（1）強力な干渉防止機能：PLCの主要な特性の1つは、強力な干渉防止機

(1) Strong anti-interference function: One of the main characteristics of PLC is the strong anti-interference function, in some special environment, there is some radiation and electromagnetic interference, the operation function of PLC is Not affected. .. The main circuit module consists of a large scale integrated circuit, and a filter rectifier circuit is added to the circuit to prevent moisture, dust, and earthquakes [1]. <br>(2) Powerful versatility: PLC control system does not require electrical control components such as relays. Only the soft component in the PLC is needed for analog control. This effectively avoids a lot of hardware wiring and improves production efficiency. To change the functionality of the program, the programmer only needs to change the program. You can control different objects on the same PLC device, but with different software input / output components and control methods. PLC AC 220V and DC 24V are provided by PLC. <br>(3) Simple programming: PLC is mainly used for user-oriented equipment. Users should use something simple and easy to learn. Most importantly, programming is the easiest to use and understand. At this point, the PLC designer has also carefully considered the user's intentions and habits of using the PLC. The ladder diagram is similar to a relay. This programming method is relatively easy to learn, intuitive and easy to learn. No advanced computer knowledge or special computer language required.<br>(4) Perfect function: With the continuous release of science and technology, the function of PLC is more and more, the new function is from the original normal control to logic control, count, timing, so far, process control, digital to analog. Conversion, information processing, and network functions could be performed individually. The gradual improvement of PLC function means that its position in the industry is irreplaceable, and the industrial progress is inseparable from PLC. This shows that the PLC can realize the man-machine interaction function, which shows that the future development direction of the PLC will be in the direction of intelligence. <br>(5) Convenient maintenance: Convenient PLC maintenance is also the main reason why PLC is widely used in industrial production. Convenient maintenance improves production efficiency, reduces unnecessary investment, and effectively helps increase the production profit of the factory. The PLC is small in size, the structure is not so complicated, and it is not durable, so maintenance is more convenient. PLC I / O devices are useful for maintenance as they can reflect manufacturing process changes and detect them effectively.

(1) Strong interference prevention function: One of the main characteristics of PLC is the strong interference prevention function, in some special environments, there is some radiation and electromagnetic interference, plc operation function is not affected. The main circuit module consists of a large-scale integrated circuit, and a filter rectifier circuit is added to the circuit, which prevents moisture, dust, earthquakes, etc. [1].<br>(2) Strong versatility: PLC control systems do not require electrical control components such as relays. Only soft components in the PLC are required for analog control. This effectively avoids a lot of hardware wiring and improves production efficiency. To change the functionality of a program, you only need to change the program in the programmer. The same PLC device can control different objects, but the software's input and output components are different in control. PLC AC 220V and DC 24V are provided by PLC.<br>(3) Simple programming: PLC is mainly used for user-oriented equipment. Users should use something that is simple and easy to learn. Most importantly, programming is the easiest to use and understand. At this point, PLC designers are also carefully considering the user's intentions and the habit of using IT. The ladder diagram is similar to a relay. This programming method is relatively easy to learn, intuitive, and easy to learn. You don't need advanced computer knowledge or special computer language.<br>(4) Perfect functions: With the continuous release of science and technology, PLC's capabilities have increased, and new functions have been able to perform process control, digital-to-analog conversion, information processing, and network functions individually from the original normal control to logical control, counting, timing, and so far. The gradual improvement of PLC capabilities means that its position in the industry is irreplaceable and that industry progress is inseparable from PLC. This allows PLC to realize man-machine interaction, indicating that the future direction of PLC development will go in the direction of intelligence.<br>(5) Convenient maintenance: Convenient PLC maintenance is also the main reason why PLC is widely used in industrial production. Convenient maintenance improves production efficiency, reduces unnecessary investment, and effectively helps increase factory production profits. Plc is smaller in size, less complex and less durable, making maintenance more convenient. PLCI/O devices are useful for maintenance because they can reflect changes in the manufacturing process and can be detected effectively.

（1）强力防干扰功能：PLC的主要特性之一是强大的防干扰功能，在某些特殊环境下，会有一些辐射和电磁干扰，PLC的工作功能不会受到影响。主电路模块由大规模集成电路构成，电路中追加了滤光器整流电路，可以防止湿气、灰尘、地震等。<br>（2）强大的通用性：PLC控制系统不需要继电器等电气控制组件。为了模拟控制，只需要PLC内的软件组件。由此，可以有效避免多条硬件布线，提高生产效率。要变更程序的功能，只需由程序员变更程序即可。在同一PLC设备中可以控制不同对象，但软件的输入/输出组件和控制方法不同。PLC AC 220 V和DC24V由PLC提供。<br>（3）简单的编程：PLC主要用于面向用户的设备。用户必须使用简单容易学习的东西。最重要的是程序设计最容易使用，也最容易理解。在这一点上，PLC的设计者也充分讨论了用户的意图和使用PLC的习惯。拉达图像继电器。这个编程方法比较简单，直观，容易掌握。不需要计算机相关的高级知识和特别的计算机语言。<br>（4）完美功能：随着科学技术的持续发布，PLC的功能越来越多，新功能分别从原始常规控制到逻辑控制、计数、定时、到目前为止分别执行过程控制、从数字到模拟转换、信息处理、网络功能的事是可能的。PLC功能的阶段性改善意味着在产业中的地位是不可替代的，产业的进步和PLC是不可分割的。这样PLC就可以实现人机对话功能，表明今后PLC的开发方向将朝着知性方向发展。<br>（5）方便维护：方便的PLC维护也是PLC在工业生产中广泛使用的主要原因。通过方便的维护，提高生产效率，减少不必要的投资，有助于增加工厂的生产利润。PLC尺寸小，结构不那么复杂，也没有耐久性，维护更方便。PLCI/O设备可以反映制造过程的变更，可以有效检测，有助于维护。<br>