11. Appendix B
11.1. Standard Function Block Parameters
426 Experion PKS Series A Fieldbus Interface Module User's Guide R400
Honeywell July 2010
cause of the alarm is entered in the sub-code field. The first
alarm to become active will set the Active status in the
Status attribute. As soon as the Unreported status is
cleared by the alarm-reporting task, another block alarm
may be reported without clearing the Active status, if the
sub-code has changed.
FF Data Type
DS-72
Range
Usage
C/Alarm
Length
13
Valid Views
Storage
Dynamic
Remarks
The data type describes discrete alarms using the following
five elements:
1 Unacknowledged
2 Alarm State
3 Time Stamp
4 Subcode
5 Value
BLOCK_ERR
Classification
Simple Variable
Description
Reflects the error status associated with the hardware or
software components associated with a block. It is a bit
string that can show multiple errors.
FF Data Type
Bit String
Range
Usage
C/Block Error
Length
2
Valid Views
VIEW_1, VIEW_3
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