Vaisala WMT700 - Manual (Page 188)

User's Guide ______________________________________________________________________
You can also troubleshoot WMT700 as follows:
- Fetch the error and event messages with the ERRORS
command. For more information, see section ERRORS — Get
Error Codes and Counts on page 116.
- Include diagnostics-related items in the data message. For
more information, see section Parameter Handling Commands
on page 111.
Restoring Serial Port Settings
If you are not familiar with the configured settings of the
WMT700 wind sensor, or if the settings have been accidentally
changed, you may not get any response when you send the OPEN
command to WMT700. In that case, restore the serial port settings
to known values.
To restore the default serial port settings using Windows
®
HyperTerminal:
1. Connect a cable between your terminal computer, power
supply, and WMT700.
2. Open the Windows
®
HyperTerminal program.
3. Cancel the new connection.
4. On the File menu, click Properties.
5. Select the correct COM port and click Configure.
6. Regardless of the configured port settings of WMT700,
select the following communication settings:
- Bits per second: 19200
- Data bits: 8
- Parity: None
- Stop bits: 1
- Flow Control: None
7. Close the New Connection Properties window.
8. Connect to WMT700 using the RS-485 interface.
9. Switch the sensor power supply off and back on.
186 __________________________________________________________________ M211095EN-E