Campbell MetSENS Series, Product Manual

Page: 23 / 39

7.3 RS-232 default settings
The following are factory-default data strings. Table 7-6 (p. 22) provides the RS-232 default
settings.
MetSENS200
NODE, DIR, SPEED, CDIR, VOLT, STATUS, CHECK
┐ Q,021,000.01,090,+05.1,0000, └ 36
Where,
┐ : STX (Start of String character; ASCII value 2)
Q:
Node letter
021:
Wind direction
000.01: Wind speed
090
Corrected direction
+05.1
Supply voltage
0000 Status
└ ETX (End of String character; ASCII value 3)
36
Checksum (2 digit Hex Checksum sum figure calculated from
the Exclusive OR of the bytes between, and not including, the
STX and ETX characters)
MetSENS300
NODE, PRESS, RH, TEMP, DEWPOINT, VOLT, STATUS, CHECK
┐
Q, 1015.3,041,+022.0,+008.5,+05.1,0000,
└
36
Where,
┐ : STX (Start of String character; ASCII value 2)
Q: Node letter
1015.3:
Pressure
041: Relative humidity
+022.0: Temperature
+008.5: Dewpoint
+05.1
Supply voltage
0000
Status
└ ETX (End of String character; ASCII value 3)
MetSENS-Series Compact Weather Sensors 20