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Item
Displayed informa-
tion
Assumed cause of increase
Possible correction
Collision count
The total number of
delay collisions on
the line after start of
transmissions.
A repeater hub is connected.
You cannot use repeater hubs with
EtherCAT communications. See if
there are repeater hubs connected to
the EtherCAT network and remove
them if there are any.
Short frames re-
ceived
The number of
frames received with
less than 64 bytes.
The frames on the EtherCAT net-
work are corrupted due to noise.
Computers or other non-EtherCAT
devices are connected.
Overlength frames
received
The number of
frames received with
more than 1,522
bytes.
The frames on the EtherCAT net-
work are corrupted due to noise.
Computers or other non-EtherCAT
devices are connected.
Precautions for Correct Use
Even if communications are normal, values other than 0 may occur for the frame reception
timeout count and the number of CRC error frames received. Refer to
on page 9-3 to determine if the EtherCAT network is operating normally.
Slave Diagnostic and Statistical Information
The following are the items displayed for the slave diagnostic and statistical information.
Item
Displayed information
Node Address|Net-
work configuration
EtherCAT network configuration of the project
Node Address
Node addresses of the EtherCAT slaves
Port Name
Port names of the EtherCAT slave input or output ports
Port names that are defined in the EtherCAT slave’s ESI file
•
If no name is defined, Port A, Port B, Port C, or Port D is displayed. If there are two
ports, an input and an output port, i.e.,
Port A
and
Port B
is displayed. The input
port which is the only input port is displayed first followed by the output ports (some
EtherCAT slaves have more than one output port).
9 Troubleshooting
9-15
NJ/NX-series CPU Unit Built-in EtherCAT Port User's Manual (W505)
9-2
T
roubleshooting
9
9-2-4
Diagnostic and Statistical Information
Содержание NJ101-10 Series
Страница 10: ...Manual Structure 8 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505...
Страница 68: ...2 Part Names and Slave Settings 2 18 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505...
Страница 80: ...3 EtherCAT Communications 3 12 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505...
Страница 236: ...9 Troubleshooting 9 38 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505...
Страница 274: ...Appendices A 38 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505...
Страница 275: ...I Index I 1 NJ NX series CPU Unit Built in EtherCAT Port User s Manual W505 I...
Страница 279: ......