Application control commands – Rockwell Automation 1336T Function Block Prog. Manual, Series A/B User Manual
Page 146
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5–30
Block Transfer Services
1336 FORCE — 5.9 August 1995
The Download Service Init message initializes the download service.
PLC Block Transfer Instruction Data
BTW Instruction Length:
3 Words
BTR Instruction Length:
4 Words
PLC Decimal Value
-28924
16384
Message Structure
PLC Request –– Block Transfer Write
Header Word 1
Header Word 2
Header Word 3
Header
Word 1
PLC Decimal Value
3844 –– Message OK
16384
–28924 –– Message Error
Header
Word 2
Header
Word 3
0
0
Drive Response –– Block Transfer Read
Status Word
Data
Word 4
Message Operation
The Download Service Init message is available for you to use when
you need to initialize the download service.
Application Control
Commands:
Download Service Init
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