求翻译：随着PLC应用技术的不断发展，应用范围越来越广泛，梯形图编程步数越来越多，越复杂，导致工程师大量的时间都用在了非关键技术的梯形图编写上，而不是进行系统软件的总体设计和功能设计是什么意思？

Application of technology continues to evolve with the plc, the scope of application is more extensive ladder programming steps more and more and more complex, leading to engineer a lot of time in non-critical technology ladder to write, instead of the overall design and functional design of the sys

As PLC technology continues to develop, the more extensive range of applications, ladder programming step, more and more engineers, resulting in the more complex a lot of time has been spent on the non-key technology of the ladder diagram, rather than written, for the overall system software design

Along with the PLC application technology unceasing development, the application scope is more and more widespread, the trapezoidal chart programming step are more and more many, more complex, caused engineer the massive time all to use in the non-key technologies trapezoidal chart compilation, but

With the development of PLC technology, increasingly broad range of applications, number of ladder diagram programming step more and more, the more complex, leading engineers a great deal of time is spent on non-ladder diagram of the key technology in the preparation, rather than overall design and

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