Emerson Rosemount 752 FOUNDATION, Справочное руководство

Страница: 44 / 48

Block Information
January 2018
Reference Manual
00809-0100-4377, Rev CA
Block Information
38
Alarm detection
A block alarm will be generated whenever the BLOCK_ERR has an error bit set. The types of block error for the resource block
are defined above. A write alarm is generated whenever the WRITE_LOCK parameter is cleared. The priority of the write
alarm is set in the following parameter:

WRITE_PRI
Status handling
There are no status parameters associated with the resource block.
Table B-3. Alarm Priority Levels
Number Description
0 The priority of an alarm condition changes to 0 after the condition that caused the alarm is corrected.
1 An alarm condition with a priority of 1 is recognized by the system, but is not reported to the operator.
2 An alarm condition with a priority of 2 is reported to the operator, but does not require operator attention (such as
diagnostics and system alerts).
3-7 Alarm conditions of priority 3 to 7 are advisory alarms of increasing priority.
8-15 Alarm conditions of priority 8 to 15 are critical alarms of increasing priority.