Rockwell Automation 1203-EN1 EtherNet/IP-to-SCANport Module - Manual (Page 166)

F-22 Supported Emulated Block Transfer Commands
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
Figure F.12 Trip Fault Queue Number Message Structure
Message Operation
Trip Fault Queue Number provides the number of the entry in the fault
queue that tripped the device in word 3 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 1 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 3 of the response indicates the
entry number.
Trip Fault Queue Number
Header
Word 0
PLC Decimal Value
1794 Header
Word 1
Header
Word 2
PLC Request
Header Word 0
Header Word 1
Header Word 2
Message Length
Message Length
PLC Decimal Value
1794 — Message OK
–30984 — Message Error
0
Drive Response
3
0
4
Number of Trip Fault
Header
Word 3