MPM-B2152C-SJ74AA

MPM-B2152C-SJ74AA正如其他消费类电子领域的产品从未停止过改进一样，更快、更小及更低的价格让人充满希望。

从一开始，当PLC开始大批量地替代继电器和计时器时，对于未来PLC的发展趋势，就持续存在着一种减少自动控制系统尺寸以及简化支持和维护工作的推动力。

在过去的几年里，继电器被更小的基于Rack结构或更小的有远程I/O口的PLC所替代。

就软件而言，梯形语言初基于继电器和定时器模拟自动系统，已经成为广为应用的PLC编程语言；但是其他的选择也在慢慢出现，如IEC61331-3的编程语言。

在未来，PLC将会在硬件、软件和通讯的领域持续进步来适应科技的发展。可能的演变将会包括PLC及可编程自动控制器（PAC）部分功能的合并，以实现从工厂底层到顶层的通讯。

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