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How to derive the ip address from MAC address of a new Twido PLC ?

MAC Address: Each Twido TWDLC•E40DRF controller has its own factory-set MAC address that is a worldwide-unique 48-bit address assigned to each Ethernet device.
Default IP Address: The default Ethernet interface IP address of the Twido controller is derived from its unique MAC address.
The default IP address expressed in dotted decimal notation is defined as follows:, where:
  • 085.016. is a set header shared by all IP addresses derived from MAC address,
  • xxx and yyy are last two numbers of the device MAC address.
For example, the IP address derived from the hexadecimal MAC address 00.80.F4.81.01.11 is
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