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HART to 485 Converter for 4-20mA Output | Reliable Modbus Protocol Converter from China Suppliers & Factory

The SM100-T-B-2 multi-variable current output converter represents a cutting-edge solution, featuring HART protocol integration, RS485 communication, and multiple current outputs. Designed by leading China suppliers, this product incorporates a robust interface chip, a reliable hardware watchdog circuit, and an embedded HART modem chip, ensuring stable performance at an attractive price point.

Manufactured in a state-of-the-art factory, the SM100-T-B-2 multivariable current output converter adheres strictly to industrial standards. It is engineered to withstand extreme temperature ranges, vibrations, and electromagnetic interference while offering diverse interface options. This design guarantees stable operation in challenging environments, providing high-quality assurance for your critical equipment.

Product Details

Product Features

Equipped with RS485 communication interface, parameters can be configured.

With special configuration software, it can communicate with HART protocol intelligent instrument.

With 2 current outputs, it can transmit current to HART variables (optional function).

Support single HART protocol intelligent instrument.

Support a variety of special HART protocol intelligent instruments.

With power-off memory function, parameters do not need to be reset after power off.

Main Parameters

Mounting dimensions	117 mm L × 35 mm W × 90 mm H
Working temperature	-20 ℃ ~ + 80 ℃
Storage temperature	-25 ℃ ~ + 80 ℃
Power input voltage	DC 12 ~ 24V
HART protocol sampling resistor	250Ω

Frequently Asked Questions

What communication interfaces does this device support?

The device is equipped with an RS485 communication interface that allows parameters to be configured easily. It also supports communication with HART protocol intelligent instruments using special configuration software.

Does the device support multiple current outputs?

Yes, the device features an optional function that provides 2 current outputs, enabling the transmission of current to HART variables.

Will I lose my configuration settings after a power failure?

No. Thanks to the integrated power-off memory function, all configured parameters are safely retained and do not need to be reset after power is restored.

What are the dimensions and mounting size of this unit?

The mounting dimensions of the unit are 117 mm in Length × 35 mm in Width × 90 mm in Height.

What are the input voltage and environmental temperature requirements?

The device requires a power input voltage of DC 12 ~ 24V. It operates in temperatures from -20 ℃ to + 80 ℃, and can be stored in environments ranging from -25 ℃ to + 80 ℃.

What is the resistance value of the built-in HART sampling resistor?

The device features a built-in HART protocol sampling resistor rated at 250Ω.