Gill MetPak II, User Manual

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Operation
MetPak II User Manual
Last Change
©
Gill Instruments Ltd
20 August, 2010 Page 23
3.2 Configuring MetPak II
MetPak II can be configured using:

A terminal program such as MS Windows HyperTerminal.

Gill Wind software used as a Terminal Program only.
The default configuration settings are listed in the following table.
Table 8 Default configuration settings
Setting Function
Comms Levels RS232
Baud Rate 19200
Data Connection Data Bits 8, Parity None, Stop Bits 1, Flow Control None.
Output rate 1Hz
Message Mode Continuous
Message Format Wind Direction (degrees), Wind Speed (metres/Sec),
Barometric Pressure (hecto pascals), Humidity (percent),
Temperature (degrees C), Dew Point (degrees C), Power
Supply (volts), Status Code (00) Checksum (hex number).
Output Sentence Comma Separated Variable
Node Address Q
Message terminator Carriage return and line feed.
Power up message On
Example Default Data String
:
<STX>Q,170,000.08,1019.5,035.0,+024.7,+008.3,+04.9,00,<ETX>55 & (CR,LF)

STX
 Node letter

Wind direction
 Wind speed

Pressure

Humidity

Temperature
 Dewpoint

Supply voltage

Status code
 ETX

Checksum

Carriage Return/Line Feed
NOTES:
<STX> is the Start of String character (ASCII value 2).
<ETX> is the End of String character (ASCII value 3).
Checksum, the 2 digit Hex Checksum sum figure is calculated from the Exclusive OR of the bytes
between (and not including) the STX and ETX characters.