WindMaster and WindMaster Pro 1561-PS-0001. Issue 11 February 2017
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<STX>
Start of string character (ASCII value 2).
WindMaster Identification node address
The default setting is ‘Q’.
Horizontal wind speed
Shows the wind speed in the U / V Plane. See Fig 2.
Vertical wind speed
Shows the magnitude of wind speed in the W axis. See Fig 2.
Units
The Units identifier shows the units in which the wind speeds are measured.
Speed of Sound (SOS)
If enabled, this is displayed in metres per second.
Sonic temperature
If enabled, this is displayed in degrees C.
Status
This indicates either correct operation - Code 00 - or status code. See 11.4 for explanation of codes.
Analogue Inputs (Unit order option)
If enabled, the four Analogue inputs are an order option (see Para 8.1).
PRT (Unit order option)
If enabled, the Platinum Resistance Thermometer input is an order option (see Para 8.2).
Checksum
This enables the host system to check that the data has been correctly received. This is the EXCLUSIVE – OR of the
bytes between (and not including) the <STX> and <ETX> characters reported as ASCII Hex.
<ETX>
End of string character (ASCII value 3).
Output rate (not displayed)
The WindMaster delivers wind information at rates from 1 (default setting) to 32 outputs / second.
[The sample rate (20 or 32 Hz) is chosen automatically to be an appropriate multiple of the output rate.]
Data can be instantaneous or averaged (see section 10).
NOTE use at least 38400 baud if high output rates 20/32Hz are used with all parameter outputs on.
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