Knauer Azura P 4.2S User manual

Pump P 4.2S
Instructions
Document No. V6873
HPLCHPLC

Note: For your own safety, read the instructions and follow the warnings
and safety information on the device and in the instructions.
Keep the instructions for future reference.
Note: In case you require this instruction in another language, submit
your request including the corresponding document number via e-mail
or fax to KNAUER.
Do you have questions about the installation or the operation of your
instrument or software?
International Support:
Contact your local KNAUER partner for support:
www.knauer.net/en/Support/Distributors-worldwide
Support in Germany
(Austria & Switzerland on case-to-case basis):
Phone: [phone] (workdays 9-17h CET)
Fax: [phone]
E-mail: [e-mail]
KNAUER Wissenschaftliche Geräte GmbH
Hegauer Weg 38
14163 Berlin
Germany
Phone: [phone]
Fax: [phone]
Internet: www.knauer.net
E-mail: [e-mail]
Document number: V6873
Version number: 1.0
Release date: September 28, 2023
Translation of the original edition
This instruction applies to products with the product number:
EPJ00
The information in this document is subject to change
without prior notice. For the latest version of the instructions,
visit our website: www.knauer.net/library
This document contains confidential information and may not be
reproduced without written consent of KNAUER Wissenschaftliche
Geräte GmbH.
© KNAUER Wissenschaftliche Geräte GmbH 2023
All rights reserved.
AZURA® is a registered trademark of
KNAUER Wissenschaftliche Geräte GmbH.
Support:
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Version information:
Copyright:

AZURA® Pump P 4.2S Instructions V6873
I
Table of contents
1. Product information ...........................................................1
1.1 Device overview ....................................................1
1.2 Intended use .......................................................1
1.3 Views .............................................................1
1.3.1 Front view ...................................................1
1.3.2 Rear view ....................................................2
1.4 Features ...........................................................2
1.4.1 Performance overview .........................................2
1.4.2 Options .....................................................2
2. Scope of delivery ..............................................................3
1.5 Pump heads .......................................................3
3. Basic safety instructions ........................................................4
3.1 Target group .......................................................4
3.2 Safety equipment ...................................................4
3.3 What does the user have to consider? .................................4
3.4 Where is use of the device prohibited?.................................5
3.5 Taking the device safely out of operation...............................5
3.6 Opening the device .................................................5
3.7 Warnings ..........................................................5
3.8 Decontamination ...................................................6
4. Symbols and signs .............................................................7
5. Unpacking and setup ..........................................................8
5.1 Preparations........................................................8
5.1.1 Location requirements.........................................8
5.2 Power supply.......................................................8
5.2.1 Conditions...................................................9
5.2.2 Power plug ..................................................9
5.3 Unpacking the device ...............................................9
5.3.1 Removing transport protection .................................9
5.4 Integrating the pump into the HPLC system ...........................10
5.5 Connecting the eluent line to the pump head..........................11
5.6 Ports on the rear side...............................................12
5.6.1 Pin header connectors........................................12
5.6.2 Connecting cables to the pin header ...........................13
5.7 Connecting the device to a computer.................................14
5.7.1 Configuring the LAN settings ..................................14
5.7.2 Connect devices to the LAN...................................14
5.7.3 Configuring the router........................................15
5.7.4 Integrating the LAN into the company network ..................15
5.7.5 Controlling several systems separately in the LAN ................16

AZURA® Pump P 4.2S Instructions V6873
II
5.7.6 Firmware Wizard: ............................................16
5.7.6.1 Firmware Wizard: Assign static IP address ...................16
5.7.6.2 Firmware Wizard: Assign dynamic IP address ................17
5.7. 6 . 3 A PI PA ..................................................17
6. Initial startup ................................................................18
6.1 Switching on the pump .............................................18
6.2 LED status ........................................................19
6.3 Operation ........................................................19
6.3.1 Display symbols .............................................20
6.3.2 Controlling via keypad .......................................21
6.3.3 Navigate through the menu ...................................21
6.3.4 Changing values ............................................21
6.3.5 Menu Structure .............................................22
6.3.5.1 Setting the flow rate......................................23
6.3.5.2 Adjusting pressure turn-o ...............................23
6.3.5.3 Setting the shutdown threshold ...........................24
6.3.5.4 Piston seal wash .........................................25
6.3.6 Choosing pump head ........................................26
6.3.7 Flushing the pump...........................................26
6.3.8 Software ...................................................27
6.3.8.1 Via Local Area Network (LAN) .............................27
6.3.8.2 Control commands ......................................27
6.3.8.3 Activating the analog control..............................28
6.3.8.4 Controlling the flow rate analog ...........................29
6.3.8.5 Starting with a short-circuit ...............................30
6.3.8.6 Starting directly after connection to power supply ...........31
6.4 Switching o the pump .............................................31
7. Functionality tests ............................................................32
7.1 Installation Qualification (IQ) .........................................32
7.2 Operation Qualification (OQ) ........................................32
8. Troubleshooting..............................................................33
8.1 L AN ..............................................................33
8.2 Possible problems and solutions .....................................34
9. Maintenance and care.........................................................35
9.1 Maintenance contract ...............................................35
9.2 Cleaning and caring for the device ...................................35
9.3 Which type of maintenance tasks may users perform on the device? ......35
9.3.1 Pump head .................................................35
9.3.1.1 Torque values ...........................................35
9.3.1.2 Removing the pump head.................................36
9.3.1.3 Installing the pump head..................................36
9.3.2 Check valves ................................................37
9.3.3 Removing the check valves....................................37
9.3.4 Cleaning the check valves.....................................37
9.3.5 Installing the check valves ....................................38

AZURA® Pump P 4.2S Instructions V6873
III
10. Technical data ..............................................................39
10.1 General ..........................................................39
10.2 Communication ...................................................39
10.3 Technical parameters...............................................40
10.4 Dimensions .......................................................40
11. Chemical compatibility of wetted materials .....................................41
11.1 General ..........................................................41
11.2 Plastics ...........................................................41
11.2.1 Polyetheretherketone (PEEK) .................................41
11.2.2 Polyethylene terephthalate (PET, outdated PETP) ................41
11.2.3 Polyimide (Vespel®) .........................................42
11.2.4 Ethylene-tetrafluorethylene copolymer (ETFC, Tefzel®) ...........42
11.2.5 Perfluorethylenpropylen-Copolymer (FEP),
Perfluoralkoxy-Polymer (PFA) .................................42
11.2.6 Polyoxymethylene (POM, POM-H-TF) ..........................42
11.2.7 Polyphenylene sulfide (PPS) ..................................42
11.2.8 Polytetrafluorethylene (PTFE, Teflon®) .........................42
11.2.9 Systec AF™ ................................................42
11.2.10 Polychlortrifluorethylene (PCTFE, Kel-F®) ......................42
11.2.11 Fluorinated rubber (FKM) ...................................43
11.2.12 Perfluorinated rubber (FFKM) ................................43
11.3 Non-metals .......................................................43
11.3.1 Diamond-like carbon (DLC)...................................43
11.3.2 Ceramic ..................................................43
11.3.3 Alumina (Al2O3).............................................43
11.3.4 Zirconium oxide (ZrO2)......................................43
11.3.5 Sapphire ..................................................43
11.3.6 Ruby ......................................................43
11.3.7 Mineral wool ...............................................43
11.3.8 Glass, glass fibre, quartz, quartz glass .........................44
11.4 Me t al s ............................................................44
11.4.1 Stainless steel ..............................................44
11.4.2 Hastelloy®-C ...............................................44
11.4.3 Titanium, titanium alloy (TiA16V4) .............................44
12. Repeat orders...............................................................45
12.1 Accessories ......................................................45
12.2 Available pump heads ..............................................46
13. Legal information ...........................................................47
13.1 Transport damage.................................................47
13.2 Warranty conditions................................................47
13.3 Declaration of conformity ...........................................47
14. Disposal....................................................................48
14.1 AVV-Marking Germany.............................................48
14.2 WEEE-Registration number .........................................48
14.3 Eluents and other operating materials ................................48

AZURA® Pump P 4.2S Instructions V6873
1
1.1 Device overview
The HPLC pump P4.2S with pump heads can be used as feed pumps or
dosing pumps in analytical or preparative applications. Pumps transport
solvents or dissolved samples through the HPLC system.
1.2 Intended use
Note: Only use the device for applications that fall within the range of
the intended use. Otherwise, the protective and safety equipment of the
device could fail.
The device can be used in the following areas:
Biochemical analyses
Food analysis
Pharmaceutical analysis
Environmental analysis
Chemical analysis
Dosing applications
1.3 Views
1.3.1 Front view
Legend
1 Pressure sensor
2 Display
3 Status LED
4 Keypad
5 Pump head
Fig.1: P 4.2S with 10 ml pump head and pressure sensor
1. Product information
Operating ranges
1
4
5
2
3

AZURA® Pump P 4.2S Instructions V6873
2
1.3.2 Rear view
Legend
1 Serial number
2 UKCA mark
3 Fan
4 Power connection
- bushing
5 On/o switch
6 Interface RS-232
7 LAN connection
8 Pin header for
remote control
9 Hole for the ground
connection
blCE mark
Fig.2: Pump, rear view
1.4 Features
Analytical pump head with a flow rate range from 0.01 – 10 ml/min and
a pressure of up to 400 bar
Analytical pump head with a flow rate range from 0.01 – 50 ml/min and
a pressure of up to 150 bar
Dual-piston technology for constant flow rates
Setting a limit for minimum and maximum pressure to protect the HPLC
columns and to avoid a dry run of the pump
Emergency stop, independent from control with chromatography
software
The pump can be controlled with the keypad in standalone mode or
with the chromatography software.
The pump heads can be easily removed and replaced via four front-
accessible screws by the user.
The pump P 4.2S can be equipped with a pressure sensor.
1.4.1 Performance overview
Liquid transport with stable flow rate and high flow accuracy
Long service life
Pump head made of stainless steel or with Hastelloy-C or ceramic inlays
Piston backflushing
Dosing mode to deliver predefined volumes of liquid
High physical and chemical stability
Flexible control with LAN connection, RS-232 interface, and analog
control signals
Control with chromatography software
1.4.2 Options
A pump in combination with another pump can be used optionally to set
up a binary high pressure gradient system.
2
3
1
4
5
6
7
8
bl
9
Product information

AZURA® Pump P 4.2S Instructions V6873
3
1.5 Pump heads
Pump head for use in analytical applications:
Stainless steel with stainless steel inlays for standard applications
Stainless steel with stainless steel inlays and sapphire pistons for water
applications
Stainless steel with ceramic inlays for biocompatible applications
Stainless steel with Hastelloy-C inlays for corrosive media
Dierent pump head sizes: 10 ml or 50 ml
The front of the pump head is labeled with the maximum pumping capaci-
ty (10ml or 50ml). Pump heads with inlays are additionally labeled with the
respective material (SST for stainless steel,Ti for titanium, C for ceramic, HC
for Hastelloy-C).
Legend
1 Flow rate
2 Material
2
1
Fig.3: Pump head with inlays
Note: Only use spare parts and accessories made by KNAUER or a
company authorized by KNAUER.
Instructions (German/English)
Power supply cable
AZURA accessories kit
P 4.2S accessories kit
Inlet adapter (G6124)
Declaration of conformity
2. Scope of delivery

AZURA® Pump P 4.2S Instructions V6873
4
3.1 Target group
The document is intended for people who have completed at least a
training as a chemical laboratory assistant or a comparable training path.
Fundamental knowledge of liquid chromatography
Knowledge regarding substances that are suitable only to a limited
extent for use in liquid chromatography
Knowledge regarding the health risks of chemicals
Participation during an installation of a device or a training by the com-
pany KNAUER or an authorized company.
If you do not belong to this or a comparable professional group, you
must under no circumstances carry out the work described in this
operating manual. In this case, contact your superior.
3.2 Safety equipment
When working with the device, take measures according to lab regula-
tions and wear protective clothing:
Safety glasses with side protection
Protective gloves
Lab coat
3.3 What does the user have to consider?
All safety instructions.
The environmental, installation and connection specifications
When working with solvents, make sure the room is well-ventilated.
National and international regulations pertaining to laboratory work
Original spare parts, tools, and eluents made or recommended by
KNAUER
Good Laboratory Practice (GLP)
Accident prevention regulations of the accident health insurance com-
panies for laboratory activities.
Filtration of substances under analysis
Use of inline filters
No used capillaries elsewhere in the chromatographic
insert system
Only use a given PEEK fitting for one specific port and never re-use it
for other ports. Always install new PEEK fittings on each separate port.
Follow KNAUER or manufacturer's instructions on caring for the col-
umns
Other important topics for your security are listed alphabetically in the
following list:
Flammability: Organic eluents are highly flammable. Since capillaries
can detach from their screw fittings and allow eluent to escape, it is
prohibited to have any open flames near the analytical system.
Solvent tray: Risk of electrical shock or short circuit if liquids get into
the device's interior. Therefore always use a bottle tray.
3. Basic safety instructions
The following
knowledge is required:

AZURA® Pump P 4.2S Instructions V6873
5Basic safety instructions
Eluent lines: Install capillaries and hoses in such a way that liquids can
not get into the interior in case of a leak.
Leaks: Regularly check if any system components are leaking.
Auto-ignition: Only use eluents that have an auto-ignition temperature
of more than 150 °C under normal room condition.
Power strip: If several devices are connected to one power strip, always
consider the maximum power consumption of each device.
Power supply: Only connect devices to voltage sources, whose voltage
equals the device's voltage.
Toxicity: Organic eluents are toxic above a certain concentration. En-
sure that work areas are always well-ventilated! Wear protective gloves
and safety glasses when working on the device!
Supply cable: Damaged supply cables must not be used to connect the
devices to the power supply.
3.4 Where is use of the device prohibited?
Never use the system in potentially explosive atmospheres without ap-
propriate protective equipment. For more information, contact KNAUER
Technical Customer Support.
3.5 Taking the device safely out of operation
The device can be taken out of operation completely at any time by turn-
ing o the power switch of the power supply or disconnecting the supply
connection.
3.6 Opening the device
Only have the device opened by a KNAUER Technical Customer Service
representative or a KNAUER authorized company.
3.7 Warnings
Possible dangers that can arise from a device are classified into personal
injury or damage to property.
DANGER (red) indicates a high degree of risk. If not followed, will result in
death or serious injury.
WARNING (orange) indicates the average degree of risk. Failure to do so
may result in death or serious injury.
CAUTION (yellow) indicates a low risk level of the hazard. Failure to do so
may result in minor or moderate injury.
NOTICE (blue) indicates features that are not related to injury.

AZURA® Pump P 4.2S Instructions V6873
6Basic safety instructions
3.8 Decontamination
Contamination of devices with toxic, infectious or radioactive substances
poses a hazard for all persons during operation, repair, sale, and disposal
of a device.
All contaminated devices have to be properly decontaminated by a
specialist company or the operating company before they can be recom-
missioned, repaired, sold, or disposed of. All materials or fluids used for
decontamination have to be collected separately and disposed of prop-
erly.
Devices that reach KNAUER without a service request form (decontami-
nation report) will not be repaired. If you return a device to KNAUER, you
must enclose the completed service request form:
www.knauer.net/Dokumente/service/VFM-SBS-EN.pdf.
Life-threatening injuries
Health danger if getting in contact with toxic, infectious or radio-active
substances.
Before disposing of the device or sending it away for repair, you are
required to decontaminate the device in a technically correct manner.
Decontamination report

AZURA® Pump P 4.2S Instructions V6873
7
The following table explains symbols and labels which are used on the
device or in the instruction:
Symbol Meaning
The device complies with the product-specific
requirements of the European Union.
The device complies with the product-specific
requirements of the United Kingdom.
High-voltage hazard
Electrostatic-discharge hazard
Testing seals in Canada and the USA at nationally
recognized testing centers (NRTL). The certified device
or system has successfully passed the quality and
security tests.
Notes provide useful tips and valuable information.
The device is covered by the Waste Electrical and
Electronic Equipment Directive (WEEE Directive). It may
not be disposed of as unsorted municipal waste and
has to be collected separately.
4. Symbols and signs

AZURA® Pump P 4.2S Instructions V6873
8
5.1 Preparations
5.1.1 Location requirements
Note: The intended use be ensured only if the requirements for ambient
conditions of the operating environment are met. You will find the ambi-
ent conditions in chapter “Technical data” on page 39.
Device defect
The device overheats at exposure to sunlight and insucient air circula-
tion. Device failures are very likely.
Set up the device in such a way that it is protected against exposure to
direct sunlight.
Leave room for air circulation: See paragraph “space requirements“.
Position the device on a level surface.
Protect the device against direct exposure to sunlight.
Set up the device at a location not exposed to air drafts such as air
conditioning systems.
Protect the device from strong draft.
Do not set up the device near to machines that cause floor vibrations.
Keep the the devices away from high frequency sources. High-frequen-
cy sources may compromise measuring values.
At least 5 cm, if there is another device on one side.
At least 10 cm, if there are devices set up on both sides.
At least 15 cm to the cooler fan on the rear.
5.2 Power supply
Electronic defect
Electronic hazard when using an identically constructed power adapter
from another manufacturer.
Only use spare parts and accessories from KNAUER or a company
authorized by KNAUER.
For power supply, use the supplied power cable to meet the specifi-
cations which are described in the chapter Technical Data. But inspect
the provided power cable beforehand to ensure that it is approved for
your country. Replace defective power cables only with accessories from
KNAUER. Detachable power cables are not allowed to be replaced with
other cable types.
5. Unpacking and setup
General requirements
Space requirements

AZURA® Pump P 4.2S Instructions V6873
9Unpacking and setup
5.2.1 Conditions
The electrical power supply at the installation site has to be connected
directly to the nearest main power line.
The power has to be free from ripple, residual current, voltage peaks
and electromagnetic interference.
The connectors for the mains voltage are grounded accordingly.
The device receives sucient power with reserve capacity
5.2.2 Power plug
The power adapter is intended for use with AC power networks of
90 – 305 V.
Make sure that the power plug on the rear of the device is always ac-
cessible, so that the device can be disconnected from the supply.
Note: The nominal capacity of the connected devices has to be maxi-
mum 50 % of the power supply to account for larger inrush currents when
switching on the modules.
5.3 Unpacking the device
Check the carton for damage caused during transportation.
Utility knife
Process
1. Set up the package in such a way that you can read the label.
2. Using the utility knife, cut the adhesive tape and open the packaging.
3. Lift the foam padding. Take out the accessories kit and the manual.
4. Open the accessories kit and check the scope of delivery. If any parts
are missing, contact the Technical Support.
5. Clasp the device from below, lift it out of the packaging and place it
on its feet. Do not hold the device onto the front cover.
6. Check the device for signs of damage that occurred during trans-
port. If any parts are missing, contact the Technical Support.
7. Set up the device at the operation site. Remove the foam padding.
Store packaging and keep the included packing list for repeat orders.
5.3.1 Removing transport protection
Foam parts are inserted between the ends of the pump capillaries and the
housing 1as transport protection to prevent damages of the paintwork
during transportation. After setting up the device, the foam parts can be
removed. In case of a new transport or storage, the foam parts should be
inserted between the capillaries and the device.
Prerequisites
Tools
Bruising danger
Damage to the device by carrying or lifting it on protruding housing
parts. The device may fall and thus cause injuries.
Lift the device only centrally on the side of the housing.
Next steps

AZURA® Pump P 4.2S Instructions V6873
10 Unpacking and setup
Legend
1 Foam padding
Fig.4: Transport protection between the ends of the pumps
capillaries and the housing (this is an example)
5.4 Integrating the pump into the HPLC system
The pump can be integrated into an HPLC system by connecting the
pressure sensor or the pump head outlet and the HPLC system with capil-
laries.
Note: To integrate the pump into a system, note the ambient conditions
found in the sections Operating Environment and Technical Data as well
as the ambient conditions of other devices to be integrated into that
system.
Component defect
Possible damage to the pump head due to over-tightened capillary
fitting.
Note the torque of the screw connection.
The figure shows the installation plan for capillary and tubing for both
versions of the pump P 4.2S.
Legend
Connection solvent
to pump
Passive piston
backflushing
P 4.2S with pressure sensor P 4.2S without pressure sensor
Fig.5: Installation plan*
1
*This is an exemplary presentation.

AZURA® Pump P 4.2S Instructions V6873
11Unpacking and setup
Piston backflushing
To flush the backpiston space, aspirate flushing solution with the syringe
included in the accessory kit. Ensure regular backpiston flushing for opti-
mal seal lifetime.
Solvent flow path
The pump head takes the liquid in from the solvent bottle and conveys it
to the pressure sensor or directly into the HPLC system (version without
pressure sensor).
5.5 Connecting the eluent line to the pump head
The device has been switched o.
The power plug has been pulled.
Flangeless fitting
Flat seal
Note: Fittings, hose and filter are supplied in the pump‘s accessory kit
(article no. FPGA).
Device defect
Damage to pump head, device or system when inlet and outlet of the
pump head are blocked.
Remove the cap fittings from the inlet and outlet of the pump head
prior to use.
Procedure Process Figure
1. Stick the tube 4through the
nut 3.
2. Stick the tube through the seal
ring 2. The narrow end has to
point away from the nut.
3. Stick the cutting ring 1onto
the tube. Fig.6: Tube with nut, seal ring and
cutting ring
4. Insert the tubing into the inlet
5on the bottom of the pump
head.
5. Tighten the fitting by hand.
Fig.7: Solvent line on pump head
Integrate the pump into the HPLC flow system. Use 5 Nm torque for stain-
less steel fittings or 1 Nm for PEEK fittings.
Prerequisites
Tools
42 31
5
Next steps

AZURA® Pump P 4.2S Instructions V6873
12 Unpacking and setup
5.6 Ports on the rear side
Legend
1 Serial number
2 UKCA mark
3 Fan
4 Power connection
- bushing
5 On/o switch
6 Interface RS-232
7 LAN connection
8 Pin header for
remote control
9 Hole for the ground
connection
blCE mark Fig.8: Pump, rear view
External devices like a computer can be connected to the pump in three
dierent ways:
Via the pin header for remote control 8
Via LAN connector 7within a network
Connected to RS-232 6, alternatively to LAN connection
5.6.1 Pin header connectors
Contact Explanation
ANALOG IN
(0-10V)
Flow rate is controlled through external control
voltage (0–10 V).
ANALOG IN
(4-20 mA)
Flow rate is controlled through external control
current (4-20 mA).
ANALOG OUT Analog output signal for reproducing the mea-
sured system pressure (0–1 V).
START IN TTL-compatible input
Min. 10 mA
Low-active
At stand alone, RS-232 or LAN control stops the
motor at a short circuit contact between START IN
and GROUND.
At analog control, the motor starts at a short circuit
contact between START IN and GROUND. In addi-
tion, pump delivery is automatically started after
switching on.
This contact can not be used as a trigger to start
the data acquisition of a chromatography software.
2
3
1
4
5
6
7
8
bl
9
External devices

AZURA® Pump P 4.2S Instructions V6873
13Unpacking and setup
Contact Explanation
ERROR IN/OUT TTL-compatible input
Min. 10 mA
Low-active
This contact can either send an error signal or can
receive one. The pump can thus be stopped by the
error signal (ERROR-IN) or ensure that a second
device is stopped by an error signal that is output
at the ERROR-OUT.
GROUND Reference point of the voltage at the signal inputs.
5.6.2 Connecting cables to the pin header
To control one device through another, you use the pin header. To use
remote control, you have to connect cables to the pin header. The single
ports are used to exchange control signals.
The device has been switched on.
The power plug has been pulled.
Depressor tool
1. Insert the depressor tool 3in an upper small opening at the front of
the pin header 1.
2. Insert the cable into the opening 2underneath the inserted depres-
sor tool.
3. Pull out the depressor tool.
2
3
1
Fig.9: Depressor tool
Prerequisites
Tools
Electronic defect
Connecting cables to the multi-pin connector of a switched on device
causes a short circuit.
Turn o the device before connecting cables.
Pull the power plug.
Electronic defect
Electrostatic discharge can destroy the electronics.
Wear a protective bracelet against electrostatic discharge and ground.
Procedure

AZURA® Pump P 4.2S Instructions V6873
14 Unpacking and setup
Check whether the cables are tightly attached. Press the pin header onto
the plug. Finish the installation. Afterwards take the device into operation.
5.7 Connecting the device to a computer
Note: HPLC devices from KNAUER only work with IP addresses, which
have been assigned by IPv4. IPv6 is not supported.
This chapter describes how to set up a chromatography system in a local
area network (LAN) and how a network administrator can integrate this
LAN into your company network. The description applies to the operating
system Windows® and all conventional routers.
To set up a LAN, we recommend to use a router. That means the following
steps are required:
1. On the computer, go to the control panel and check the LAN proper-
ties.
2. Hook up the router to the devices and the computer.
3. Set up the router for the computer network.
4. Install the chromatography software.
5. Switch on the device and run the chromatography software.
5.7.1 Configuring the LAN settings
The LAN uses only one server (which is normally the router) from that the
devices automatically receive their IP address.
In Windows®, power saving, hibernation, standby, and screen saver
have to be deactivated.
In case you use an USB-to-COM box, the option "Allow the computer
to turn o this device to save power" in the Device Manager has to be
deactivated for all USB hosts.
Applies to all LAN devices: Disable the setting for the network adapter
in Device Manager: “Allow the computer to turn o this device to save
power”.
1. In Windows: Open Network and Sharing Center.
2. Double-click on LAN Connection.
3. Click on the button Properties.
4. Select Internet Protocol version 4 (TCP/IPv4).
5. Click on the button Properties.
6. Check the settings in the tab General. The correct settings for the
DHCP client are:
a) Obtain an IP address automatically
b) Obtain DNS server address automatically
7. Click on the button OK.
5.7.2 Connect devices to the LAN
A router 3has several LAN ports 2and one WAN port 4that can be
used to integrate the LAN into a wide area network (WAN), e.g. a com-
pany network or the Internet. In contrast, the LAN ports serve to set up a
network from devices 1and a computer 5.
To avoid interference, we recommend operating the chromatography
system separately from the company network.
Next steps
Process
Prerequisites
Procedure

AZURA® Pump P 4.2S Instructions V6873
15Unpacking and setup
1 2 3 4 5
Fig.10: Connecting the devices to the LAN
You will find patch cables for each device and the router in the acces-
sories kit. To connect the router to a WAN, an additional patch cable is
required, which is not supplied within the scope of delivery.
The computer has been switched o.
There is a patch cable for each device and the computer.
1. Use the patch cable to connect the router and the computer. Repeat
this step to connect all devices.
2. Use the power supply to connect the router to the mains power
system.
5.7.3 Configuring the router
The router is preset at the factory. For IP address, user name, and pass-
word information, refer to the router instruction:
www.knauer.net/en/Support/Library/PC-hardware.
1. To open the router configuration, start your Internet browser and enter
the IP address (not for all routers).
2. Enter user name and password.
3. Configure the router as DHCP server.
4. In the router configuration, check the IP address range and make
changes if necessary.
Note: If the IP address range has been changed, it is necessary to note
this information down on the router.
Once the router has assigned IP addresses to all devices, the chromato-
graphy software can be used to remotely control the system.
5.7.4 Integrating the LAN into the company network
A network administrator can integrate the LAN into your company net-
work. In this case you use the WAN port of the router.
There is a patch cable for the connection.
1. Check that the IP address range of the router and of the company
network do not overlap.
2. In case of an overlap, change the IP address range of the router.
3. Use the patch cable to connect the router WAN port to the company
network.
4. Restart all devices, including the computer.
Prerequisites
Procedure
Procedure
Result
Prerequisites
Procedure