Technical Parameters
	
		
		
		
			| 
				Technical parameter | 
			
				Parameter value | 
		
		
			| 
				Brand | 
			
				XUNCHIP | 
		
		
			| 
				Radioactivity measuring range | 
			
				0~2000W/M2 | 
		
		
			| 
				Radioactivity allow deviation | 
			
				±7% | 
		
		
			| 
				Repeatability test | 
			
				±5% | 
		
		
			| 
				Radioactivity detection chip | 
			
				Import digital | 
		
		
			| 
				Wavelength range | 
			
				380nm~730nm | 
		
		
			| 
				Interface | 
			
				RS485/4-20mA/DC0-10V | 
		
		
			| 
				Power | 
			
				DC6~24V 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 | 
		
		
			| 
				XM8580B | 
			
				RS485总线 | 
		
		
			| 
				XM8580M | 
			
				4-20mA | 
		
		
			| 
				XM8580V10 | 
			
				DC0-10V | 
		
	
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	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 00 79 79 A6 , response format:
	
		
		
		
			| 
				Address | 
			
				Function Code | 
			
				Length | 
			
				Data 1 | 
			
				Check Code | 
		
		
			| 
				01 | 
			
				03 | 
			
				02 | 
			
				00 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 | 
		
		
			| 
				40001 | 
			
				00 00 | 
			
				Radioactivity | 
			
				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 0~1200W/M2, the analog output is 4~20mA current signal, Illuminance and current The calculation relationship is as shown in the formula: C = (A2-A1) * (X-B1) / (B2-B1) + A1, where A2 is Illuminance 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 Illuminance value, and C is the calculated current value. The list of commonly used values is as follows:
	
		
		
		
			| 
				current(mA) | 
			
				IlluminanceValue (W/M2) | 
			
				Calculation Process | 
		
		
			| 
				4 | 
			
				0.0 | 
			
				(1200-0)*(4-4)÷(20-4)+0 | 
		
		
			| 
				5 | 
			
				75.0 | 
			
				(1200-0)*(5-4)÷(20-4)+0 | 
		
		
			| 
				6 | 
			
				150.0 | 
			
				(1200-0)*(6-4)÷(20-4)+0 | 
		
		
			| 
				7 | 
			
				225.0 | 
			
				(1200-0)*(7-4)÷(20-4)+0 | 
		
		
			| 
				8 | 
			
				300.0 | 
			
				(1200-0)*(8-4)÷(20-4)+0 | 
		
		
			| 
				9 | 
			
				375.0 | 
			
				(1200-0)*(9-4)÷(20-4)+0 | 
		
		
			| 
				10 | 
			
				450.0 | 
			
				(1200-0)*(10-4)÷(20-4)+0 | 
		
		
			| 
				11 | 
			
				525.0 | 
			
				(1200-0)*(11-4)÷(20-4)+0 | 
		
		
			| 
				12 | 
			
				600.0 | 
			
				(1200-0)*(12-4)÷(20-4)+0 | 
		
		
			| 
				13 | 
			
				675.0 | 
			
				(1200-0)*(13-4)÷(20-4)+0 | 
		
		
			| 
				14 | 
			
				750.0 | 
			
				(1200-0)*(14-4)÷(20-4)+0 | 
		
		
			| 
				15 | 
			
				825.0 | 
			
				(1200-0)*(15-4)÷(20-4)+0 | 
		
		
			| 
				16 | 
			
				900.0 | 
			
				(1200-0)*(16-4)÷(20-4)+0 | 
		
		
			| 
				17 | 
			
				975.0 | 
			
				(1200-0)*(17-4)÷(20-4)+0 | 
		
		
			| 
				18 | 
			
				1050.0 | 
			
				(1200-0)*(18-4)÷(20-4)+0 | 
		
		
			| 
				19 | 
			
				1125.0 | 
			
				(1200-0)*(19-4)÷(20-4)+0 | 
		
		
			| 
				20 | 
			
				1200.0 | 
			
				(1200-0)*(20-4)÷(20-4)+0 | 
		
	
    As shown in the above formula, when measuring 8mA, current current is 304W/M2。
  For example, the range is 0~1200W/M2, the analog output is 0~10V DC0-10Vvoltage signal, Illuminance and DC0-10Vvoltage The calculation relationship is as shown in the formula: C = (A2-A1) * (X-B1) / (B2-B1) + A1, where A2 is Illuminance 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 Illuminance value, and C is the calculated DC0-10Vvoltage value. The list of commonly used values is as follows:
	
		
		
		
			| 
				DC0-10Vvoltage(V) | 
			
				IlluminanceValue (W/M2) | 
			
				Calculation Process | 
		
		
			| 
				0 | 
			
				0.0 | 
			
				(1200-0)*(0-0)÷(10-0)+0 | 
		
		
			| 
				1 | 
			
				120.0 | 
			
				(1200-0)*(1-0)÷(10-0)+0 | 
		
		
			| 
				2 | 
			
				240.0 | 
			
				(1200-0)*(2-0)÷(10-0)+0 | 
		
		
			| 
				3 | 
			
				360.0 | 
			
				(1200-0)*(3-0)÷(10-0)+0 | 
		
		
			| 
				4 | 
			
				480.0 | 
			
				(1200-0)*(4-0)÷(10-0)+0 | 
		
		
			| 
				5 | 
			
				600.0 | 
			
				(1200-0)*(5-0)÷(10-0)+0 | 
		
		
			| 
				6 | 
			
				720.0 | 
			
				(1200-0)*(6-0)÷(10-0)+0 | 
		
		
			| 
				7 | 
			
				840.0 | 
			
				(1200-0)*(7-0)÷(10-0)+0 | 
		
		
			| 
				8 | 
			
				960.0 | 
			
				(1200-0)*(8-0)÷(10-0)+0 | 
		
		
			| 
				9 | 
			
				1080.0 | 
			
				(1200-0)*(9-0)÷(10-0)+0 | 
		
		
			| 
				10 | 
			
				1200.0 | 
			
				(1200-0)*(10-0)÷(10-0)+0 | 
		
	
    As shown in the above formula, when measuring 5V, current DC0-10Vvoltage is 600W/M2。