Gill Instruments Ltd
Intrinsically Safe WindObserver Anemometer Page 29 Issue 10
Doc. No. 1360-PS-0001 May 2015
Mode 3
ASCII, UV, Polled
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>
<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 4
ASCII, Polar, Polled
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>
<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
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