The PLC is applicated in the steel tube galvanization process replace of traditional relay logic control to realize the automatic operation and fault treatment.
介绍采用PLC替代传统的继电器逻辑控制对钢管热镀锌的生产实现自动运行及故障处理。
Substitutes S7-200 series of PLC for relay control logic, realizes the automatic control for batching.
使用S7-200系列可编程序控制器（PLC）代替原来的继电器控制逻辑，实现了配料的自动控制。
Electronic no-grade timing, automatic constant high temperature, constant energy relay control and it is stabilization and reliable, long life and less noise.
电子无级变迅自动高温，固能继电器控制，稳定可靠、寿命长、低噪音。
The hydraulic machines are equipped with two electric control systems-relay and PLC, and three operation modes-mechanic, manual and semi-automatic.
本系列液压机具有继电器控制PLC控制俩种电气控制系统，有调整、手动及半自动三种操作方式。
The temperature control relay switch device arranged in a circuit ensures that the warming mattress realizes the aim of automatic constant temperature control.
电路中设置的温控继电器开关装置，使取暖床垫达到了自动恒温控制目的。
Taking the CW6140-general machine tools as an example, the analysis and design methods of reconstructing the relay control into automatic control system by PLC were introduced.
以常用的CW6140型普通机床为例，介绍利用P LC把继电控制改造为自动控制的分析与设计方法。
NALC type automatic gas relay test bed, using the latest embedded system control technology, integrated user's actual needs and introduced a new generation of gas relay test detection system.
NALC型气体继电器检测台，采用最新的嵌入式系统控制技术，综合用户的实际需求而推出的新一代气体继电器试验检测系统。
NALC type automatic gas relay test bed, using the latest embedded system control technology, integrated user's actual needs and introduced a new generation of gas relay test detection system.
NALC型气体继电器检测台，采用最新的嵌入式系统控制技术，综合用户的实际需求而推出的新一代气体继电器试验检测系统。
应用推荐