3. Remove the cover of the QML data logger and check the CPU board and the other
components.
Figure 10 QML Data Logger without Cover
1 Pressure sensor connector
2 Communication module slots MOD1 and MOD2
3 SPI connector for QMD202 local display
4 Status LED (green)
5 Lithium battery for real-time clock (3 V 35 mAh CR1220)
6 Reset button
7 CompactFlash (CF) card slot
6.5.3 Opening Service Connection to Sensor
To control a serial sensor directly, you can access the sensor command interface through the
QML data logger.
Chapter 6 – Troubleshooting
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