vs2015下HslCommunication_Net45连接ab plc通信dll源码 AllenBradleyNet ABN1 = new AllenBradleyNet(); ABN1.IpAddress = ip; ABN1.Slot = 0; ABN1.Port = 44818; OperateResult connect = ABN1.ConnectServer(); ABN1.ReadInt32("test_5", length).Content