Operation At Normal Completion; Operation At Abnormal Completion; Cause Of Error At Abnormal Completion - Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual

■Operation of the special relays and special registers, or of the buffer memory
The following section shows the operation of the special relays and special registers or of the buffer memory when writing to
the IP address storage area.

• Operation at normal completion

Write start
Write request
ON
(SM1520)
OFF
(Un\G11709.0)
Write error
ON
(SM1521)
OFF
(Un\G11710.0)
Write error cause
(SD1526)
(Un\G11711)

• Operation at abnormal completion

Write start
Write request
ON
(SM1520)
OFF
(Un\G11709.0)
The system is powered
Write error
ON
on when writing was
(SM1521)
OFF
failed.
(Un\G11710.0)
Write error cause
(SD1526)
(Un\G11711)

■Cause of error at abnormal completion

• If the data is not written correctly into the IP address storage area (system memory) in the CPU module (built-in Ethernet
port part), the cause of the error is stored in 'IP address storage area writing error cause' (SD1526).
Stored value
100H
200H
300H
400H
• If the data is not written correctly into the IP address storage area (flash ROM) in the RJ71EN71 or the RnENCPU (network
part), the cause of the error is stored in 'IP address storage area writing error cause' (Un\G11711).
Stored value
100H
101H
102H
103H
104H
105H
106H
107H
200H
400H
The system is powered
off when writing was
Write completed
completed.
0
Write failed
The system is powered
off when writing starts.
Error cause
Cause of error
The value for 'IP address setting' (SD1518 to SD1525) exceeds the setting
range.
An error occurred during write.
Writing cannot be performed since the following functions are being executed.
Writing was started during the clear processing.
Cause of error
The value for 'IP address' (Un\G11700 to Un\G11701) exceeds the setting
range.
The value for 'Default gateway' (Un\G11704 to Un\G11705) exceeds the
setting range.
The network address of 'Default gateway' (Un\G11704 to Un\G11705) or of the
gateway IP address is different from that of the IP address of the own node.
The value for 'Network number' (Un\G11706) exceeds the setting range.
The value for 'Station number' (Un\G11707) exceeds the setting range.
The value for 'Transient transmission group number' (Un\G11708) exceeds
the setting range.
The port 1 and port 2 IP addresses written in the IP address storage area are
the same.
The port 1 and port 2 network numbers or station numbers written in the IP
address storage area are the same.
An error occurred during write.
Writing was started during the clear processing.
Write start Write completed
0
• CPU module data backup/restoration function
1.16 IP Address Change Function
1
1 FUNCTIONS
215