GANSHORN Medizin Electronic GmbH
Service Manual Ref.No. 03 140 0 046
PowerCube-Ergo-CASE_ENG_rev.02, 23.11.2012
Chapter 2, system description , page 5 of 10
Functional Block Diagram
Pict.: Functional block diagram PowerCube-Ergo
Pos.
Description
Function
Controller Module:
MCU with firmware
Control unit
RS232 interface
Connection PowerCube-PC (control, data transfer)
DC-DC module
Internal power supply,
generates the different necessary voltages
Switch ch.
Switch channels, control of the actuators i.e. suction pump,
calibration valve, O2-analyser
LED
Status control of the PowerCube (front panel)
Button
Start / Stop-button (only for portable use)
ADC
Conversion of analog signals (flow, temperature, ambient
pressure, O2, CO2) to digital signals
Analog Module:
Measurement transducer and signal amplification
Pressure transducer
Differential pressure measurement, flow measurement
from patient tubing /pneumotach
ambient temperature sensor
Ambient temperature measurement for BTPS correction
ambient pressure sensor
Ambient pressure measurement for BTPS correction
Additional components:
n.n.
Processing external signals (optional)
O2-Analyser (SSO-Sensor)
Gas analysis
CO2-Analyser
Gas analysis
Suction pump
Assures sample gas flow
Compensation vessel
Assures constant sample gas flow
Calibration valve
Calibration gas supply for gas calibration