工业计算机控制领域，围绕开放与再开放过程控制系统、开放式过程控制软件、开放性数据通信协议，已经发生巨大变革，几乎到处都有plc，但这种趋势也许不会继续发展下去。随着软plc(softplc)控制组态软件技术的诞生与进一步完善和发展，安装有softplc组态软件和基于工业pc控制系统的市场份额正在逐步得到增长，这些事实使传统plc供应商在思想上已经发生了戏剧性的变化，他们必须面对现实，在传统plc的技术发展与提高方面做出更加开放的高姿态。对于控制软件来讲，这是plc控制器的核心，plc供应商正在向工业用户提供开放式的编程组态工具软件，而且对于工业用户表现得非常积极。此外，开放式通信网络技术也得到了突破，其结果是将plc融入更加开放的工业控制行业。6）过程控制和管理功能。随着plc、dcs和ipc（工业现场控制用计算机）之间的竞争逐步***，各plc厂家正在逐步将传统dcs所有的过程控制功能逐步移植到plc中，使其在过程控制领域能够与dcs进行竞争，这方面plc已经取得了很大的成果。为了满足生产管理的需要,各plc厂家也在其软件开发上增加了管理软件，通过与其plc 的实时通讯采集现场数据并通过相应的软件完成生产管理所需要的管理功能。
In the field of industrial computer control, great changes have taken place around the opening and reopening of process control systems, open process control software, and open data communication protocols. PLC is almost everywhere, but this trend may not continue to develop. With the birth and further improvement and development of soft PLC (SoftPLC) control configuration software technology, the market share of installed SoftPLC configuration software and industrial PC control system is gradually growing. These facts have made dramatic changes in the thinking of traditional PLC suppliers. They must face the reality and make a more open and high attitude in the development and improvement of traditional PLC technology. For control software, this is the core of PLC controller. PLC suppliers are providing open programming configuration tool software to industrial users, and they are very active for industrial users. In addition, the open communication network technology has also made a breakthrough, and the result is to integrate PLC into a more open industrial control industry. 6) Process control and management functions. With the gradual competition among PLC, DCS and IPC (computer for industrial field control), PLC manufacturers are gradually transplanting all the process control functions of traditional DCS into PLC, so that it can compete with DCS in the field of process control. In this regard, PLC has made great achievements. In order to meet the needs of production management, various PLC manufacturers have also added management software to their software development, and collected field data through real-time communication with their PLC
And complete the management functions required by production management through corresponding software.
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