AB 2711P-T10C4D1 module

AB 2711P-T10C4D1 module

6. With the integration and development of IT and OT technology, the industrial Internet of Things has become the trend of the times, and the related technologies of PLC communication and the Internet of Things will be popular in the future. Common PLC controller communication includes communication between PLC controllers and communication between PLC controllers and other intelligent devices. With the development of industrial control automation, all PLC controller manufacturers attach great importance to the communication function of PLC controllers and have launched their own network systems. The new PLC controller has a communication interface, which is very convenient for communication. Miniaturization and integration will be higher and higher. With the requirements of the market for miniaturization and integration, PLC technology will be more integrated into industrial, automotive, communications and other products. PLC products are characterized by control and data processing. While meeting the functions, the process requirements are also more detailed. With the development of intelligent factories and the Internet of Things, new requirements have been put forward for the technical development of PLC in the fields of joint control of factory equipment, data interaction between PLC and mainframe and other intelligent products, and big data application. This is a new opportunity and a huge challenge. This requires that PLC products have strong environmental adaptability, stability and reliability, can easily access various networks while maintaining a high cost performance ratio, and give full play to the role of PLC products in data acquisition and data interaction.

work environment
(1) Temperature PLC requires an ambient temperature of 0~55oC. During installation, it should not be placed under elements with large heat, and the surrounding ventilation and heat dissipation space should be large enough.
(2) Humidity To ensure the insulation performance of PLC, the relative humidity of air should be less than 85% (non condensing).
(3) The vibration shall keep the PLC away from strong vibration sources and prevent frequent or continuous vibration with vibration frequency of 10~55Hz. When vibration is unavoidable in the use environment, damping measures must be taken, such as damping rubber.
(4) The air shall be free of corrosive and flammable gases, such as hydrogen chloride, hydrogen sulfide, etc. For the environment with more dust or corrosive gas in the air, PLC can be installed in the control room or control cabinet with good sealing.
(5) The power supply PLC has certain ability of resisting power line interference. In the environment with high reliability requirements or serious power interference, isolation transformer with shielding layer can be installed to reduce the interference between the equipment and the ground. Generally, PLC has DC 24V output to the input. When external DC power supply is used at the input end, DC regulated power supply shall be selected. Due to the influence of ripple, ordinary rectifier and filter power supply is easy to make PLC receive error information.

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