供应

可编程控制器是60年代末在美国首先出现，当时叫可编程逻辑控制器PLC（Programmable Logic Controller），目的是用来取代继电器，以执行逻辑判断、计时、计数等顺序控制功能。PLC的基本设计思想是把计算机功能完善、灵活、通用等优点和继电器控制系统的简单易懂、操作方便、价格便宜等优点结合起来，控制器的硬件是标准的、通用的。根据实际应用对象，将控制内容编成软件写入控制器的用户程序存储器内。控制器和被控对象连接方便。

随着半导体技术，尤其是微处理器和微型计算机技术的发展，到70年代中期以后，PLC已广泛地使用微处理器作为中央处理器，输入输出模块和外围电路也都采用了中、大规模甚至超大规模的集成电路，这时的PLC已不再是逻辑判断功能，还同时具有数据处理、PID调节和数据通信功能。

可编程控制器是一种数字运算操作的电子系统，专为在工业环境下应用而设计。它采用了可编程序的存储器，用来在其内部存储执行逻辑运算，顺序控制、定时、计算和算术运算等操作的指令，并通过数字式和模拟式的输入输出，控制各种类型的机械或生产过程。PLC是微机技术与传统的继电接触控制技术相结合的产物，它克服了继电接触控制系统中机械触点的接线复杂、可靠性低、功耗高、通用性和灵活性差的缺点，充分利用微处理器的优点。

可编程控制器对用户来说，是一种无触点设备，改变程序即可改变生产工艺，因此可在初步设计阶段选用可编程控制器，在实施阶段再确定工艺过程。另一方面，从制造生产可编程控制器的厂商角度看，在制造阶段不需要根据用户的订货要求专门设计控制器，适合批量生产。由于这些特点，可编程控制器问世以后很快受到工业控制界的欢迎，并得到迅速的发展。目前，可编程控制器已成为工厂自动化的强有力工具，得到了广泛的应用。

随着工业物联网的发展，作为设备厂家需要提供设备联网方案给到工业用户，需要对设备运行数据远程采集，对设备远程维护，实现高效解决故障，远程调试节省差旅及人工成本。
作为工业物联网先锋企业广州巨控科技推出针对PLC专用的数据采集远程监控解决方案，利用4G移动网络和云服务，实现对PLC数据远程手机APP监控，报警微信推送、运营中心集中监控，PLC程序远程维护，远端无人值守等信息化功能。

“远程模块 后台软件”产品化的方式，具有成本低，使用简单特点，工程师不需要高级语言编程，不需要网络知识。

NISSIN NIC-03301-4 TEMP CONT
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