46 S&C Instruction Sheet 1043-550
Category
Event Description
Definition
Log Level
DNP
Receive message buffer full
The transport function receive message buffers are full. These
buffers hold the frame header information and other message
details. The new frame is discarded.
Extended
DNP
Removed deferred read request
A DNP read request that was deferred due to an outstanding
unsolicited message was removed due to reception of a newer
request.
Extended
DNP
Reset peer link received (Source
Address, Action Taken 1=record
reinit 2=reset seq num only 3=new
peer added, N/A, N/A)
A Reset data link frame was received from the reported peer
device.
Extended
DNP
Reset peer link sent (Source
Address, Destination Address,
N/A, N/A)
A Reset data link frame was sent to a peer device in an attempt
to reinitialize peer-to-peer communications.
Extended
DNP
Route could not be added (Route
RTU Address, Route Table Index,
N/A, N/A)
The routing table did not have room for the new route. The
route table will not be initialized.
Extended
DNP
Route entry invalid (Route RTU
Address, Route Table Index,
Problem 1=address 2=port/IP,
N/A)
A problem was found with one of the configured route entries.
The route table will not be initialized until the problem is
corrected.
Extended
DNP
SBO select timer unavailable
(Object Type, N/A, N/A, N/A)
An internal timer was not available to perform the select-
before-operate timing function. The operation request was
aborted.
Extended
DNP
SCADA disabled URBE (Source
Address, URBE Status, N/A, N/A)
Unsolicited Report by Exception processing was disabled over
SCADA.
Extended
DNP
SCADA enabled URBE (Source
Address, URBE Status, N/A, N/A)
Unsolicited Report by Exception processing was enabled over
SCADA.
Extended
DNP
Sequence number mismatch
(Source Address, Destination
Address, Application Control,
N/A)
The application layer found that the sequence number in the
Application Control byte was inconsistent with what was
expected. The fragment was discarded.
Extended
DNP
Set SBO select timer error (Object
Type, Timer Value, N/A, N/A)
An error was detected when attempting to initialize a select-
before-operate timer. The operation request was aborted.
Extended
DNP
Set URBE timer error
An error was detected when attempting to start an internal
timer.
Extended
Data Logging