Technical Parameters
Technical parameter |
Parameter value |
Brand |
XUNCHIP |
measurement range |
0~200mW/cm2 |
measurement accuracy |
± 7% FS |
wavelength range |
240-370nm |
Maximum angle |
90 degrees |
Resolution |
1uW/cm2 |
Interface |
RS485/4-20mA/DC0-10V |
Power |
DC6~24V 1A |
Power |
DC12~24V 1A |
Running temperature |
-30~85℃ |
Working humidity |
5%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 |
XM8566B |
RS485总线 |
XM8566M |
4-20mA |
XM8566V10 |
DC0-10V |
Product Size
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How to use?
Application solution
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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 |
01 |
03 |
00 00 |
00 01 |
84 0A |
For the correct query frame, the device will respond with data: 01 03 02 02 18 B9 2E , response format:
Address |
Function Code |
Length |
Data 1 |
Check Code |
01 |
03 |
02 |
02 18 |
B9 2E |
Data description: The data in the command is hexadecimal, take data 1 as an example, 02 24 is converted to decimal value as 536, assuming the data magnification is 100, then the real value is 536/100=5.36, Others and so on.
2. Common data address table
Configuration Address |
Register Address |
Register Description |
Data Type |
Value Range |
40001 |
00 00 |
紫外线200 |
Read Only |
0~65535 |
40101 |
00 64 |
Model Code |
Read/Write |
0~65535 |
40102 |
00 65 |
total number of measuring points |
read/write |
1~20 |
40103 |
00 66 |
device address |
read/write |
1~249 |
40104 |
00 67 |
baud rate |
read/write |
0~6 |
40105 |
00 68 |
communication mode |
read/write |
1~4 |
40106 |
00 69 |
protocol type |
read/write |
1~10 |
For example, the range is 0~400ppm, the analog output is 4~20mA current signal, conductivity and current The calculation relationship is as shown in the formula: C = (A2-A1) * (X-B1) / (B2-B1) + A1, where A2 is conductivity 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 conductivity value, and C is the calculated current value. The list of commonly used values is as follows:
current(mA) |
conductivityValue (ppm) |
Calculation Process |
4 |
0.0 |
(400-0)*(4-4)÷(20-4)+0 |
5 |
25.0 |
(400-0)*(5-4)÷(20-4)+0 |
6 |
50.0 |
(400-0)*(6-4)÷(20-4)+0 |
7 |
75.0 |
(400-0)*(7-4)÷(20-4)+0 |
8 |
100.0 |
(400-0)*(8-4)÷(20-4)+0 |
9 |
125.0 |
(400-0)*(9-4)÷(20-4)+0 |
10 |
150.0 |
(400-0)*(10-4)÷(20-4)+0 |
11 |
175.0 |
(400-0)*(11-4)÷(20-4)+0 |
12 |
200.0 |
(400-0)*(12-4)÷(20-4)+0 |
13 |
225.0 |
(400-0)*(13-4)÷(20-4)+0 |
14 |
250.0 |
(400-0)*(14-4)÷(20-4)+0 |
15 |
275.0 |
(400-0)*(15-4)÷(20-4)+0 |
16 |
300.0 |
(400-0)*(16-4)÷(20-4)+0 |
17 |
325.0 |
(400-0)*(17-4)÷(20-4)+0 |
18 |
350.0 |
(400-0)*(18-4)÷(20-4)+0 |
19 |
375.0 |
(400-0)*(19-4)÷(20-4)+0 |
20 |
400.0 |
(400-0)*(20-4)÷(20-4)+0 |
As shown in the above formula, when measuring 8mA, current current is 104ppm。
For example, the range is 0~400ppm, the analog output is 0~10V DC0-10Vvoltage signal, conductivity and DC0-10Vvoltage The calculation relationship is as shown in the formula: C = (A2-A1) * (X-B1) / (B2-B1) + A1, where A2 is conductivity 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 conductivity value, and C is the calculated DC0-10Vvoltage value. The list of commonly used values is as follows:
DC0-10Vvoltage(V) |
conductivityValue (ppm) |
Calculation Process |
0 |
0.0 |
(400-0)*(0-0)÷(10-0)+0 |
1 |
40.0 |
(400-0)*(1-0)÷(10-0)+0 |
2 |
80.0 |
(400-0)*(2-0)÷(10-0)+0 |
3 |
120.0 |
(400-0)*(3-0)÷(10-0)+0 |
4 |
160.0 |
(400-0)*(4-0)÷(10-0)+0 |
5 |
200.0 |
(400-0)*(5-0)÷(10-0)+0 |
6 |
240.0 |
(400-0)*(6-0)÷(10-0)+0 |
7 |
280.0 |
(400-0)*(7-0)÷(10-0)+0 |
8 |
320.0 |
(400-0)*(8-0)÷(10-0)+0 |
9 |
360.0 |
(400-0)*(9-0)÷(10-0)+0 |
10 |
400.0 |
(400-0)*(10-0)÷(10-0)+0 |
As shown in the above formula, when measuring 5V, current DC0-10Vvoltage is 200ppm。