ProSoft Technology PLX51-DF1-MSG, Руководство пользователя, Страница: 56 / 69

Diagnostics
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To display the captured DF1 packets, the capture process must first be stopped by pressing
the Stop button.
Figure 5.9. - DF1 Packet Capture complete
The captured DF1 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 DF1
constructs and valid checksums.
Dirn The direction of the packet, either transmitted (Tx) or received (Rx).
Src DF1 node address of the message source.
Dest DF1 node address of the message destination.
Description Brief description of the packet, usually the command.
Address The string representing a PLC data address, where applicable.
Detail Additional details associated with command.
TNS Transaction number. Used to match request and reply messages.
Data The packet’s raw data displayed in space delimited hex.
Table 5.6. - DF1 Packet Capture fields