The Simple Object Access Protocol (SOAP) is actually a Web services technology, but the format of data exchange between the client and the server in the Web service is through a flexible XML schema.
简单对象访问协议(Simple Object Access Protocol, SOAP)实际上是一种Web服务技术，但Web服务中客户机和服务器之间的数据交换格式是通过灵活的XML模式实现的。
On-demand data exchange service adopts the MODBUS/TCP protocol to get the different parameters from PLC.
特定数据交换服务采用MODBUS／TCP协议，典型应用是通过此服务得到PLC的不同参数。
应用推荐