Gill Instruments Ltd
Intrinsically Safe WindObserver Anemometer
Page 28
Issue 10
Doc. No. 1360-PS-0001
May 2015
8.1
Digital Serial Output Formats
The following data modes are available from the serial output of the anemometer:-
Mode 1
ASCII, UV, Continuous
A,+000.00,+000.01,M,00,21 Fault free conditions.
A,,,M,04,24
Fault report condition with CSV setting (O1).
A,+999.99,+999.99,M,04,24 Fault report condition with Fixed Field setting (O2).
Where:
<STX><ID>,±UUU.UU,±VVV.VV,U,SS,<ETX>CC<CR><LF>
where:
<STX>
-
Start of string character (ASCII value 2)
<ID>
-
Anemometer IDentification (A-Z)
±UUU.UU
-
‘U’ axis velocity (*1)
±VVV.VV
-
‘V’ axis velocity (*2)
U
-
Units (M=m/s, N=knots, P=mph, K=kph, F=fpm)
SS
-
Status Code (see Para 10.5)
<ETX>
-
End of string character (ASCII value 3)
CC
-
Checksum of all Characters between <STX> and <ETX>
(HEX byte)
<CR><LF>
-
Carriage Return and LineFeed
(*1) In Feet per Minute output mode, the string changes to ±UUUU.U
(*2) In Feet per Minute output mode, the string changes to ±VVVV.V
Mode 2
ASCII, Polar, Continuous
A,279,000.05,M,00, 07
Fault free conditions.
A,,,M,04,24
Fault report condition with CSV setting (O1).
A,999,999.99,M,04,0A
Fault report condition with Fixed Field setting (O2).
Where:
<STX><ID>,DDD,MMM.MM,U,SS,<ETX>CC<CR><LF>
where:
<STX>
-
Start of string character (ASCII value 2)
<ID>
-
Anemometer IDentification (A-Z)
DDD
-
Direction in degrees
MMM.MM
-
Wind Magnitude (*3)
U
-
Units (M=m/s, N=knots, P=mph, K=kph, F=fpm)
SS
-
Status Code (see Para 10.5)
<ETX>
-
End of string character (ASCII value 3)
CC
-
Checksum of all Characters between <STX> and <ETX>
(HEX byte)
<
CR><LF>
-
Carriage Return and LineFeed
(*3) In Feet per Minute output mode, the string changes to MMMM.M
