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4 TROUBLESHOOTING
4.5 List of Error Codes
1845H
Too much processing of transient
transmission (link dedicated instruction) and
cannot perform transient transmission.
Correct the transient transmission (link dedicated instruction) execution
count.
1D10H
Cyclic transmission skip occurred.
• Increase the value for the inter-module synchronization cycle set in "Fixed
Scan Interval Setting of Inter-module Synchronization" under "Inter-
module Synchronization Setting" in "System Parameter" so that the
execution time of synchronization interrupt program does not exceed the
inter-module synchronization cycle.
• Increase the value for " Communication Period Interval Setting" and
"Transient Transmission Time" in " Communication Period Setting" of the
module parameter.
• If the value is not 0 in 'Transient transmission additional time (calculation
value)' (SW007A), add the value to "Communication Period Interval
Setting" and "Transient Transmission Time".
• Reduce the program processing time by reducing the program volume so
that the execution time of synchronization interrupt program does not
exceed the inter-module synchronization cycle.
• Reduce the refresh processing time by reducing the data targeted for
synchronization refreshing so that the execution time of synchronization
interrupt program does not exceed the inter-module synchronization
cycle.
• Set modules not requiring synchronization to asynchronous so that the
execution time of synchronization interrupt program does not exceed the
inter-module synchronization cycle.
• Do not perform the online change in the CPU module.
1D11H
The correction value of time counter
calculated by the inter-module
synchronization function exceeds allowable
range.
• Take measures to reduce noise.
• If the same error occurs a few times even after taking the above, the
possible cause is a hardware failure of the module or base unit. Please
consult your local Mitsubishi representative.
1D20H
The module cannot normally communicate
with the slave station on CC-Link IE TSN.
• To use the inter-module synchronization function, set the setting value for
the inter-module synchronization cycle longer than the current setting in
"Inter-module Synchronization Setting" under "Inter-module
Synchronization Setting" in "System Parameter".
• Make the setting value greater than the current setting for
"Communication Period Interval Setting" and "Transient Transmission
Time" in "Communication Period Setting" of the module parameter.
• If the value is not 0 in 'Transient transmission additional time (calculation
value)' (SW007A), add the value to "Communication Period Interval
Setting" and "Transient Transmission Time".
• Refer to the manual for the slave stations used and if they do not support
the communication cycle of "Normal-Speed" and "Low-Speed", set
"Network Configuration Setting" to "Basic Period" under "Basic Settings"
of the master station.
• Do not perform the online change in the CPU module.
• Check if the switching hub and the cables are connected properly.
• After taking the above actions, power on the system again or reset the
CPU module.
■
■
Target station
information
• Network No.
• Station No.
• IP address
1D21H
Initialization processing with the slave station
on CC-Link IE TSN cannot be performed
correctly.
• Update the version of the station shown in detailed information 2 to the
one that supports the CC-Link IE TSN network synchronous
communication function.
• Take measures to reduce noise.
• After taking the above actions, power on the system again or reset the
CPU module.
■
■
Target station
information
• Network No.
• Station No.
• IP address
1D30H
A co-recording trigger was received but then
discarded because the trigger was not
supported.
Check the firmware versions of the network module and the co-recording
trigger source device. If the combination is incorrect, update the firmware
version of the network module or co-recording trigger source device,
whichever the older version is used.
■
Source
information
• I/O No.
• Network No.
• Station No.
• IP address
■
20E0H
The module cannot communicate with the
CPU module.
The hardware failure of the CPU module may have been occurred. Please
consult your local Mitsubishi representative.
2160H
IP address duplication was detected.
Check and correct the IP addresses.
Error
code
Error definition and causes
Action
Detailed
information 1
Detailed
information 2
Summary of Contents for MELSEC iQ-R CC-Link IE TSN
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