Vaisala FD12P - Message 4; Messages 5 and 6

User's Guide _______________________________________________________________________
66
______________________________________________________ M210296en-A
Message 4
Message 4 is for hardware monitoring. The same data line is obtained
by using the FREQ command.
0.51 126.82 0.91 15 3 5 2.7 5.6 1280 19.5 1.8 819
>FREQ
SIGNAL+ OFFSET DIST SWID MAXI OWID TE LEDI BACKS VBB TS DRD
0.59 126.83 0.91 17 2 6 2.7 5.6 1280 19.4 1.8 816
0.59 126.83 0.91 17 2 6 2.7 5.6 1280 19.4 1.8
817
Messages 5 and 6
Messages 5 and 6 are for MITRAS transmissometer message
emulation in VAISALA RVR systems.
An example of MES 5 is provided below:
"ID 1 V 1050 CV ////// B ///// S0101 -*#
--- <CR><LF><ETX>
-- receiver 2 status
(two spaces)
-- receiver 1 status
-- transmitter status
-- S, status heading
------ background luminance value
cd/m2(option)
-- B, background luminance heading
------- (contamination) compensated visibility
(reserved, not supported by FD12P)
--- CV, compensated visibility heading
------- non-compensated visibility m
-- V, visibility heading
-- unit ID (one character only)
-- ID, start indicator
- <STX>
"ID 1 V 1050 CV ////// B ///// S0101 -*#
1234567890123456789012345678901234567890123
An example of MES 6 is provided below:
"ID 1 V 4550 B ///// S4101 -*#
--- <CR><LF><ETX>
-- receiver 2 status
-- receiver 1 status
-- transmitter status
-- S, status heading
------ background luminance value cd/m
2
-- B, background luminance heading
------- non-compensated visibility m
-- V, visibility heading
-- unit ID (one character only)
-- ID, start indicator
- <STX>
"ID 1 V 4550 B ///// S4101 -*#
123456789012345678901234567890123
The status is in hexadecimal notation.