Vaisala FS11P - MESSAGE 5, Vaisala System Standard

Chapter 4 _________________________________________________________________ Operation
VAISALA ________________________________________________________________________ 87
MESSAGE 5, Vaisala System Standard
Message 5 is defined according to Vaisala system standard format. All
units in the message are SI-units. The message format is as follows:
!
FSA
∀
VIS(02000(AL(0)))BL(00100(AL(0)))
#
CSUM
∃−∗
where
!
=
Start of the heading
FS
=
FS11P sensor identifier
A
=
First character of the unit identifier, if the ID
is not d
efined it is replaced by a space
character
∀
=
Start of the text
VIS(02000(AL(0)))
=
Visibility identifier and MOR value (unit
meter, 1 min average) and alarm status
related to visibility value
BL(00100(AL(0)))
=
Background luminance identifier and BL
v
alue (unit cd/m
2
) and alarm status related to
BL value
#
=
End of the text
CSUM
=
Checksum CRC16
∃
=
End of the transmission
For a list of alarm status code explanations, refer to Table 11 on page 81.