样例中使用的PLC:FX3U适用PLC:FX3S,FX3SA,FX3G,FX3GA,FX3U样例中使用的变频器:FR-D720S适用变频器:FR-D720SFR-D720FR-D740FR-E740FR-E720备注:FX1S,FX1N,FX2N主机停产,由FX3SA,FX3GA