Categorization：Product Information
485 communication line, also known as RS-485 communication line, is a standardized interface protocol and transmission line for data communication. It is a serial communication protocol, which is often used in the field of industrial automation and remote data acquisition system. The 485 communication line has a wide range of applications, including but not limited to the following aspects: Industrial automation: The 485 communication line is widely used in the field of industrial automation to realize data communication between various devices and controllers. It can connect sensors, actuators, PLC, HMI and other devices for data acquisition, monitoring, control and scheduling. Building automation: 485 communication line plays an important role in the building automation system. It is used to connect various subsystems in the building management system, such as air conditioning system, lighting system, security system, etc., to achieve centralized control and management. Security monitoring: 485 communication line can be used to connect surveillance cameras, alarms, access control systems and other security equipment to achieve data transmission and control, for video surveillance, intrusion alarm and access control management. Public transport system: 485 communication lines are widely used in public transport systems, such as subways, buses, etc., for vehicle monitoring, data transmission and communication. The features and functions of the 485 communication line include: Long-distance transmission: The 485 communication line can support a longer communication distance, which can generally reach about 1200 meters, making it very suitable for application scenarios that need to span long distances. Multipoint communication: The 485 communication line supports point-to-point or multipoint communication between multiple devices, and can connect multiple devices to the same bus for data exchange. Strong anti-interference ability: 485 communication line adopts differential signal transmission, which has good anti-interference ability and can resist the influence of electromagnetic interference and noise in industrial environment. High data transmission rate: The 485 communication line supports a high data transmission rate, generally up to 115.2 Kbps, and is suitable for fast data exchange and real-time control. 485 communication line is a reliable and stable data communication interface, which is widely used in industrial automation, building automation, security monitoring, public transport and other fields. It has the characteristics and functions of long-distance transmission, multi-point communication, strong anti-interference ability and high-speed data transmission.
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