Gill GMX100, Руководство пользователя

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Gill Instruments Ltd
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MaxiMet Page 98 Issue 3
Doc. No. 1957-PS-021 May 2018
M MSL Units, Metres
, , , , Geoid Separation and Units in Metres
0000 Differential GPS Reference Station ID.
*18 Checksum
<CR> is a Carriage return character (ASCII hex value d)
<LF> is a Line Feed Character (ASCII hex value a)
Checksum, the 2 digit Hex Checksum sum figure is calculated from the Exclusive OR of the bytes
between (and not including) the $ and * characters.
Immediately followed by:
$PGILT,A,+XX,D,+YY,D,+Z,TILT*HH<CR><LF>
Where: $P
Start of sentence and proprietary sentence identifier
GIL Gill Instruments recognised NMEA manufacturer mnemonic
T Indicates TILT information
A Type of Sensor (Angular Displacement)
+XX X-Tilt indicates unit is tipping towards east "XX" degrees
Or -XX X Tilt indicates unit is tipping towards west "XX" degrees
D Units (Degrees)
+YY Y-Tilt indicates unit is tipping towards north "YY" degrees
Or -YY Y-Tilt indicates unit is tipping towards south "YY" degrees
D Units (Degrees)
+Z Z-Orientation "+1" shall be reported if the unit is installed upright, or "-1" if
facing downwards
TILT Name of the Sensor
*HH Checksum
<CR><LF> End of message termination
Example GMX500 NMEA Data String.
$WIMWV,275,R,000.01,N,A*0C
$WIMWV,180,T,000.11,N,A*02
$WIXDR,C,+023.1,C,TEMP,P,0.9989,B,PRESS,H,040,P,RH*25
$GPGGA,113342.000,5045.7837,N,00132.4127,W,1,06,1.3,-10.2,M,47.8,M,,0000*56 (GPS option unit)
$PGILT,A,+00,D,+01,D,+1,TILT*35
Repeated every second (1Hz output).
6.6.9 GMX501 NMEA output String
$WIMWV,049,R,000.03,N,A*03<CR><LF>. Where:-
$WIMWV
Wind Instrument Mean Wind direction and Velocity.
049 Wind Direction.
R Relative Wind measurement, wind speed and/or direction information, reported
with respect to the MaxiMet North marker.
000.03 Wind Speed.
N Knots (NMEA output fixed to Knots measurement only).
A Acceptable measurement (V is a void fail measurement).
O3 Hex Check Sum.