Rockwell Automation PLC-5 Fieldbus Solutions for Integrated Architecture User Manual - Manual (Page 205)

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