Technical Parameters
|
Technical parameter |
Parameter value |
|
Brand |
XUNCHIP |
|
Wind speed range |
0~30m/s |
|
Wind speed accuracy |
±3% |
|
Induction principle |
Thermal film induction |
|
Interface |
RS485/4-20mA/DC0-5V/DC0-10V |
|
Power |
DC12~24V 1A |
|
Running temperature |
-30~80℃ |
|
Working humidity |
5%RH~90%RH |
Product Selection
Product DesignRS485,4-20mA,DC0-5V,DC0-10VMultiple output methods, the products are divided into the following models depending on the output method.
|
Product model |
output method |
|
XM8588B |
RS485总线 |
|
XM8588M |
4-20mA |
|
XM8588V5 |
DC0-5V |
|
XM8588V10 |
DC0-10V |
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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 |
wind speed |
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 0~30m/s, the analog output is 4~20mA current signal, wind speed and current The calculation relationship is as shown in the formula: C = (A2-A1) * (X-B1) / (B2-B1) + A1, where A2 is wind speed 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 wind speed value, and C is the calculated current value. The list of commonly used values is as follows:
|
current(mA) |
wind speedValue (m/s) |
Calculation Process |
|
4 |
0.0 |
(30-0)*(4-4)÷(20-4)+0 |
|
5 |
1.9 |
(30-0)*(5-4)÷(20-4)+0 |
|
6 |
3.8 |
(30-0)*(6-4)÷(20-4)+0 |
|
7 |
5.6 |
(30-0)*(7-4)÷(20-4)+0 |
|
8 |
7.5 |
(30-0)*(8-4)÷(20-4)+0 |
|
9 |
9.4 |
(30-0)*(9-4)÷(20-4)+0 |
|
10 |
11.3 |
(30-0)*(10-4)÷(20-4)+0 |
|
11 |
13.1 |
(30-0)*(11-4)÷(20-4)+0 |
|
12 |
15.0 |
(30-0)*(12-4)÷(20-4)+0 |
|
13 |
16.9 |
(30-0)*(13-4)÷(20-4)+0 |
|
14 |
18.8 |
(30-0)*(14-4)÷(20-4)+0 |
|
15 |
20.6 |
(30-0)*(15-4)÷(20-4)+0 |
|
16 |
22.5 |
(30-0)*(16-4)÷(20-4)+0 |
|
17 |
24.4 |
(30-0)*(17-4)÷(20-4)+0 |
|
18 |
26.3 |
(30-0)*(18-4)÷(20-4)+0 |
|
19 |
28.1 |
(30-0)*(19-4)÷(20-4)+0 |
|
20 |
30.0 |
(30-0)*(20-4)÷(20-4)+0 |
As shown in the above formula, when measuring 8mA, current current is 11.5m/s。
For example, the range is 0~30m/s, the analog output is 0~5V DC0-5Vvoltage signal, wind speed and DC0-5Vvoltage The calculation relationship is as shown in the formula: C = (A2-A1) * (X-B1) / (B2-B1) + A1, where A2 is wind speed range upper limit, A1 is the lower limit of the range, B2 is DC0-5Vvoltage output range upper limit, B1 is the lower limit, X is the currently read wind speed value, and C is the calculated DC0-5Vvoltage value. The list of commonly used values is as follows:
|
DC0-5Vvoltage(V) |
wind speedValue (m/s) |
Calculation Process |
|
0 |
0.0 |
(30-0)*(0-0)÷(5-0)+0 |
|
1 |
6.0 |
(30-0)*(1-0)÷(5-0)+0 |
|
2 |
12.0 |
(30-0)*(2-0)÷(5-0)+0 |
|
3 |
18.0 |
(30-0)*(3-0)÷(5-0)+0 |
|
4 |
24.0 |
(30-0)*(4-0)÷(5-0)+0 |
|
5 |
30.0 |
(30-0)*(5-0)÷(5-0)+0 |
As shown in the above formula, when measuring 2.5V, current DC0-5Vvoltage is 15m/s。
For example, the range is 0~30m/s, the analog output is 0~10V DC0-10Vvoltage signal, wind speed and DC0-10Vvoltage The calculation relationship is as shown in the formula: C = (A2-A1) * (X-B1) / (B2-B1) + A1, where A2 is wind speed 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 wind speed value, and C is the calculated DC0-10Vvoltage value. The list of commonly used values is as follows:
|
DC0-10Vvoltage(V) |
wind speedValue (m/s) |
Calculation Process |
|
0 |
0.0 |
(30-0)*(0-0)÷(10-0)+0 |
|
1 |
3.0 |
(30-0)*(1-0)÷(10-0)+0 |
|
2 |
6.0 |
(30-0)*(2-0)÷(10-0)+0 |
|
3 |
9.0 |
(30-0)*(3-0)÷(10-0)+0 |
|
4 |
12.0 |
(30-0)*(4-0)÷(10-0)+0 |
|
5 |
15.0 |
(30-0)*(5-0)÷(10-0)+0 |
|
6 |
18.0 |
(30-0)*(6-0)÷(10-0)+0 |
|
7 |
21.0 |
(30-0)*(7-0)÷(10-0)+0 |
|
8 |
24.0 |
(30-0)*(8-0)÷(10-0)+0 |
|
9 |
27.0 |
(30-0)*(9-0)÷(10-0)+0 |
|
10 |
30.0 |
(30-0)*(10-0)÷(10-0)+0 |
As shown in the above formula, when measuring 5V, current DC0-10Vvoltage is 15m/s。