Diagnostics
Document No. D113-015
Page 54 of 77
Revision 1.9
DNP3 Request Out of Range – High
The DNP3 request has a range that is outside of the implemented
DNP3 bounds for the specific group and variation. This error is
specific to the range being higher than the implemented range.
DNP3 Request Too Many Objects
The Hart 4 module supports a maximum of 10 DNP3 objects in a
single DNP3 request. This statistic indicates that more than 10 DNP3
objects were found in a single request.
DNP3 Message Queue Full
The Hart 4 module has received too many simultaneous messages to
process.
Node Mismatch
The received message node number did not match the Hart 4 module
configured node address.
Select Size Too Large
When the Select/Operate functionality is used the Hart 4 module
supports a maximum of 255 bytes per transaction (or one full DNP3
message).
Select Operate Data Mismatch
The Select/Operate functionality requires that the response to the
Select function matches the Select request.
Table 5.4 – DNP3 statistics
Figure 5.7 - DNP3 Security Statistics
Statistic
Description
Authentication Successes
Increases every time the device successfully authenticates a message.
Session Key Changes
When the session keys have been successfully updated.
Session Key Change Failures
When the session keys have failed to update.
Update Key Changes
The Update Key has changed.
Authentication Failures
The other device has provided invalid authentication information such as
an incorrect MAC.
