7100 Anesthesia Ventilator
2-12
02/03 1006-0836-000
2.4.5 Control Board
The Control Board contains all of the major circuit functions necessary to
control ventilator operation.
The Control Board comprises three functional circuit types:
•
power circuits,
•
analog circuits,
•
digital circuits.
These circuits are detailed individually in the following sections.
Overall, the Control Board’s functions include:
•
Bus access control signals for all memory and peripheral devices
•
Interrupt handling
•
Clocks and timers for the system
•
RS232C serial I/O
•
Baud rate generator for serial port
•
Hard (power-up) and soft (watchdog error) reset generation
•
Data bus buffers
•
Memory and I/O decoding
•
Program memory with “memory stick” software upgrade
•
Safety Relevant Computing (SRC)
•
Watchdog system
•
Data acquisition
•
Flow valve control
•
PEEP valve drive and PEEP safety valve drive
•
Front panel interface
•
Audio alarm
Figure 2-8 • Control board
Memory Stick
Содержание 7100
Страница 1: ...7100 Anesthesia Ventilator Technical Reference Manual ...
Страница 102: ...Notes 5 22 02 03 1006 0836 000 ...
Страница 144: ...Notes 8 16 02 03 1006 0836 000 ...
Страница 156: ...9 12 02 03 1006 0836 000 Notes ...
Страница 157: ......
