1. Product Introduction
SM100 series HART intelligent converter is a product developed by using ARM microprocessor, HART protocol modulation and demodulation chip, combined with a lot of practical experience. It is designed according to the requirements of industrial products, and has high reliability and stability. The intelligent converter is equipped with standard RS232 interface and RS485 interface, which can transparently transmit data with HART protocol smart meters or read data using MODBUS_RTU protocol to ensure real-time data transmission. The HART protocol uses the Bell202 Frequency Shift Keying (FSK) standard to superimpose modulated digital signals on a 4-20mA basis, allowing the HART protocol instrument to allow bidirectional data communication without interfering with the 4-20mA analog signal. SM100 series intelligent converter is an intelligent converter for two-way modulation and demodulation of digital signal and analog signal.

Second, product features

1. Equipped with standard RS232 and RS485 communication interface, you can configure parameters, change the communication baud rate and parity bits, regardless of the 1200 communication speed on the HART bus, so as to improve the running speed of the whole system.

2. Adopt industrial general module shell, easy to install and debug.

3. Equipped with special configuration software, through the SM100 series smart converter, it can communicate with the HART protocol smart meter and configure the parameters of the smart converter

4. Support standard MODBUS_RTU protocols.

5. Support to connect multiple HART protocol smart meters at the same time.

6. Support a variety of special HART protocol smart meters, and can customize the reading of special HART protocol instructions of HART instruments.

SM100 series product technical parameters

1. Power supply: DC12-24V: The ripple of the power supply shall not be greater than 200mV, and the current shall be 100mA.

2. Physical size: length 134mm * width 71mm * height 43mm.

3. Working temperature: -20°C — 80°C.

4. Relative humidity: 10% — 80%.