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One RS485 to multiple RS485 intelligent multiplexer MODBUS-RTU protocol

One RS485 to multiple RS485 intelligent multiplexer MODBUS-RTU protocol


Product introduction


SM700 R485 intelligent multiplexer is a product developed by using ARM microprocessor, special chip and combining a lot of practical experience.


It is designed according to the requirements of industrial products, and has the characteristics of high reliability and stability.

The intelligent converter is equipped with multiple standard rs485 interfaces.


Since the SM700 converter is specially designed for industrial integration, it adopts special design in terms of temperature range, vibration, electromagnetic compatibility and interface diversity, which ensures stable operation in harsh environments and provides high-quality assurance for your equipment


Product performance


With one RS485 or one RS232 interface, it can be converted into multiple RS485 interfaces.

Support multiple collectors or PCs, MODBUS RTU protocol.


The main parameters

Power supply: DC12—24V, the ripple of the power supply should not be greater than 200mV, and the current should provide 100mA.

Physical Dimensions: Length 100mm * Width 70mm * Height 26mm.

Working temperature: -20℃ - 80℃.

Relative humidity: 10% - 80%.


Premier Cable make USB serial cable and FTDI Cables


We are a cable factory with 400 workers, we also make OEM Cable and Wire Harness


Our cable including :









USB Console Cable 


USB Programming Cable

USB to RS485 cable


USB to RS422 cable


USB to RS232 cable


USB to RJ45 Modbus cable

RS232 and RS485 Hub 2 port 


RS232 and RS485 Hub 3 port 


RS232 and RS485 Hub 4 port 

Tel : 0086-0139-2949-7934
Skype : james198585 

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