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10 Problems and their removal

Operation manual mzr-2961, mzr-4661

Last update: April 2018

Technical data subject to change without prior notice!

37

Disturbance

Cause

Solution

the manufacturer for cleansing.

Noise of beveling

The operation of the pump should
immediately be stopped! Return the pump to
the manufacturer for cleansing and repair.

The motor surface or the motor interior are
too hot.

High temperature indicator in the drive is on.
The motor has been shut down by the
thermistor. Return the pump to the
manufacturer.

18 The pump is noisy.

Wear out of the pump or defective
components.

Do not continue to operate the pump, return
it to the manufacturer for maintenance.

19 Overcurrent

Particles in the delivered liquid

Rinse the pump.

The pump operates with difficulty.

Dosing needle is damaged. Needle should be
cleansed, flushed or exchanged.

Tubing on the delivery side, dosing needle or
the non-return valve is blocked. Cleanse,
flush or exchange the components.

Deposits inside the pump.

Flush the pump. If necessary return the pump
to the manufacturer.

20 Undervoltage

Voltage supply < 12 VDC

Check the power supply 24 VDC

21 Overvoltage

Voltage supply > 28 VDC

Check the power supply 24 VDC. The drive
control unit may be damaged. Return the
pump to the manufacturer.

table 12

Problem shooting

!

If a disturbance that has not been mentioned in the above list, or that makes

the use of the micro annular gear pump unsafe appears, please stop the

operation of the pump without delay and contact HNP Mikrosysteme (see

chapter 11). If needed return the pump to the manufacturer for checkup.

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Содержание mzr-2961

Страница 1: ...ular gear pumps mzr 2961 mzr 4661 HNP Mikrosysteme GmbH Bleicherufer 25 D 19053 Schwerin Germany Telephone 49 385 52190 301 Telefax 49 385 52190 333 E mail info hnp mikrosysteme de http www hnp mikrosysteme de Last update April 2018 ...

Страница 2: ...e copied reproduced or processed This manual has been prepared with care HNP Mikrosysteme does assume no liability for any errors in this manual and resulting consequences Likewise no liability is assumed direct or subsequent damages arising from an incorrect use of the devices While using micro annular gear pumps the relevant standards regarding the specifications of this manual have to be follow...

Страница 3: ...are part manufacture 8 2 7 Improper modes of operation 9 2 8 General safety instructions 9 3 Transport and intermediate storage 10 3 1 Shipment of the pumps and protection measures 10 3 2 Transport 10 3 3 Intermediate storage 10 4 Description of the pump 11 4 1 Principle of the Micro annular gear pumps 11 4 2 Micro annular gear pump 13 4 3 Materials and liquids 14 4 4 Liquid supply 14 5 Optional m...

Страница 4: ...nd their removal 35 11 EC Directive 38 11 1 Electromagnetic Compatibility EMC 39 11 1 1 EMC Directive and Standards 39 11 1 2 Information on use as intended 40 12 Declarations of conformity 42 13 Service maintenance and warranty 47 14 Contact person 48 15 Legal information 49 16 Safety information for the return of already employed micro annular gear pumps and components 50 16 1 General informatio...

Страница 5: ...oject concerning handling of corrosive liquids should be previously discussed with the pump manufacturer The micro annular gear pumps should not be used for invasive medical applications in which the liquid having had contact with the pump is re introduced to the body Micro annular gear pumps exclusively are provided for use in the industrial area A private use is excluded The micro annular gear p...

Страница 6: ...xible tubes with internal diameter 2 mm are stuck figure 2 shows the version with a manifold assembly which is screwed and to a preadapted support 10 150 0 9 6 9 1 4 61 6 68 5 2 22 Lage der Abflachungen zu den Fluidanschlüssen unbestimmt 2 0 05 4 0 05 Lage Anschlusskabel unbestimmt Flachbandkabel AWG 26 Stecker nach DIN 41651 figure 1 Measurement in configuration slip fittings OD 2 mm unverlierbar...

Страница 7: ... 10 15 20 0 1 2 3 Differential pressure bar Flow rate ml min 6000 5000 4000 3000 2000 1000 Speed rpm Viscosity 16 mPas Liquid oil figure 3 Flow charts mzr 2961 Liquid water Liquid oil 0 10 20 30 40 50 60 70 80 0 1 2 3 4 5 Differential pressure bar Flow rate ml min 6000 5000 4000 3000 2000 1000 Speed rpm Viscosity 1 mPas Liquid water 0 10 20 30 40 50 60 70 80 0 1 2 3 4 5 Differential pressure bar F...

Страница 8: ... Min dosage volume 5 µl 10 µl Max system pressure 6 bar 87 psi inlet pressure differential pressure 6 bar 87 psi inlet pressure differential pressure Differential pressure range 0 3 bar 43 5 psi 0 5 bar 72 5 psi Viscosity 0 3 10 mPas Liquid temperature 15 60 C Ambient temperature 15 60 C Storage temperature 5 40 C Pulsation of flow theoretical value 6 NPSHR value 0 5 m Values are specified for oil...

Страница 9: ...ata of capacity Max voltage 24 V Max permanent torque 5 mNm output power 8 9 W No Load speed by 10 V 2500 rpm max permanent current 300 mA Terminal resistor 12 4 Ω Rotor inductance 0 440 mH RPM speed range 400 6000 rpm Temperature range 15 60 C table 2 Technical data of the motor 1 2 6 5 figure 5 Pin configuration of the motor cable Pin Description Value 1 Up 24 V DC 5 28 2 Umot 24 V DC 6 30 3 GND...

Страница 10: ...n Operation manual mzr 2961 mzr 4661 6 Technical data subject to change without prior notice Last update April 2018 While connecting the DC voltage pay attention to the correct polarity otherwise electronics may be damaged ...

Страница 11: ... as the indication of liquid input and output should be followed and kept in a clearly readable condition 2 2 Staff qualification and training The staff operating servicing inspecting and assembling the pumps must evidence the appropriate qualification for these works Areas of responsibility and competence as well as monitoring of the staff must be precisely regulated by the operator in charge If ...

Страница 12: ...se insure that the totality of the liquid supply system such as tubes hoses filters etc are free from dust or dirt particles Impurities such as metal swarf plastic or glass splinters may impair or damage the pump leading to its failure Warning Please operate the pump with a filter featuring 10 µm or smaller pores It will protect the pump 2 5 Safety instructions for maintenance check and assembly o...

Страница 13: ...n of falling pressure In order to avoid this unwanted movement please integrate non return valves see accessories This applies also to elevated liquid containers Protect the micro annular gear pump and the electric drive against strokes and shocks Under normal working conditions the shaft sealing rings integrated in the pump prevent the liquid from leaking out of the device The micro annual gear p...

Страница 14: ...rating into the device 3 2 Transport In order to avoid any transport related damage the package must be protected against shocks HNP Mikrosysteme guarantees that all goods leave the factory in the best condition Any noticed damage should be reported to the concerned forwarding agent authorized dealer or to HNP Mikrosysteme as manufacturer 3 3 Intermediate storage Following points concerning pump s...

Страница 15: ...sly decrease on the delivery side of the pump see figure 7 A homogenous flow is generated between the kidney like inlet and outlet internal rotor external rotor delivery side induction side inlet outlet figure 6 Principle of the micro annular gear pump figure 7 Operating principle of the micro annular gear pump Reciprocating and rotary pumps have a direct allocation to the fed amount of the displa...

Страница 16: ...uid has an important influence on the volumetric efficiency The volumetric efficiency increases with higher viscosity according to the smaller disengagement through the gaps of the pump Cavitation is an effect which can reduce the volumetric efficiency from in a specific ceiling speed With increasing viscosity e g 500 mPas this ceiling speed is lower This is the result of the media specified under...

Страница 17: ...r source of 24 V with a power rating of 2 5 A figure 9 Measures of the micro annular gear pump The mzr micro annular gear pump consists of the micro annular gear pump head the coupling unit and an actuator The pump head is equipped with two fluidic connector bore holes and a shaft for actuation of the rotors The coupling unit serves as connection between the pump head and the actuator as well as t...

Страница 18: ...cro annular gear pump head is equipped with two front slip fittings with OD 2 mm for connection of flexible tubes with the ID 2 mm such as 1 8 hose The suction side is indicated with the letter S the delivery side with the letter D An arrow in the front of the pump indicates the operating direction of the shaft In order to prevent foreign bodies from penetrating into the pump the liquid inlet and ...

Страница 19: ...ump Operation manual mzr 2961 mzr 4661 Last update April 2018 Technical data subject to change without prior notice 15 figure 10 Drawing manifold assembly M2 1 figure with mzr 4661 figure 11 Dimensions configuration version ...

Страница 20: ...allow for special dosage tasks which could otherwise not be accomplished with a standard pump version The modules may be combined with each other and with almost all available pump heads and motor versions By pass module for the delivery of minimal constant flow rates down to the nanoliter range see chapter 5 1 Due to specific requirements of each application the configuration of a given pump vers...

Страница 21: ...n order to determine the lower flow rate limit both capillaries need to be carefully configured It is possible to obtain flow rates between 1 and 10 000 µl h The by pass module assures dosage of minimal amounts of liquids at a very high constancy of flow and a pressure resistant flow rate figure 12 The by pass module example with mzr 2521 Performance parameters Operating flow rate range 1 10 000 µ...

Страница 22: ...te pressures reaching beyond the required pressure level Depending on the difference of pressures between the delivery side of the pump and the system a side current capillary is designed and precisely adjusted so that the desired minimal flow rate is obtained at its outlet The flow charts of the by pass module are verified before the shipment Flow chart examples Flow rate range 100 9000 µl h Flow...

Страница 23: ...osysteme Do not put the pump into operation without prior approval 6 2 Mounting of the micro annular gear pump The fixing of the micro annular gear pump can be vertical or horizontal To prevent possible entry of liquid mounted the level of the motor be above the level of the pump head Warning Install the pump in such a way that in case of failure no liquid can enter to the motor or controller If t...

Страница 24: ...cutter If metal pipes are used an intensive cleaning procedure is necessary After machining the pipes have to be cleaned and flushed very carefully Smallest swarfs within the fluidic system can cause failure of the micro annular gear pump 2 Connect the fittings with the tubing respectively the pipe work according to the attached installation instruction Please note that the correct assembly of tub...

Страница 25: ... or pressurization of the delivered liquid In case no suitable filter for the given high viscosity liquid can be found it is possible to use a filter with slightly larger pore size Prior discussion with HNP Mikrosysteme is here recommended A filter with larger pores is still better than no filter at all As an alternative solution an already filtered liquid may be used Warning Because filters have ...

Страница 26: ...nge the speed setting via jumpers Direction input Frequency output FG on status LED to indicate the operating status normal fault or optional output error on existing screw Internal reverse polarity protection In order to operate the pump a supplementary source of 24 VDC will be required The ampacity of the voltage source should amount to around 2 A for the micro annular pumps mzr 2961 and mzr 466...

Страница 27: ...Bit AD converter Voltage range 0 10 V Potentiometer 10 kΩ Pegel 0 10 V Sense of rotation input DIR low 0 0 5 or GND counterclockwise high 3 UB or open clockwise V Input resistance Rin 10 kΩ Digital output FG Output frequency max 50 mA high 16 UB Number of pulses 6 lines per revolution Weight with housing 35 g Values limited in the control unit with corresponding software table 6 General technical ...

Страница 28: ...tance overvoltage Analog nominal signal Potentiometer internal operating mode Potentiometer external operating mode 0 10 V operating mode connected with jumper pins P3 and P2 connected with the jumper pins P2 and P1 connected with the jumper pins P2 and P1 K1 K2 Voltage supply 10 30 VDC GND DIR An_in SGND 10 V out FG 24 VDC P1 10 κΩ K4 K5 K6 GND DIR An_in SGND 10 V out FG 24 VDC P1 K4 K5 Sollwert ...

Страница 29: ...ion manual mzr 2961 mzr 4661 Last update April 2018 Technical data subject to change without prior notice 25 Digital output Speed signal output Digital output 6 lines per revolution K7 FG GND DIR An_in SGND 10 V out FG 24 VDC P1 ...

Страница 30: ...o annular gear pump Switch on the voltage supply The micro annular gear pump can now be put into operation by turning the potentiometer knob by sending a nominal external voltage signal Start the filling in of the pump at low or middle speed 1000 3000 rpm Warning Avoid dry operation of the pump over a longer time The pump should be filled in before it is put into operation 7 3 Flushing procedure a...

Страница 31: ...ular gear pump Warning Please make sure that the pump components and particularly O rings and sealing are resistant to the employed flushing liquid see table 10 Warning The flushing liquid solvent and the recommended duration of the flushing procedure depend on the delivered liquid see table 9 The indicated flushing liquids are simple recommendations and should therefore be checked by the user as ...

Страница 32: ...Not specified for further information please contact HNP Mikrosysteme table 9 Selection of the flushing liquid solvent and the duration of the flushing cycle depending on the delivered liquid Warning Please make sure that the pump components and particularly O rings and sealing are resistant to the employed flushing liquid see table 10 Shaft sealing O ring material Flushing liquid PTFE Teflon grap...

Страница 33: ... the following steps should be followed Flush the pump with a filtered and particle free flushing liquid solvent see chapter 7 3 After the flushing procedure decrease speed of the pump to 0 rpm Fill the pump with a suitable conservation liquid see chapter 7 4 1 Remove the pump from the system see chapter 7 4 2 By proceeding as shown in the diagram see figure 16 you may prepare the pump for a longe...

Страница 34: ...election of flushing liquid FL Drain the pump Right flushing liquid Is the pump resistant Selection of conservation liquid CL CL adequate Is the CL compatible with pump Is the CL compatible with the last FL Nature of the CL Let the gas through the pump Fill in CL Desinstall the pump Close the liquid ports End of conservation procedure New operation after the conservation procedure liquid yes no no...

Страница 35: ...liquid table 10 The indicated conservation liquids are simple recommendations and should therefore be checked by the user as to their compatibility and suitability The figure 17 presents the diagram of conservation liquid selection Remark This diagram is repeated as a part of the figure 16 Shutdown procedure After the cleansing procedure the pump should be filled with a suitable conservation agent...

Страница 36: ...rties Warning may resinate or deteriorate with time nitrogen o is not a solvent may leave deposits after drying out air compressed air is not a solvent may leave deposits after drying out Legend good suitable o satisfactory bad inadequate table 11 Selection of the conservation liquid In order to prevent dust particles and foreign bodies from penetrating into the pump or the conservation liquid fro...

Страница 37: ...o annular gear pump to the manufacturer For the return of a micro annular gear pump and components that have already been employed please follow the instructions drain any remaining rests of the delivered liquid from the pump flush the pump with an adapted solvent remove the filter elements from integrated or loosely delivered filters protect all openings against dust with the delivered protective...

Страница 38: ... and non return valves that are best adapted to your micro annular gear pump We will eagerly share our long date experience as far as component selection is concerned 9 Non liability clause HNP Mikrosysteme GmbH shall not be liable for damages resulting form the non respect of instructions comprised in this operating manual It remains at the responsibility of the user to conform to all laws rules ...

Страница 39: ...side are not tight Please check the intake connection and the tubing Air bubbles in the system tubes valves If the viscosity of the liquid is too high apply pressure on the suction side Check the pressure exerted on the primary liquid tank An external non return valve does not open Check the non return valves Submit the non return valve to a higher pressure so that the pump may fill in 4 The motor...

Страница 40: ...ridge If needed return the pump to the manufacturer 10 Dosage volume decreases with time Polluted filter Exchange the filter Deposits in the pump Flush the pump or return it to the manufacturer for dismantling and cleaning The pump is worn after a long operating period or after use with abrasive liquids New definition of the calibration factor of the pump by modifying the pump characteristics grap...

Страница 41: ... Particles in the delivered liquid Rinse the pump The pump operates with difficulty Dosing needle is damaged Needle should be cleansed flushed or exchanged Tubing on the delivery side dosing needle or the non return valve is blocked Cleanse flush or exchange the components Deposits inside the pump Flush the pump If necessary return the pump to the manufacturer 20 Undervoltage Voltage supply 12 VDC...

Страница 42: ...d by this Directive However it may be a part of a machine or installation EMC Directive 2014 30 EU The Directive on Electromagnetic Compatibility EMC applies to all electronic and electrical devices installations and systems Consequently the Motion Controller of the micro annular gear pump is covered by the EMC Directive RoHS Directive 2011 65 EU To our knowledge our products delivered to you do n...

Страница 43: ...agnetic disturbances in that environment 11 1 1 EMC Directive and Standards Comformity was proven by proof of compliance with the following harmonized standards by the company Dr Fritz Faulhaber EN 61000 6 4 10 01 Generic standards Emission standard for industrial environments EN 61000 6 2 10 01 Generic standards Immunity for industrial environments These standards prescribe certain standardised t...

Страница 44: ...or micro annular gear pumps note the following Requirement for the intended operation is the operation according to the technical data and the manual Restrictions If the micro annular gear pumps are used at home in business or in commerce or in small businesses appropriate measures must be taken to ensure that emitted interferences are below the permitted limit a values ...

Страница 45: ...11 EC Directive Operation manual mzr 2961 mzr 4661 Last update April 2018 Technical data subject to change without prior notice 41 ...

Страница 46: ... prior notice Last update April 2018 12 Declarations of conformity The delivered micro annular gear pump falls within scope of the following EC directives Machinery Directive 2006 42 EU EMC Directive 2014 30 EU You may request the declarations of conformity for the micro annular gear pumps from us separately ...

Страница 47: ...ing safety and health requirements We confirm the conformity of the product described above to the following standards in terms of applied directives Machinery Directive 2006 42 EU Applied standards are particularly DIN EN 809 DIN EN 60204 1 DIN EN 294 DIN EN ISO 12100 part 1 DIN EN 953 DIN EN ISO 12100 part 2 UVV This statement does not warrant any characteristics in terms of product liability Pl...

Страница 48: ......

Страница 49: ... regulations of the EC guidelines regarding safety and health requirements We confirm the conformity of the product described above to the following standards in terms of applied directives EMC Directive 2014 30 EU Applied standards are particularly EN 61000 6 4 10 01 Generic standards Emission standard for industrial environments EN 61000 6 2 10 01 Generic standards Immunity for industrial enviro...

Страница 50: ......

Страница 51: ...n order to prevent a strong wearout of the pump the pump should be shut down properly after every application as described in the chapter 7 3 A supplementary flushing procedure with a neutral flushing liquid see chapter 7 3 also slows down the wearout process of the pump It is not allowed to open or dismantle the micro annular gear pumps The warranty extincts with the expiry of the legal warranty ...

Страница 52: ...ut prior notice Last update April 2018 14 Contact person Development and application assistance service and accessories Mr Sven Reimann Phone 49 0 385 52190 349 Service and maintenance Mr Steffen Edler Phone 49 0 385 52190 307 Drive and control technology Mr Lutz Nowotka Phone 49 0 385 52190 346 ...

Страница 53: ...STELLOY is a registered trademark of Haynes International Inc Aflas is a registered trademark of ASAHI Glass Ltd Microsoft Windows are registered trademarks of Microsoft Corporation in the USA and in the other countries Cavro is a registered trademark of Tecan Systems Inc Other product names or descriptions not mentioned above are possibly registered trademarks of related companies Patents Micro a...

Страница 54: ...pecified in the corresponding declaration form 16 2 Declaration of media in contact with the micro annular gear pump The staff performing the repair or maintenance works must be informed about the condition of the micro annular gear pump before starting any work on the device The Declaration of media in contact with the micro annular gear pump should be filled in for this purpose The declaration s...

Страница 55: ...owing web site www If a pump which had contact with dangerous substances could not be properly cleansed prior to shipment we reserve the right to entrust a specialized company with cleansing of the device The return of the pump in original packing is advisable It is necessary in order to protect the employees and delivery staff Nature of media contact explosive toxic toxic byproducts carcinogenic ...

Страница 56: ...18 Appendix Operating manual mzr 2961 mzr 4661 52 Technical data subject to change without prior notice Last update April 2018 18 Appendix Layouts ...

Страница 57: ...ichert am 01 1 0 14 08 08 03 Dimensions are millimeters next to inches AMZ D 19053 Schwerin 01 06 046 D001 02 DIN ISO 2768 m H MST DIN A3 micro annular gear pump dimensioned drawing SHEET 2 1 D drawn REV ISSUE DATE LANG APPROVED CHECKED DRAWING NUMBER KIND OF DOCUMENT STATE OF DOCUMENT DESCRIPTION HNP Mikrosysteme GmbH Bleicherufer 25 en Position of this flats not defined mzr 2961 canned motor 223...

Страница 58: ...ST D 19053 Schwerin 1 DIN ISO 2768 m H D approved REV ISSUE DATE LANG APPROVED CHECKED MATERIAL KIND OF DOCUMENT STATE OF DOCUMENT DESCRIPTION dimensioned drawing SHEET 2 1 DRAWING NUMBER DRAWN HNP Mikrosysteme GmbH Bleicherufer 25 en 1 1 captive cylinder head screw M3x12 DIN 912 with fixing O ring 2x1 3 FPM 0 020 0 079 0 5 2 2 0 528 0 008 0 004 0 1 0 2 1 102 28 0 866 2 426 0 039 22 0 394 19 685 0...

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