China SM626H-A Data Collector - GPRS/4G Communication, Modbus Protocol, Reliable Factory Supplier
Product Specifications
- Four-way analog acquisition, 16-bit high-precision A/D simultaneous sampling function.
- Two-channel pulse counting function and two-channel switching value sampling function.
- DC 24V output, 20 mA drive capability (dedicated to power supply of two-wire sensors).
- RS485 instrument communication interface, supporting MODBUS_RTU protocol.
- USB interface for convenient parameter setting.
- Configurable parameter type, range, starting point, upper/lower limit alarm threshold, and pulse bottom.
- Configurable station number, time, communication parameters, etc.
- Supports dynamic domain name and fixed IP.
- UDP or TCP modes supported for reliable data transmission.
- All operating parameters can be queried and configured both locally and remotely.
- Power-off memory function ensures parameters do not need resetting after power loss.
- Large-capacity EEPROM saves data once per minute and stores historical data for one month.
- Communication transceiver and module status indicators clearly display operating conditions.
- Supports connection to foreign communication networks.
Product Features
SM626H-A can wirelessly transmit the collected signals.
Main Parameters
Frequently Asked Questions (FAQ)
What signal acquisition capabilities does the SM626H-A support?
The SM626H-A features four-way analog acquisition with a 16-bit high-precision A/D simultaneous sampling function, along with a two-channel pulse counting function and a two-channel switching value sampling function.
Does the device support remote parameter configuration?
Yes, all operating parameters can be queried and set both locally (via the USB interface) and remotely to accommodate different installation scenarios.
How does the power-off memory function protect collected data?
The device features a power-off memory function so configuration parameters do not need resetting. Additionally, it is equipped with a large-capacity EEPROM that saves data once a minute and stores historical data for up to one month.
Can the SM626H-A power external sensors directly?
Yes, the module is equipped with a dedicated DC 24V output with a 20 mA drive capability specifically designed to supply power to two-wire sensors.
What are the environmental and protection ratings for this module?
The SM626H-A features an IP65 protection class rating. It has a working temperature range of -20 ℃ to +80 ℃ and a storage temperature range of -25 ℃ to +80 ℃, making it suitable for demanding environments.
Which communication interfaces and protocols are supported?
It is equipped with an RS485 instrument communication interface supporting the MODBUS_RTU protocol. It also supports wireless signal transmission, dynamic domain names, fixed IPs, and UDP or TCP data transmission modes.








