使用带有结构化文本编程的套接字将数据流传输到MongoDB
[英]Data streaming to MongoDB using sockets with Structured Text programming
问题描述
How do I stream a string (hello world, for example) from a PLC by Structured Text programming (IEC 61131-3) to MongoDB using sockets? 
如何通过套接字使用结构化文本编程（IEC 61131-3）从PLC将字符串（例如，hello world）流式传输到MongoDB？ I heard that function blocks like SysLibSockets have to be used but I am not sure how. 我听说必须使用SysLibSockets类的功能块，但是我不确定如何使用。
It would be great if you could help me with this as I am relatively new to ST and want to learn the language. 如果您能为我提供帮助，那太好了，因为我是ST的新手，并且想学习该语言。
Thanks. 谢谢。
1 个解决方案
解决方案1
0 2016-03-04 19:32:59
Your question does not have sufficient information. 您的问题没有足够的信息。
Structured text is a variation on Pascal. 结构化文本是Pascal的变体。 As such similar to "C" WITHOUT any of the standard libraries such as the BSD sockets library, it has no inherent communication capabilities of its own. 由于没有任何标准库（例如BSD套接字库），因此类似于“ C”，它没有自己的固有通信功能。 Communication capabilities are defined by the "system" level details of the PLC itself. 通信能力由PLC本身的“系统”级别详细信息定义。
Furthermore, many PLC's don't have a "generic" UDP or TCP interface so if that is the case then you have to implement the correct protocol on the PC side. 此外，许多PLC没有“通用” UDP或TCP接口，因此，在这种情况下，您必须在PC端实现正确的协议。
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