Allen-Bradley Bulletin 1203 Series User Manual page 67

Trip Fault Queue Number
PLC request
N10:0
Drive response N10:90
* Example only – These values vary depending on parameters and products.
The Trip Fault Queue Number provides the fault queue number of
the fault that caused the device to trip.
PLC Block Transfer Emulation Instruction Data
PLC request instruction length: 3 words
Drive response instruction length: 4 words
Message Structure
PLC Request
Message Length
Header Word 1
3
PLC Decimal Value
Header Word 2
1794
0 Header Word 3
Message Operation
The Trip Fault Queue Number function provides the number of the
entry in the fault queue that tripped the device in word 4 of the drive
response. The Fault Queue Number is 0 when the device is not
faulted.
If an error has occurred in the block transfer, word 2 of the response
is negative.
Example
In this example, the device has stored a fault in the first entry of the
Fault Queue that caused the drive to trip. Word 4 of the response
indicates the entry number.
Data File Format
0 1 2
3 1794 0
6 1794 0 1*
Block Transfer Emulation Instructions
Message Length
PLC Decimal Value
1794 –– Message OK
–30984 –– Message Error
Number of Trip Fault
3 4 5
5–19
Drive Response
Header
4 Word 1
Header
Word 2
Header
0
Word 3
Header
Word 4
6 7 8 9
1203–5.5 September 1995