Vaisala AQT530, Configuration Manual, Page: 3 / 64

Table of contents
1. About this document .......................................................................................5
1.1 Version information .............................................................................................5
1.2 Related manuals .................................................................................................. 5
1.3 Documentation conventions ..............................................................................6
1.4 Trademarks ...........................................................................................................6
2. Product overview .............................................................................................. 8
2.1 Vaisala Air Quality Transmitter AQT530 ........................................................... 8
2.2 Safety .................................................................................................................... 9
2.2.1 Eye safety ..................................................................................................... 10
2.2.2 ESD protection ..............................................................................................11
3. Configuration .....................................................................................................12
3.1 Interface overview ..............................................................................................12
3.2 Configuration overview ..................................................................................... 12
3.3 Measurement output ......................................................................................... 14
3.3.1 Conversion factors for gases ......................................................................16
4. CLI operation ..................................................................................................... 17
4.1 Connecting to AQT530 over RS-232 ................................................................17
4.2 Configuring Modbus interface .........................................................................20
4.3 Configuring ASCII CSV data sending ...............................................................21
4.3.1 ASCII CSV data message ........................................................................... 22
4.4 Changing temperature unit ............................................................................. 24
4.5 Setting system time ..........................................................................................24
4.6 Adjusting linear correction ...............................................................................25
5. CLI commands and parameters ................................................................28
5.1 Overview of CLI commands and parameters ................................................ 28
5.2 CLI command reference ................................................................................... 28
5.3 Setting date (date command) ........................................................................ 30
5.4 Restoring default configuration (initconf command) .................................. 30
5.5 Printing LPC information (lpc command) .......................................................31
5.6 Printing measurements and changing measurement output
unit (meas command)
..................................................................................... 32
5.7 Clearing screen (motd command) ..................................................................34
5.8 Restarting device (reboot command) ............................................................35
5.9 Changing configuration parameter (set command) .....................................35
5.9.1 CLI parameters ............................................................................................36
5.10 Printing value of configuration parameter (show command) .................... 40
5.11 Printing device status (status command) ..................................................... 40
5.12 Printing Unix name (uname command) ..........................................................41
5.13 Saving to non-volatile memory (write command) ....................................... 42
6. Modbus interface description ....................................................................43
6.1 Supported Modbus protocols ..........................................................................43
6.2 Function codes ..................................................................................................43
6.3 Device identification .........................................................................................43
6.4 Byte order ..........................................................................................................44
6.5 Modbus register addresses for AQT530 ........................................................ 45
6.6 Setting up system time over Modbus interface .............................................52
7. Troubleshooting .............................................................................................. 53
7.1 Writing a problem report ................................................................................. 53
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