51
M00_0000
Header with identifier for measurement values
17.25
Air Temperature
65.13
Rel. Humidity
2.41
Wind Speed (instantaneous)
7.08
Wind Speed (maximum)
145.2
Wind Direction (average)
0.3
Precipitation
0.6
Precip. Daily
12.0
Battery Voltage
Table 11: Main values in the
Standard
protocol
Aux values
Special values are returned as in the following example:
M00_0000 13.2
M00_0000
Header with identifier for measurement values
13.2
Supply Voltage
Table 12: Aux values in the
Standard
protocol
8.15.5
Commands
Commands can be sent to the MRL-7 to start measurements, request complete measurement strings,
request single values and to configure the device. A more detailed description is provided in Appendix
Command types
If a command contains the identifier
W
the receiving MRL-7 returns a confirmation on receipt. This
command type demands a closing sequence with a valid CRC-16.
If a command contains the identifier
S
the receiving MRL-7 does not acknowledge the receipt of the
command. This command type demands a closing sequence with a valid CRC-16.
If a command contains the identifier
R
the receiving MRL-7 returns the requested measurement value
or parameter. This command type demands a closing sequence with a valid CRC-16.
Triggering a measurement
The command
$mt
triggers a complete measurement sequence as in the following example:
#W0000$mt|89B5;
Answer:
#A0000ok$mt|E5F8;
Requesting a complete data string
The command
$pt
requests a data string as in the following example:
#S0000$pt|
Answer: none