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Link write, Plc block transfer instruction data, Message operation – Rockwell Automation 1336T PLC Comm. Adapter, Series B, FRN 2.xx-3.xx User Manual

Page 185: Example, Parameter link clear

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7–39

Publication 1336 FORCE–5.13 –– September, 1998

The Parameter Link Clear message deletes all user–configured
parameter links in the drive.

PLC Block Transfer Instruction Data

BTW instruction length:

4 words

BTR instruction length:

3 words

Message Length

4

Header

Word 1

Header

Word 1

PLC Decimal Value

-30464

Header

Word 2

Header

Word 3

Header

Word 2

Header

Word 3

0

1

Data

Word 4

PLC Decimal Value

2304 –– Message OK

0

-30464 –– Message Error

0

Message Structure

PLC Request –– Block Transfer Write

Drive Response –– Block Transfer Read

Message Operation

When this request is sent to the drive, all drive parameter links that
you configured are deleted.

If an error has occurred, word 2 of the BTR returns -30464.

Example

In this example, a Parameter Link Clear request was sent through the
BTW. The BTR was only required to check for an error.

1

0

N10:0

2

3

4

5

6

7

8

9

N10:90

BTW
Data File

BTR
Data File

Data Format

0

1

0

4

0

-30464

2304

Link Write

Parameter Link Clear