Mediana P10 Manual de Serviço Página 104

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98
z Temperature unit: measures temperature data.
RC Circuit
High
Accuracy
Resistor
Temperature
Probe
Isolation DC/DC
DC +5V
Isolation DC
+11Vdc ±1 Vdc
Patient Isolation
MSP430F1121A
AD
Conversion
Photocoupler
Serial Data
Main
Processor
Figure 40. Temperature Unit Block Diagram
z CO
2
unit: measures CO
2
data.
Isolation DC/DC
Photocoupler
RS-232
Communication
Port
Main
Processor
DC +5V
Isolation DC
+5Vdc ±0.5 Vdc
Patient Isolation
Patient
connector
atomsphere
sensor
Main
Processor
Figure 41. CO
2
Unit Block Diagram
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