SET_SUBNET  dmindex
Purpose To set the SUBNET address of this PLC's built-in Ethernet port using the parameters stored in DM[dmindex] to DM[dmindex+3].
Examples DM[100] = 255
DM[101] = 255
DM[102] = 255
DM[103] = 0

SET_SUBNET 100   ' set the SUBNET address to 255.255.255.0

SETSYSTEM 252,0 ' required for Nano-10 and FMD PLCs

RESTART ' power cycle the PLC

 
Comments:
  • To change the SUBNET address of a PLC's ethernet port, you can load the new SUBNET address and port number into the variables DM[100] to DM[103]  (e.g. from a HMI panel) and then invoke a function that runs SET_SUBNET 100 to write the new SUBNET address into the PLC.
  • For Nano-10 and FMD PLCs,  you should backup the new SUBNET in FLASH (using the SETSYSTEM 252,0 command) and restart (cold boot) the PLC after changing the SUBNET address so that the new SUBNET address will be saved into the virtual EEPROM. This is not required for Fx PLCs.
  • The PLC will only assume the new SUBNET address after it has been rebooted (via the RESTART command or power-on reset).
    • This is applicable to all models.
  • This command is ignored by i-TRiLOGI  simulator.
See Also GET_SUBNET, SET_DNS, SET_GATEWAY, SET_SMTP, SET_IPAddr

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