Chapter 13 Ip Address Change Function - Mitsubishi L02CPU User Manual

CHAPTER 13
This function changes the IP address of a built-in Ethernet port without changing the built-in Ethernet port settings in
PLC parameter, by storing the values in the special relay and special register.
1) Store the IP address in the special
register (SD) by the device write
operation.
This function can also be used by changing values of special relay and special register from GOT. For details on the special
relay and special register used for this function, refer to the lists of the special relay and special register in the following.
MELSEC-L CPU Module User's Manual (Hardware Design, Maintenance and Inspection)
Remark
Check the version of the CPU module when using the IP address change function. (
IP ADDRESS CHANGE FUNCTION
Bus
connection
GOT
3) Power off and
4) Operate with the IP address stored in the
then off or reset
the CPU module.

CHAPTER 13 IP ADDRESS CHANGE FUNCTION

2) Store the IP address of the special register (SD)
to the IP address storage area (flash ROM) by
turning the special relay (SM) on.
Special register (SD)
SD1292
IP address
SD1293
Subnet
SD1294
mask
pattern
Write
SD1295
execution
Default
SD1296 (SM1292 ON)
router
IP address
SD1297
IP address storage area (flash ROM).
IP address storage area
(flash ROM)
IP address
Subnet
mask
pattern
Default
router
IP address
Page 222, Appendix 3)
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