GPRS Remote Transmission SM626H-A All-Netcom Data Collector - China Suppliers Factory for 4G Communication & Modbus Protocol
Product Specifications
With four-way analog acquisition, 16-bit high-precision A/D simultaneous sampling function.
It has two-channel pulse counting function and two-channel switching value sampling function.
With a DC 24V output, 20 mA drive capability (dedicated to power supply of two-wire sensors).
With a RS485 instrument communication interface, supporting MODBUS _ RTU protocol.
USB interface is used to set parameters.
The parameter type, range, starting point, upper and lower limit alarm threshold and pulse bottom of the collected data can be configured.
Configurable station number, time, communication parameters, etc.
Support dynamic domain name and fixed IP.
UDP or TCP mode supporting data transmission.
All operating parameters can be queried and set both locally and remotely.
With power-off memory function, parameters do not need to be reset after power off.
Equipped with large-capacity EEPROM, it can save data once a minute and can save historical data for one month.
The communication transceiver and module status indicator can clearly indicate the working attitude of the collector.
Support foreign communication network.
Product Features
SM626H-A can wirelessly transmit the collected signals
Main Parameters
| Installation Dimension | Length 83 mm × width 94 mm. |
|---|---|
| Shell Size | 123 mm long × 105 mm wide × 33 mm high. |
| Working Temperature | -20 ℃ ~ + 80 ℃. |
| Storage Temperature | -25 ℃ ~ + 80 ℃. |
| Power Input Voltage | DC 9 ~ 24V. |
| Analog Input Impedance | 250Ω, can collect 4 ~ 20mA, 0 ~ 5V DC signal. |
| Protection Class | IP65. |
Frequently Asked Questions
What signal types can the SM626H-A collect?
The SM626H-A features four-way analog acquisition with 16-bit high-precision A/D simultaneous sampling, allowing it to collect 4 ~ 20mA and 0 ~ 5V DC signals with an analog input impedance of 250Ω.
Does the device support wireless data transmission?
Yes, the SM626H-A can wirelessly transmit the collected signals and supports foreign communication networks using UDP or TCP modes with dynamic domain names or fixed IPs.
What are the power requirements and sensor support capabilities?
The module operates on an input voltage of DC 9 ~ 24V. It also provides a dedicated DC 24V output with 20 mA drive capability specifically for powering two-wire sensors.
How is the historical data stored on the device?
It is equipped with a large-capacity EEPROM that can automatically save data once every minute, storing up to one month of historical data securely.
Will the settings be lost if the power goes out?
No, the device features a power-off memory function. All configured parameters are saved and do not need to be reset after a power failure.
What is the protection rating and environmental tolerance of the module?
The module has an IP65 protection rating, making it highly resistant to dust and water. It operates reliably within a working temperature range of -20 ℃ to +80 ℃.








