Rockwell Automation 1336T ControlNet Frn1.02 Rev 1.5 - Manual (Page 70)

4–28 Using Unscheduled Messaging
Publication 1336 FORCE–5.18 ––March, 1999
The Warning Clear message issues either a Clear Fault/Warning
command or a Clear Warning Queue command to the drive.
PLC Block Transfer Instruction Data
PLC Message Write instruction length: 4 words
PLC Message Read instruction length: 4 words
Header
Word 1 Header
Word 1
PLC Decimal Value
-30720
Header
Word 2 Header
Word 2
Data
Word 3
PLC Decimal Value
2048 –– Message OK
0
-30720 –– Message Error
Message Structure
Message Length
4
0
Header
Word 3
0
Header
Word 4
PLC Request –– PLC Message Write
Not Used
Warning Command
Clear Fault/Warning
Clear Warning Queue
EE Command Value
00
01
02
Message Request
This bit indicates the status of the
request.
Message OK
Warning Command RET
Message Error
Value
0
1
Message Request
Data
Word 4
This bit indicates the status of the
response.
EE Command
Drive Response –– PLC Message Read
Message Operation
The Warning Clear function specified in the PMW sends a warning
fault handling request to the drive. Word 4 of the PMW defines
which handling option is requested:
•
If word 4 has a value of 1, this message clears the last fault.
•
If word 4 has a value of 2, this message clears the entire warning
fault queue.
If an error has occurred in the request, word 2 of the PMR returns a
value of -30975. Word 4 of the PMR responds to the request of
PMW word 4.
Warning Queue
Warning Clear