Rockwell Automation PLC-5 Fieldbus Solutions for Integrated Architecture User Manual User 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