First, FX3G and FX3GA difference? 1.FX3GA: input and output terminal block is not removable; FX3G removable, so no need to replace the PLC when the cable 2.FX3GA: can not be equipped with optional battery; FX3G can be optional battery 3.FX3GA: can only expand a BD communication board (single channel expansion), FX3G 40 points or more […]