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HART to 4-20mA Converter & Modbus Protocol: SM100-G Intelligent Alarm Controller from China Suppliers & Factory

The SM100-G HART intelligent alarm controller is engineered with an advanced ARM CPU and a HART protocol modem chip, drawing from extensive real-world experience. This reliable device is designed to meet the strict specifications required in industrial applications, ensuring exceptional stability and dependability, The intelligent alarm controller features a standard RS485 interface, enabling it to read data in the form of 4–20 mA current. It can seamlessly transmit this data using the HART protocol, or convert it to MODBUS_RTU protocol, making it a versatile choice for various systems. Real-time data monitoring is built in, allowing for immediate alarm actions as soon as the pre-defined alarm limits are reached, Utilizing HART protocol, our instrument allows for bidirectional data transmission without disrupting the 4 to 20 mA analog signal. This is achieved by superimposing a modulated digital signal on the analog stream using the Bell202 Frequency Shift Keying (FSK) standard. The SM100-G intelligent alarm controller facilitates the modulation and demodulation of both digital and analog signals, enhancing communication efficiency, As a trusted factory and supplier in China, we are committed to providing high-quality industrial solutions tailored to your specific needs

Product Details

Product Specifications

Outfitted with a common RS485 communication interface for parity check, communication baud rate, and parameter tuning. It increases the system's overall operating speed because it is not dependent on the HART bus's 1200 communication speed.
Adopt an industrial universal module shell, which makes commissioning and installation easier.
It has specialized configuration software that allows it to set up the SM100-G intelligent alarm controller's parameters and connect to an intelligent instrument that uses the HART protocol. Support for the common RTU and MODBUS protocols.
Capable of customizing the instructions for reading specific HART instruments, it supports a wide range of intelligent instruments with the HART protocol.
The output interface takes the shape of a DO relay with two or four channels.
With an output current of 1/2 4 ~ 20 mA.
The power-off memory function eliminates the need to reset parameters after turning off the power.
The alarm controller's operational state can be plainly seen via the status indicator.
Method of installation: fixed installation or regular rail installation.

Product Features

SM100-G collects HART protocol and outputs 4-20mA and 485 simultaneously.

SM100-G can communicate with smart instruments using HART protocol and has an alarm function.

Main Parameters

Power Supply Input Voltage DC 12 ~ 24 V

Current & Ripple Limit 100mA (Ripple ≤ 200 mA)

Enclosure Dimensions 145 mm L × 90 mm W × 73 mm H

Working Temperature -20 ℃ ~ + 80 ℃

Relative Humidity 10% ~ 80%

Frequently Asked Questions

What communication protocols and interfaces does the SM100-G support?

The SM100-G supports the common RTU and MODBUS protocols. It features a common RS485 communication interface for parity check, baud rate configuration, and parameter tuning, which operates independently of the HART bus's 1200 communication speed to improve system speed.

Can the SM100-G output both 4-20mA and RS485 signals simultaneously?

Yes, the SM100-G is capable of collecting HART protocol data and outputting 4-20mA and 485 signals simultaneously.

What are the power supply requirements for this controller?

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

Does the controller retain its settings if the power is turned off?

Yes, the SM100-G features a built-in power-off memory function that eliminates the need to reset parameters after turning off the power.

How is the SM100-G intelligent alarm controller installed?

The controller supports two methods of installation: fixed installation or regular rail installation, utilizing an industrial universal module shell for easier commissioning.

What are the environmental and physical limitations of the device?

The device has an enclosure dimension of 145 mm L × 90 mm W × 73 mm H. It operates in temperatures from -20 ℃ to +80 ℃ and relative humidity levels between 10% and 80%.