Figure 1 Pinout on connector
Before use, soak the electrode cotton plugs with 3.5wt% salt water (Clean tap water mixed with 3.5wt%
NaCl)
Equipment operation
Connecting the sensor to a computer
Connect the sensor to the computer via the RS232 interface. The sensor can be controlled by a terminal
software, such as Putty, or by a specific logging and control software.
Protocol FiGS 2.0
FiGS can communicate over RS-232 at 19200, 115800 and 1000000 baud. The communication is ASCI
based, i.e. all messages sent or received are in the ASCI format. There are two message types from FiGS:
formatted messages and non-formatted messages.
Formatted messages
Formated messages starts with {XXXXXX} and ends with [YYY]. These messages are meant to be parsed by
a computer. XXXXXX are always 6 characters long and describes the content of the message. An example is
{SYSTEM} which contains system settings. A formatted message always ends with [YYY] where YYY is the
length of the formatted message, excluding the {XXXXXX} and [YYY].
An example of a formatted message is:
{VECTOR}
x: 0.470132
y: -0.755581
E: -6623.961971 xa: -0.020 ya: -0.963 za:-0.086 len: 921[82]
This message is of the type “vector” and is 82 characters long. Values in the message are described with a
name followed by “:” followed by “space” and then the value. Different values are separated by tab (
\t) or
newline (\n). NB! A formatted message may contain the newline character (\n). This is to make the
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Содержание FiGS 2.0
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