User Manual Owner's manual

Publication 1757-UM006A-EN-P - May 2002
Standard Function Block Parameters A-13
Table A.34 DV_HI_LIM
Table A.35 DV_HI_PRI
Table A.36 DV_LO_ALM
Classification
Simple Variable
Description
Defines the high deviation alarm limit setting in engineering units.
FF Data Type
Float
Range
0 to PV Span, + infinity
Usage
C/Contained
Length
4
Valid Views
VIEW_4
Storage
Static
Remarks
Initial value is + infinity
Classification
Simple Variable
Description
Defines priority of the high deviation alarm.
FF Data Type
Unsigned 8
Range
0 to 63
Usage
C/Alert Priority
Length
1
Valid Views
VIEW_4
Storage
Static
Remarks
Initial value is 0
Classification
Record
Description
Identifies the status and time stamp associated with the low deviation alarm.
FF Data Type
DS-71
Usage
C/Alarm
Length
16
Storage
Dynamic
Remarks
Read Only
The Data type consists of data that describes floating point alarms. It uses the
following five elements.
• Unacknowledged
• Alarm State
• Time Stamp
• Subcode
• Value