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China 4-20mA to RS485 Modbus Converter - SM626H-DA Data Acquisition Unit from China Suppliers and Factory Manufacturer, Supplier
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China 4-20mA to RS485 Modbus Converter - SM626H-DA Data Acquisition Unit from China Suppliers and Factory Manufacturer, Supplier
The SM626H-DA data acquisition unit is a cutting-edge micro RTU system, engineered with an advanced ARM-based microcontroller. This high-performance device features high-precision operational amplifiers, specialized interface chips, robust input and output circuits, and an embedded communication module. Designed for remote data acquisition, the SM626H-DA offers exceptional stability and cost-effectiveness, making it ideal for industrial applications, With its MODBUS-RTU communication functionality via RS485 interface, the SM626H-DA data collector supports a seamless 4 to 20 mA current output. Tailored specifically for industrial product integration, this unit is constructed to withstand extreme conditions, featuring enhanced thermal range, vibration resistance, electromagnetic compatibility, and versatile interface options. These attributes assure stable operation even in harsh environments, providing reliability and quality assurance for your equipment, As a leading product in China’s technology market, the SM626H-DA is supplied by reputable suppliers and manufactured in top-tier factories, ensuring that you receive a high-quality data acquisition solution for your industrial needs
Dual analog acquisition with 16-bit high-precision A/D simultaneous sampling.
Supports 4 ~ 20 mA current output for versatile integration.
Equipped with one dedicated RS485 communication interface.
Configurable upper/lower limits and starting points for analog quantities.
Integrated power-off memory: parameters are preserved without reset.
Real-time communication transceiver indicators for visual status monitoring.
Key Features
System Efficiency: The SM626H-DA collects 2 channels of 4-20mA signals and intelligently converts them into 1 channel of 4-20mA and 1 channel of 485 communication data.
Technical Parameters
Dimensions96 mm × 80 mm × 25 mm
Operating Temp-20 ℃ ~ + 80 ℃
Relative Humidity10% ~ 80%
Power InputDC 24V
Input SignalDC 4 ~ 20mA
Frequently Asked Questions
What signal conversion does the SM626H-DA perform?
The SM626H-DA collects 2 channels of 4-20mA input and converts them into 1 channel of 4-20mA output and 1 channel of RS485 communication signal.
Will I lose my settings if the power goes out?
No, the device is equipped with a power-off memory function. All your configuration parameters are saved automatically and do not need to be reset after power is restored.
How accurate is the signal sampling on this collector?
The collector utilizes 16-bit high-precision A/D simultaneous sampling across two analog channels, ensuring highly accurate data acquisition.
What are the environmental operating limits?
The device operates reliably in temperatures ranging from -20 ℃ to +80 ℃ and in environments with 10% to 80% relative humidity.
How can I verify the communication status?
The unit includes built-in communication transceiver indicators that provide immediate visual feedback on the collector's current working and data transfer status.
Is the analog range adjustable?
Yes, users can set the upper and lower limits as well as the starting point of the analog quantity according to specific application requirements.
