Rockwell Automation PLC-5 Fieldbus Solutions for Integrated Architecture User Manual - Manual (Page 192)

Publication 1757-UM006A-EN-P - May 2002
A-12 Standard Function Block Parameters
Table A.31 DISC_LIM
Table A.32 DISC_PRI
Table A.33 DV_HI_ALM
Classification Simple Variable
Description Identifies state of discrete input that will generate an alarm.
FF Data Type Unsigned 8
Range PV state
Usage C/Contained
Length 1
Valid Views VIEW_4
Storage Static
Classification Simple Variable
Description Identifies the priority of the discrete alarm.
FF Data Type Unsigned 8
Range 0 to 63
Usage C/Alert Priority
Length 1
Valid Views VIEW_4
Storage Static
Classification Record
Description Identifies the status and time stamp associated with the high 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