Ip Address Change Function - Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual

1.16

IP Address Change Function

This function can change the IP address of the Ethernet-equipped module or other item without changing the parameter
settings.
Ex.
Case of the CPU module (built-in Ethernet port part)
Ò Store the IP address in the special register
(SD) by the device write operation.
Bus
connection
GOT Ô Power off and on
or reset the CPU
module.
• When this function is used in the CPU module (built-in Ethernet port part), it can be used also by
manipulating the special relay and special register values from the GOT. Refer to the list of special relays
and special registers in the following manual for details on the special relays and special registers.
 MELSEC iQ-R CPU Module User's Manual (Application)
• When this function is used in the RJ71EN71 or RnENCPU (network part), it can be used also by
manipulating the buffer memory values from the GOT. ( Page 336 Buffer Memory)
• When this function is used in the RJ71EN71 or RnENCPU (network part), check the firmware version of the
module. The network number and station number of the CPU module (built-in Ethernet port part) can be
changed in the CPU module with the firmware version supporting communications by network number/
station number. ( Page 406 Added and Enhanced Functions)
• The IP address change function is not available when "Q Compatible Ethernet" is selected for the network
type in the RJ71EN71.
Ó Store the IP address of the special register (SD) to the
IP address storage area (system memory)
by turning the special relay (SM) on.
Special register (SD)
SD1518 Network No.
SD1519
Station No.
SD1520
IP address
SD1521
Subnet
SD1522
mask
Write
pattern
SD1523
execution
(SM1520
Default
SD1524
ON)
gateway
IP address
SD1525
Õ Operate with the IP address stored
in the IP address storage area
(system memory).
IP address storage
area (system memory)
Network No.
Station No.
IP address
Subnet
mask
pattern
Default
gateway
IP address
1.16 IP Address Change Function
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1 FUNCTIONS
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