自动化系统A2和T2550自带以太网通讯,提供高性能,可靠性,简易性,经济性的完整解决方案。I/O卡件包括: AI22ChannelAnalogueInput AI33ChannelAnalogueInput AI44ChannelAnalogueInput AO22ChannelAnalogueOutput DI44ChannelDigitalInput DI66ChannelDigitalInput(HighACVoltage) DI88ChannelDigitalInput FI22ChannelFrequencyInput DO44ChannelDigitalOutput DO88ChannelDigitalOutput RLY44ChannelRelayOutput DI168ChannelDigitalInput (Future) DO168ChannelDigitalOutput(Future) RLY84ChannelRelayOutput(Future)