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Online version of platinum thermal resistance collector

8 AD acquisition channels, which can be connected to multiple temperature measuring resistors at the same time.
The AD sampling rate is fast and the precision is high.
Support access to the network, reporting data and alarm information to the platform.
Support RS485 or LoRa communication, which is convenient for engineering networking and industrial applications.
Power supply anti-reverse protection design, wiring more assured.
Constant current control, low power consumption design, long service life.
Multiple indicator lights, the running status is clear at a glance.
Using industrial grade chips, built-in watchdog, stable and reliable operation.

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  • 产品描述
  • Product Description
  • Roduct Parameters
  • Specifications
  • Instructions For Use

  • 8 AD acquisition channels, which can be connected to multiple temperature measuring resistors at the same time.
    The AD sampling rate is fast and the precision is high.
    Support access to the network, reporting data and alarm information to the platform.
    Support RS485 or LoRa communication, which is convenient for engineering networking and industrial applications.
    Power supply anti-reverse protection design, wiring more assured.
    Constant current control, low power consumption design, long service life.
    Multiple indicator lights, the running status is clear at a glance.
    Using industrial grade chips, built-in watchdog, stable and reliable operation.

  •    This product is a high-performance, high-sensitivity temperature data acquisition terminal with 8-channel AD acquisition ports, which can be connected to PT100/PT1000 thermal resistance sensors, and supports RS485 or LORA communication, which is convenient for engineering networking and industrial applications. Support secondary development. Support access to the network, and can directly report data and alarm information to the MQTT platform.。

  • Product Size Description

    Dimensions: millimeters (mm)

    pic

    Product interface, button, indicator light description

    pic

    1、DC12~24V

    • pic  V+：The positive pole of the power supply.

    • pic  V- ：The negative pole of the power supply.

    2、DC12V

    • pic  DC12V power supply access

    3、LAN Interface

    • pic  Network cable access, the access network and the computer need to be in the same local area network

    4、RS485 Interface

    • pic A+：RS485 positive.

    • pic B- ：RS485 negative.

    5、CH1~CH8

    • pic +：Connect a wire of a different color to the resistive sensor.

    • pic -：Connect to one of the two wires of the same color of the resistance sensor.

    • pic G：Connect to one of the two wires of the same color of the resistive sensor.

    6、DSP Interface

    • pic ESP32 debug port.

    7、Download Button

    • pic ESP32 Download Button.

    8、MCU Interface

    • pic  Stm32 Debug Port

    9、Work Indicator

    • pic  RS485 indicator: flashes for 50ms when external RS485 is read.

    • pic  LoRa indicator: flashes for 50ms when external LoRa is read.

    • pic  SYS indicator: always on, the communication between esp32 and stm32 is abnormal; off: the network is not connected; flashing for 1 second: normal work.

    • pic  PWR indicator: always on when power on.

    10、Collection Indicator

    • pic CH1~CH8 indicators: Lights up during acquisition, and goes out when acquisition is complete.

     

     

  • Specification parameter
    Power DC12V~24V
    interface 2 power ports, 1 network port, 1 RS485 interface, 8 differential ADC input channels, 1 LoRa interface, 2-way debug port
    Working temperature -10~60℃
    Working humidity <85%RH (no condensation)
    input signal PT100/PT1000
    precision class 0.1% FS(excluding lead error)
    Sampling frequency 32HZ
    resolution 0.1℃
    protection level Power interface polarity protection, input channel photoelectric isolation
    RS485 Standard MODBUS protocol, baud rate 115200, 8 data bits, 1 stop bit, no parity



  • Instructions For Use
    pic  Instructions For Use
     
             After the device is installed, it can work normally when powered on.
     

    Protocol Description

                The device supports the "MQTT protocol", please contact our staff for the specific protocol

     

    Disclaimer OF Warranties

                The company reserves the right to change this specification and update the product. The specification and product may be updated without prior notice without affecting the product quality and user usage. We are not responsible for any direct, indirect, intentional or unintentional damage and hidden dangers caused by improper use and out-of-specification use.

     

     

     

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