2. FUNCTIONAL DESCRIPTION
2.1. Main electronic parts of the analyzers
ABACUS 4 contains the following electronic parts:
1. Counting chamber with electrodes and measuring aperture
2. HGB Measuring Head
3. Cell Counter Amplifier Board (behind the chamber)
4. CPU Board with Dimm-PC and measurement processing unit (COMB Board)
5. Safe configuration E
2
PROM board connecting CPU board and PPB
6. Pneumatic and Power Board with 6 motor controllers, valve & pneumatic controller,
pump driver and power supply for internal printer (+8V) and digital circuitry (+5V)
7. Motors with common opto-board of needle moving motors (H/V) and sample rotor
8. Main dilutor block with opto-board for diluent, lyse, and lyse EOS
9. Micro-dilutor block with opto-board for sampling
10. Valve boards (set of 5 and 6)
11. Peristaltic Pump
12. Pressure Sensor
13. Digital Reagent Sensor Board
14. Graphic LCD Display and Keyboard Controller with integrated High Voltage Module
15. Internal Printer
ABACUS 4 Electronic Functional Block Diagram
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