Valeport Ltd © 2019
0803805i - Model 803 ECM
Page 10
2.2.2. Changing the Baud Rate
There are four possible baud rates that may be set. They are 2400, 4800, 9600 and 19200. To enter the baud
rate having already interrupted the unit with the ”#” code, send the command:
#210
followed by “
space
” and
one of the four possible baud rates
(e.g. 2400) then
<cr>
To read the selected baud rate that has been sent, send the command:
#211
and the unit will send the baud rate (2400, etc)
If the unit has been set with a new baud rate, remember to set it into RUN before trying to obtain data, either
by switching power off and on or by sending the
#028
command.
In RS485 systems, the baud rate of the RS485 adaptor unit located in the box of the configuration lead
must also be altered before further commands can be given. This is necessary each time the baud rate
is changed. Please see section 2.3.6 for details of changing the baud rate of the RS485 adaptor unit.
The unit will output data at the data rate which has been set, or on demand depending on which output
mode has been selected. The output string format is shown below and is dependant upon the units last
entered into the unit:
sXX.XX<TAB>sYY.YY<cr><lf>
or
sX.XXX<TAB>sY.YYY<cr><lf>
or
sXXXXX<TAB>sYYYYY<cr><lf
Where:
XX.XX and YY.YY are the speeds for the X and Y axis in knots
X.XXX and Y.YYY are the speeds for the X and Y axis in M/s
XXXXX and YYYYY are the speeds for the X and Y axis in mm/s
s is the sign(+ or)
Leading zeroes are included, so the string is always fixed at 15 characters.
After the unit has been interrupted and any changes made, the unit can be put back into
RUN
mode either by
switching power off and on again or by sending the command
#028
.
2.2.3. Changing Data Rate
To change the data rate, send the command:
#020
followed by a “
space
” and
2<cr>, 4<cr>, 8<cr>
or 16<cr>
as
required
To read the data rate that has been set, send the command:
#021
and the unit will send the data rate set [1, 2, 4, 8 or 16]
2.2.4. Changing the Data Format
To change the data format, (millimetres, metres and knots respectively) send the command:
#212
followed by a “
space
” and
mm<cr>, m<cr>, or knots<cr>
as
required
To read the data format that has been set, send the command:
#213
and the unit will send the data format [m, mm, or knots]
