The 485 data communication module is a data communication device based on the RS-485 bus protocol. It is usually used in industrial automation, intelligent manufacturing and other fields to realize data collection and control of field equipment. 485 data communication modules usually have the characteristics of high-speed transmission, multi-point communication, and high reliability, and can achieve long-distance wireless transmission or wired transmission.
In actual applications, the appropriate 485 data communication module can be selected according to specific application scenarios and needs, and programmed according to the actual situation.
Regarding the cost , the cost of the 485 data communication module varies depending on factors such as model, brand, performance, etc. Generally speaking, the price of ordinary 485 data communication modules ranges from tens to hundreds of yuan; for example, ZHC4013 4G DTU module supports 485 data communication, and the sales fee is 199 yuan/unit; other high-performance , high-bandwidth 485 data communication module is relatively expensive.
In addition, the prices of 485 data communication modules of different brands and models will also vary. Users need to choose based on specific needs.