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China RS485 to 3-Channel Multi-Channel Converter Factory - SM701-A (B) MODBUS 1-in-3-Out Distributor Suppliers

The SM701-A (B) intelligent multiplexer is an advanced product developed in China, utilizing ARM microprocessor technology and specialized chips. With insights gained from extensive practical experience, this multiplexer is tailored to meet the demanding requirements of industrial applications. It is characterized by high reliability and stability, making it an ideal choice for industrial environments. Designed by leading suppliers in the field, the smart converter features 2 standard RS485 interfaces, ensuring seamless connectivity.
The SM701-A (B) multiplexer stands out as it focuses on industrial integration, with specific enhancements for temperature range, vibration resistance, electromagnetic compatibility, and interface diversity. This robust design guarantees stable operation even in harsh conditions, providing high-quality assurance for your equipment. As a trusted product from a reputable factory, the SM701-A (B) is perfect for businesses looking to enhance their operational efficiency.

Product Details

Product Specifications

One RS485 or RS232 interface can be converted into two RS485 interfaces.
Support standard and non-standard MODBUS _ RTU protocol transmission.
Equipped with standard RS485 or RS232 interface, it can communicate with computer or server.
Support multiple collectors or PCs.
Baud rate, check bit, stop bit and other communication parameters can be set according to the actual access of RS485 or RS232 instrument.
With power-off memory function, parameters do not need to be reset after power off.

Product Features

Shell size: length 96 mm × width 80 mm × height 25 mm.
Working temperature: -20 ℃ ~ + 80 ℃.
Relative humidity: 10% ~ 80%.
Power supply input voltage: DC 12 ~ 24V, the ripple of the power supply shall not be greater than 200 mA, and the power supply shall provide 100mA.

Main Parameters

Physical Dimensions（L × W × H）	71mm × 52 mm × 22 mm.
Operation Ambient Temperature	-20℃～+80℃
Relative Humidity	10% ～ 80%

Frequently Asked Questions

How many interfaces can this device convert?

This device can convert one standard RS485 or RS232 interface into two RS485 interfaces, facilitating communication with computers or servers.

Does it support the MODBUS protocol?

Yes, it fully supports the transmission of both standard and non-standard MODBUS_RTU protocols.

Will my settings be lost if the power goes out?

No, the device features a built-in power-off memory function, ensuring that your communication parameters do not need to be reset after a power interruption.

What are the power supply requirements for this product?

The device requires a DC 12 ~ 24V power supply input. The power supply ripple should not exceed 200 mA, and the source must supply at least 100mA.

What is the operating temperature range?

The device is designed to operate reliably in ambient temperatures ranging from -20 ℃ to +80 ℃, with a relative humidity level of 10% to 80%.