Trend file – Rockwell Automation 1336T PLC Comm. Adapter, Series B, FRN 2.xx-3.xx User Manual
Page 219

7–73
Publication 1336 FORCE–5.13 –– September, 1998
The Stored File Data function allows you to read the data values in
the stored data file buffer when the trigger condition occurs.
PLC Block Transfer Instruction Data
BTW instruction length:
3 words
BTR instruction length:
35 words
Header
Word 1
Header
Word 1
Header
Word 2
Header
Word 2
Header
Word 3
Trend Number
Message Structure
PLC Decimal Value
4101
PLC Decimal Value
4101 –– Message OK
–28667 –– Message Error
Message Length
3
Message Length
35
PLC Request –– Block Transfer Write
Drive Response –– Block Transfer Read
Data
Word 4
Data Sample 1
Data
Word 5
Data Sample 2
•
•
Data
Word 34
Data Sample 31
Data
Word 35
Data Sample 32
•
•
•
•
•
•
•
•
•
•
Header
Word 3
Offset
Trend
Number
(Bits 0 –11)
Message Operation
You can use the Stored File Data function to read the data points in
the stored buffer within the drive for the specified trend file.
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
Trend File
Stored File Data