China SM626H-DA 4-20mA to RS485 Analog Converter - Reliable Modbus Protocol Data Acquisition Unit from Factory Suppliers

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Introducing the SM626H-DA data acquisition unit, an advanced micro RTU system designed for industrial applications. Manufactured in China, this high-performance device is powered by an ARM-based microcontroller, featuring high-precision operational amplifiers, a robust interface chip, and integrated input and output circuits. As a reliable solution from leading suppliers, the SM626H-DA ensures economical performance without compromising quality.
Equipped with MODBUS-RTU communication via RS485 interface, the SM626H-DA data collector seamlessly interfaces with various equipment and supports 4 ~ 20 mA current output, making it ideal for remote data acquisition tasks. This product is meticulously engineered for industrial integration, featuring a specialized design that accommodates wide temperature ranges, resistance to vibration, electromagnetic compatibility, and diverse interfaces. This guarantees stable operation even in the harshest environments, providing exceptional quality assurance for your equipment. Trust the SM626H-DA from reputable manufacturers and suppliers to enhance your data collection processes in demanding settings.

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Product Description

Product Specifications

Two analog acquisition with 16-bit high-precision A/D simultaneous sampling function.

Equipped with a 4 ~ 20 mA current output.

One RS485 interface dedicated to high-speed RS485 communication.

Configurable upper and lower limits and starting point for analog quantity.

Power-off memory function ensures parameters are retained without resetting.

Real-time communication transceiver indicator for clear status monitoring.

Product Features

The SM626H-DA collects 2 channels of 4-20mA signals and efficiently converts them into 1 channel of 4-20mA output and 1 channel of RS485 communication.

Main Parameters

Shell Size 96 mm × 80 mm × 25 mm
Working Temperature -20 ℃ ~ + 80 ℃
Relative Humidity 10% ~ 80%
Power Input Voltage DC 24V
Input Signal DC 4 ~ 20mA

Frequently Asked Questions

Q1: What are the primary signal conversion capabilities of the SM626H-DA?
A: The SM626H-DA is designed to collect 2 channels of 4-20mA input signals and convert them into 1 channel of 4-20mA output and 1 channel of RS485 communication interface.
Q2: Does the device retain configured parameters during a power outage?
A: Yes, the device features a built-in power-off memory function. All configured parameters are saved and do not need to be reset after power is restored.
Q3: What is the operating temperature range for this signal collector?
A: The device operates reliably in environments with temperatures ranging from -20 ℃ to +80 ℃ and relative humidity levels between 10% and 80%.
Q4: What power input voltage is required for the SM626H-DA?
A: The device requires a standard DC 24V power input voltage for operation.
Q5: How can I monitor the communication status of the device?
A: The device is equipped with a dedicated communication transceiver indicator light that clearly displays the real-time working and communication status of the collector.
Q6: Can I customize the analog settings on the device?
A: Yes, you can set the upper and lower limits as well as the starting point of the analog quantity according to your application requirements.

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