Application control commands – Rockwell Automation 1336T Function Block Prog. Manual, Series A/B User Manual

Page 146

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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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