[SD2160B]  RS485 illuminance acquisition display


SD2160B SD2160B

Technical Parameters

Technical parameterParameter value
BrandSONBEST
Illuminance measuring range0~65535Lux
Illuminance allow deviation±7%
Repeatability test±5%
Illuminance detection chipImport digital
Wavelength range380nm~730nm
Communication InterfaceRS485
Default baud rate9600 8 n 1
PowerDC9~24V 1A
DisplayLCD
Running temperature-30~85℃
Working humidity5%RH~90%RH

Product Size

SD2160B

Wiring instructions

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Communication Protocol

    The product uses RS485 MODBUS-RTU standard protocol format, all operation or reply commands are hexadecimal data. The default device address is 1 when the device leaves the factory, and the module or NON-Recorder default baud rate is 9600,8,n,1 ,but data recorder default baud rate is 115200 .
1. Read data (function code 0x03)
    Inquiry frame (hexadecimal), sending example: query 1 data of 1# device, the upper computer sends the command: 01 03 00 00 00 01 84 0A .
Address Function Code Start Address Data Length Check Code
010300 0000 0184 0A
    For the correct query frame, the device will respond with data: 01 03 02 00 79 79 A6 , response format:
Address Function Code LengthData 1Check Code
0103 0200 79 79 A6
    Data description: The data in the command is hexadecimal, take data 1 as an example, 00 79 is converted to decimal value is 121, for general Sobo products, the temperature and humidity data magnification is 100, and the light data The magnification is 1 or 10. The data magnification of this product is 1, the real value is: 121/1=121, and so on.
2. Common data address table
Configuration Address Register Address Register Description Data Type Value Range
4000100 00illuminanceRead Only0~65535
4010100 64Model CodeRead/Write0~65535
4010200 65 total number of measuring points read/write 1~20
4010300 66device addressread/write1~249
4010400 67baud rateread/write0~6
4010500 68communication moderead/write1~4
4010600 69protocol typeread/write1~10


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