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2.2.2 Electrical System
Figure 2.6 shows the configuration of the electrical system used in the V-550, V-560
and V-570. The light incident on the photomultiplier tube or Pbs photoconductive cell is
converted into an electrical signal and, after being synchronously rectified, is converted
into digital form and enters the microcomputer. The signal processed by the
microcomputer is displayed on the output device as digital data or a spectrum.
Light source changeover, wavelength drive, slit drive, filter drive, etc. are controlled by
the microcomputer.
Light source
Monochromater Sector
WI lamp
Motor
Senser
Power supply
PM
Power supply
PM
Power supply
Figure 2.6 V-550/560/570 Electrical system
Sample
D2 lamp
D2 lamp
power supply
Memory
board
Main CPU
board
Pbs
11
Detector
AUX
Recorder
RS-232C IF
Printer
Stepping
motor
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