|This instruction and examples use and refer to PuTTY. Another program with a command line interface can also be used, but the user interface looks different.|
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.
To connect to AQT530, create a local maintenance connection over the serial RS-232 interface.
Connect your computer to AQT530 with the service cable kit.
Connect the open-ended cables of the power source to the adapter and attach the adapter to the DC power connector (10 ... 25 V DC).
Alternatively, connect your own power source directly to the DC power connector.
Wire color Power Red + Black −
- On your computer, select .
On your computer, select
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).
In PuTTY, select Serial or Serial &
The screen may look different, depending on the computer and Windows operating system version.
In PuTTY Configuration, select the COM port where you connected ATEN USB to Serial Bridge.
Use the following COM port settings.
Parameter Value Speed (baud) 115200 Data bits 8 Stop bits 1 Parity None Flow control None
These settings are applied on your computer so that it can connect to AQT530.
Connection to AQT530 is now open and you can proceed to read and set parameters.
To start, press ENTER or type command motd.