By monitoring single or multiple create, open, update, or delete events to the Notes documents, Virtual Field activities trigger the appropriate result in the external system data.
These 3 parameters are used to open a socket on the operating system and if success, it means that the protocol supported field is set to TRUE.
这三个参数用于在操作系统上打开套接字，如果成功，就意味着协议支持字段被设置为TRUE。
3
Field bus is a product integrating technology of computer, communication and control, is a new generation control system which is distributivity and open up.