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The RS232 to RS485 module is an electronic module used to achieve media conversion between RS232 and RS485 protocols. RS232 and RS485 are two different interfaces, and RS-232 can only transmit up to 10 meters. When the communication distance is long, it is usually necessary to convert RS232 signals into RS485 signals. Because the RS-485 interface can transmit 1200 meters. The RS232 to RS485 module has the characteristics of strong flexibility, long extension distance, fast transmission speed, and strong anti-interference ability. It is widely used in various industrial automation control, LED display screens, intelligent building monitoring, power and electrical fields.
Working power supply: DC5-30V
Input/output: RS-232 to RS485 bidirectional communication
Communication speed: 1200~115200bps, up to 200kbps
Load capacity: If RS485 exceeds 32 devices, an additional repeater is required.
Communication distance: When using twisted pair cables at 9600bps, the communication distance is 1200 meters
Indicator lights: independent indicator lights for power and data channels
Usage environment: Environmental temperature: -20~50 ° C; Relative humidity: ≤ 85% RH; Avoid strong corrosive gases.
Protection level: RS-485 interface with 600W lightning surge protection per line,+/-15KV ESD protection Product dimensions: 102mm in length, 22.5mm in width, and 119mm in height
Poor Dobbin
Reviewed in the United States on October 27, 2024
This is a standard RS232 to RS485 converter supplied by many vendors.The converters are well-packed, and the board quality is adequate.As customary for Chinese-produced boards - no documentation.Please note that even when powered with +5V it still produces +/- 5V RS232 voltagesso an RS232/TTL converter is needed for Arduino serial connections.The board worked well for my Arduino project, as recommended.
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