Diagnostics
Document No. D109-010
Page 90 of 108
Revision 1.15
Figure 7.13. – DNP3 Packet Capture complete
The captured DNP3 packets are tabulated as follows:
Statistic
Description
Index
The packet index, incremented for each packet sent or received.
Time
The elapsed time since the module powered up.
Status
The status of the packet. Received packets are checked for valid DNP3
constructs and valid checksums.
Dirn
The direction of the packet, either transmitted (Tx) or received (Rx).
Src
DNP3 node address of the message source.
Dest
DNP3 node address of the message destination.
DL Ctrl
Data Link layer control.
Part 1
: M
– Master /
S
– Slave
Part 2 :
P->S
: Primary to Secondary /
S->P
: Secondary to Primary
Part 3 :
Frame Count
-
: FCV = 0 (Frame count ignored)
0
: FCV = 1, FCB = 0 (Frame Count = 0)
1
: FCV = 1, FCB = 1 (Frame Count = 1)
Data Link
Data Link function.
Transport
Transport sequence numbers.
Seq
Application sequence numbers
Application
Application Layer
Table 7.9. – DNP3 Packet Capture fields
Содержание A-DNP3R
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