PLC is general industrial control equipment and takes the microprocessor as the core, it unifies the traditional relay - contact device control system and the computer control technology closely, it integrated with the computer, the control, the correspondence in a body, it has provided the nearly perfect modern automatic control device for the industrial automation.
可编程控制器(PLC)是以微处理器为核心的通用工业控制装置,它将传统的继电器-接触器控制系统与计算机控制技术紧密结合,集计算机、控制、通信于一体,为工业自动化提供了几乎完美的现代化自动控制装置。
参考来源 - 拉拔钢丝退火工艺的PLC控制·2,447,543篇论文数据，部分数据来源于NoteExpress
We should consider the stripe-contact device.
我们应考虑这个条形电极接触器件。
Sidewall contact device was classified by function, the configuration and features of each kind device were analyzed.
按照功能对常见的测井仪推靠器进行了分类，分析了每一类推靠器的结构和特点。
This instrument consists of measuring system, indicating device, magnet-assisted electric contact device, outer housing, adjusting device, junction box, etc.
仪表由测量系统、指示装置、电接点装置、外壳、调节装置及接线盒等组成。
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