Mindray VS-800, Service Manual

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Principles of Operation
2-13
Probe Heating Circuit
Probe heating circuit warms up the probe to a constant temperature and keep it so as to shorten the
measuring time.
A/D
The A/D conversion part converts the analog signal to the digital signal, and then sends it to
CPU for further processing.
CPU System
CPU system implements the logical control of all the circuits, the data processing for the TEMP
parameter and the communication with the main control board.
Power & Signal Isolation Circuit
Power & signal isolation circuit implements the conversion of the power supply and the isolation
of the signals.
2.3 Software Description
2.3.1 General
2.3.1.1 Composition of software
The VS-800 software consists of the system software, module software, upgrade software and
printer software.
Besides the system software, all the other software components are universal. Therefore, the
following sections will emphasize on the requirements of the system software. For other
software, only references are provided.
表
2-1 VS-800 software components
Software component Description Material code of
universal
component
System software For different configurations (SpO
2
only and
full configuration), the LED requires two
different kinds of software.
(Non-universal)
Bootstrap software Bootstrap upgrade software 0010-30-12196