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Ningbo Hongde Technical Research and Training Center Siemens programmable logic controller (mm,) uses a type of programmable memory to store programs internally and perform user-oriented operations such as logical operations, sequence control, timing, counting and arithmetic operations. instructions and control various types of machinery or production processes via digital or analog input/output.
High reliability and strong anti-interference ability
Reliability is the key performance of electrical equipment. In the design and manufacturing process, due to the use of modern large-scale integrated circuit technology and strict production processes to manufacture internal circuits, it has advanced anti-interference capabilities, and the mean time between failures is usually more than hours, which is generally other Electrical equipment cannot do this.
Complete supporting facilities, complete functions, and strong applicability
Although there are many types of products, due to the serialization and modularization of its products and complete software packages, users can flexibly form controls of various sizes and requirements. system. In addition to logical processing functions, most modern computers have complete data computing capabilities and can be used in various control fields. In recent years, a large number of functional units have emerged, which has expanded its application to various industrial controls such as position control, temperature control, and so on. Coupled with the enhancement of communication capabilities and the development of human-machine interface technology, it has become easier to use and form various control systems.
Programming language is easy to learn and use
Generally, programs are written in ladder diagram language that is easy to understand and master and simple instructions for industrial control, which is easy to be accepted by engineering and technical personnel. The graphical symbols and expressions of the ladder diagram language are very close to the relay circuit diagram. Only a small number of switching logic control instructions can be used to easily realize the functions of the relay circuit. It is open to people who are not familiar with electronic circuits, computer principles and assembly language. The door of convenience.
Low maintenance workload and easy repair
Using storage logic instead of wiring logic greatly reduces the external wiring of control equipment. At the same time, it has strong self-diagnosis ability, and can detect its own faults at any time and display them to technicians, so that technicians can quickly check and determine the cause of the fault. If it is due to its own fault, you only need to replace the plug-in module and other easily damaged parts during maintenance, which is convenient and reduces the time that affects production, making maintenance easier.
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