20-COMM-P通讯卡20-COMM-P变频器内置通讯卡20-COMM-PPowerFlex7系列变频器选件：BACnetMS/TPRS485通讯适配器20-COMM-BControlNet通讯适配器(同轴)20-COMM-CControlNet通讯适配器(同轴)敷形涂层控制Net?通讯适配器(同轴)20-COMM-C-MX3DeviceNet选件模块20-750-DNETDeviceNet通讯适配器20-COMM-DDeviceNet通讯适配器敷形涂层20-COMM-D-MX3EtherNet/IP通讯适配器20-COMM-EEtherNet/IP通讯适配器敷形涂层EtherNet/IP?通讯适配器20-COMM-E-MX3HVAC通讯适配器20-COMM-HInterbus通讯适配器20-COMM-ICANopen通讯适配器20-COMM-KLonWorks通讯适配器20-COMM-LModbus/TCP通讯适配器20-COMM-MPROFIBUSDP通讯适配器20-COMM-PControlNet通讯适配器(光缆)20-COMM-Q远程I/O通讯适配器20-COMM-R远程I/O通讯适配器敷形涂层20-COMM-R-MX3RS485DF1通讯适配器20-COMM-SRS485DF1通讯适配器敷形涂层20-COMM-S-MX3外部通讯电源套件20-XCOMM-AC-PS1DPI外部通讯套件20-XCOMM-DC-BASE外部DPII/O选件板?20-XCOMM-IO-OPT1紧凑型I/O模块(通道3)1769-***1)