Información del equipo:

Siemens 900 D Aparato de respiración artificial
Fabricante:
Siemens
Modelo: 900 D
Fecha: 1994
Categoría: Equipo Médico y Biomédico
Grupo: Aparato de respiración artificial
Descripción:
Información:
                                    The Servo Ventilator 900 C/D/E consists of two separate units.

The pneumatic unit comprises the gas conduction system with
two pressure transducers, two flow transducers and two servo
valves.

Each transducer, continuously delivers its actual value to
the electronic unit.

The servo valves are used as CONTROLLING ELEMENTS for the
control of inspiratory and expiratory gas conduction.
The electronic unit comprises three controlling systems, two
for regulation of inspiration and one for regulation of
expiration.

The three controlling systems will be in use, one at a time,
depending on the TIMING control and the selected ventilation
MODE.

Estos manuales están disponibles para el equipo anterior:

Tipo de manual: Manual de servicio Siemens-10585-Manual-Page-1-Picture
Páginas: 56
Tamaño: 12.00 Mbytes (12582185 Bytes)
Idioma Inglés
Revisión: 3
Manual-/ número de identificación: 93 82 912 E314E
Fecha: 01 noviembre 1994
Calidad: Documento Scaned, todo legible.
Fecha de carga:
MD5: d3b8630015a86a7f38db7e19f0700a35
Descargas: 303 desde 09 marzo 2018
Información:
Introduction ... 4

Principle diagram ... 6

Pneumatic unit

Gas flow through the Ventilator ... 8

Gas supply ... 9

Bellows and spring assembly ... 10

Gas supply unit . . .  ... 11

02cell ... 12

Relief/safety valve and working

pressure manometer ... 12

Flow transducer ... 14

Pressure transducer ... 15

Inspiratory valve and step motor ... 16

Expiratory vafve and pull magnet ... 17

Non-return valve ... 17

Transducer interface ... 18

Electronic unit

Principle of operation ... 19

Reference level generation ... 20

Regulation of inspiration ... 23

Timing ... 28

Monitoring ... 33

Regulation of expiration ... 39

Voltage supply ... 41

Input/output ... 42

Disassembling

Disassembling the pneumatic unit ... 44

Disassembling the electronic unit ... 44

Replacement of step motor assembly

and pull magnet ... 45

Replacement of power supply unit ... 45

Replacement of safety catches ... 45

Replacement of flow transducer ... 46

Adjustments

Adjustment of meters Z1 and Z2 ... 46

Adjustment of valve arm ... 46

Replacement and adjustment of R5 ... 47

Removing the front panel knobs ... 	48

Troubleshooting ... 49

Index ... 52

Block diagram ... 56
Siemens-10585-Manual-Page-1-Picture


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