Program instruction set, logic stack and data type of I/O memory which are tied up with tasks in the soft-PLC system are analyzed and studied.
研究了系统的程序指令集、逻辑堆栈和I/O存储器数据类型，实验表明系统具有良好的实时性和可靠性。
Henceforth, a Soft-PLC system for the Realtime-Linux based on CNC system is presented, and its control scheme, development system and running system are explained in detail.
提出了基于开放式数控系统上的软plc系统，并对本系统中的控制方案、开发系统和运行系统做了较为详尽的介绍。
Based on the summarize of SERCOS serial real-time communication system technology, the paper introduce the control system of fully electric injection machine is developed by using soft-PLC and SERCOS.
在介绍SERCOS技术的基础上，阐述用软plc和SERCOS总线开发全电子注塑机控制系统的方法，并分析了实现注塑过程的高速、高精度运动控制的硬件和软件结构及人机界面的设计。
When frequency converter and PLC is at fault, automatic switch to the original soft start work frequency power operation, ark to ensure the normal work of the compressor.
当变频器及PLC发生故障时，自动切换到原软启动柜工频电源运行，以保证压缩机的正常工作。
Programming according to the list, write PLC host. Adjust the address switch on the back of the PLC board, and then soft start, the machine is back to normal.
依据程序清单进行编程，写入PLC主机。调整PLC主板后面的地址开关，再软起动，机床恢复正常。
Meanwhile, through application of the idea of soft PLC, the online programming function of the protective logic, together with graphic interface, is added to this platform.
同时，将软plc技术应用于通用软件平台的设计中，使之具有保护逻辑在线编程的功能和图形化的开发界面。
Theexecuting system of the soft PLC virtual machine explains and executes the Middle Code.
软PLC虚拟机的运行系统完成解释执行中间码的功能。
It detailed introduced composing of the PLC elevator control system, design of the hardware and soft, how to weave control program in graph of elevator for example.
以实例介绍了PLC电梯控制系统的组成、其硬件和软件的设计以及怎样用电梯图来编制系统的控制程序。
The communication program can read or write each soft device inside FX series PLC, and allow individual bit images to be forced on or OFF.
该通信程序能读写FX全系列PLC内部各种软设备，强制复位与置位位映象元件。
In a word, the soft PLC has got the superior that hard PLC can't compare to, which representative the trend of the open numerical control system.
总之，软件PLC有着硬件PLC不可比拟的优越性，适应开放式数控系统的发展趋势。
Paper discussed soft PLC, include its superiority and the principle of PLC compile principle, emphasize studied PLC ladder digram compile technology.
论文讨论了PLC的原理及软plc的优越性、软plc编译原理，重点研究了PLC梯形图语言的编译技术。
The motion flow, PLC control soft and hard design of C5112 vertical lathe were analyzed, and the PLC wiring diagram and the ladder diagram were given.
详细分析了C5 112立式车床动作流程，PLC控制系统软、硬件设计，并给出了PL C接线图和梯形图。
This paper discuss related technologies about stepper motor control system point of nc control functions of HMI and PLC, and introduces the design ideas of control system and soft and hard structure.
本文讨论利用人机界面和PLC控制步进电机实现数控系统点位控制功能的相关技术，介绍了控制系统方案及软硬件结构的设计思路。
The PLC technology is used in the Intelligent net-sealing machine. it adopts RS-232 standard. the soft part is realized by C language, the communication function is realized bitterly.
智能钢筋焊网机控制采用PLC技术，其与上位机的通讯采用RS-232标准，软件部分通过C语言编程实现，较好地实现了通讯功能。
Machine logic, as the whole movement control kernel, also demanding soft PLC to realize function.
作为整个运动控制核心的机床逻辑控制也必然要以软件的形式来实现。
It explicates the ways of stepping motor's stepping count and speed in the control of the BCD-code dial switch, and the function of pulse distribution with the programmable soft of PLC.
详细说明了用BC D码拨盘开关控制步进电机步数和速度的方法及可编程序控制器编程软件实现脉冲分配器功能的方法。
The performance test demonstrates that the speed of soft PLC is much higher than that of common PLC. The further soft PLC application in open nc system can use this work for references.
对软plc的性能测试表明，软plc的执行速度较硬plc有了大幅度提高，为软plc在开放式数控系统中的应用提供了借鉴。
Operating principles and soft-hardware design of stereo-garage based on HMI and PLC are introduced in detail.
详细介绍了基于HMI和PLC控制的立体车库工作原理及系统软、硬件设计。
After the modification at PLC program, the soft reduction is achieved via hydraulic differential circuit and the billet quality is improved.
通过修改PLC程序，利用液压差动回路实现轻压下，提高了铸坯质量。
Then, the requirements of the soft PLC platform are considered, and the overall structure of the system is designed based on software engineering and IEC61131-3 international standard.
然后再结合软件工程和IEC61131-3国际标准，对PLC程序开发系统进行了需求分析并设计了总体结构框架。
Secondly, the history and features of soft PLC are also introduced, and by means of analyzing the working principles, the general architecture of the system are put forwarded.
其次简介了软逻辑控制技术的产生、特点及其工作原理，提出了软逻辑控制系统的总体设计方案。
It is practical and significant for the reduction of cost and the enhancement of system openings to study Soft PLC control system based-on PC.
将软plc技术和基于PC的自动控制系统相结合，研究基于PC的软plc(软逻辑)控制系统，对降低系统成本和提高系统开放性等有着现实意义。
The soft switching of asynchronous communication among PLC (Programmable Logic Con-troller), transducer, touch screen, RS-485 module and PC is introduced.
主要介绍电气设备中可编程逻辑控制器(plc)、变频器、触摸屏、RS- 485模块及个人电脑之间实现异步通信的软切换。
Soft PLC provides the same functionality of Hard PLC.
软件PLC提供了与硬plc相同的功能。
Soft PLC provides the unique advantages of PC environment too.
软plc也提供了PC环境特有的各种优点。
The paper provides a system design schema mainly on the basis of the IEC61131-3 international standard, especially by doing research on the architecture and working principles of the soft PLC.
本文基于IEC61131 - 3国际标准、软逻辑控制系统的体系结构与工作原理，给出了嵌入式软逻辑控制系统的整体设计方案。
The paper provides a system design schema mainly on the basis of the IEC61131-3 international standard, especially by doing research on the architecture and working principles of the soft PLC.
本文基于IEC61131 - 3国际标准、软逻辑控制系统的体系结构与工作原理，给出了嵌入式软逻辑控制系统的整体设计方案。
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