Wh command – Vaisala WS425FG User Manual

Page 54

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User's Guide ______________________________________________________________________

52 ______________________________________________________________________________

Calibration in progress CR LF

When the calibrate function completes successfully, the sensor response
will be the following:

Calibration successful, saving parameters CR LF

The sensor will save the parameters calculated in the non-volatile
memory. After the save completion, the sensor will perform a complete
power on the initialization sequence.

If the sensor returns the following response

Calibration failed CR LF

either the sensor or the zero wind speed verifier is broken. Issue the WS
command to determine if any self tests have detected a sensor failure
after removing the verifier and then waiting for 30 seconds. If the tests
fail, the sensor must be repaired.

WH Command

This command displays the sensor command Help menu. The command
format is:

WH CR LF

The WH command provides a list of all commands available for the
sensor, with a brief description of syntax, arguments (if any), and
description. This message is intended for display to a terminal
connected to the RS-232 sensor port.

Command/Response Summary CR LF
CR LF
WA

Return average wind speed and direction CR LF
Response format:
CR LF
Byte 1:

STX CR LF

Byte: 2

Sensor ID = W CR LF

Byte: 3

Command identifier CR LF

Byte: 4

Sensor Status: P = PASS, F = Failed,
H = Bad heater CR LF

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