Service manual

Servo Ventilator 300/300A Description of functions
E382 E380E 061 01 03 01 Siemens-Elema AB 47
2
4.5.4 Exp. minute volume
PMA = Exp. minute volume; Signal from block 4.4 FLOW FILTERS & INTEGRATORS.
M
max
= 1.1 x Preset Upper alarm limit for Expired minute volume
M
min
= {The highest of the following two possibilities:}
= 0.9 x Preset Lower alarm limit for Expired minute volume or
= Lowest value used for backup alarm, see 1.1 PATIENT RANGE SELECTION.
Alarm table:
4.5.3 O
2
concentration
PMA = O
2
concentration; signal generated within the block 4.5 using O2_CONC. signal from
the block 11.3 O
2
CELL which is analogically compensated for barometric pressure according
to BAROMETER PRESSURE signal from 4.6 BAROMETER PRESSURE TRANSDUCER.
Reference value Set O
2
= Preset O
2
concentration (on Front panel).
Alarm table:
noitidnocerPnoitidnocmralA
OteS<%12
2
%62<
OteS<%62
2
%001<
%61<AMP
OteS(<AMP
2
)%01–
OteS<%12
2
%001<OteS(>AMP
2
)%01+
noitidnocmralA
M>AMP
xam
M<AMP
nim