2048723-002C
CARESCAPE V100 Vital Signs Monitor
2-15
Equipment overview:
Functional description
Independent software in the primary and secondary processor periodically
communicates when the software systems are operating properly. When either
system stops processing or detects an error, it stops communicating with the
other. Either system, upon detecting a failure, can assert a safe state (herein
called FAILSAFE) of the hardware.
Upon entering a FAILSAFE condition, the Main Board will perform the following
tasks:
Parameter monitoring disabled
Alarm tone sounding from speaker
Pneumatic FAILSAFE (deflate the cuff, pump off)
Normal communications interface disabled
Remote alarm is in alarm state
Hard keys except
On/Off
key inactive
The
On/Off
key can reset the monitor and end the FAILSAFE condition. The
FAILSAFE condition will terminate automatically after 5 minutes to preserve
battery power.
All regulated DC power, isolated and non-isolated is generated on the Main
Board from main battery supply. The external DC input is used to charge the
main battery via charging circuitry on the Main Board.
User interface (UI) board PWA
The UI Board is used as a message center. It displays patient vital signs, alarms
status, monitor set-up, limit violation, NIBP cycle and the time the data was
received. The primary processor on the Main Board controls the UI Board. When
the primary processor reads the parameter signals, it decodes the signals and
routes the display information to the UI Board.
The UI assembly also provides hardkey switches for the monitor’s Main Board.
The primary processor asserts a
HIGH
on the 16 outputs of the 1-of-16 decoder/
demultiplexer one at a time and then reads at the signal on SW_MUX. A
LOW
on
SW_MUX indicates that the switch is asserted.
SpO
2
PWA
The monitor can be configured for use with either an Ohmeda, Nellcor, or
Masimo SpO
2
PWA. The SpO
2
PWA provides continuous readings of oxygen
saturation and pulse rate. Additional circuitry on the Main Board provides power,
data communications, and isolation between SpO
2
PWA and primary processor.
Patient data received from the finger sensor is filtered, amplified, and analyzed
on the SpO
2
PWA. The information is sent to the Main Board via the optically
coupled electrically isolated serial connection. The primary processor receives
the data and routes it to the UI board for display. The data is also sent to the
printer if specified.
Содержание CareScape V100
Страница 9: ...2048723 002C CARESCAPE V100 Vital Signs Monitor 1 1 1 Introduction ...
Страница 25: ...2048723 002C CARESCAPE V100 Vital Signs Monitor 2 1 2 Equipment overview ...
Страница 42: ...2 18 CARESCAPE V100 Vital Signs Monitor 2048723 002C Equipment overview Functional description For your notes ...
Страница 43: ...2048723 002C CARESCAPE V100 Vital Signs Monitor 3 1 3 Installation ...
Страница 59: ...2048723 002C CARESCAPE V100 Vital Signs Monitor 4 1 4 Maintenance ...
Страница 90: ...4 32 CARESCAPE V100 Vital Signs Monitor 2048723 002C Maintenance Test results form ...
Страница 91: ...2048723 002C CARESCAPE V100 Vital Signs Monitor 5 1 5 Troubleshooting ...
Страница 98: ...5 8 CARESCAPE V100 Vital Signs Monitor 2048723 002C Troubleshooting Alarm code interpretation For your notes ...
Страница 99: ...2048723 002C CARESCAPE V100 Vital Signs Monitor 6 1 6 Parts lists and drawings ...
Страница 127: ...2048723 002C CARESCAPE V100 Vital Signs Monitor 6 29 Parts lists and drawings Field replaceable units FRUs ...
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Страница 145: ...2048723 002C CARESCAPE V100 Vital Signs Monitor A 1 A Technical specifications and default settings ...
Страница 163: ...2048723 002C CARESCAPE V100 Vital Signs Monitor B 1 B Appropriate use of NIBP simulators ...
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