Getting started with the module for OEM
4
Getting started with the module for OEM
If serial communications is required in order to control the device directly from a PC without using the
PalmSens drivers, it is advised to
change the EmStat’s USB port to function as Virtual COM port.
See also appendix A.
1.3
Baudrate settings
The EmStat module has been set to a default baudrate of 230400 baud.
This baudrate is supported by PSTrace. PSTrace also supports different baudrates. To change the
baudrate upon connecting in PSTrace, click the arrow next to the
“
Connect
”
button.
The baudrate has influence on the maximum scanrate for measurements;
Baudrate
Max. number of
data points / second
Min. interval time
230400
1000
1.00 ms
57600
197
5.07 ms
It is possible to change the baudrate setting of the EmStat module in the firmware (requires firmware v7.0
or higher).
See the EmStat Communications Protocol section 4.6:
Changing the baudrate.
The baudrate can also be changed in PSTrace 4.8 or later. See menu: Tools
→
Instrument settings.
The firmware update program will always be able to update the firmware regardless of the baudrate
supported by the firmware.
See section “
on page 9 in this document on how to update the firmware using a serial
connection.
EmStat has a default baud rate of
230400 baud.
This baudrate is generally not supported by the built-in COM port on a
regular desktop PC. When using a PC, a USB to serial adapter is
recommended.
See also section 1.3
Summary of Contents for EmStat3+
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