Rockwell-automation 1336T Function Block Prog. Manual, Series A/B Manuel d'utilisateur Page 151

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5–35Block Transfer Services
1336 FORCE — 5.9 August 1995
The Read Block Link message reads the link information for an entire
block.
PLC Block Transfer Instruction Data
BTW Instruction Length: 3 Words
BTR Instruction Length: 36 Words
0
Header
Word 1
Header
Word 1
80ID
0F06
80ID
Parameter Number
Message Structure
Header
Word 2
Header
Word 3
Header
Word 2
Header
Word 3
0
PLC Request –– Block Transfer Write
Drive Response –– Block Transfer Read
Packet Number
Data
Word 4
Node 0 Source
Node 0 File Number
Data
Word 5
Data
Word 6
Node 15 Source
Data
Word 35
Node 1 Source
Node 1 File Number
Data
Word 7
Data
Word 8
Node 15 File Number
Data
Word 36
PLC Decimal Value
0F06 –– Message OK
8F06 –– Message Error
Hex
ID = block ID number
0
Message Operation
The Read Block Link message reads the source nodes that are linked
to the specified block. The returned message packet contains 33 data
buffer words, and is always padded with zeros to length.
Currently, the packet number must be zero.
Currently, you can disregard the file number.
Node Adjustment:
Read Block Link
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