Siemens Servo Ventilator 300, Service Manual

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Servo Ventilator 300/300A Description of functions
E382 E380E 061 01 03 01 Siemens-Elema AB 35
2
4.1.1 Airway pressure
PMA: P
I
=
INSP
.
PRESSURE
; signal from main block 12
INSPIRATORY PRESSURE
.
P
E
=
EXP
.
PRESSURE
; signal from main block 13
EXPIRATORY PRESSURE
.
LIM_PRESS.L = Signal from the block 6.1
MODE CPU
including
REF
-
PROM
functions.
Reference value P
max
= Preset Upper pressure limit (on Front panel).
Reference value PEEP = Preset PEEP Level (on Front panel).
Alarm table:
” s e g a s s e m d n a s m r a l A ” n o i t i d n o c m r a l A k r a m e R
h g i h o o t e r u s s e r p y a w ri A
2
P
I
P >
x a m
r o
P
E
P >
x a m
n o it i d n o c e u r t t A
1
d e ti b i h n i s i N O I T A R I P S N I
. d e t r a t s s i N O I T A R I P X E d n a
e r u s s e r p s u o u n it n o c h g i H P
I
H m c 5 1 + P E E P >
2
O r o
P
E
H m c 5 1 + P E E P >
2
O
e h t f o y n a fi m r a l A
e u r t s n i a m e r s n o it i d n o c
. s 5 1 g n ir u d
e r u s s e r p d e ti m i L , e v it c a = L . S S E R P _ M I L
: n o it i d n o c o t s d n o p s e r r o c (
P
F E R
P =
x a m
H m c 5 –
2
O
d n a e t u n i M /l a d i T g n it l u s e r
s s e l s i n o it a li t n e v e m u l o v
) g n it t e s l e n a p t n o r f n a h t
l a n g i s L . S S E R P _ M I L
3
y l n o
S V r o C V R P g n ir u d d e s u
e h t fi m r a l A . e d o m
n o it i d n o c m r a l a d e n o it n e m
e e r h t g n ir u d e u r t s i
. s h t a e r b e v it u c e s n o c
1
Refer to 6.1.2 Respiratory timing - condition (3).
2 Identical condition is also monitored separately within the main block 2. Panel interface
and that is used for the following function: At true condition the Airway pressure bargraph
indication for Upper pressure limit is flashing.
3 Refer to 6.1.1 Reference generation - PRVC and VS mode.
Monitoring also controls the following opening and closing of the Safety valve:
When opened the Safety valve will stay open until following conditions are true:
For Airway pressure alarm also see 4.5 Backup alarm system.
n o i t i d n o c e r P n o i t i d n o c g n i s o l C
g n ir u d t s a e l t a n e p o s y a t s e v l a v y t e f a S
. s m 0 0 4
P
I
P <
x a m
H m c 5 +
2
O d n a
P
E
P <
x a m
H m c 5 +
2
O
n o i t i d n o c g n i n e p O k r a m e R
P
I
P >
x a m
H m c 6 +
2
O r o
P
E
P >
x a m
H m c 6 +
2
O
y b d e s u a c s a w g n i n e p o e h t fI . s n e p o e v l a v y t e f a S e h T
m e t s y s m r a l a p u k c a B e h t s n o it i d n o c e s e h t f o y n a
. m r a l a e l b i d u a s u o u n it n o c s e t a r e n e g