Product specifications

Device Management FOUNDATION Fieldbus
288 3BDS011222-510 B
– Configure FF alarms and events for each block.
11. For each FF device which shall support FF alarms and events enable this
feature following the procedure below:
a. Open the Properties dialog of the resource block.
b. Check the “Reports” bit of the FEATURE_SEL parameter.
c. Configure the parameter LIM_NOTIFY.
This parameter defines the maximum number of alarms the device sends
out an event notification for, without receiving a confirmation.
LIM_NOTIFY may equal MAX_NOTIFY.
If LIM_NOTIFY is set to zero, no alerts are reported.
d. Configure the parameter CONFIRM_TIME.
This parameter defines the timeout for confirmation. The alarm
notification will be resent, if the device has not received a confirmation
within the specified time. Recommended value: 320000 [1/32 ms], which
is 10 seconds.
12. Set the values for the following parameters which are relevant for the general
alarm configuration in Advanced > Properties view of the Block Properties
dialog:
a. ALARM_SUM
This parameter is used to selectively deactivate alarms for the block.
b. STATUS_OPTS (optional)
If a block contains the parameter STATUS_OPTS, the "Propagate Fault
Forward" bit must be unchecked to enable alarms.
Block alarms will be reported regardless of this option.
c. ALERT_KEY
This parameter is used as 800xA area information.
d. ACK_OPTION
This parameter defines the user acknowledge behavior for the alarms of
the block.
13. Configure alarm points for FF Process alarms by setting the following
parameters in Advanced > Properties view of the Block Properties dialog:
a. the alarm hysteresis (ALARM_HYS),