Campbell CS125, Instruction Manual

Page: 39 / 76

User Guide
29
8 Baud rate 0-6 Baud rate for the main RS232/RS485 interface
0 = 115200 bps
1 = 57600 bps
2 = 38400 bps
3 = 19200 bps
4 = 9600 bps
5 = 2400 bps
6 = 1200 bps
2
9 Serial Number - Internal serial number for the CS125.
(
Read only)
-
10 Visibility Unit M or F Unit the visibility value will be presented as
M = metres
F = feet
M
11 Message Interval 1-3600 Interval in seconds between outputs in continuous
mode. This value has no effect if polled mode has
been selected in ‘Measurement mode’
60
12 Measurement mode 0-1 Selects polled or continuous modes.
In continuous mode the sensor will output a string
in the format as set by ‘Message Format’ at
regular intervals as defined by ‘Continuous
Interval’.
0 = Continuous mode
1 = Polled mode
0
13 Message Format 0-11 Output message
0, 1 and 2 = Basic, partial or full visibility
messages
3, 4 and 5 = Basic, partial or full SYNOP
messages
6, 7 and 8 = Basic, partial or full METAR
messages
9,10 and 11 = Basic, partial or full SYNOP
messages
5
14 Serial port protocol 0-1 Selects the physical serial interface
0 = RS232 mode
1 = RS485 mode
0
15 Averaging period 1 or 10 The period of time that the visibility value should
be averaged over. Either one minute or ten.
1
16 Sample timing
1-60 Used to define the time interval between sampling
the volume. It is recommended that this value is
left at one except when very low power demands
are needed. For example:
1 = Sample every second
2 = Sample one second in every two
3 = Sample one second in every three etc.
1
17 Dew heater override 0-1 0 = Allow the CS125 to automatically control the
dew heaters
1 = Turn the dew heaters off
0
18
Hood heater override
(1)
0-1 0 = Allow the CS125 to automatically control the
hood heaters
1 = Turn the hood heaters off
0