Rockwell Automation 1336T PLC Comm. Adapter, Series B, FRN 2.xx-3.xx - Manual (Page 176)

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Publication 1336 FORCE–5.13 –– September, 1998
The Continuous Parameter Link Read message returns a list of up to
60 parameters that are linked to each drive parameter in a
consecutive list.
PLC Block Transfer Instruction Data
BTW instruction length: 4 words
BTR instruction length: 5-64 words
Message Length
4
Header
Word 1 Header
Word 1
PLC Decimal Value
4
Header
Word 2 Header
Word 2
PLC Decimal Value
4 –– Message OK
-327664 –– Message Error
0
Data
Word 5
Number of Parameter
Links to Read
Data
Word 3
Starting Parameter
Number
Data
Word 4
Number of Parameter
Links to Read
Data
Word 3
Starting Parameter
Number
Data
Word 4
Data
Word 6
• Data
Word
Message Structure
• Data
Word
• Data
Word
Data
Word 64
Source Parameter
Number 1
Source Parameter
Number 2
Source Parameter
Number 60
PLC Request –– Block Transfer Write
Drive Response –– Block Transfer Read
Message Operation
The request must specify the number of links to be read and the
starting sink parameter number. The response returns the parameter
number of the source that is linked to each sink parameter. The
response returns links for a consecutive list of sink parameters (up to
60 links). If a parameter is not linked, a value of 0 is returned.
Link Read
Continuous Parameter Link Read