Trip fault queue number, Plc block transfer emulation instruction data, Message operation – Rockwell Automation 1203 Serial Communications Module Series B User Manual
Page 67: Example

5–19
Block Transfer Emulation Instructions
1203–5.5 September 1995
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
Header
Word 1
PLC Decimal Value
1794
Message Structure
Header
Word 2
Header
Word 3
PLC Request
Header Word 1
Header Word 2
Header Word 3
Message Length
Message Length
PLC Decimal Value
1794 –– Message OK
–30984 –– Message Error
0
Drive Response
3
0
4
Header
Word 4
Number of Trip Fault
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
3
1794
0
* Example only – These values vary depending on parameters and products.
6
1794
0
1*
0
N10:0
N10:90
1
2
3
4
5
6
7
8
9
PLC request
Drive response
Trip Fault Queue Number