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Product

 [SD9713]  Explosion-proof temperature and humidity sensor

SD9713
Technical parameterParameter value
BrandSONBEST
InterfaceRS485/4-20mA/DC0-10V
PowerDC6~24V 1A
PowerDC12~24V 1A
Running temperature-30~85℃
Working humidity5%RH~90%RH

Product Selection

    Product DesignRS485,4-20mA,DC0-10VMultiple output methods, the products are divided into the following models depending on the output method.
Product model output method
SD9713BRS485总线
SD9713M4-20mA
SD9713V10DC0-10V

Product Size

SD9713 SD9713 SD9713 SD9713

Why choose this product?

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How to use?

SD9713

Application solution

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Product List

SD9713

Pictures

SD9713

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 as 121, assuming the data magnification is 100, then the real value is 121/100=1.21, Others and so on.
2. Common data address table
Configuration Address Register Address Register Description Data Type Value Range
4000100 00温humidityRead 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

  For example, the range is -30~80, the analog output is 4~20mA current signal, and current The calculation relationship is as shown in the formula: C = (A2-A1) * (X-B1) / (B2-B1) + A1, where A2 is range upper limit, A1 is the lower limit of the range, B2 is current output range upper limit, B1 is the lower limit, X is the currently read value, and C is the calculated current value. The list of commonly used values is as follows:
current(mA)Value () Calculation Process
4-30(80-(-30))*(4-4)÷(20-4)+-30
5-23.125(80-(-30))*(5-4)÷(20-4)+-30
6-16.25(80-(-30))*(6-4)÷(20-4)+-30
7-9.375(80-(-30))*(7-4)÷(20-4)+-30
8-2.5(80-(-30))*(8-4)÷(20-4)+-30
94.375(80-(-30))*(9-4)÷(20-4)+-30
1011.25(80-(-30))*(10-4)÷(20-4)+-30
1118.125(80-(-30))*(11-4)÷(20-4)+-30
1225(80-(-30))*(12-4)÷(20-4)+-30
1331.875(80-(-30))*(13-4)÷(20-4)+-30
1438.75(80-(-30))*(14-4)÷(20-4)+-30
1545.625(80-(-30))*(15-4)÷(20-4)+-30
1652.5(80-(-30))*(16-4)÷(20-4)+-30
1759.375(80-(-30))*(17-4)÷(20-4)+-30
1866.25(80-(-30))*(18-4)÷(20-4)+-30
1973.125(80-(-30))*(19-4)÷(20-4)+-30
2080(80-(-30))*(20-4)÷(20-4)+-30
    As shown in the above formula, when measuring 8mA, current current is 31.5。
  For example, the range is -30~80, the analog output is 0~10V DC0-10Vvoltage signal, and DC0-10Vvoltage The calculation relationship is as shown in the formula: C = (A2-A1) * (X-B1) / (B2-B1) + A1, where A2 is range upper limit, A1 is the lower limit of the range, B2 is DC0-10Vvoltage output range upper limit, B1 is the lower limit, X is the currently read value, and C is the calculated DC0-10Vvoltage value. The list of commonly used values is as follows:
DC0-10Vvoltage(V)Value () Calculation Process
0-30(80-(-30))*(0-0)÷(10-0)+-30
1-19(80-(-30))*(1-0)÷(10-0)+-30
2-8(80-(-30))*(2-0)÷(10-0)+-30
33(80-(-30))*(3-0)÷(10-0)+-30
414(80-(-30))*(4-0)÷(10-0)+-30
525(80-(-30))*(5-0)÷(10-0)+-30
636(80-(-30))*(6-0)÷(10-0)+-30
747(80-(-30))*(7-0)÷(10-0)+-30
858(80-(-30))*(8-0)÷(10-0)+-30
969(80-(-30))*(9-0)÷(10-0)+-30
1080(80-(-30))*(10-0)÷(10-0)+-30
    As shown in the above formula, when measuring 5V, current DC0-10Vvoltage is 55。
software for test product
After downloading, please read the readme.txt documentation

Data and Software
software for test product
Data and Software
software for test product
After downloading, please read the readme.txt documentation

Data and Software

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