Vaisala WINDCAP WMT700 Series, User Manual

Page: 152 / 210

Character Description
15 Checksum (most significant digit). For more information, see the note below.
16 Checksum (least significant digit)
17
└
03H (<ETX>, end of transmission)
18 CR (carriage return)
19 LF (line feed)
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.
Example
W5 W5P1200013.2TDE
Interpretation of the example message:
•
┐
02H (<STX>, start of transmission)
• Sensor ID: W
• Averaging in seconds: 5
• Sensor status: P = pass
• Wind direction: 120
• Wind speed: 0013
• . (dot character)
• Wind speed unit: T = meters per second
• Checksum (most significant digit): D
• Checksum (least significant digit): E
•
└
03H (<ETX>, end of transmission)
Missing Readings
If data is missing due to a measurement problem, the WS425 A/B ASCII message reports
999.9 for wind speed.
5.25 WS425 A/B WAT11 Profile
The following table lists the configurable parameters and their allowed and default values
for the WS425 A/B WAT11 profile.
WMT700 User Guide M211095EN-H
150