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2.7 DIP SW Configuration
SW1-2 & 1
4W 4-wire (RS-485/422 driver receiver separated)
2W 2-wire (RS-485/422 driver receiver connected)
[2W] setting activates the internal connection between driver and re-
ceiver in RS-485/422 interface. It simplifies the installation of the con-
verter in a 2-wire bus. RS-422 usually uses 2-wire topology only. RS-485
supports both 2-wire and 4-wire topology.