Link write, Plc block transfer instruction data, Message operation – Rockwell Automation 1336T ControlNet Frn1.02 Rev 1.5 User Manual
Page 86: Example, Parameter link clear
4–44
Using Unscheduled Messaging
Publication 1336 FORCE–5.18 ––March, 1999
The Parameter Link Clear message deletes all user–configured
parameter links in the drive.
PLC Block Transfer Instruction Data
PLC Message Write instruction length:
4 words
PLC Message Read 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 –– PLC Message Write
Drive Response –– PLC Message 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 PMR returns -30464.
Example
In this example, a Parameter Link Clear request was sent through the
PMW. The PMR was only required to check for an error.
1
0
N7:0
2
3
4
5
6
7
8
9
N7:90
PLC MSG
Write File
PLC MSG
Read File
Data Format
0
1
0
4
0
-30464
2304
Link Write
Parameter Link Clear