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SONBEST QM6375L, User Manual

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SONBEST QM6375L User Manual Download Page 1

               

                QM6375L    Us er Ma nual                   

http://www.qunbao.com/ 

Sha nghai hitdo Industrial Co., Lt

d   TRANBALL Brand Division                                                                          Page1

 

 

 

QM6375L 

 

 

User Manual   

 

File Version: V22.1.18

   

        QM6375L using the standard    RS485 bus MODBUS-RTU protocol,easy access to PLC

，

DCS and 

other instruments or systems for monitoring conductivity,temperature,humidity,CO2,CO,PM2.5,PM10 state 
quantities.The internal use of high-precision sensing core and related devices to ensure high reliability and 

Summary of Contents for QM6375L

Page 1: ...al File Version V22 1 18 QM6375L using the standard RS485 bus MODBUS RTU protocol easy access to PLC DCS and other instruments or systems for monitoring conductivity temperature humidity CO2 CO PM2 5 PM10 state quantities The internal use of high precision sensing core and related devices to ensure high reliability and ...

Page 2: ... TRANBALL Smoke measuring range 0 5000ppm Smoke allow deviation 7 Smoke Repeatability test 5 Smoke detection chip Import digital Temperature characteristics 0 5 Temperature measuring range 30 80 Temperature measuring accuracy 0 5 25 PM2 5 range 0 999ug m3 PM2 5 accuracy 15 or 10ug m3 max 25 PM10 range 0 999ug m3 PM10 accuracy 15 or 35ug m3 max 25 Communication Interface RS485 Default baud rate 960...

Page 3: ...lCo Ltd TRANBALL Brand Division Page3 Wiring instructions Any incorrect wiring can cause irreversible damage to the product Please carefully wire the cable as follows in the case of power failure and then connect the cable to confirm the correctness and then use it ...

Page 4: ... Brand Division Page4 again ID Core color Identification Note 1 Red V Power 2 Green V Power 3 Yellow A RS485 A 4 Blue B RS485 B In the case of broken wires wire the wires as shown in the figure If the product itself has no leads the core color is for reference Application solution ...

Page 5: ...QM6375L User Manual http www qunbao com Shanghaihitdo IndustrialCo Ltd TRANBALL Brand Division Page5 How to use ...

Page 6: ...Start Address Data Length CRC16 01 03 00 00 00 07 04 08 For the correct query frame the device will respond with data 01 03 0E 00 7F 00 00 00 00 00 00 00 00 00 00 00 00 44 2A the response format is parsed as follows Device ID Function id Data Length Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 01 03 0E 00 79 00 7A 00 7B 00 7C 00 7D 00 7E Data Description The data in the command is hexadecimal Take da...

Page 7: ...Model Code CRC16 01 03 02 55 3C 00 01 3A 79 Response should be in the data the first byte 01 indicates that the real address of the current device is 55 3C converted to decimal 20182 indicates that the current device main model is 21820 the last two bytes 00 01 Indicates that the device has a status quantity 2 Change device address For example if the current device address is 1 we want to change t...

Page 8: ... or 64535 65535 For example when the display value is too small we can correct it by adding 100 The command is 01 03 00 6B 00 01 F5 D6 In the command 100 is hex 0x64 If you need to reduce you can set a negative value such as 100 corresponding to the hexadecimal value of FF 9C which is calculated as 100 65535 65435 and then converted to hexadecimal to 0x FF 9C The correction value starts from 00 6B...

Page 9: ... company makes no warranties express or implied regarding the sale and use of this product including the suitability for the specific use of the product the marketability or the infringement liability for any patent copyright or other intellectual property rights etc Product specifications and product descriptions may be modified at any time without notice Contact Us Company Shanghai Sonbest Indus...

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