SONBEST QM6375L User Manual
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SONBEST QM6375L User Manual

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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
Sha nghai hitdo Industrial Co., Lt
QM6375L
Us er Ma nual
QM6375L
User Manual
File Version: V22.1.18
d TRANBALL Brand Division
http://www.qunbao.com/
Page1

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Summary of Contents for SONBEST QM6375L

  • Page 1 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...

  • Page 2: Technical Parameters

    QM6375L Us er Ma nual excellent long-term stability,can be customized RS232,RS485,CAN,4-20mA,DC0~5V\10V,ZIGBEE,Lora,WIFI,GPRS and other output methods. Technical Parameters Technical parameter Parameter value Brand TRANBALL Smoke measuring range 0~5000ppm ±7% Smoke allow deviation ±5% Smoke Repeatability test Smoke detection chip Import digital ±0.5%/℃...

  • Page 3: Wiring Instructions

    QM6375L Us er Ma nual 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: Application Solution

    QM6375L Us er Ma nual again. Core color Identification Note Power + Green Power - Yellow RS485 A+ Blue 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.

  • Page 5: How To Use

    QM6375L Us er Ma nual How to use? d TRANBALL Brand Division Page5 Sha nghai hitdo Industrial Co., Lt...

  • Page 6: Communication Protocol

    QM6375L Us er Ma nual 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 is shipped, the default baud rate is 9600, 8, n, 1 1.
  • Page 7 QM6375L Us er Ma nual 40003 00 02 humidity Read Only 0~65535 40004 00 03 Read Only 0~65535 40005 00 04 Read Only 0~65535 40006 00 05 PM2.5 Read Only 0~65535 40007 00 06 PM10 Read Only 0~65535 40101...

  • Page 8: Change The Baud Rate

    QM6375L Us er Ma nual Device ID Function id Start Address Data Length CRC16 00 67 00 01 35 D5 Read the baud rate encoding of the current device. Baud rate encoding: 1 is 2400; 2 is 4800; 3 is 9600;...
  • Page 9 Product specifications and product descriptions may be modified at any time without notice. Contact Us Company: Shanghai Sonbest Industrial Co., Ltd TRANBALL Brand Division Address:Building 8,No.215 North east road,Baoshan District,Shanghai,China Web: http://www.qunbao.com Web: http://www.tranball.com...

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