User Manual Owner's manual

Publication 1757-UM006A-EN-P - May 2002
Standard Function Block Parameters A-25
Table A.67 LO_ALM
Table A.68 LO_LIM
Table A.69 LO_LO_ALM
Length
1
Valid Views
VIEW_4
Storage
Static
Classification
Record
Description
Represents the status of the low alarm and its associated time stamp.
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
Classification
Simple Variable
Description
Defines the setting for the low alarm in engineering units.
FF Data Type
Float
Range
- Infinity, PV_SCALE
Usage
C/Contained
Length
4
Valid Views
VIEW_4
Storage
Static
Remarks
Initial value is - Infinity
Classification
Record
Description
Represents the status of the low low alarm and its associated time stamp.
FF Data Type
DS-71
Usage
C/Alarm