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021814/03/21
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Page 74 of 86
Position
Length
Sample
Description
y: low nibble checksum in HEX
34
1
ETX
End character (end of text)
35
1
CR
Carriage return (Carriage Return)
36
1
LF
Line feed
Table 12: Value-Telegram 4
Pressure and acceleration sensors are thermally coupled.
12.4 Telegram 5
The wind sensor responds to the command "00TR5 \ r" with the measured value telegram.
The telegram structure is shown in the following table:
Position
Length Sample
Description
1
1
STX
Start of text
2
2
xx
Identification number (ID)
xx: 0…99
4
1
;
Separation marks (’;’)
5
5
xx.xx
Instantaneous value of the wind speed calculated with the
standard characteristic curve; Unit: m / s; Resolution:
0.01m / s.
10
1
;
Separation marks (’;’)
11
5
xx.xx
Instantaneous value of the wind speed calculated with the
current calibration table; Unit: m / s; Resolution: 0.01m / s.
If no calibration table is available, the calculated measured
value of the standard characteristic is output here.
16
1
;
Separation marks (’;’)
17
5
xx.xx
Instantaneous value of wind speed corrected as a function
of air pressure (wind speed calculated with the current cali-
bration table) Unit: m / s; Resolution: 0.01m / s.
22
1
;
Separation marks (’;’)
23
6
xxxx.x
Absolute air pressure (unit: hPa)
xxxx.x: pressure value; Resolution: 0.1hPa
29
1
;
Separation marks (’;’)
30
8
abcdefgh 32Bit Sensor status in hexadecimal representation
a: high nibble im high byte in HEX (Bit 31 … 28)
b: low nibble im high byte in HEX (Bit 27 … 24)
c: high nibble im byte 2 in HEX (Bit 23 … 20)
d: low nibble im byte 2 in HEX (Bit 19 … 16)
e: high nibble im byte 3 in HEX (Bit 15 … 12)
f: low nibble im byte 3 in HEX (Bit 11 … 8)
g: high nibble im low byte in HEX (Bit 7 … 4)
h: low nibble im low byte in HEX (Bit 3 … 0)
38
1
*
Separation marks (’*’)
39
2
xy
Exclusive or linked checksum in hexadecimal notation
x: high nibble checksum in HEX
y: low nibble checksum in HEX
41
1
ETX
End of text
42
1
CR
Carriage Return
43
1
LF
Line feed
Table 13: Measured value telegram 5