Rockwell Automation 1336T PLC Comm. Adapter, Series B, FRN 2.xx-3.xx - Manual (Page 178)

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Publication 1336 FORCE–5.13 –– September, 1998
The Scattered Parameter Link Read message returns a list of up to 30
links in the source-to-sink order found in the drive. The links do not
have to be in consecutive order.
PLC Block Transfer Instruction Data
BTW instruction length: 5-63 words
BTR instruction length: 5-63 words
Message Length
5-63
Header
Word 1
PLC Decimal Value
5
Header
Word 2
Data
Word 3
PLC Decimal Value
5 –– Message OK
-32763 –– Message Error
Data
Word 4
Number of Parameter
Links to Read
Parameter Number
1
Number of Parameter
Links to Read
Parameter
Number 1
Data
Word 6
Parameter Number
2
•
•
• •
Data
Word 62
Parameter Number
30
Bit 15
Parameter
Number 2
Bit 15
•
•
Data
Word 63
Parameter
Number 30
Bit 15
Data
Word 7
Data
Word 5
Data
Word 63
Message Structure
0
0
•
0
•
•
Data
Word 7
Data
Word 6
Data
Word 5
Data
Word 4
Data
Word 3
Header
Word 2
Header
Word 1
0
•
•
Data
Word 62
Source Parameter
Number 1
Source Parameter
Number 2
Source Parameter
Number 30
PLC Request –– Block Transfer Write
Drive Response –– Block Transfer Read
•
Message Operation
The Scattered Parameter Link Read function requested in the BTW
reads up to 30 non-consecutive links made in the drive. You request
the desired link information by defining the sink parameters in the
BTW message.
Link Read
Scattered Parameter Link Read