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HART Modem SM101-D - China Suppliers Factory RS485 to RS232 Converter for HART Instruments

The SM101-D HART modem, developed and manufactured by Jiaxing Songmao Electronics Co., Ltd., stands out as a leading solution in the industry. This robust modem is designed to facilitate seamless communication with HART instruments from various renowned manufacturers including Rosemount, E+H, Siemens, Cologne, Yokogawa, and Kawai. Our modem features both standard RS485 and RS232 interfaces, ensuring that users can connect effortlessly and efficiently.
Tailored for industrial integration, the SM101-D modem boasts specialized designs for temperature range, vibration resistance, electromagnetic compatibility, and diverse interfaces. This allows for stable operation even in the most challenging environments, providing high-quality assurance for your equipment. As a reliable supplier from China, our factory is committed to delivering innovative solutions that meet the demands of modern industries.

Product Details

Product Performance

Supported operating systems: Windows XP, Windows 7, Windows 10.
Using industrial universal module housing, easy to install and debug.
Equipped with special configuration software, it can communicate data with HART instruments through a modem.
Standard HART protocol transmission.
Fully transparent data conversion.
Compatible with any HART protocol.
HART signals are transmitted using an isolation transformer.
Built-in high-precision loop 250Ω resistor, no additional resistor is needed during communication testing.
The housing panel features status indicators, providing clear visibility of the modem's operational state.

Main Parameters

Power Input Voltage

DC 12~24V

Ripple ≤ 200mV, Current ≥ 100mA

Housing Dimensions

96 mm × 80 mm × 25 mm

Length × Width × Height

Working Temperature

-20℃ ～ +80℃

Relative Humidity

10% ~ 80%

Frequently Asked Questions

Which operating systems are compatible with this HART modem?

The modem supports Windows XP, Windows 7, and Windows 10 operating systems.

Does this device require an external resistor for testing?

No, it features a built-in high-precision loop 250Ω resistor, eliminating the need for any additional external resistors during communication testing.

What are the power requirements for the input voltage and current?

The power input voltage must be DC 12~24V, with a power ripple no greater than 200mV. The current source must provide at least 100mA.

What are the physical dimensions and housing design of the product?

The device is housed in an industrial universal module casing designed for easy installation and debugging. Its dimensions are 96 mm in length, 80 mm in width, and 25 mm in height.

Under what environmental conditions can this modem operate?

It is designed to work in temperatures ranging from -20℃ to +80℃, with a relative humidity level between 10% and 80%.

How does the device indicate its current operational state?

The housing panel is equipped with status indicators that provide clear and real-time visibility of the modem's current operational state.