Vaisala AQT530 Configuration Manual
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Vaisala AQT530 Configuration Manual

Vaisala air quality transmitter
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M212572EN-C
Configuration Guide
Vaisala Air Quality Transmitter
AQT530

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Summary of Contents for Vaisala AQT530

  • Page 1 M212572EN-C Configuration Guide Vaisala Air Quality Transmitter AQT530...
  • Page 2 This product contains software developed by party without prior written permission of the Vaisala or third parties. Use of the software is copyright holder. Translated documents and governed by license terms and conditions...

  • Page 3: Table Of Contents

    Table of contents Table of contents About this document..................5 Version information.....................5 Related manuals....................5 Documentation conventions................6 Trademarks......................6 Product overview....................8 Vaisala Air Quality Transmitter AQT530............8 Safety........................9 2.2.1 Eye safety..................... 10 2.2.2 ESD protection....................11 Configuration.....................12 Interface overview....................12 Configuration overview..................12 Measurement output..................
  • Page 4 AQT530 Configuration Guide M212572EN-C Appendix A: M12 pinout and wiring............55 Appendix B: OSS licenses................56 Warranty......................59 Technical support.....................59 Recycling......................59...
  • Page 5 List of figures List of figures Figure 1 Location of Class 1 laser product labels on AQT530........10 Figure 2 Location of Class 3B laser radiation label on AQT530 inside laser particle counter (LPC)................11 Figure 3 Byte order for 32-bit values................44 Figure 4 Byte order for string fields................45...
  • Page 6 Parameters for show command..............40 Table 35 Parameters for uname command..............41 Table 36 Parameters for write command..............42 Table 37 Modbus register addresses................45 Table 38 Troubleshooting AQT530................. 53 Table 39 Pinout of M12 connector................... 55 Table 40 AQT530 OSS license..................56...

  • Page 7: About This Document

    Chapter 1 – About this document 1. About this document 1.1 Version information This document provides instructions for configuring Vaisala Air Quality Transmitter AQT530. Table 1 Document versions (English) Document code Date Description M212572EN-C September 2021 • Modbus register address type updated for 0x0066 - 0x006B •...

  • Page 8: Documentation Conventions

    AQT530 Configuration Guide M212572EN-C Document code Name M212572EN Vaisala Air Quality Transmitter AQT530 Configuration Guide M212580EN Vaisala Air Quality Transmitter AQT530 Maintenance Guide The documentation is available online at http://www.vaisala.com/aqt530. 1.3 Documentation conventions WARNING! Warning alerts you to a serious hazard. If you do not read and follow instructions carefully at this point, there is a risk of injury or even death.
  • Page 9 Chapter 1 – About this document Microsoftâ and Windowsâ are either registered trademarks or trademarks of Microsoft Corporation in the United States and other countries.

  • Page 10: Product Overview

    Vaisala Air Quality Transmitter AQT530 measures the pollution content of ambient air. AQT530 is available in different models for measuring gases, particles, or both. AQT530 is specifically designed for air quality monitoring networks in areas with traffic, road networks, or around transportation hubs.

  • Page 11: Safety

    Failure to comply with these precautions or with specific warnings elsewhere in these instructions violates safety standards of design, manufacture, and intended use of the product. Vaisala assumes no liability for the customer's failure to comply with these requirements. WARNING! If the equipment is used in a manner not specified by Vaisala, the protection provided by the equipment may be impaired.

  • Page 12: Eye Safety

    M212572EN-C 2.2.1 Eye safety Vaisala Air Quality Transmitter AQT530 is classified as a Class 1 laser device in accordance with International Standard IEC 60825-1. It complies with 21 CFR 1040.10 and 1040.11 except for conformance with IEC 60825-1 ED. 3., as described in the Laser Notice No. 56, dated May 8,2019.

  • Page 13: Esd Protection

    WARNING - CLASS 3B LASER RADIATION WHEN OPEN. AVOID EXPOSURE TO BEAM Figure 2 Location of Class 3B laser radiation label on AQT530 inside laser particle counter (LPC) Follow the safety information to avoid exposure to laser radiation. 2.2.2 ESD protection Electrostatic Discharge (ESD) can damage electronic circuits. Vaisala products are adequately protected against ESD for their intended use.

  • Page 14: Configuration

    • Linear correction can be done over both CLI and Modbus interface. • Some read-only parameters are available only in CLI interface. In addition, AQT530 outputs data over the Modbus interface or in ASCII CSV format over the RS-485 interface.
  • Page 15 Set system time Setting date ( date 0x0057 ... 0x005C command) (page 30) Setting up system time over Modbus interface (page 52) show AQT530, base module, Printing LPC information Modbus device • serial LPC, and HMP ( lpc command) identification: identification (read-only) •...

  • Page 16: Measurement Output

    Restarting device 0x00FA ( reboot command) (page 35) To use the CLI commands, establish a local maintenance connection to AQT530 over RS-232. More information ‣ Overview of CLI commands and parameters (page 28) ‣ Modbus register addresses for AQT530 (page 45) 3.3 Measurement output...

  • Page 17: Table 7 Pressure

    Chapter 3 – Configuration Table 7 Pressure Value Modbus ASCII CSV Air pressure 0x000C: 0.1 hPa • meas: hPa • meas --metric: hPa • meas --ppb: hPa Table 8 Gas concentration Value Modbus ASCII CSV • 0x0000: ppb • meas: ppm • 0x0066: 0.1 µg / m³ •...

  • Page 18: Conversion Factors For Gases

    μg/m • meas --metric: μg/m • meas --ppb: μg/m More information ‣ Modbus register addresses for AQT530 (page 45) ‣ Printing measurements and changing measurement output unit (meas command) (page 32) ‣ ASCII CSV data message (page 22) 3.3.1 Conversion factors for gases Conversion from ppb to µg/m...

  • Page 19: Cli Operation

    Once you have installed and set up AQT530 as instructed in Vaisala Air Quality Transmitter AQT530 Setup Guide, you may sometimes need to connect to AQT530 locally, for example, to change the settings.
  • Page 20 3. On your computer, select Start > Control Panel > Device Manager > Ports (COM & LPT). In Device Manager, check to which port AQT530 is connected with name ATEN USB to Serial Bridge. For example: ATEN USB to Serial Bridge (COM1).
  • Page 21 These settings are applied on your computer so that it can connect to AQT530. 6. Select Open. Connection to AQT530 is now open and you can proceed to read and set parameters. To start, press ENTER or type command motd.

  • Page 22: Configuring Modbus Interface

    7, 8 bits RS-485 data bits rs485_parity • N = None Text − RS-485 parity • E = Even Case insensitive • O = Odd rs485_stopbits uint8 1, 2 bits RS-485 stop bits 1. Establish a connection to AQT530.

  • Page 23: Configuring Ascii Csv Data Sending

    ‣ Modbus register addresses for AQT530 (page 45) 4.3 Configuring ASCII CSV data sending The ASCII CSV output mode is an alternative to AQT530 Modbus API. It is a simplified measurement monitoring output for users that are only collecting data, without the ability to control and monitor the AQT530 device otherwise.

  • Page 24: Ascii Csv Data Message

    ‣ Changing configuration parameter (set command) (page 35) ‣ Saving to non-volatile memory (write command) (page 42) 4.3.1 ASCII CSV data message The ASCII CSV data message is used for outputting AQT530 measurement data. <Timestamp>,<Conditions>,<Gases>,<Particles>,<Config>,<Uptime> Table 13 ASCII CSV message data fields...
  • Page 25 Chapter 4 – CLI operation Field Description Example Particles 0.1,1.1,1.9 Particle measurement results in µg/m separated by a comma: • PM , PM , PM The particle measurement results are included when an LPC device is installed and enabled Config Device setup represented with symbols T:H:P:NO2:CO:O3:NO:PM1:PM2.5:PM1 separated by colon (:):...

  • Page 26: Changing Temperature Unit

    AQT530 Configuration Guide M212572EN-C The actual message does not contain line feeds. 4.4 Changing temperature unit 1. Establish a connection to AQT530. 2. To change the temperature unit to Celsius, type: set tempunit=0 write --really To change to Fahrenheit, type: set tempunit=1 write --really 3.

  • Page 27: Adjusting Linear Correction

    0x0008 - 0x0009 Particle matter PM , PM , and PM in μg/m with linear correction 0x0037 After making these changes, AQT530 outputs data corrected by these zero and span correction factors. Table 15 Linear correction parameters - gases Parameter Type Range Default...

  • Page 28: Table 16 Linear Correction Parameters - Particles

    AQT530 Configuration Guide M212572EN-C Parameter Type Range Default Unit Description no2_span uint8 1 ... 255 0.01 sensor span correction (1 ... 255 = 0.01 ... 2.55) so2_zero int16 −10000 ... 10000 sensor zero correction so2_span uint8 1 ... 255 0.01 sensor span correction (1 ...
  • Page 29 Chapter 4 – CLI operation 1. Establish a connection to AQT530. 2. Adjust the gain and offset of the parameters. For example, to adjust offset up by 100 ppb and sensitivity 1.2 times higher, type: set o3_zero=100 set o3_span=120 3. To save the changes: write --really The new values overwrite the previous zero and span values.

  • Page 30: Cli Commands And Parameters

    • Configuration commands: date, initconf, set, show, write • Measurement output command: meas • LPC identification command: lpc • Device status command: status The AQT530 parameters include a set of read-only and read/write parameters. Read/write parameters: • Modbus interface configuration parameters Table 24 (page 36) •...
  • Page 31 Writes the configuration changes Saving to non-volatile memory to non-volatile memory of the ( write command) (page 42) device. To use the commands, establish a connection to AQT530. More information ‣ Connecting to AQT530 over RS-232 (page 17) ‣ CLI parameters (page 36)

  • Page 32: Setting Date (Date Command)

    AQT530 Configuration Guide M212572EN-C 5.3 Setting date (date command) To display or change the device date, use the date command. date [YYYY-MM-DDThh:mm:ss] Table 18 Parameters for date command Parameter Value Mandatory Description (none) − − Shows the current date and time. YYYY-MM- Year, month, day, Sets a new date.

  • Page 33: Printing Lpc Information (Lpc Command)

    Chapter 5 – CLI commands and parameters The command does not affect the following configurations: • Device identification information • Factory calibration information The command does not affect connected devices, such as laser particle counter (LPC) and the temperature and humidity (TH) probe. Example response: Loading default configuration...

  • Page 34: Printing Measurements And Changing Measurement Output Unit (Meas Command)

    AQT530 Configuration Guide M212572EN-C lpc --info Example response 1: Serial: B3245009 SW ver: 3.0.243.ad102e1 Example response 2 (no LPC connected): No LPC option installed! 5.6 Printing measurements and changing measurement output unit (meas command) To display the measurements with specific units, use the meas command.
  • Page 35 Chapter 5 – CLI commands and parameters NO2 (ppm): 0.004 SO2 (ppm): 0.562 CO (ppm): 0.077 O3 (ppm): -0.002 PM1 (ug/m3): 0.1 PM2.5 (ug/m3): 0.4 PM10 (ug/m3): 2.2 TEMP (C): 22.2 HUM (%RH): 31.2 PRES (mbar): 1012.4 Uptime (s): 10850 Example of setting measurement output to use metric (µg/m ) units.

  • Page 36: Clearing Screen (Motd Command)

    AQT530 Configuration Guide M212572EN-C NO2 (ppb): 4.5 SO2 (ppb): 698.6 CO (ppb): 97.5 O3 (ppb): -0.4 PM1 (ug/m3): 0.1 PM2.5 (ug/m3): 0.4 PM10 (ug/m3): 2.2 TEMP (C): 22.3 HUM (%RH): 30.9 PRES (mbar): 1012.4 Uptime (s): 10923 Example of setting measurement output to print without linear correction, using parts per million (ppm) units.

  • Page 37: Restarting Device (Reboot Command)

    Chapter 5 – CLI commands and parameters Vaisala Air Quality Transmitter AQT530 FW version 3.0.783.a51b18d Copyright (c) 2020 Vaisala Oyj 5.8 Restarting device (reboot command) To restart the device, use the reboot command. reboot --really If gas cells are in use, rebooting the device restarts the 24 hour stabilization time.

  • Page 38: Cli Parameters

    ‣ Configuring ASCII CSV data sending (page 21) ‣ Changing temperature unit (page 24) ‣ Adjusting linear correction (page 25) 5.9.1 CLI parameters The following configuration and status parameters are available with AQT530. Use the parameters with commands set and show. Table 24 Modbus interface configuration parameters Parameter...

  • Page 39: Table 25 Temperature Unit Parameter

    Chapter 5 – CLI commands and parameters Parameter Type Range Default Unit Description rs485_databits uint8 7, 8 bits RS-485 data bits rs485_parity • N = None Text − RS-485 parity • E = Even Case insensitive • O = Odd rs485_stopbits uint8 1, 2...

  • Page 40: Table 27 Linear Correction Parameters - Particles

    = 0.001 ... 10.000) Table 28 Device identification parameters (read-only) Parameter Type Range Unit Description serial Text − − AQT530 device serial number in Vaisala format Table 29 Base module identification parameters (read-only) Parameter Type Range Unit Description swver Text − −...

  • Page 41: Table 30 Base Module Monitoring Parameters (Read-Only)

    Chapter 5 – CLI commands and parameters Parameter Type Range Unit Description cal_date Text − − Base module calibration date in ISO 8601 format (YYYY-MM-DD) Combination of parameter values: • cal_day • cal_month • cal_year cal_day uint16 1 - 31 Base module calibration day of month cal_month...

  • Page 42: Printing Value Of Configuration Parameter (Show Command)

    AQT530 Configuration Guide M212572EN-C Parameter Type Range Unit Description hmp_version Text − − HMP110 firmware version number 5.10 Printing value of configuration parameter (show command) To view the value of a configuration parameter, use the show command. show <parameter> Table 34 Parameters for show command...

  • Page 43: Printing Unix Name (Uname Command)

    Value Mandatory Description (none) − − Prints the Unix name of the system in short format. Fixed Prints the Unix name of the system in long format. Querying short name: uname Example response: $ uname Vaisala aqt-fw Querying long name:...

  • Page 44: Saving To Non-Volatile Memory (Write Command)

    AQT530 Configuration Guide M212572EN-C uname -a Example response: Vaisala aqt-fw 3.0.783.a51b18d 2020-12-17T08:10:40Z B210887-E avr-m1280/328p 5.13 Saving to non-volatile memory (write command) To write the configuration changes to the non-volatile memory of the device, use the write command. write --really Use the write command together with the other commands, for example set.

  • Page 45: Modbus Interface Description

    Read Holding Registers 0x06 Write Single Register 0x2B / 0x0E Read Device Identification 6.3 Device identification AQT530 supports the following device identification objects. AQT530 supports only individual access of device identification objects (Read Device ID code 0x04). Object ID Category Description Example 0x00...

  • Page 46: Byte Order

    AQT530 Configuration Guide M212572EN-C Object ID Category Description Example 0x81 Extended Calibration date 2020-11-04 0x85 Extended Hardware B210887-E version 6.4 Byte order Individual registers follow the Modbus standard big endian byte order for 16-bit values. Values greater than 16 bits comprise multiple registers. These values are organized as follows.

  • Page 47: Modbus Register Addresses For Aqt530

    + 7 Figure 4 Byte order for string fields 6.5 Modbus register addresses for AQT530 The following register addresses are available in AQT530. The register addresses are: • R = Read only • RW = Read/write • W = Write only Table 37 Modbus register addresses...
  • Page 48 AQT530 Configuration Guide M212572EN-C Address Type Unit Register Description count 0x0002 int16 Carbon monoxide (CO) concentration in parts per billion (ppb) with linear correction • For a value without linear correction, use register 0x006E • For µg/m value, use register 0x0068...
  • Page 49 Chapter 6 – Modbus interface description Address Type Unit Register Description count 0x0016 uint16 Unit configuration flags (bits/description) Bits Description 15:2 Reserved LPC configuration: • 0 = No LPC • 1 = LPC Reserved 0x001A int16 Seconds elapsed after last measurement data update 0x001B int16...
  • Page 50 AQT530 Configuration Guide M212572EN-C Address Type Unit Register Description count 0x004B int16 Status reported by device • 0 = Unknown. Status information not yet available, starting up • 1 = Ok. Operating normally • 2 = Degraded. Operating but functionality degraded •...
  • Page 51 Chapter 6 – Modbus interface description Address Type Unit Register Description count 0x0066 int16 Nitrogen dioxide (NO ) concentration 0.1 µg/m calculated from ppb value with linear correction (register 0x0000) Calculated by means of selected conversion type . Calculation method is selected with register 0x0065 0x0067 int16...
  • Page 52 AQT530 Configuration Guide M212572EN-C Address Type Unit Register Description count 0x0070 int16 Hydrogen sulfide (H S) concentration in parts per billion (ppb), without linear correction • For a value with linear correction, use register 0x0004 0x0071 int16 Trioxygen (ozone) (O...
  • Page 53 Chapter 6 – Modbus interface description Address Type Unit Register Description count 0x0087 int16 linear correction gain value (1 ... 255, corresponding gain values 0.01 ... 2.55) 0x0088 int16 linear correction gain value (1 ... 255, corresponding gain values 0.01 ... 2.55) 0x0089 int16 linear correction gain value (1 ...

  • Page 54: Setting Up System Time Over Modbus Interface

    AQT530 Configuration Guide M212572EN-C Address Type Unit Register Description count 0x00B4 char[8] AQT product device serial number (8-character string) 0x00B8 char[8] HMP serial number (8-character string) 0x00BC char[8] LPC serial number (8-character string) 0x00C3 int16 Circuit board serial number, part 1...

  • Page 55: Troubleshooting

    Chapter 7 – Troubleshooting 7. Troubleshooting If the product does not work as it should, check all cables and connectors. Check the maintenance needs. If the failure persists, contact Vaisala technical support. Table 38 Troubleshooting AQT530 Problem Probable cause Remedy Measurement failure or irrelevant The settings are incorrect.
  • Page 56 AQT530 Configuration Guide M212572EN-C • Input power source type, voltage, and list of other items (such as lighting, heaters, and motors) that were connected to the same power output. • Are all parts connected and grounded properly? Take a photo to help the...

  • Page 57: Appendix A: M12 Pinout And Wiring

    The 8-pin M12 connector is located on the side of the air quality transmitter and provides power and data to the transmitter. The following pinout is from the side of AQT530, not the cable. Figure 5 Pinout of M12 connector Table 39 Pinout of M12 connector...

  • Page 58: Appendix B: Oss Licenses

    To request a copy of certain open source code as required by certain applicable OSS licenses, send an email to opensourcesw@vaisala.com with the subject line OSS source code request. List of installed packages and their respective versions and licenses: Table 40 AQT530 OSS license Library Version License avr-lic 2.0.0...
  • Page 59 Appendix B – OSS licenses License text The contents of avr-libc are licensed with a Modified BSD License. All of this is supposed to be Free Software, Open Source, DFSG-free, GPL-compatible, and OK to use in both free and proprietary applications. See the license information in the individual source files for details.
  • Page 60 AQT530 Configuration Guide M212572EN-C from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

  • Page 61: Warranty

    Conditions of Sale for details of the warranty for each product. Technical support Contact Vaisala technical support at helpdesk@vaisala.com. Provide at least the following supporting information as applicable: • Product name, model, and serial number •...
  • Page 64 www.vaisala.com...

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