Mitsubishi Electric MELSEC iQ-R02CPU - Error Log Area for MODBUS;TCP Function

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APPX
Appendix 3 Buffer Memory
Error log area for MODBUS/TCP function
■Number of errors (Un\G720896)
This area is used for storing the number of errors that occurred during communications using MODBUS/TCP.
■Error log write pointer (Un\G720897)
This area is used for storing the error log number at which the latest error log was registered.
■Error log 1 (Un\G720898 to Un\G720905)
■Error log 2 to 32 (Un\G720906 to Un\G721153)
These areas are used for storing the information of the 2nd to 32th errors in the same order as Error log 1.
Address Name Description
Un\G720898 Detail error code Stores an error code. (Page 310 List of Error Codes)
Un\G720899 Abnormal response code Stores a MODBUS abnormal response code. ( MELSEC iQ-R
MODBUS/TCP Reference Manual)
Un\G720900 Function code Stores a function code that caused the error.
Un\G720901 Own station port number Stores the own station port number when the error occurred.
Un\G720902 to Un\G720903 Destination IP address Stores the IP address of the destination station when the error
occurred.
Un\G720904 Destination port number Stores the port number of the destination station when the error
occurred.
Un\G720905 System area 