Rockwell-automation 1336T ControlNet Frn1.02 Rev 1.5 User Manual Page 65

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4–23Using Unscheduled Messaging
Publication 1336 FORCE–5.18 ––March, 1999
The Fault Clear/Reset message activates one of several fault queue
related functions shown in the message request.
PLC Block Transfer Instruction Data
PLC Message Write instruction length: 4 words
PLC Message Read instruction length: 4 words
Message Length
4
Header
Word 1
Header
Word 1
PLC Decimal Value
-30976
Not Used
PLC Decimal Value
1792 –– Message OK
0
-30976 –– Message Error
0
Fault Command
Clear Fault
Clear Fault Queue
Drive Reset
EE CommandValue
00
01
02
03
Status Word
Message Request
Message Structure
Header
Word 2
Header
Word 3
Data
Word 4
Header
Word 2
Data
Word 3
Data
Word 4
0
PLC Request –– PLC Message Write
Drive Response –– PLC Message Read
Message Operation
The Fault Clear/Reset function specified in the PMW sends a fault
handling request to the drive.
A Clear Fault Request clears the last fault that occurred and
makes the drive available to run.
A Clear Fault Queue clears the entire fault buffer.
A Drive Reset resets the drive and clears any parameters or links
not saved. Parameter information stored in EEPROM is written to
RAM.
If an error has occurred in the block transfer, word 2 of the PMR
returns a value of -30976.
Fault Queue
Fault Clear/Reset
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