| CARDIOHELP System | 2 System Components | 25 |
Service Manual | 3.3 | EN | 05
Copyright Maquet Cardiopulmonary GmbH
– Communication with DIGIFLOW PCB
– Alarm output via Piezo
n Drive control (drive control unit)
– Alarm output via Piezo
n Manage power supply (loading control unit)
– Rechargeable battery
– Mains power
Additional function
n Power supply bridge circuit to ECG connection
Specification
Power supply
Rated voltage 11 ... 28 V DC
Charging current battery 3 A
Processors / programmable units
CPU Drive control unit (Software package RF and loading control unit)
CPU Sensor control unit (Software package SB)
Critical components
Piezo
2.11.8 Battery PCB
Battery PCB
Main function
n Battery contacting
n Signal transmission on sensor PCB
n Data interface for loading control unit
Specification
Power supply
Input 10.8 V DC
2.11.9 Backlight Inverter
Backlight Inverter
Main function
n Voltage converter for background lighting on the display
Specification
Voltages
Input voltage 12 V DC
Effective output voltage 655 Vrms