TM
Page 27
Reference manual Foundation Fieldbus Control module
DOC.RM.QC34.E Rev: A
October, 2006
4.2.5.2 Alert parameter describtion.
1 Alerts - Enabled
These parameters are used to enable the indica-
tion and reporting of each corresponding alert.
When a alert is disabled, the device shall not
detect that particular alert, it shall not be indicated
in the (FAILED_ACTIVE, MAINT_ACTIVE or
ADVISE_ACTIVE parameters or be reported via
respectively Failed Alerts, Maintenance Alerts or
Advisory Alerts.
If an alert enable parameter is changed to ‘dis-
abled’ while the alert is active, it shall clear the
alert and re-evaluate the alert. (Writable, only
affects the applicable condition modified. When set
the condition will not be indicated or reported).
2 Alerts - masked:
These parameters will mask any of the failed
conditions listed in respectively Failed Alerts,
Maintenance Alerts or Advisory Alerts.
Setting a bit to true, will cause the corresponding
alert to be indicated in the (FAILED_ACTIVE,
MAINT_ACTIVE or ADVISE_ACTIVE parameters
but it will not be reported to the host via Failed
Alerts, Maintenance Alerts or Advisory Alerts.
If an alert mask is changed while the alert is active,
the alert is cleared and all the conditions are
reevaluated. (Writable, only affects the applicable
condition modified. When set the condition will be
indicated however, it will not be reported).
3 Alerts - Priority:
Designates the priority of the Failed, Maintenance
or Advisory Alerts. The default is 2 and the recom-
mended value is between 10 and 15. (Writable,
changes the priority of the applicable alert).
4 Alerts - Active:
These parameters displays which of the conditions
within the Failed, Maintenance or Advisory
Alerts is active. When a device detects a condition
has become active, it shall set the corresponding
bit in the Failed, Maintenance or Advisory Alerts
- Active parameters. If it is not suppressed, it will
be reported using the associated alert parameter.
(Read Only)
5 Alert Alarm:
These parameter are used to report the particular
failed condition to the host. (Read Only). For
parameter structure see table 4.2.
