3. Fieldbus Integration With Experion System
3.6. Notification Scheme
72 Experion PKS Series A Fieldbus Interface Module User's Guide R400
Honeywell July 2010
Processor ones. But, the fieldbus devices themselves own their alarm data and generate
the alarms, clears, and events.
Fieldbus devices use 0 to 15 as numeric priorities for alarm reporting. Experion alarms
use Journal, Low, High and Urgent as priorities with a sub-priority of 0 to 255. The
following table shows how fieldbus priorities are mapped to Experion priorities and
severities.
Fieldbus Alarm Priority Experion Alarm Priority Experion Alarm Severity
0
(Can never be seen by
FIM or above)
(Can never be seen by
FIM or above)
1
(Can never be seen by
FIM or above)
(Can never be seen by
FIM or above)
2
BLOCK_ERR bit 14
(power-up)
BLOCK_ERR bit 15 (Out-
of-Service)
Journal
(Event System Only)
2
2
All other bitstring
indications:
(BLOCK_ERR bits 0-13,
XD_ERROR bits 16-25)
System Level Diagnostic
(High)
2
2 (User selected) Journal 2
3 Low 3
4 Low 4
5 Low 5
6 Low 6
7 Low 7
8 High 8
9 High 9
10 High 10