ACUTRONIC fabian HFO User manual

fabian HFO | SW 5.1.x
Ref: 113003.EN / Date 2020-02-10
Warning
Carefully read the instructions for use
before using the ventilator to
familiarise yourself with the function of
the equipment
Ventilation Beyond Limits
fabian HFO and Auxiliary Systems
Instructions for Use, Software Version 5.1.x

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DISCLAIMER
ACUTRONIC Medical Systems assumes no responsibility for the use or reliability of its software on equipment
that is not furnished by ACUTRONIC Medical Systems.
ACUTRONIC Medical Systems makes no warranty of any kind with regard to software applications that are
created by the user.
This document contains confidential and proprietary information that is protected by copyright. All rights
are reserved. Any unauthorized copying, storage, reproduction or translation of this document in any form is
strictly prohibited.
This document cannot be copied, reproduced, translated, stored in a retrieval system, transmitted in any form, or
reduced to any electronic medium or machine-readable form, in whole or in part, without the written permission of
ACUTRONIC Medical Systems.
Manufactured by
ACUTRONIC Medical Systems AG
Fabrik im Schiffli
8816 Hirzel / Switzerland
Tel: [phone]
Fax: [phone]
e-mail: [e-mail]
www.acutronic-medical.ch
For any additional parts and accessories, contact your local distributor for available items and price list.

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Contents
1Introduction........................................................................................................................7
1.1 Working with the instructions .......................................................................................7
1.2 Notices and warnings...................................................................................................7
1.3 Applicable product versions.........................................................................................7
1.4 Symbols.......................................................................................................................8
2Warnings cautions and notices......................................................................................11
2.1 Always observe..........................................................................................................11
2.2 Maintenance..............................................................................................................13
2.3 Liability for functionality / damages ............................................................................14
2.4 Intended use..............................................................................................................14
3System overview..............................................................................................................15
3.1 Scope of delivery.......................................................................................................15
3.2 Contraindications.......................................................................................................15
3.3 fabian HFO front connections ....................................................................................15
3.3.1 Devices with serial number prefix AI / AL.............................................................................15
3.3.2 Devices with serial number prefix 20 / AK / AH....................................................................16
3.3.3 Rear panel of device from SN AI-01500 and AL-00400.......................................................16
3.3.4 Hardware with video input ....................................................................................................17
3.3.5 Initial hardware model...........................................................................................................18
3.3.6 General hardware characteristics.........................................................................................19
4System functions and displays.......................................................................................21
4.1 Control panel options.................................................................................................21
4.1.1 Function buttons ...................................................................................................................21
4.1.2 Rotary push knob..................................................................................................................22
4.2 Display concept structure...........................................................................................22
4.2.1 Display areas........................................................................................................................22
4.2.2 Display screen ......................................................................................................................23
4.2.3 Information bar......................................................................................................................23
4.2.4 Numeric field / alarm limits....................................................................................................24
4.2.5 Graphics display ...................................................................................................................26
4.2.6 LED indicators ......................................................................................................................27
4.3 Ventilation menu........................................................................................................28
4.3.1 Operation –general..............................................................................................................28
4.3.2 Operation –settings..............................................................................................................29
4.3.3 Ventilation parameter dependency.......................................................................................30
4.3.4 Locking ventilator parameters ..............................................................................................30
4.4 Graphics menu..........................................................................................................32
4.4.1 Curves...................................................................................................................................33
4.4.2 Loops....................................................................................................................................35
4.4.3 Trend menu ..........................................................................................................................36
5System operation.............................................................................................................40
5.1 Preparing for operation..............................................................................................40
5.1.1 Connect the power supply....................................................................................................40

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5.1.2 Connect the gas supply........................................................................................................41
5.1.3 Connect the tubing set .........................................................................................................42
5.2 Patient circuit assembly.............................................................................................44
5.2.1Recommended positioning of temperature probe for humidifier..........................................45
5.2.2 Use of dual limb patient circuit .............................................................................................46
5.2.3 Connect nCPAP tubing ........................................................................................................49
5.2.4 Triggering in DUOPAP mode with flow sensor (optional)...................................................49
5.3 System start-up .........................................................................................................50
5.4 Device check.............................................................................................................51
5.5 System standby / pause ............................................................................................53
5.6 System shutdown......................................................................................................54
5.7 Emergency shutdown................................................................................................55
6Configurations menu.......................................................................................................56
6.1 Calibration.................................................................................................................57
6.1.1 Flow sensor..........................................................................................................................58
6.1.2 O2Sensor.............................................................................................................................60
6.1.3 etCO2module......................................................................................................................61
6.1.4 SpO2module .......................................................................................................................61
6.2 Body weight setting ...................................................................................................62
6.3 Display ......................................................................................................................62
6.3.1 Touch screen settings..........................................................................................................63
6.3.2 Trend / graph display ...........................................................................................................63
6.4 Ventilation parameter settings ...................................................................................64
6.5 Patient data...............................................................................................................67
6.6 Language..................................................................................................................68
6.7 Date / Time................................................................................................................68
6.8 Tools .........................................................................................................................69
6.9 Information ................................................................................................................69
6.10 Service mode ............................................................................................................70
7Alarms..............................................................................................................................71
7.1 Alarm limits menu......................................................................................................71
7.1.1 Automatic alarm limits..........................................................................................................73
7.1.2 Configurable alarms.............................................................................................................74
7.2 Alarm log...................................................................................................................74
7.3 Nurse call relay..........................................................................................................75
7.4 Alarm causes and solutions.......................................................................................75
7.4.1 Alarms table .........................................................................................................................76
7.4.2 Pressure release behaviour .................................................................................................82
7.4.3 Application error...................................................................................................................83
7.4.4 Watchdog alarms .................................................................................................................84
8Battery operation.............................................................................................................85
8.1 Power failure .............................................................................................................86
9Operating on External Power Source (devices with SN till AI-01500 and AL-00400)..87
10 Ventilation parameters....................................................................................................88

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11 Ventilation modes............................................................................................................92
11.1 IPPV..........................................................................................................................93
11.2 SIPPV........................................................................................................................94
11.3 SIMV..........................................................................................................................95
11.4 SIMV + PSV...............................................................................................................96
11.5 PSV...........................................................................................................................97
11.6 CPAP.........................................................................................................................97
11.7 nCPAP / DUOPAP.....................................................................................................97
11.8 O2Therapy mode (high and low flow oxygen therapy) HFNC....................................99
11.9 HFO...........................................................................................................................99
11.9.1 HFO lung recruitment ...........................................................................................................99
11.9.2 Special HFO mode information ..........................................................................................100
11.10 Ventilation Additives ................................................................................................100
11.10.1 Volume limit........................................................................................................................100
11.10.2 Volume guarantee ..............................................................................................................100
11.11 Special functions......................................................................................................101
11.11.1 Manual inspiration (manual Breath)....................................................................................101
11.11.2 Nebulizing medications (optional).......................................................................................101
11.11.3 O2Flush / preoxygenation..................................................................................................101
12 Accessories and options...............................................................................................102
12.1 Accessories List.......................................................................................................102
12.2 etCO2monitoring.....................................................................................................105
12.2.1 etCO2Sensor module types and selection ........................................................................105
12.2.2 Connect the etCO2module to fabian HFO .........................................................................107
12.2.3 MicroPod®sensor module.................................................................................................109
12.2.4 Respironics®etCO2sensors..............................................................................................115
12.3 SpO2module...........................................................................................................119
12.3.1 Setting up the Masimo sensor............................................................................................119
12.3.2 Sensitivity mode..................................................................................................................120
12.3.3 Fast SAT mode...................................................................................................................120
12.3.4 Alarm delay.........................................................................................................................121
12.3.5 SpO2averaging time..........................................................................................................121
12.4 PRICO.....................................................................................................................122
12.4.1 General information on PRICO...........................................................................................122
12.4.2 Setting up PRICO ...............................................................................................................124
12.4.3 PRICO Ventilation modes...................................................................................................126
12.4.4 PRICO disabling alarms .....................................................................................................127
12.4.5 PRICO re-enabling cases...................................................................................................127
12.4.6 PRICO errors......................................................................................................................127
12.5 External communication, PDMS ..............................................................................129
12.6 FOT.........................................................................................................................129
12.6.1 Forced Oscillation Technique (FOT) at fabian HFO...........................................................129
12.6.2 FOT general layout.............................................................................................................131
12.6.3 Erasing the FOT graph.......................................................................................................132
12.6.4 FOT disabling conditions....................................................................................................132

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12.6.5 FOT procedure...................................................................................................................133
12.6.6 FOT post data analysis ......................................................................................................136
12.6.7 FOT specifications..............................................................................................................136
13 Ventilator service and maintenance intervals .............................................................138
13.1 Disposal ..................................................................................................................138
14 Sterilization / cleaning / disinfection............................................................................139
14.1 fabian HFO..............................................................................................................139
14.1.1 Preparation for disinfection ................................................................................................139
14.1.2 Manual disinfection options................................................................................................139
14.2 Accessories.............................................................................................................140
14.2.1 Flow sensor cable ..............................................................................................................140
14.2.2 Flow sensor........................................................................................................................141
14.2.3 Exhalation membrane and membrane holder....................................................................142
14.2.4 Disassembly.......................................................................................................................143
15 Setting ranges and parameters ....................................................................................145
16 Guide to volume guarantee...........................................................................................149
16.1 fabian volume guarantee (VG) operation.................................................................149
16.2 Initial settings...........................................................................................................150
16.3 How to start the VG function....................................................................................150
16.4 Setting up the ventilator PSV+VG............................................................................154
17 Special procedures........................................................................................................155
17.1 Use of NO (Nitric Oxide)..........................................................................................155
18 Technical specifications ...............................................................................................156
18.1 Ambient conditions..................................................................................................156
18.2 Monitoring................................................................................................................156
18.3 Measuring................................................................................................................157
18.4 Resistance values ...................................................................................................158
18.5 Ventilation menu settings.........................................................................................158
18.6 Dimensions / weight ................................................................................................159
18.7 Ratings....................................................................................................................159
18.8 Data storage............................................................................................................160
18.9 Applied parts ...........................................................................................................160
18.10 Internal device checks.............................................................................................160
18.11 Gas blender function ...............................................................................................160
18.12 Essential Performance.............................................................................................162
19 Electromagnetic compatibility statement ....................................................................164
19.1 Devices from SN AI-01500 and AL-00400...............................................................164
19.2 Devices till SN AI-01500 and AL-00400...................................................................168
Appendix A Glossary ...........................................................................................................172
Appendix B Index.................................................................................................................174

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1Introduction
1.1 Working with the instructions
These instructions for use describe equipment components and their operation. These instructions
are structured so that you can step your way through the procedures and become familiar with the
operation of the ventilator.
WARNING
Carefully read the instructions for use before using the ventilator.
After you are familiar with the basic construction and operation of the ventilator you can use this
manual as a reference.
1.2 Notices and warnings
This document features three categories of notices and warnings.
WARNING:
Warnings identify conditions or practices that could result in serious adverse reactions or
potential safety hazards.
CAUTION:
Cautions identify conditions or practices that could result in damage to the ventilator or
other equipment.
NOTE:
Notes provide additional information to clarify an explanation or instruction.
1.3 Applicable product versions
This Instruction for Use is applicable for fabian HFO devices running software version 5.1.x, where
(x) can be any number.

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1.4 Symbols
The symbols defined in this section may appear in this document and on the equipment label or
labels.
Symbol
Description
Article No.
Batch code
CAUTION, refer to operator’s manual for important safety information and
precautions.
Chemical burn warning
Dangerous voltage warning
Data input / output RS-232
Data input / output RS-232
Disposal information
DO NOT cover
DO NOT stack no more than 2 on top
DO NOT use hooks
Potential equalisation connection
Flammability/Fire hazard warning
Sensor
Flow sensor connection
Flow sensor connection
External power supply input
Fragile, Handle with care
High Frequency interference warning
Keep away from heat
Keep dry
2

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Symbol
Description
Manufactured without the use of natural latex or derivatives
Manufacturer
Marking per Medical Devices Directive 93/42/EEC
Nebulizer (obsolete)
Network Ethernet connection (disabled)
Non-Sterile
NOTE symbol
Nurse Call signal output
Nurse Call signal output
Protective Earth ground
Single use
This way UP
Type BF applied part
Type B applied part
Unplug power before opening housing
Video output
USB connection
Warning regarding operation in explosive areas
Do not use if package is damaged
Expiration date
Storage temperature

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Symbol
Description
Humidity limitation
Medical device
Do not use when patient is connected. For training purpose only

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2Warnings cautions and notices
2.1 Always observe
#
Symbol
Description
1.
NOTE:The use of the ventilator requires detailed knowledge and the
understanding of this operator’s manual. This device is only intended for the
described use.
2.
WARNING:Only use this ventilator in combination with an external
monitoring device (for example: SpO2).
3.
WARNING:Only operate the ventilator with accessories recommended by
ACUTRONIC Medical Systems AG.
4.
WARNING:The ventilator must be operated by qualified clinical staff to
ensure immediate remedial action in the event of malfunction.
5.
WARNING: The fabian system and associated auxiliary systems must
NEVER be used in MRI scanning facilities.
6.
WARNING:An alternate ventilation method (for example manual
resuscitation) must always be available when using the ventilator.
7.
WARNING: DO NOT use the ventilator in combination with flammable gases
or narcotic agents or in an oxygen-rich environment to prevent the risk of fire
or explosion.
8.
WARNING:NEVER use the ventilator in explosive environments.
9.
WARNING:An audible signal indicates a system or patient alarm and always
requires action by a trained medical professional.
10.
WARNING:If an alarm condition (other than the exceptions listed within this
manual) occurs while the audible alarm Silence function is engaged, only the
visual alarm indications are displayed.
11.
WARNING:DO NOT silence an audible alarm, engage the audible Alarm
Silence function, or decrease the audible alarm volume if patient safety could
be compromised.
12.
WARNING:DO NOT obstruct the speaker.
Blocking the speaker can result in an inaudible alarm tone.
13.
WARNING:Carefully route patient cabling to reduce the risk of patient
entanglement or strangulation.
14.
WARNING:NEVER connect the ventilator to a patient if an error or
malfunction is detected during equipment check.
15.
WARNING:NEVER connect to electrical devices not mentioned in this
operator’s manual without first consulting the manufacturer.
16.
WARNING:Connect only electrical devices which are IEC60601-1 approved.
17.
WARNING:NEVER operate the ventilator while covered or set up in a way
to negatively impact the operation or function.

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#
Symbol
Description
18.
WARNING:Always unplug the ventilator from the power source before
opening the housing.
19.
WARNING:NEVER use anti-static or electrically conductive tubing.
20.
NOTE: To support patient and operator safety, the fabian HFO does not
contain VOCs, CO, CO2, O3, and particulates emitted above hazardous
thresholds. Acute, subacute/subchronic, and chronic toxicity from the
exposure to these compounds from the intended use of this device are not
expected.
21.
WARNING:The device can only be isolated from the main power supply by
removing the power cord completely.
Ensure the power socket is always accessible for disconnection.
DO NOT disconnect the power cable unless for Service purposes or
transport.
22.
WARNING:DO NOT modify the equipment.
23.
WARNING:Before applying non-original accessories, ensure that they are
biocompatible. All accessories supplied by ACUTRONIC Medical Systems
for use on fabian ventilators are biocompatible.
24.
WARNING:When connected to a patient DO NOT simultaneously touch the
external power supply cord and the flow sensor connector cable.
25.
WARNING:if the volume of the auditory alarms is set less than the ambient
noise level this might impede an operator to recognize alarm conditions.
26.
WARNING:NEVER cover the ventilator while in use.
27.
WARNING:DO NOT position the ventilator in such a way that this adversely
affects its performance or makes it difficult to disconnect the ventilator from
the mains supply. In case of emergency, removal of the mains plug from the
wall outlet disconnects the ventilator from mains power.
28.
WARNING:in case of ventilator failure, the lack of immediate access to
appropriate alternative means of ventilation can result in patient death.
29.
WARNING:Ensure that alarms are appropriately set before use of ventilator
on a patient.
30.
WARNING:In case portions of the gas pathways through the VENTILATOR
become contaminated with body fluids or expired gases immediately contact
ACUTRONIC Medical Systems.
31.
WARNING:
•When selecting the neonatal patient size, a Neonatal Flow sensor should
be used.
•When selecting the pediatric patient size, a Pediatric Flow sensor should
be used.
32.
NOTE: In general, it should be noted that ventilation of children should only
be carried out by clinically trained specialists who have sufficient knowledge
of ventilation of patients of the specified age.
33.
WARNING: DO NOT use the etCO2module in the presence of flammable
anesthetics or other flammable substances in combination with air, oxygen-
enriched environments, or nitrous oxide.

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#
Symbol
Description
34.
WARNING:Check alarm limit settings each time the etCO2module is used.
35.
WARNING:The etCO2module is intended only as an adjunct in patient
assessment. It must be used in conjunction with assessment of clinical signs
and symptoms.
36.
Before use, carefully read the Oximetry Sensor Directions for Use and PC-
Series Patient Cable Directions for Use.
37.
EXPLOSION HAZARD: Do not use the pulse oximeter in the presence of
flammable anesthetics or other flammable substances in combination with
air, oxygen-enriched environments, or nitrous oxide.
38.
Check alarm limit settings each time the pulse oximeter is used.
39.
A pulse oximeter should NOT be used as an apnea monitor.
40.
A pulse oximeter should be considered an early warning device. As a trend
towards patient deoxygenation is indicated, blood samples should be
analyzed by a laboratory co-oximeter to completely understand the patient's
condition.
41.
Always remove the sensor from the patient and completely disconnect the
patient from the pulse oximeter before bathing the patient.
42.
Do not use malfunctioning equipment. Have the pulse oximeter unit repaired
by Masimo or a qualified service person.
43.
ELECTRIC SHOCK HAZARD: Do not remove the pulse oximeter cover.
There are no user-serviceable items inside the oximeter. An operator may
only perform maintenance procedures specifically described in this manual.
ONLY connect IEC 60601-1 or IEC 60950-1 compliant devices to Ethernet,
Nurse call, and RS232 ports.
44.
If the accuracy of any measurement by the pulse oximeter does not seem
reasonable, first check the patient's vital signs by alternate means, and then
check the oximeter for proper functioning.
45.
WARNING:Do not use the ventilator in association with HF (High
Frequency) electrosurgical equipment.
46.
WARNING:Connect SpO2and etCO2sensor cables to the machine before
the patient is connected.
2.2 Maintenance
The device is a ventilator classified as Class IIb according to the European Directive, as such:
•Inspection according to manufacturer specifications is required every 12 months.
•Maintenance must be performed by ACUTRONIC Medical Systems trained personnel with
access to appropriate test and measuring equipment.
We strongly recommend ACUTRONIC Medical Systems AG exclusive representatives for service
agreements and repairs.
Only use original ACUTRONIC Medical Systems parts for repairs.
Note chapter ”Service and maintenance intervals”.

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2.3 Liability for functionality / damages
In the event of improper equipment maintenance or repair by any person not associated with
ACUTRONIC Medical Systems AG Service or improper use, any and all liability for the functionality is
transferred to the owner or operator.
ACUTRONIC Medical Systems AG assumes no liability for damages caused by the non-observance
of preceding notices. The preceding notices do not extend the warranty and liability terms of the
ACUTRONIC Medical Systems AG sales terms and delivery conditions.
2.4 Intended use
The fabian HFO is intended for premature infants, new-borns as well as children weighing up to
30 kg.
The fabian HFO evolution is intended for “in-patient use” in professional healthcare environment
including intra-hospital patient transport.
The fabian HFO is an electronically microprocessor controlled ventilator.
The fabian HFO ventilates with positive pressure based on the continuous-flow principle.
(Time cycled, pressure / volume limited or volume guaranteed)
Oxygen is metered by the integrated Air/O2 blender.
The oxygen concentration is measured internally with a galvanic oxygen sensor.
The ventilator is intended for the following ventilation methods:
•HFO (HFO/Sigh) - High Frequency Oscillation (membrane principle)
•IPPV - Intermittent Positive Pressure Ventilation (CMV Controlled Mandatory Ventilation)
•SIMV - Synchronized Intermittent Mandatory Ventilation
•SIPPV - Synchronized Intermittent Positive Pressure Ventilation (A/C, Assist Controlled)
•CPAP (Spn-CPAP/PS) - Continuous Positive Airway Pressure
•PSV - Pressure Support Ventilation
•SIMV + PSV - Synchronised Intermittent Mandatory Ventilation combined with PSV
•Non-Invasive Ventilation (NIV) - nCPAP/duoPAP with variable flow generators (Infant Flow®,
Infant Flow LP®, Inspire™, Medijet®)
•HFNC O2 Therapy - High and Low flow oxygen therapy
The equipment is operated by a physician or at their orders by a professional with technical training
in this task, whereupon any user must be trained on this equipment and familiar with the operator’s
manual and the use of the equipment.
fabian HFO is not approved for use in a homecare environment.

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3System overview
3.1 Scope of delivery
The fabian HFO product includes the following items:
•One fabian HFO Ventilator
•One accessory kit:
•One Flow Sensor (reusable)
•One Flow Sensor Cable
•One Test Lung
•Two single limb connecting tubes
•One power cable (country specific)
•One Instructions for use (country specific)
3.2 Contraindications
Severe airflow obstruction, and intracranial hypertension, would contraindicate the use of the fabian
HFO neonatal and infant ventilator.
fabian HFO should not be used in association with HF electrosurgical equipment.
In the event of ventilation for several hours or more, care must be taken for optimal conditioning of
the respiratory gases (warmth, humidification) to optimize secretion mobilization and prevent damage
to mucous membranes.
3.3 fabian HFO front connections
3.3.1 Devices with serial number prefix AI / AL
1.
External Bias Flow (FG - Fresh Gas) port and port for nCPAP system based on flow
generators (single limb systems)
2.
Expiratory limb port
3.
Proximal Pressure port
4.
Inspiratory limb port/ HFO port
1
2
3
4

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3.3.2 Devices with serial number prefix 20 / AK / AH
1.
Inspiratory limb port/ center port for connecting nCPAP system based on flow generators
(single limb systems)
2.
Expiratory limb port
3.
Proximal Pressure port
4.
HFO Port (optional)
3.3.3 Rear panel of device from SN AI-01500 and AL-00400
1
2
3
4

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#
Description
1
HDMI connector
2
USB connection for connection of a USB powered nebulizer. Also available when not in
clinical use for data output and software update.
3
Network connection for data management (disabled)
4
RS232 interface, service, PDMS
5
Flow sensor connector
6
Nurse Call Connector, max switching voltage 30V DC
7
Loudspeaker (Audio)
8
Fan
9
Connector for etCO2module (optional)
10
Connector for SpO2module
11
Mains connection with fuse holder
12
Terminal stud for potential equalization
13
Connection for compressed air supply 2.0 –6.0 bar / max 40 l/min
14
Connection for oxygen “O2” supply 2.0 – 6.0 bar / max 40 l/min
3.3.4 Hardware with video input

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#
Description
1.
Connector for 24V DC external power supply (No charging!)
2.
Network jack for data management, PDMS
(For connection to network with minimum 3 kV galvanic isolation) (disabled)
3.
USB port for data output, Software update and connection for Masimo SpO2module.
4.
DB9 RS-232 port for PDMS
5.
Flow Sensor 7-pin Connector
6.
Nurse Call Connector
7.
Video In, VGA (not used)
8.
Loudspeaker (Audio)
9.
Fan
10.
etCO2sensor (optional)
11.
Nebulizer (not used)
12.
O2supply connector 2.0 –6.5 bar / 40 l/min
13.
Pressurised air connector 2.0 –6.5 bar / 40 l/min
14.
Power Connector (fuse 1.25 AT)
15.
Equipotential connection
3.3.5 Initial hardware model

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#
Description
1.
Connector for 24V DC external power supply (does not charge internal battery!)
2.
Network jack for data management, PDMS
(for conection to network with minimum 3KV galvanic isolation) (disabled)
3.
USB port for data output, software update and connection for Masimo SpO2module
4.
DB9 RS-232 port for etCO2option and PDMS
5.
Flow Sensor 7-pin Connector
6.
Nurse Call Connector
7.
Loudspeaker (Audio)
8.
Fan
9.
Optional ports
10.
Power connector (Fuse 1 AT)
11.
Equipotential connection
12.
O2Supply Connector 2.0 to 6.5 bar / max 40 l/min
13.
Pressurized Air Connector 2.0 to 6.5 bar / max 40 l/min
3.3.6 General hardware characteristics
WARNING
•DO NOT connect Ethernet, Nurse call, USB, RS-232 (etCO2), SpO2, Flow Sensor port
to anything other than specified devices.
•DO NOT connect anything to ethernet, Nurse call, and RS232, while operating on
battery power.
•ONLY connect IEC 60601-1 or IEC 60950-1 compliant devices to Ethernet, Nurse call,
and RS232 ports.
For Adapter to DISS see Accessories.
The pin for the Potential Equalization provide additional safety and can be connected to an
equipotential zone. Please adhere to local guidelines when using this pin. The guidelines may vary
between countries, localities and power companies. Always keep the pin for equipotential connection
accessible
Maximum Connected Loads:
Nurse call: Isolated relay output
Max contact load: 30 VDC @ 1A
USB: 5V @ 150 mA max
RS-232: Signal Levels: EIA/TIA-232 Standard
Pin 9 Power: 5V @ 500 mA max (models without DC input)
Isolated

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fabian HFO | SW 5.1.x
Ref: 113003.EN / Date 2020-02-10
Ethernet: N/A (disabled)
Flow Sensor: Maximum load is one Flow sensor
(Only ACUTRONIC Medical Systems Flow sensors can be connected)
Max. Voltage: 5 V
Max. operating current: 300 mA per hotwire -> 600 mA total.
SpO2: Max. Voltage: 3.3 V
Max. operating current: 200 mA
etCO2: Max. Voltage: 5V
Max. operating current: 700mA