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7100 Anesthesia Ventilator
2-18
02/03 1006-0836-000
2.4.8 Pneumatic Vent
Engine Board
The Pneumatic Vent Engine Board (PEB/VEB) provides two functions:
•
It serves as an interface between the control board and the pneumatic
engine.
•
It processes the output from the airway pressure transducer.
Pneumatic Engine Interface
The board provides a direct connection for the drive and return lines for the
control valves on the pneumatic engine:
•
Inspiratory Flow Valve
•
PEEP Valve
•
PEEP Safety Valve
The board routes the Supply Pressure Switch signals to the control board.
Airway Pressure Transducer
The PEB includes a +5VA regulator to power the airway pressure transducer
circuitry. The circuits provide EMI filtering, signal amplification, and
buffering.
7100 CONTROL BOARD
CONNECTOR
FLOW VALVE
CONNECTOR
PEEP VALVE
SAFETY VALVE
LOW SUPPLY PRESSURE
SWITCH CONNECTOR
PATIENT
AIRWAY
PRESSURE
TRANSDUCER
AMPLIFIER
EMI
FILTER
VOLTAGE
REGULATOR
BUFFER
PRECISION
VOLTAGE
REFERENCE
FLOW_DR
FLOW_RET
/SUPPLY_LOW
SUPPLY_LOW_RET
PEEP_DR
PEEP_RET
SAFETY_VLV_DR
SAFETY_VLV_RET
P_PAT
12V_10VA
+5VA
AB.43.097
Содержание 7100
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