It is the Ethernet fieldbus controller with MODBUS/TCP open network protocol that realizes open data exchange between supervisor station, Programmable Fieldbus Controller (PFC) and the slaves.

• 采用基于MODBUS/TCP开放式网络协议的以太网总线控制器实现了监控工作站、可编程现场总线控制器(PFC)和现场分机之间的开放式数据交换。