B–18 Supported Block Transfer Messages
Fault Queue Entry Read Full
Fault Queue Entry Read Full reads the contents of the specified
fault queue entry. A message is returned which includes the fault text
and fault code associated with the fault. The 1336 FORCE drive also
returns the time stamp associated with the fault.
PLC Block Transfer Instruction Data
PLC request instruction length: 3 words
Drive response instruction length: 12 or 16 words
Figure B.12 Message Structure
➀
For Warning Queue Read Full messages, the PLC decimal value is 2048.
➁
For Warning Queue Read Full messages,
a message OK returns 2048, and a message
error returns -30720.
➂
Other drives return zeros.
Header
Word 0
PLC Decimal Value
➀
1792
Header
Word 1
Header
Word 2
PLC Request
Header Word 0
Header Word 1
Header Word 2
Message Length
Message Length
PLC Decimal Value
➁
Fault Queue
Drive Response
Fault Queue
3
Entry Number
12 or 16
Data
Word 3
Fault Text
Char 2 Char 1
Data
Word 4
Char 4 Char 3
Data
Word 5
Char 6 Char 5
Data
Word 6
Char 8 Char 7
Data
Word 7
Char 10 Char 9
Data
Word 8
Char 12 Char 11
Data
Word 9
Char 14 Char 13
Data
Word 10
Char 16 Char 15
1792 — Message OK
–30976 — Message Error
Entry Number
Data
Word 11
Fault Code Value
Data
Word 12
Clock
SES REF
Data
Word 13
Hour Minute
Data
Word 14
Date Day
Data
Word 15
Ye a r M o n t h
1336 FORCE
Drive Only
➂
Time
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