Products Categories

China SM701-A (B) 3-Channel RS485 Multi-Channel Converter - Reliable Factory Supplier for Industrial Use

The SM701-A (B) Intelligent Multiplexer is a cutting-edge product developed in China, leveraging ARM microprocessor technology and specialized chips. As a reliable solution offered by our factory, it integrates extensive practical experience to meet the stringent requirements of industrial applications. This multiplexer is designed for high reliability and stability, making it the go-to choice among suppliers for industrial products, Equipped with two standard RS485 interfaces, the SM701-A (B) is tailored for industrial integration. Its unique design addresses key factors such as temperature range, vibration, electromagnetic compatibility, and diverse interfaces, ensuring stable performance even in harsh environments. Trust the SM701-A (B) Intelligent Multiplexer to provide the high-quality assurance your equipment needs

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 RS485 or RS232 interface into two RS485 interfaces.

Does the device support the MODBUS protocol?

Yes, it supports both standard and non-standard MODBUS_RTU protocol transmission.

Will my settings be lost if the power goes off?

No. The device features a power-off memory function, so parameters do not need to be reset after a power outage.

What are the power supply requirements?

The device requires a power supply input voltage of DC 12 ~ 24V. The ripple of the power supply must not exceed 200 mA, and the power supply must provide 100mA.

What is the operating temperature range for this device?

The working temperature range is -20 ℃ to +80 ℃, allowing it to operate in various industrial environments.

Can I adjust the communication parameters?

Yes, communication parameters such as baud rate, check bit, and stop bit can be customized according to the actual requirements of the connected RS485 or RS232 instrument.