10 TROUBLESHOOTING
10.4 Troubleshooting by Symptom
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10
If the above actions do not solve the problem, perform the following tests to check for an error.
• Communication test ( Page 208 Communication test)
• Module communication test ( Page 200 Module communication test)
The connection device
information of the master
station is set to "Mixture of
CC-Link IE TSN Class B/A or
CC-Link IE TSN Class A
Only".
For devices supporting the CC-Link IE TSN Protocol version
2.0
If the "CC-Link IE TSN Class" of the general CC-Link IE TSN
module added to the list of stations under the network
configuration settings is CC-Link IE TSN Class A, is the
minimum value of the communication cycle interval ([Basic
Settings] of the module parameter [Communication Period
Setting] [Basic Period Setting]) set to "Communication
Period Interval Setting" and "Cyclic Transmission Time"?
Select the actual device to be used from "Module List" of the
network configuration setting and add it to the list of stations,
or check the maximum response time during time-managed
polling using the manuals of the devices, and set the
calculated values for the communication cycle interval and
cyclic transmission time.
Is the event code 00C72 registered in the event history of the
master station?
• Update the engineering tool to the latest version.
Take the following action for the device station with the IP
address displayed in the detailed information of the event
history.
• Update the firmware of the device stations to the latest
version.
For firmware version "1.010" or earlier
Is a CC-Link IE TSN Class A device that supports the
CANopen profile with the CC-Link IE TSN Protocol version
2.0 connected?
Update the firmware version of the master station to "1.020"
or later.
When the station is connected in line topology, is the communication speed setting matched
among stations?
Correct "Communication Speed" under "Application Settings"
so that the communication speed is matched for each station.
Is there any reason on the device station side why cyclic communication is not performed? • Check if an error has occurred on the device station.
• Check if the device station settings and parameters are
correct.
• Refer to the manual of the device station for
troubleshooting.
Is the event code 00C44 registered in the event history? Set the same communication speed for the master station and
the device station parameter automatic setting target station.
Is the minimum value for the communication cycle interval ([Basic Settings] of the module
parameter [Communication Period Setting] [Basic Period Setting]) set to "Communication
Period Interval Setting" and "Cyclic Transmission Time"?
Set "Cyclic Transmission Time" to a value obtained by the
following formula: Minimum value of cyclic transmission time
+ Greatest value among the two values shown below.
• 10% of this setting item
• When the communication speed of the master station is set
to 1Gbps: Number of device stations 2s, When the
communication speed of the master station is set to
100Mbps: Number of device stations 20s
Is a device number outside the setting range set for a link side device in "Refresh Setting"? Check that the device numbers of RX and RWr set in "Refresh
Setting" are within the applicable range.
In multicast mode, has an external device sent a frame before data link establishment of all
stations?
Ensure that the external device will not send a frame before
data link establishment of all stations, then reset the master
station.
When "Communication Speed" of the master station is 1Gbps, does the cyclic data size
exceed 2K bytes in total for all device stations on the 100Mbps device side at the boundary
between a 1Gbps CC-Link IE TSN Class B device except for the master station and 100Mbps
CC-Link IE TSN Class B device?
• Restrict the number of connected stations so that the cyclic
data size of 100Mbps devices does not exceed 2K bytes in
total.
• Connect 100Mbps device to the master station.
For firmware version "1.002" or earlier
When the communication speed of the master station and CC-Link IE TSN Class A device
station each are 1Gbps, is "Communication Period Setting" of the CC-Link IE TSN Class A
device station set to "Basic Period" or "Normal Speed"?
• Update the firmware version of the master station to "1.010"
or later.
• For the values set for "Communication Period Interval
Setting" and "Cyclic Transmission Time" each in
"Communication Period Setting" under "Basic Settings", set
a value not smaller than the minimum value for the
communication cycle interval (cyclic data transfer
processing time).
Page 286 Communication cycle intervals
Check item Action
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