AQT 90 FLEX Service Training Electronics 20022021 3

AQT 90 FLEX Service Training Electronics 20/02/2021

3 20/02/2021 RADIOMETER PRESENTATION Electronics – Block Diagram

8 20/02/2021 RADIOMETER PRESENTATION Electronics - PC Unit, cont. 3 x. USB (on rear side) ETX Module (behind Interface PCB) Speaker Interface PCB CF card Soft Reset Keyboard VGA ! Hard Reset USB Display Unit RS 232 Fuses Mouse Ethernet USB Power Interface PCB

14 20/02/2021 RADIOMETER PRESENTATION Electronics – Main Board (Analyzing Unit PCB) Basic Key Time Key USB Connector (Interface PCB) Fuses Power Supply Fan PCB !!

15 20/02/2021 RADIOMETER PRESENTATION Electronics – Replacing Main Board Step When What 1. Always Transfer the Basic Key and Time Key from the original Main Board to the new Main Board. 2. If “Inconsistent software versions” appear Upgrade the software on the Main Board to be consistent with the version, which is installed on the analyzer. Refer to “Upgrade Main Board Software” in chapter 3. Always Upload the analyzer specific configuration special. srec to the Flash memory on the Main Board. Refer to “Load Special Configuration to Main Board” in chapter 3. 4. Always Install the option keys. Refer to “Installation of Option Keys and Parameter Setup” in chapter 3.

16 20/02/2021 RADIOMETER PRESENTATION Electronics – Power Supply The Power Supply is a primary switching converter § The required input voltage range is 90 -264 VAC at 47 -63 Hz § The following voltages are supplied: +24 V, +12 V, and +5. 1 V Supply Specifications @ 0 -50% load Analyzing Unit PC Unit +5 V +5. 1 ± 0. 05 V, 8 A FPGA and USB Discrete logical circuits Analog circuits Sensors ETX Module Interface PCB Display Vision system USB and Ethernet +12 V +12 ± 0. 5 V, 6 A PMT pulse amplifiers Printer and Backlight +24 V +24 ± 1 V, 10 A Stepper motors Valves and Heaters N/A

17 20/02/2021 RADIOMETER PRESENTATION Electronics – Power Supply [903 -040] Up to Serial No. 393 -838 R 0073 N 006

18 20/02/2021 RADIOMETER PRESENTATION Electronics – Power Supply [903 -175] Up to Serial No. 393 -838 R 0073 N 006

19 20/02/2021 RADIOMETER PRESENTATION Communication PC-Unit DMS Analyzer Unit Message Trace AUCommunication. AC Analyser Control

End of session Electronics 20/02/2021