There is a small mistake in the Help file for OPENTCP, The help file related to a variable IP address says:
"Variable Address - the IP address resides in the specified memory location in the Do-more Controller. This can be any readable DWord numeric location. The Hexadecimal equivalent of each octet of the IP Address is stored in a byte of the Variable Address location, in reverse order, for example: IP Address 192.168.000.006 in Hex would be C0.A8.00.06, and stored in the Variable Address location as 0600A8C0."
But when I enter the address as HEX into the DWord location via dataview (Data type set to BCD/Hex), there is no need to reverse it.