An alarm indicating that the device operates out of the specified measurement range. If
the condition is ignored, the device will eventually fail.
Maintenance required alerts
A Maintenance required alert indicates that 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 Maintenance Required alerts, they are described below.
FD_MAINT_MAP
The FD_MAINT_MAP parameter contains a list of conditions indicating that the device or
some part of the device needs maintenance soon. The priority is not the same as the
MAINT_PRI parameter described below. It is hard coded within the device and is not user
configurable.
Note that maintenance alarms are not enabled by default for the Rosemount 5900S.
Below is a list of the conditions:
1. Auxiliary Device Measurement Close to Limit
FD_MAINT_MASK
The FD_MAINT_MASK parameter will mask any of the failed conditions listed in
FD_MAINT_MAP. A bit on means that the condition is masked out from alarming and
being broadcast to the host through the alarm parameter.
FD_MAINT_PRI
FD_MAINT_PRI designates the alarming priority of the FD_MAINT_ALM, see
The default is 0 and the recommended values are 3 to 7.
FD_MAINT_ACTIVE
The FD_MAINT_ACTIVE parameter displays which of the conditions is active.
FD_MAINT_ALM
An alarm indicating that the device needs maintenance soon. If the condition is ignored,
the device will eventually fail.
Function Check alerts
A Function Check alert indicates that the device is temporary non-valid due to some
activities, for example maintenance, on the device.
There are five parameters associated with Function Check alerts, they are described below.
FD_CHECK_MAP
The FD_CHECK_MAP parameter contains a list of informative conditions that do not have
a direct impact on the primary functions of the device. Below is a list of the conditions:
1. Check function
Configuration
Reference Manual
September 2019
00809-0100-5900
152
Reference Manual
Summary of Contents for Rosemount 5900S Series
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