Rockwell Automation PLC-5 Fieldbus Solutions for Integrated Architecture User Manual - Manual (Page 191)

Publication 1757-UM006A-EN-P - May 2002
Standard Function Block Parameters A-11
Table A.28 DD_RESOURCE
Table A.29 DD_REV
Table A.30 DISC_ALM
Classification Simple Variable
Description Identifies the tag of the resource that contains the Device Description for this
resource.
FF Data Type Visible String
Usage C/DD Resource
Length 32
Storage Static
Remarks Read Only
Classification Simple Variable
Description Identifies the revision of the Device Description associated with the resource
so an interface device can locate the DD file for the resource.
FF Data Type Unsigned 8
Usage C/Contained
Length 1
Valid Views VIEW_4
Storage Static
Remarks Read Only
Classification Record
Description Identifies the status and time stamp associated with the discrete alarm.
FF Data Type DS-72
Usage C/Alarm
Length 13
Storage Dynamic
Remarks Read Only
The data type consists of data that describes discrete alarms. It uses the fol-
lowing five elements.
• Unacknowledged
• Alarm State
• Time Stamp
• Subcode
• Value