S&C Instruction Sheet 1041-550
27
IntelliLINK
This screen includes the following fields:
Date/Time
This is the date and time when the event occurred.
Reason for Communications Malfunction
This is the reason that communications was not achieved. If a message malfunctions at
the data link layer of PG&E SCADA, one of the following messages appears (including
the port if applicable):
•
“Packet CRC Error”
•
“Internal: Bad UART interrupt”
•
“Packet size inconsistent with command”
•
“Packet size illegal”
•
“Packet size too small for this command”
•
“Packet contains bad characters/framing”
One of the following messages appears for application layer events:
•
“Invalid function code or command received”
•
“Control requested on invalid channel”
•
“Channel not selected before operate”
•
“Control selection timed out”
•
“Control selection followed by non-operate”
•
“Unsupported ordinal read/write request”
•
“Ordinal read from/write to invalid memory”
•
“Scan request contains bad sequence number”
•
“Scan by table request w/bad table number”
•
“Control requested while in LOCAL mode”
•
“Switch not ready for one-shot to lockout”
Fnc
This is the PG&E SCADA function code for this communications malfunction. It can
provide additional information about the packet received. For more details, see PG&E
SCADA protocol documentation.
Cmd
This is the PG&E SCADA command code for this communications malfunction. It can
provide additional information about the packet received. For more details, see PG&E
SCADA protocol documentation.
The
TROUBLESHOOTING: Various Counters
screen (Figure 12) contains counters and
statistics associated with DNP communications.
To display the TROUBLESHOOTING: Various Counters screen:
Click the
Troubleshooting
button at any IntelliLINK screen, then click the
Various
Counters
button.
Various Counters
Summary of Contents for 5800 Series
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