Service manual
E382 E380E 061 01 03 01 Siemens-Elema AB 127
Servo Ventilator 300/300A Diagrams
Functional block diagram
Letter codes shown within a circle in the Functional block diagram
Code Refers to block function PC board No(s)
A Inspiratory valve unit – Air .......... PC 1585, 1586, 1593, 1600, 1601, 1602, 1603, 1637
B–
C Computer interface .................... PC 1587
D Computer interface Dummy....... PC 1665
E Exp. flow amplifier ..................... PC 1623
F–
G Pressure amplifier – Exp............. PC 1611
H Pressure amplifier – Insp............PC 1611
I Inspiratory control ...................... PC 1616, 1588
J–
K–
L Exp. flow Linearization ...............PC 1615, 1588
M Monitoring.................................. PC 1608, 1588 and with FAB: PC 1690
N Inspiratory valve unit – Optional . PC 1634 or other optional PC board
O Inspiratory valve unit – O
2
........... PC 1585, 1586, 1593, 1600, 1601, 1602, 1603, 1637
P Panel interface ........................... PC 1614, 1588, 1632
Q–
R–
S Safety valve driver...................... PC 1613
T Reference & Timing ................... PC 1605, 1588
UAutomode panel interface.......... PC 1745
V Valve control .............................. PC 1622
WPower supply .............................PC 1618
XExpiratory valve..........................PC 1585, 1586
4
P27
N27
B11
2
N16
I
Signs and interpretations
Signs Interpretations
Information coming from Monitoring
Information going to Inspiratory control
Guide to Circuit Diagram sheet number
Internal male connector number
Internal female connector number
Internal connector pin number
Internal signal path(s) (2 paths in example)
Internal cable with connector
M