西门子6ES7193-4CB10-0AA0 液压棒

技术难点主要包括以下几方面：

1、数据量巨大

任何系统，在不同的数据量面前，需要的技术难度都是不同的。

如果单纯是将数据采到，可能还比较好完成，但采集之后还需要处理，因为考虑数据的规范与清洗，因为大量的工业数据是“脏”数据，直接存储无法用于分析，在存储之前，进行处理，对海量的数据进行处理，从技术上又提了难度。

2、工业数据的协议不标准

互联网数据采集一般都是我们常见的HTTP等协议，但在工业领域，会出现ModBus、OPC、CAN、ControlNet、DeviceNet、Profibus、Zigbee等等各类型的工业协议，而且各个自动化设备生产及集成商还会自己开发私有的工业协议，导致在工业协议的互联互通上，出现了大地难度。

很多开发人员在工业现场实施综合自动化等项目时，遇到的大问题及时面对众多的工业协议，无法有效的进行解析和采集。

3、视频传输所需带宽巨大

传统工业信息化由于都是在现场进行数据采集，视频数据传输主要在局域网中进行，因此，带宽不是主要的问题。

但随着云计算技术的普及及公有云的兴起，大数据需要大量的计算资源和存储资源，因此工业数据逐步迁移到公有云已经是大势所趋了。但是，一个工业企业可能会有几十路视频，成规模的企业会有上百路视频，这么大量的视频文件如何通过互联网顺畅到传输到云端，是开发人员需要面临的巨大挑战。

4、对原有系统的采集难度大

在工业企业实施大数据项目时，数据采集往往不是针对传感器或者PLC，而是采集已经完成布署的自动化系统上位机数据。

这些自动化系统在部署时厂商水平参差不齐，大部分系统是没有数据接口的，文档也大量缺失，大量的现场系统没有点表等基础设置数据，使得对于这部分数据采集的难度大。

5、性考虑不足

原先的工业系统都是运行在局域网中，问题不是考虑的重点。

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