Vaisala WINDCAP WS425 User's Guide download pdf (Page 163)

Chapter 5 _________________________________________________________________ Operation

WMT700 responds to the Wx command with a 19-character

fixed-length data message. For more information, see Table 51

below.

Table 51 WS425 A/B ASCII Data Message

Character

Description

┐ 02H (<STX>, start of transmission)

Averaging in seconds

Status:

P = Pass

F = Fail

Wind direction (most significant digit)

Wind direction (middle digit)

Wind direction (least significant digit)

Wind speed (most significant digit)

Wind speed (next digit)

Wind speed (least significant digit)

. (dot character)

Wind speed (tenth digit)

Wind speed unit:

M = Miles per hour

K = Knots

L = Kilometers per hour

T = Meters per second

Checksum (most significant digit). For more information, see the

note below

Checksum (least significant digit)

└ 03H (<ETX>, end of transmission)

CR (carriage return)

LF (line feed)

NOTE

The checksum is calculated from the characters from position 2 to 14.

The accumulator initializes at 0 with the addition of the byte value. The

checksum has a range of 0H … FFH.

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Vaisala WINDCAP WS425 User's Guide Page 163