
Pyxis ST-601
Operation Manual
12
In this page, the raw data measured by the probe is displayed. To help troubleshooting possible issues
with the probe, please save images of these data when the probe is respectively placed in a clean water
(tap water or deionized water), in a ClO2 standard, and in the sample that the probe is intended for.
4.2
Calibration and Diagnosis with uPyxis Desktop App
Download and install the uPyxis desktop app from
https://www.pyxis-lab.com/resource/software_driver/uPyxis.Setup-1.5.9.2.zip
Connect and power the ST-601 probe to a computer via the Pyxis Sensor/USB adapter (P/N MA-485)
according to connection diagram below.
*NOTE* Using other USB-485 adapters may result in
permanent damage of the ST-601 probe communication hardware.
Figure 7.
ST-601 and Pyxis Sensor/USB adapter (MA-485) connected in series to controller
Establish connection between uPyxis desktop and the ST-601 through the following steps:
1.
Open the desktop uPyxis app.
2.
Click
Device
tap to launch the connection option menu.
3.
Select
Connect via USB-RS485
(Figure 8).
4.
Select the Comm Port to make a connection (Figure 9) (normally only one Comm port is identified
by uPyxis. If more than one Comm port listed in the selection dropdown, you may try to select
each one to see if a connection can be made. Alternatively, you may use the Windows Device
Manager to identify the Comm Port that the Pyxis USB adapter is used.)
After the connection is established, the ST-601 probe series number and current CLO2 reading are
displayed on the left of the information page (Figure 10). In this page, a nickname can be assigned to the
probe. The probe Modbus address can be changed from its default 32.