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6.13 Option 6: Node Error Statistics
Figure 27 Node Error Statistics
MODBUS PLUS NETWORK STATUS version 2.10
Node Error Counters, Press SPACE to clear.
Adapter: 1
Success: 182
Failure: 0
Information from node 5 (05.00.00.00.00)
0 Pre-transmit deferral error counter
0 Receive buffer DMA overrun error counter
0 Repeated Command received error counter
0 No Try (nonexistent station) error counter
0 Cable A framing error
0 Cable B framing error
0 Receiver CRC error counter
0 Bad packet length error counter
0 Transmit buffer DMA underrun error counter
0 Bad internal packet-length error counter
0 Bad MAC-function-code error counter
0 Communication failed error counter
244 Good receive packet success counter
0 No response received error counter
0 Exception response received error counter
0 Unexpected path error counter
0 Unexpected response error counter
0 Forgotten transaction error counter
This option continuously queries the specified node for a list of its error statistics
and displays the list. As the test runs, the counts in the display can be reset to
zeros by pressing the Space bar.
If you are running the utility on a single-cable network, one of the ‘framing error’
counters will be incrementing continuously due to the open connection on the
monitoring device’s other cable connector. For example, if your single cable is
connected to the Cable A connector, the ‘Cable B framing error’ counter will
increment continuously. In such cases you can disregard the counter.
The option runs continuously and displays a pass count until you terminate it by
pressing Escape.