Datex-Ohmeda AS-3 Compact Monitor, CS-3 Compact Monitor User manual

5 (1)

Datex-Ohmeda

AS/3 Compact Monitor, CS/3 Compact Monitor

Technical Reference Manual

 

All specifications are subject to change without notice.

 

Document No. 896623

 

February 2000

Datex-Ohmeda Inc.

Datex-Ohmeda Division,

3 Highwood Drive

Instrumentarium Corp.

Tewksbury, MA 01876

P.O. Box 900, FIN-00031

 

DATEX-OHMEDA, FINLAND

Tel. (978) 640-0460 Fax (978) 640-0469

Tel. +358 10 394 11 Fax +358 9 146 3310

www.us.datex-ohmeda.com

www.datex-ohmeda.com

 

Instrumentarium Corp. All rights reserved.

NOTICE

Intended purposes

The Datex-Ohmeda AS/3 Compact Monitor is a multiparameter patient monitor intended for the physiological monitoring of hospitalized patients. It is indicated for monitoring anesthetized patient’s relaxation, hemodynamic, ventilation, gas exchange, regional perfusion and neurophysiological parameters. The system is indicated for use by qualified medical personnel only.

The Datex-Ohmeda CS/3 Compact Monitor, CMC, is a multiparameter patient monitor intended for the physiological monitoring of hospitalized patients. It is indicated for monitoring the patient’s hemodynamic, ventilation, gas exchange, regional perfusion and central nervous system. The system is indicated for use by qualified medical personnel only.

The Datex-Ohmeda CS/3 Compact Monitor with S-ICU99/A software is intended for multiparameter patient monitoring. The monitor is indicated for monitoring of hemodynamic (including arrhythmia and ST-segment analysis), respiratory, ventilatory, gastrointestinal/regional perfusion and neurophysiological status of all hospital patients. The system is indicated for use by qualified medical personnel only.

Classifications

In accordance with IEC 60601-1:

Class I and internal powered equipmentthe type of protection against electric shock.

Type BF or CF equipment. The degree of protection against electric shock is indicated by a symbol on the parameter panel beside each connector.

Equipment is not suitable for use in the presence of a flammable anesthetic mixture with air or with oxygen or nitrous oxide.

Continuous operation according to the mode of operation.

In accordance with IEC 60529:

Degree of protection against the harmful ingress of water as detailed in the IEC 60529: IPX1

In accordance with EU Medical Device Directive: IIb

Responsibility of the manufacturer

Datex-Ohmeda Division, Instrumentarium Corp. is responsible for the safety, reliability and performance of the equipment only if:

assembly, operations, extensions, readjustments, modifications, service and repairs are carried out by personnel authorized by Datex-Ohmeda.

electrical installation complies with appropriate requirements.

the equipment is used in accordance with the User’s Guide and serviced and maintained in accordance with the Technical Reference Manual.

Storage and Transport

For allowed storage and transport conditions refer to the documentation delivered with the monitor.

Trademarks

Datex®, Ohmeda®, and other trademarks AS/3, CS/3, D-lite, Pedi-lite, D-fend, D-fend+, MemCard, ComWheel, EarSat, FingerSat, FlexSat, PatientO2, Patient Spirometry and Tonometrics are property of Instrumentarium Corp. or its subsidiaries. All other product and company names are property of their respective owners.

© Instrumentarium Corp. All rights reserved.

Master table of contents

Datex-Ohmeda AS/3TM Compact Monitor and CS/3TM Compact Monitor

Technical Reference Manual, 896 623

Folder #1(2), PART I, General Service Guide

Document No.

Updated

Updated

Description

 

 

 

 

 

1

896 623

 

 

Introduction, System description, Installation, Interfacing, Functional check, General troubleshooting

 

 

 

 

2

896674

 

 

Planned Maintenance Instructions

 

 

 

 

 

 

 

 

PART II, Product Service Guide

 

 

 

 

 

8001068

 

 

AS/3 CM Frames; F-CM, F-CMREC

1

 

 

 

CS/3 CMC Frames; F-CMC, F-CMCREC

 

 

 

 

CPU Boards; B-CMCPU4, B-CPU3, B-CPU2

 

 

 

 

Software cards and cartridges

 

 

 

 

 

 

888737-2

 

 

Upinet Board,B-UPINET

2

 

 

 

 

 

895156-2

 

 

MRI Shield, N-MRI

3

 

 

 

MRI Multiparameter NES Module, M-MRI

 

 

 

 

 

 

 

 

 

Folder #2(2), PART II, Product Service Guide (continues)

 

 

 

 

1

896 620-1

 

 

Hemodynamic Modules,

 

 

 

M-NE12STPR, M-NE12STR, M-NE12TPR, M-NESTPR, M-NESTR, M-NETPR, M-ESTPR, M-ESTR, M-ETPR

 

 

 

 

 

2

896 619

 

 

Compact Airway Modules, M-CAiOVX, M-CAiOV,M-CAiO, M-COVX, M-COV, M-CO, M-C

 

 

 

 

3

896 621

 

 

Tonometry Module, M-TONO

 

 

 

 

4

896 622-1

 

 

EEG Module, M-EEG and EEG Headbox, N-EEG

 

 

 

 

5

889 881-5

 

 

Cardiac Output Modules, M-COP and M-COPSv

 

 

 

 

6

885 935-7

 

 

Pressure Module, M-P, Pressure Temp Module, M-PT

 

 

 

 

7

893 224-3

 

 

Dual Pressure Module, M-PP

 

 

 

 

8

885 936-6

 

 

NIBP Module, M-NIBP

 

 

 

 

9

885 937-6

 

 

Recorder Module, M-REC

 

 

 

 

10

885 940-7

 

 

Nellcor Compatible Saturation Module, M-NSAT

 

 

 

 

11

887 780-5

 

 

NeuroMuscular Transmission Module, M-NMT

 

 

 

 

12

893 780-3

 

 

Anesthesia Keyboard, K-ARK, Keyboard Interface Board, B-ARK and ARK Barcode Reader, N-SCAN

 

 

 

 

13

885 939-6

 

 

Memory Module, M-MEM, Memory Board, B-CMMEM

 

 

 

 

14

893 779-2

 

 

Interface Module, M-INT

 

 

 

 

15

885 941-6

 

 

Network Board, B-NET

 

 

 

 

 

Document No. 896623

 

Table of contents

TABLE OF CONTENTS

 

AS/3 Compact Monitor, CS/3 Compact Monitor

 

TABLE OF CONTENTS

i

TABLE OF FIGURES

ii

1 INTRODUCTION

1

1.1 Notes to the reader ....................................................................................................................................

2

1.1.1 Related Documentation.....................................................................................................................

2

1.1.2 Conventions used..............................................................................................................................

3

1.2 Safety Precautions.....................................................................................................................................

6

1.2.1 Warnings ..........................................................................................................................................

6

1.2.2 Cautions ...........................................................................................................................................

7

2 SYSTEM DESCRIPTION

9

2.1 Introduction...............................................................................................................................................

9

2.2 Bus structure .............................................................................................................................................

9

2.3 Distributed processing .............................................................................................................................

10

2.4 Module communication ...........................................................................................................................

11

2.5 Software loading......................................................................................................................................

12

2.6 Parameter modules .................................................................................................................................

12

3 SYSTEM INSTALLATION

14

3.1 Unpacking instructions.............................................................................................................................

14

3.2 Choosing location ....................................................................................................................................

14

3.3 Assembling the AS/3, CS/3 Compact Monitor Frame................................................................................

14

3.3.1 Compact Monitor connections .........................................................................................................

15

3.3.2 Rear panel connectors.....................................................................................................................

16

3.3.3 Connection to mains........................................................................................................................

17

3.3.4 Connection to Network ....................................................................................................................

17

3.3.5 Inserting the parameter modules......................................................................................................

17

3.3.6 Replacing the CPU Board, B-CMCPU4 ..............................................................................................

18

3.3.7 Performing Factory Reset .................................................................................................................

19

3.3.8 Replacing the Software Cartridge of B-CPU2/3.................................................................................

20

3.3.9 Replacing the CPU Board, B-CPU2/3 ...............................................................................................

21

3.4 AS/3 Memory Board, B-CMMEM Installation (w/ B-CPU2/3).....................................................................

23

3.5 AS/3 Memory Board, B-CMMEM Installation (w/ B-CMCPU4)....................................................................

26

3.6 Network Board, B-NET Installation (w/ B-CPU2/3) ....................................................................................

29

3.7 Network Board, B-CMNET Installation (w/ B-CMCPU4) ..............................................................................

32

3.8 AS/3 UPINET Board, B-UPINET Installation (w/ B-CPU2/3)........................................................................

34

3.9 AS/3 UPINET Board, B-UPINET Installation (w/ B-CMCPU4).......................................................................

37

3.10 Compact Airway Modules, M-XXXX..........................................................................................................

39

3.10.1 Sample Gas Exhaust .....................................................................................................................

39

3.10.2 Scavenging Through Reservoir .......................................................................................................

40

3.10.3 Scavenging Through Direct Connection ..........................................................................................

40

3.10.4 Returning Gas to Patient Circuit......................................................................................................

41

3.11 AS/3 Anesthesia Keyboard, K-ARK.........................................................................................................

41

3.12 Remote Controller, K-REMCO .................................................................................................................

41

3.13 Bar Code Reader ...................................................................................................................................

42

 

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3.13.1 Connection to the Compact Monitor...............................................................................................

42

3.13.2 Different Configurations ................................................................................................................

42

3.14 Troubleshooting ....................................................................................................................................

44

4 INTERFACING

45

4.1 Interfacing Monitors via UPI Board, B-UPI .................................................................................................

46

4.1.1 Interconnection Datex-Ohmeda Monitors .........................................................................................

46

4.1.2 Setting the Interfacing Parameters ...................................................................................................

47

4.1.3 Setting the Interfacing Parameters for the Compact Monitor ..............................................................

47

4.2 Interfacing with Datex-Ohmeda Monitors via UPINET Board, B-UPINET .......................................................

47

4.3 Interfacing Monitors via M-INT ..................................................................................................................

48

4.3.1 Connection to Datex-Ohmeda Monitors............................................................................................

48

4.3.2 Connection to Critikon Dinamap 1846SX, Abbott Oximetrix 3 and Baxter Explorer ..............................

49

4.3.3 Connection to Baxter Vigilance ........................................................................................................

49

4.3.4 Connection to Nellcor N-100 and N-1000........................................................................................

49

4.3.5 Connection to Nellcor N-200 ...........................................................................................................

49

4.4 Interfacing Datex-OhmedaAS/3 Anesthesia Delivery Unit..........................................................................

49

4.5 Interfacing Dräger Cicero and Cato ...........................................................................................................

50

4.6 Interfacing a printer .................................................................................................................................

50

4.7 Interfacing a computer.............................................................................................................................

50

4.8 UPI Board Output Signals.........................................................................................................................

51

4.8.1 Digital Outputs................................................................................................................................

51

4.8.2 Analog Outputs ...............................................................................................................................

52

4.8.3 Setting the Analog Output Signals....................................................................................................

53

4.9 Pressure Temp Module, M-PT Output Signals ............................................................................................

54

4.9.1 Analog Outputs ...............................................................................................................................

54

5 FUNCTIONAL CHECK

55

5.1 Recommended tools ...............................................................................................................................

55

5.2 Visual inspection/preparation..................................................................................................................

55

5.3 Functional Inspection ..............................................................................................................................

58

6 GENERAL TROUBLESHOOTING

74

APPENDIX A

75

FUNCTIONAL CHECK FORM

A-1

TABLE OF FIGURES

 

Figure 1 AS/3, CS/3 Compact Monitor ..................................................................................................................

1

Figure 2 General Structure of AS/3 and CS/3 System.............................................................................................

9

Figure 3 Distributed Processing in AS/3 and CS/3 System ...................................................................................

10

Figure 4 Principle of UPI operation .......................................................................................................................

11

Figure 5 Software loading....................................................................................................................................

12

Figure 6 General structure of parameter modules .................................................................................................

13

Figure 7 AS/3 Compact Monitor Connections.......................................................................................................

15

ii

 

Document No. 896623

Table of contents

Figure 8 Rear Panel with Memory, CPU and UPINET Boards ...................................................................................

16

Figure 9 Rear Panel with NET, CPU and UPI Boards. NET and UPI Boards can be replaced by UPINET board.............

16

Figure 10- Datex-Ohmeda Compact Airway Module ..............................................................................................

39

Figure 11 Scavenging through Ventilator Reservoir................................................................................................

40

Figure 12 Connection Directly to a Scavenging System .........................................................................................

40

Figure 13 Sample Gas Return to Patient Circuit in ADU..........................................................................................

41

Figure 14 Bar Code Reader connected to the Compact Monitor .............................................................................

42

Figure 15 Monitor General Troubleshooting Flowchart...........................................................................................

74

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Datex-Ohmeda AS/3 CM and CS/3 CMC

iv

Document No. 896623

General Service Guide

1INTRODUCTION

Datex-Ohmeda AS/3 Compact Monitor is a cardiac and respiratory monitoring device used during anesthesia, recovery and short transports.

Datex-Ohmeda CS/3 Compact Monitor is designed for monitoring in intensive care units.

The monitor consists of the CM frame and modules. There are single and double width modules containing one or more parameters. The modules can be removed and inserted during operation.

The CM frame is equipped with a battery, and also a built-in recorder is available. AS/3 Anesthesia Keyboard, K-ARK is available for AS/3 Compact Monitor.

1

2

 

3

Figure 1

AS/3, CS/3 Compact Monitor

(1)CM Frame

(2)Printer

(3)Remote Controller, K-REMCO

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Datex-Ohmeda AS/3 Compact Monitor, CS/3 Compact Monitor

1.1 Notes to the reader

This technical reference manual is intended for service personnel and engineers who will perform service and maintenance procedures on Datex-OhmedaAS/3 Compact Monitor and DatexOhmeda CS/3 Compact Monitor.

This technical reference manual is divided into two parts:

The Part I gives to the reader overview of the AS/3 Compact Monitor and CS/3 Compact Monitor. This part of the manual contains also the information you need to unpack, install and test the monitors. Read the manual through and make sure that you understand the procedures described before installation of the monitor. To avoid risks concerning safety or health, strictly observe the warning indications. If you need any assistance concerning the installation, please do not hesitate to contact your authorized distributor.

The Part II gives detailed descriptions of each component of Compact Monitor.

The manufacturer reserves the right to make changes in product specifications without prior notice. The information in this manual is believed to be accurate and reliable; however, the manufacturer assumes no responsibility for its use.

Datex-Ohmeda assumes no responsibility for the use or reliability of its software on equipment that is not furnished by Datex-Ohmeda.

1.1.1 Related Documentation

AS/3 Compact Monitor

More information about the clinical aspects and technical background:

AS/3 Compact Monitor, User’s Guide

AS/3 Compact Monitor, User’s Reference Manual

Default configuration options: Default Configuration Worksheet

Circuit diagrams, component lay-out pictures, etc.: Schematic Diagrams

More information about other devices closely related to the Compact Monitor:

Information Center, User’s Reference Manual

AS/3 Record Keeper, User’s Reference Manual

CS/3 Compact Monitor

More information about the clinical aspects and technical background:

CS/3 Compact Monitor, User’s Guide

CS/3 Compact Monitor, User’s Reference Manual

Default configuration options: Default Configuration Worksheet

Circuit diagrams, component lay-out pictures, etc.: Schematic Diagrams

More information about other devices closely related to the Compact Monitor:

Information Center, User’s Reference Manual

CS/3 Arrhythmia Workstation, User’s Reference Manual

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General Service Guide

1.1.2 Conventions used

Throughout this manual, the following conventions are used to distinguish procedures or elements of text:

?Sign the performed procedure in the check list.

 

To help you find and interpret information easily, the manual uses consistent text formats for

 

certain text types:

Hard Keys

Names of the hard keys on the Remote Controller, Command Board and modules are written in the

 

following way: Cancel.

Menu Items

Menu items are written in bold italic typeface, for example Location.

‘Messages’

Messages (alarm messages, informative messages) displayed on the screen are written inside

 

single quotes, for example ‘Learning’.

Chapters

When referring to different sections in this manual, section names are written in italic typeface and

 

enclosed in double quotes, for example “Cleaning and Care”.

WARNING

Warnings are written in bold D-O Sans typeface. The font size is 13 points. The

 

word warning itself is written in capitals.

CAUTION

The font size is 13 points. The word caution itself is written in capitals.

 

NOTE: Notes are written like this using Bodytext.

Symbols on transport packaging

The contents of the transport package are fragile and have to be handled with care.

This symbol indicates the correct upright position of the transport package.

The transport package must be kept in a dry environment.

This symbol is to indicate the temperature limitations within which the transport package should be kept and handled.

Symbols on equipment

This battery contains Ni-Cd and in case of disposal, must be separated from other waste according to local regulations.

Ni-Cd

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Datex-Ohmeda AS/3 Compact Monitor, CS/3 Compact Monitor

This battery contains Ni-Cd and it can be recycled.

Ni-Cd

Dangerous voltage

When using the ARK Barcode Reader, N-SCAN, do not stare into beam. The N-SCAN

Barcode Reader is a Class 2 laser product.

Attention, consult accompanying documents.

When displayed beside the O2 value, indicates that FiO2 low alarm limit is set below 21 %.

When displayed next to the HR value, indicates that the pacer is set on R or a wide QRS is selected.

On the Interface Module M-INT, indicates that it is for connecting external devices. Do not connect patient cables to the module.

On the rear panel of the monitor indicates the following warnings and cautions:

Electric shock hazard. Do not open the cover or the back. Refer servicing to qualified personnel.

For continued protection against fire hazard, replace only with same type and rating of fuse.

Disconnect power supply before servicing.

Type BF (IEC-601-1) protection against electric shock

Type BF (IEC-601-1) defibrillator-proof protection against electric shock

Type CF (IEC-601-1) protection against electric shock

Type CF (IEC-601-1) defibrillator-proof protection against electric shock

Gas outlet (in airway gas models only)

Ethernet connectors

When displayed on the upper left corner of the screen, indicates that the alarms are silenced. When in the menu or digit fields, indicates that the alarm source has been turned off.

Other Symbols

Equipotentiality. Monitor can be connected to potential equalization conductor.

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General Service Guide

 

Alternating current

 

Fuse

SN, S/N

Serial Number

 

Sub menu. Selecting an alternative with this symbol in a menu opens a new menu.

The monitor is connected to the Datex-Ohmeda Network.

Data card (green) and/or the Menu card (white) is inserted.

Indicates the beats detected.

Respiration rate is measured using impedance respiration measurement.

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Datex-Ohmeda AS/3 Compact Monitor, CS/3 Compact Monitor

1.2 Safety Precautions

1.2.1 Warnings

WARNING

A WARNING indicates a situation in which the user or the patient may be in

 

danger of injury or death

Power Connection

Before connecting the power cord to the mains outlet, check that the local voltage and frequency rating corresponds with the rating stated on the device plate on the rear panel of monitor frame.

Connect the monitor to a three-wire, grounded, hospital grade receptacle. Do not remove the grounding prong from the power plug.

Use intact power cord. Replace the cord if it is cracked, frayed, broken or otherwise damaged.

Do not apply tension to the power cord. The cord may get broken.

Do not use extension cords or adapters of any type.

External Connection

Do not connect any other external devices to the monitor than those specified by DatexOhmeda.

Fuse Replacement

Replace the fuse with a fuse of the same type and with the same rating.

Explosion Hazard

Do not use the monitor in the presence of flammable anesthetics.

Patient Safety

Do not perform any testing or maintenance on the monitor while it is being used on a patient.

Use only cables and accessories approved by Datex-Ohmeda. Do not modify them. Other cables and accessories may damage the monitor or interfere with measurement.

PACEMAKER PATIENTS: The impedance respiration measurement may cause rate changes in Minute Ventilation Rate Responsive Pacemakers. Set the pacemaker rate responsive mode off or turn the impedance respiration measurement off on the monitor.

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General Service Guide

Cleaning and Service

Only trained personnel with proper tools and test equipment should perform the tests and repairs described in this manual. Unauthorized service may void the monitor warranty.

Switch the power off and unplug the power cord before cleaning or service. Get rid of moisture completely before reconnecting it to the mains outlet.

Do not touch any exposed wire or conductive surface while covers are off and the monitor is energized. The voltages present can cause injury or death.

Perform electrical safety check and leakage current test to the monitor always after service.

1.2.2Cautions

CAUTION

A CAUTION indicates a condition that may lead to equipment damage or

 

malfunction.

Installation

Leave space behind the monitor to allow proper ventilation.

Before Use

Allow two minutes for warm-up and note any error messages or deviations from normal operation.

Clean side panel fan dust filter once a month or whenever necessary.

Autoclaving and Sterilizing

Do not autoclave any part of the monitor.

Do not gas sterilize the modules.

Cleaning and Service

Do not use ammonia-, phenol-, or acetone-based cleaners. These cleaners may damage the monitor surface.

Do not immerse the monitor in any liquid. Do not allow liquid to enter the monitor or into modules.

Electrostatic discharge through the PC boards may damage the components. Before replacing PC boards, wear a static control wrist strap. Handle all PC boards by their nonconductive edges and use anti-static containers when transporting them.

Do not break or bypass the patient isolation barrier when testing PC boards.

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Special Components

There are special components used in this monitor which are vital to assure reliability and safety. Datex-Ohmeda assumes no responsibility for damage if replacement components not approved by Datex-Ohmeda are used.

There is a lithium battery on the CPU board. Discard broken IC containing the battery according

to local regulations.

Batteries

The battery package of the power supply unit in this device contains NiCd which is hazardous to environment and thus the battery needs to be disposed of carefully according to local regulations.

To replace the batteries safely, please refer to the instructions further on in this manual.

Do not short-circuit the battery terminals, short-circuiting the battery may produce a very high current, which damages the battery.

Do not dispose of the battery into open flame, nor put the battery near fire, as it may explode.

Do not disassemble the battery. It contains electrolyte, which may damage clothing or cause injury to skin or eyes. If exposed to electrolyte, wash the injured area with plenty of water and contact a doctor.

See also the chapter “Symbols”.

Storage and Transport

Do not store or transport the monitor outside the specified temperature and pressure range:

Temperature

-10...

+50 °C /14...122 °F

Ambient pressure

660...

1060 hPa/500...800 mmHg/

 

660...

1060 mbar

Humidity

0...85 % non-condensing

Discard

Discard the device and parts thereof according to local regulations. Do not discard to the nature.

The manufacturer accepts no responsibility for any modifications made to the monitor outside the factory.

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General Service Guide

2SYSTEM DESCRIPTION

2.1 Introduction

Datex-OhmedaAS/3 and CS/3 monitors builds up to freely configurable modular system. The architecture is designed to enable different module combinations so that the user is able to get the desirable parameter and feature set. The modular approach makes it possible to add new features when they are needed.

2.2 Bus structure

The operation of Datex-OhmedaAS/3 and CS/3 products is based on two communication channels, the CPU bus and the module bus. All boards connected to the CPU bus as well as the parameter modules attached to the module bus receive their power from the same power supply, which is an integral part of the frame.

 

 

UPI /

 

 

 

CPU

 

 

 

 

Display

 

 

 

Power

 

 

 

UPINET

 

 

 

 

 

 

Controller

 

 

 

Supply

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU BUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MODULE BUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Parameter

 

 

 

Parameter

 

 

 

 

 

 

 

 

 

 

 

Module

 

 

 

Module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 2

General Structure of AS/3 and CS/3 System

The CPU bus is a parallel communication channel used only for internal data transfer between the boards connected to one frame. It is based on the ISA bus used in the IBM PC computers. Data is transferred on this 16 bits wide bus using the CPU clock frequency.

The module bus is used to connect the parameter modules to the frame. It based on the widely used industry standard RS-485, which uses differential serial method to transfer the data. This type of bus is quite robust and it allows the modules to be attached or detached when the power is on.

The RS-485 type serial communication supports so called multidrop or party line connections. This means that all modules connected to module bus are using the same two physical wires for communication purposes. The advantage is, that all the module bus connectors are identical and the modules can be connected to any order and position.

Module bus is using 500 kbps data transfer rate and it can be used for longer distances than the CPU bus, e.g. for external-frame connections.

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2.3 Distributed processing

A system put together from AS/3 and CS/3 products is a multiprocessor system. All the modules have their own microprocessor and they are doing the low-level functions such as module key control, waveform filtering, pneumatic control, etc. At the same time the main CPU is doing higher level tasks, e.g. trending and alarm control. While modules and CPU are doing their job, the UPI processor takes care of all functions needed to transfer the data between modules and CPU. And at the same time the processor on display control board is doing pixel calculations for graphics.

This kind of parallel processing gives one major advantage to centralized processing. Each time new modules or boards are added to the system, the processing power is also increased. As a result the system is not slowing down when new features are added.

Module

RAM

UPI or UPINET

Dual-port RAM

CPU

System memory

Display Control

Board

Display memory

Figure 3

Distributed Processing in AS/3 and CS/3 System

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General Service Guide

2.4 Module communication

The communication master controlling the data transfer between CPU bus and module bus is called UPI (Universal Peripheral Interface) board. It sends information or questions to each module 100 times per second, and if the module is present it replies to each question immediately by sending a data package back to UPI board. This communication protocol ensures that each module receives and sends information every 10 ms, the package length depends on the module type. If the module does not respond, the UPI presumes that the module is not connected.

Each module type has a unique name, which UPI uses to address its messages. If there are two modules of the same type, they both answer at the same time. This results an error and thus two similar modules are not allowed in one frame.

UPI Board

Dual-port

RAM

Bus CPU

Microcontroller

Bus AS/3

Bus Module

Figure 4

Principle of UPI operation

The microprocessor on the UPI board collects all information coming from the modules into a dualport RAM. This memory is located on UPI board and it is mapped directly to the address space of the main CPU. The main CPU is thus reading information from it's own memory and UPI guarantees that the data is up to date. This operation works also to the other direction, when CPU is filling the dual port RAM with data and UPIs’ microprocessor is distributing it to the modules.

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2.5 Software loading

The Software Cartridge attached to the B-CPU2/3 board contains the program for the CPU board as well as for some other boards attached to the CPU bus. When the system is turned on, all processors load their part of the software from the cartridge and after that start to execute their program.

The CPU Board, B-CMCPU4 contains no external software cartridge. The softwares are always loaded on the B-CMCPU4 boards already at the factory. For service procedures B-CMCPU4 boards has a PC card drive, through which the software is loaded permanently on the board from the software card.

 

w/ B-CPU2/3

or w/ B-CMCPU4

 

 

Software

 

Software

Card

 

 

 

Cartridge

 

UPI OR UPINET

CPU

Display

Board

Board

Controller

 

 

Board

Program

Program

Program

Memory

Memory

Memory

 

CPU BUS

Figure 5

Software loading

2.6 Parameter modules

The detailed structure of the parameter modules depends on the specific needs for each individual parameter. Some common parts can be found inside the modules, however. The electronics inside the module is usually divided into isolated (floating) and non-isolated sections. Typically the nonisolated part consists only buffers needed to interface the module to module bus, the rest of the electronics can be found from the isolated side. This includes the microcontroller together with memory components, the front end analog electronics (amplifiers, etc.) and peripheral drivers to control LEDs, sensors, valves and pumps.

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Module

 

 

 

 

 

+5V

 

 

 

 

 

 

 

 

 

 

 

 

keys

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

±12V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Patient

 

 

 

Analog

 

 

A/D

CPU

electronics

 

 

converter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RAM

EEPROM

Peripheral

drivers

 

 

Power

 

Isolation

transformer

+15V

 

sitneitaP

Reset

 

talo

Data

 

noi

 

 

 

 

 

 

 

Opto

RS485

 

 

isolation

drivers

 

 

 

 

 

suB eludoM

Figure 6

General structure of parameter modules

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3SYSTEM INSTALLATION

3.1Unpacking instructions

1.Confirm that the packing box is undamaged. If the box is damaged, contact the shipper.

2.Open the top of the box and carefully unpack all components.

3.Confirm that all components are undamaged. If any of the components is damaged, contact the shipper.

4.Confirm that all components are included. If any of the components is excluded, contact your Datex-Ohmeda distributor.

3.2Choosing location

Consider the following aspects:

Lighting

Space

Connections

Electromagnetic and radio frequency interference

Atmosphere

3.3Assembling the AS/3, CS/3 Compact Monitor Frame

Mounting of the Compact Monitor to the Compact Monitor Bed Mount or Wall Mount is described in a separate instruction sheet delivered with the mount.

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3.3.1 Compact Monitor connections

1

2

 

9

3

8

4

7

 

5

6

Figure 7

AS/3 Compact Monitor Connections

(1)Dust filter

(2)Recorder (optional)

(3)Connector for Remote Controller, Anesthesia Keyboard (K-ARK) and Bar Code Reader

(4)Potential equalization

(5)Mains power inlet

(6)Network connectors on B-NET/B-CMNET (optional)

(7)Device plate with voltage information

(8)Network connectors on B-UPINET/B-UPI (optional)

(9)Insertion slots for memory cards (optional)

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3.3.2 Rear panel connectors

1

2

3

4

Figure 8

Rear Panel with Memory, CPU and UPINET Boards

(1)Software Cartridge, on CPU board, B-CPU2 or B-CPU3,

or Software Card drive and lid for back plate on B-CMCPU4, connector on B-CMCPU4 is reserved for future use (not in figure).

(2)Network connector

(3)Network identification plug connector

(4)Serial communication connector

1

2

3

4

5

6

 

Figure 9

Rear Panel with NET, CPU and UPI Boards. NET and UPI Boards can be

 

 

replaced by UPINET board.

 

 

 

(1)Network identification plug connector

(2)Network connector

(3)Ethernet status LEDs

(4)Software Cartridge, on CPU board, B-CPU2 or B-CPU3,

or Software Card drive and lid for back plate on B-CMCPU4, connector on B-CMCPU4 is reserved for future use (not in figure).

(5)Serial communication connector

(6)Parallel printer port, analogue & digital input/output connector

CAUTION

Turn the power off before making any rear panel connections.

NOTE: Your monitor configuration may not include all circuit boards listed above.

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3.3.3 Connection to mains

 

Connect the power cord to the mains power inlet on the side of the monitor and to the wall socket.

WARNING

The power cord may only be connected to a three-wire, grounded, hospital grade

 

receptacle.

3.3.4 Connection to Network

To connect your monitor to Datex-Ohmeda Network, make sure you have a network board B-NET or B-UPINET installed.

Use the Monitor-Network cable to connect the monitor to the network.

1.Make sure that the power is turned off.

2.Connect the one of RJ-45 connectors to the connector and the Identification Plug to X2 connector on the network board.

3.Connect the other RJ-45 connector to the corresponding connector on the wallbox.

4.Turn on the power. Confirm that the network symbol and 'Connected to Network' message are displayed on the upper part of the screen.

NOTE: The network symbol will not be displayed if the battery symbol is displayed on the upper part of the screen.

3.3.5 Inserting the parameter modules

Insert each plug-in parameter module into a module slot. Firmly press the module in position.

NOTE: Do not use two or more modules with identical functions in the monitor. Take special care of this when using the extension frame.

Modules with identical functions are:

Haemodynamic multiparameter modules: M-ESTPR, M-ETPR, M-ESTR, M-NESTPR, M- NETPR, M-NESTR, M-NE12STPR, M-NE12TPR and M-NE12STR

Pressure Modules: M-P, Pressure Temp Module, M-PT

Cardiac Output Modules: M-COP and M-COPSv

NIBP Modules: M-NIBP, M-NESTPR, M-NETPR, M-NESTR, M-NE12STPR, M-NE12TPR and M-NE12STR

Airway Modules: M-C, M-CO, M-COV, M-CAiOV, M-CAiO and M-CAiOVx

The Recorder Module, M-REC and the built-in recorders in F-CMREC or F-CMCREC may not be used simultaneously.

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Datex-Ohmeda AS/3 Compact Monitor, CS/3 Compact Monitor

3.3.6 Replacing the CPU Board, B-CMCPU4

In case of service procedures (empty B-CMCPU4 and service software on PCMCIA card) refer the slot of CM Frame, CPUs and Softwares; Part II/1.

1.Make sure that the power is turned off on the Compact Monitor and unplug the power cord. Press and hold the service reset button on the rear panel for at least five seconds until the service reset indicator LED is switched off.

2.Unscrew the six screws holding the back plate in position and remove the plate.

WARNING

The Compact Monitor is always energized by the internal battery. Do not touch

 

any exposured wiring or conductive surface with metallic object while the back

 

plate is off or electric failure may result.

CAUTION

The Compact Monitor is always energized by the internal battery. A short circuit may

 

cause internal damage.

3.Before you can remove the B-CMCPU4 board you have to remove boards next to it (B- UPI/B-UPINET and B-NET/B-CMMEM). Refer instructions in this same chapter.

4.Unscrew the screws holding the B-CMCPU4 board in position and remove the board.

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5.Remove the CPU board from the protective anti static packaging. Always hold the board by the edges and wear a wrist grounding strap.

CAUTION

The CPU Board comprises sensitive integrated circuits that can be damaged by an

 

electrostatic discharge. Careful handling of the board is therefore essential.

6.Insert the new CPU Board into the empty slot and firmly press the board in position.

7.Replace PC boards removed earlier and secure the boards.

8.Attach the back plate removed earlier.

9.Reconnect the Power Cord and turn the power on.

10.Perform factory reset.

3.3.7 Performing Factory Reset

NOTE: The factory reset is necessary after replacing software and after replacing CPU board.

NOTE: The factory reset will restore all your customized defaults, including language selection, to factory defaults.

1.Press the Monitor Setup key.

2.Select Install/Service and password (16-4-34).

3.Select Service and password (26-23-8).

4.Select Set/ Test and perform factory reset.

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3.3.8 Replacing the Software Cartridge of B-CPU2/3

NOTE: All user settings will be lost after replacing the software cartridge.

1.Make sure that the power is turned off on the Compact Monitor and unplug the power cord. Press and hold the service reset button on the rear panel for at least five seconds until the service reset indicator LED is switched off.

2.Unscrew the two screws holding the software cartridge in position and remove the cartridge.

3.Insert the new software cartridge into the empty slot and firmly press the cartridge in position. Secure the cartridge (two screws).

4.Reconnect the power cord.

5.Perform factory reset.

NOTE: After changing the software cartridge the start-up time is considerably longer when the monitor is started for the first time.

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