Rockwell Automation 1336T ControlNet Frn1.02 Rev 1.5 - Manual (Page 118)

4–76 Using Unscheduled Messaging
Publication 1336 FORCE–5.18 ––March, 1999
The following are the valid trend numbers:
This
number:
Specifies that the command is to be sent for:
4096 Trend 1
8192 Trend 2
12228 Trend 3
16384 Trend 4
The offset specifies where in the buffer you want to start reading the
32 data points. For example, if you specify an offset of 64, the Run
File Data function returns the 32 data samples starting from data
sample 64.
If you specify an offset of zero, then the PMR message has the
following format:
Header
Word 1
Header
Word 2
Header
Word 3
Trend Number
PLC Decimal Value
4100 –– Message OK
–28668 –– Message Error
Message Length
35
Drive Response –– PLC Message Read
Data
Word 9
Data Sample 1
Data
Word 10
Data Sample 2
•
•
Data
Word 34
Data Sample 26
Data
Word 35
Data Sample 27
•
•
•
•
•
•
•
•
•
•
Timestamp
2ms Ticks
Timestamp
Seconds
Timestamp
Minutes
Timestamp
Hours
Data
Word 5
Data
Word 6
Data
Word 7
Data
Word 8
Data
Word 4
Index
Run File Data
(continued)