Omron CX-INTEGRATOR - V1.1, Руководство по эксплуатации

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9-1 Controller Link Network Diagnostic Tool
9-1-5 Diagnosing Transmission Status
spreadsheet software.
•
To clear the counters, select Diagnose – Clear Disconnection Counter from the
Main Menu.
•
The counter information inside the Controller Link Unit/Board at each node will be
cleared and the Time of beginning disconnection data recording will be set to the
time the counters were cleared.
Note The Time of beginning disconnection data recording is the time that recording
disconnection information was started. This will be the time the power supply was
turned ON to the node, the time the Unit at the node was restarted, or the time the
disconnection counters were cleared.
9-1-5 Diagnosing Transmission Status
Transmission Status Diagnosis
The transmission status counters for all nodes participating in the specified network
can be displayed.
Diagnosing Transmission Status
Select Diagnose – Transmission Status from the Main Menu.
Transmission Status Results Example
•
The transmission status counters, which measure transmissions for each node, are
displayed.
•
The following counter items are displayed.
Item Description
Number of CRC
errors Displays the number of CRC errors. CRC errors are counted for transmission errors, including
those caused by cable faults, contact faults, incorrect terminating resistance settings, etc.
Number of
token re-sends Displays the number of times a failure occurred in passing the token to the next node.
Token resends are counted for transmission errors, including those caused by cable faults,
contact faults, incorrect terminating resistance settings, etc.
Number of
token returns Displays the number of times that the token was returned to the polling node because of
continuous failures even when the token was resent.
Token returns are counted for transmission errors, including those caused by cable faults,
contact faults, incorrect terminating resistance settings, etc.
Number of
token timeouts Displays the number of times the token did not return to the local node even after a specified
period of time.
Number of
polling timeouts Displays the number of times the local node was not polled even after a specified period of
time.
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