Mitsubishi Electric MELSEC iQ-R Series User Manual page 208

Error Error definition and causes
code
1845H Too much processing of transient
transmission (link dedicated instruction) and
cannot perform transient transmission.
1D10H Cyclic transmission skip occurred.
1D11H The correction value of time counter
calculated by the inter-module
synchronization function exceeds allowable
range.
1D20H The module cannot normally communicate
with the slave station on CC-Link IE TSN.
1D21H Initialization processing with the slave station
on CC-Link IE TSN cannot be performed
correctly.
1D30H A co-recording trigger was received but then
discarded because the trigger was not
supported.
20E0H The module cannot communicate with the
CPU module.
2160H IP address duplication was detected.
4 TROUBLESHOOTING
206
4.5 List of Error Codes
Action
Correct the transient transmission (link dedicated instruction) execution
count.
• 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.
• 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.
• 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.
• 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.
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.
The hardware failure of the CPU module may have been occurred. Please
consult your local Mitsubishi representative.
Check and correct the IP addresses.
Detailed
information 1
Detailed
information 2



■
■Target station
information
• Network No.
• Station No.
• IP address
■
■Target station
information
• Network No.
• Station No.
• IP address
■Source
information
• I/O No.
• Network No.
• Station No.
• IP address
■

