时以太网主流协议包括:CC-Link IE,Modbus/TCP, AS-Interface, IO-Link, SERCOS, EtherCAT, PROFINET, Ethernet/IP, POWERLINK等现场总线的主流协议包括:PROFIBUS, DeviceNet, CANopen, CC-Link,InterBus, ControlNet, CompoNet等串口协议:ASCII、Modbus RTU等实时以太网主流协议包括:CC-Link IE , Modbus/TCP, AS-Interface, IO-Link, SERCOS, EtherCAT, PROFINET, Ethernet/IP, POWERLINK等