HART Modem SM101-D: Reliable HART to RS485/RS232 Converter from China Suppliers and Factory
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
DC 12~24V
Ripple ≤ 200mV, Current ≥ 100mA
96 mm (L) × 80 mm (W) × 25 mm (H)
-20℃ ~ +80℃
10% ~ 80%
Frequently Asked Questions
Which operating systems are compatible with this HART modem?
This device supports Windows XP, Windows 7, and Windows 10 operating systems.
Do I need to install an external resistor during communication testing?
No. The modem has a built-in high-precision loop 250Ω resistor, so no additional resistor is required for communication testing.
What are the power input specifications for this device?
The power input voltage must be DC 12~24V. The power ripple must not exceed 200mV, and the current supply must provide at least 100mA.
Is this modem compatible with all HART protocols?
Yes, it is compatible with any standard HART protocol and features fully transparent data conversion using an isolation transformer.
What are the environmental limits for operation?
The device works in environments with temperatures ranging from -20℃ to +80℃, and relative humidity between 10% and 80%.
How can I monitor the working status of the modem?
The housing panel is designed with integrated status indicators, allowing you to clearly see the modem's operational state at any time.








