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CHAPTER 11
IP ADDRESS CHANGE
FUNCTION
The IP address of a built-in Ethernet port can be changed without changing the built-in Ethernet port settings of PLC
parameters, by storing the values in special relays and special registers.
This function can also be used by changing values for special relay and special register from GOT. For details of the special
relay and special register used for this function, refer to the lists of the special relay and special register in the following.
QCPU User's Manual (Hardware Design, Maintenance and Inspection)
Note 11.1
Note
11.1
To use the IP address change function for the QnUDE(H)CPU, check the version of the CPU module. (
Bus
connection
1) Store the IP address in the special
register (SD) by the device write
operation.
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.
SD1292
SD1293
SD1294
SD1295
SD1296
SD1297
Special register (SD)
IP address storage area
(flash ROM)
Write
execution
(SM1292 ON)
IP address
Subnet
mask
pattern
Default
router
IP address
IP address
Subnet
mask
pattern
Default
router
IP address
3) Power off and
then off or reset
the CPU module.
4) Operate with the IP address stored in the
IP address storage area (flash ROM).
GOT
Universal
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