Pyxis software can provide IP control for Samsung TV.
a) Find in web interface of Pyxis: 5.Advanced technologies setup ==>Audio/Video Control
b) Add row and fill: name, type and IP address of your TV.
c) After that find: 7.Add accessorries and add accessory for TV control.
d) Fill next lines: Name, Technology, Room, Type, Device and Command (Find list of commands here)