Fault queue, Plc block transfer instruction data, Message operation – Rockwell Automation 1336T PLC Comm. Adapter, Series B, FRN 2.xx-3.xx User Manual
Page 166: Example, Trip fault queue number
7–20
Publication 1336 FORCE–5.13 –– September, 1998
The Trip Fault Queue Number message provides the fault queue
number of the fault that caused the drive to trip.
PLC Block Transfer Instruction Data
BTW instruction length:
3 words
BTR instruction length:
4 words
Message
3
Header
Word 1
Header
Word 1
PLC Decimal Value
1793
Header
Word 2
Header
Word 3
0
PLC Decimal Value
1793 –– Message OK
Header
Word 2
Header
Word 3
0
-30975 –– Message Error
Header
Word 4
Fault Queue Size
Message Structure
0
PLC Request –– Block Transfer Write
Drive Response –– Block Transfer Read
Message Operation
The Trip Fault Queue Number function provides the entry number of
the fault in the fault queue that tripped the drive The BTR response
contains that number in word 4. The Fault Queue Number is 0 when
the drive is not faulted.
If an error has occurred in the block transfer, word 2 of the response
will be -30975.
Example
In this example, the first entry in the drive fault queue has caused the
drive to trip. Word 4 of the BTR indicates the entry number.
1
0
N10:10
2
3
4
5
6
7
8
9
N10:90
BTW
Data File
BTR
Data File
Data Format
0
0
1
3
0
1794
1794
➀
➀
These values vary depending on parameters and products.
Fault Queue
Trip Fault Queue Number