HNP Mikrosysteme mzr-7208, mzr-7208X1 Operating Manual

Operating manual for micro annular gear pump

mzr-7208, mzr-7208X1

HNP Mikrosysteme GmbH
Bleicherufer 25
D-19053 Schwerin
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
http://www.hnp-mikrosysteme.de

Last update: August 2019

Impressum

Original instructions

Copyright

HNP Mikrosysteme GmbH
Bleicherufer 25
D-19053 Schwerin

All rights, including translation, reserved.

Without prior explicit written permission of HNP Mikrosysteme GmbH no part
of this manual may be, 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 followed.

Subject to change without notice.

Contents Operating manual mzr-7208, mzr-7208X1

Contents

1 General Information 1

1.1 Use 1

1.2 Pump Model Designation 2

1.3 Technical data of the micro annular gear pump 3

1.4 Measurements and flow charts 4

1.5 Technical data of the standard motor 5

1.6 Technical data of the optional motor with analog hall
sensors (option) 8

2 Safety 10

2.1 Safety symbols in this operating manual 10

2.2 Staff qualification and training 10

2.3 Safety-conscious work 10

2.4 Safety instructions for the operator 11

2.5 Safety instructions for maintenance, check and
assembly of the pump 11

2.6 Unauthorized pump conversions and spare part
manufacture 11

2.7 Improper modes of operation 12

2.8 General safety instructions 12

3 Transport and intermediate storage 13

3.1 Shipment of the pumps and protection measures 13

3.2 Transport 13

3.3 Intermediate storage 13

4 Description 14

4.1 Operating principle of the micro annular gear pump 14

4.2 Construction materials 16

4.3 Liquid supply 16

5 Optional modules 17

5.1 Fluidic seal module 18

5.2 Heat insulation module 21

5.3 Heating modules 22

5.3.1 Electric heating module 22

5.3.2 Fluidic heating- and cooling module 23

5.4 Heating device „JETmicro“ 24

5.5 Gas-tight seal module

25

6 System integration 26

6.1 Check before the first assembly 26

6.2 Mounting of the micro annular gear pump 26

6.3 Assembly of the fluid connection fittings for
mzr-7208 27

6.4 Filter selection and use 30

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Contents Operating manual mzr-7208, mzr-7208X1

7 Motion Controller 31

7.1 Operation with Controller S-HV 31

7.2 Operation with Controller S-HP-E 34

7.3 Operation with Controller S-BL (Option) 39

7.4 Operation with Controller S-HP (Option) 42

8 Start Up / Shut Down 45

8.1 Preparing for operation 45

8.2 Startup of the micro annular gear pump 45

8.3 Flushing procedure after use 45

8.4 Shutdown of the micro annular gear pump 47

8.4.1 Conservation 49

8.4.2 Dismantling of the system 50

8.5 Trouble shooting 51

8.6 Return of the micro annular gear pump to the
manufacturer 51

9 Software »Composer« and »Elmo Studio«

(Option for S-HP-E) 52

9.1 Use application of CD 52

9.2 Creating a new application 53

9.3 Adjustment of controller parameter 56

9.4 Operation of micro annular gear pump with RS-232
interface 60

9.5 Operation of micro annular gear pump as stand
alone application 61

9.6 Problems and their removal with controller S-HP-E 62

10 »Motion Manager« software 63

10.1 Direct drive control 63

10.2 Programming of the control 65

10.2.1 Transfer of a mcl file to the drive 65

11 Software »EPOS« (Option) 68

12 Accessories for microfluidic systems 70

13 Non-liability clause 70

14 Problems and their removal 71

15 EC Directive 73

15.1 Electromagnetic Compatibility (EMC) 74

15.1.1 EMC Directive and Standards 74

15.1.2 Information on use as intended 75

16 Declarations of conformity 76

17 Service, maintenance and warranty. 81

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Contents Operating manual mzr-7208, mzr-7208X1

18 Contact persons 82

19 Legal information 83

20 Safety information for the return of already

employed micro annular gear pumps and
components 84

20.1 General information 84

20.2 Declaration of liquids in contact with the micro
annular gear pump 84

20.3 Shipment 84

21 Declaration of media in contact with the micro

annular gear pump and its components 85

22 Supplement 86

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1 General Information Operation manual mzr-7208, mzr-7208X1

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1 General Information

Please read the »manual for micro annular gear pump« carefully before initial
operation of the pump. The manual for the controller have to be seen as part
of the pump manual. For missing manuals please call your distributor or HNP
Mikrosysteme directly.

We like to draw your attention especially to the following safety instructions.

1.1 Use

The micro annular gear pumps described in this manual are suitable for
continuous delivery and discrete dosage of water, watery solutions, solvents,
methanol, oils, lubricating liquids, paints and varnishes as well as many other
liquids.

If you intend to treat any aggressive, poisonous, or radioactive liquids, you
must conform to safety measures as according to the regulations in force. Any
project concerning handling of corrosive liquids should be previously discussed
with the pump manufacturer.

The micro annular gear pumps must not be used for invasive medical
applications, in which the liquid having had contact with the pump is re­introduced 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 pumps must not be used in aircrafts and spacecrafts or
other vehicles without prior consent of the manufacturer.

Data concerning resistance of the pumps to the manipulated liquids have been
elaborated according to the best of HNPM's knowledge. However, operating
parameters varying from one application case to another, no warranty for this
information can be given.

Information given in this manual does not release the customer from the
personal obligation to check the integrity, correct choice and suitability of the
pump for the intended use. The use of the micro annular gear pumps should
be conform with technical norms and regulations in force.

If you wish to receive more information than comprised in this operating
manual please contact directly HNP Mikrosysteme.

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1 General Information Operation manual mzr-7208, mzr-7208X1

1.2 Pump Model Designation

This manual is valid for the micro annular gear pump mzr-7208, manufactured
after 2001 by HNP Mikrosysteme GmbH, Bleicherufer 25, 19053 Schwerin,
Germany.

The date of release of the present manual figures on the cover.

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1 General Information Operation manual mzr-7208, mzr-7208X1

Material case

stainless steel 1.4435 (316L)

Viscosity range

0,3 – 50.000 mPas

1.3 Technical data of the micro annular gear pump

The following table shows the technical data of the micro annular gear pump
head

mzr-7208.

Constructive Specifications

Displacement volume 48 µl
Measurements (L x W x H) 205 x 60 x 80 mm
Weight approx. 1.5 kg
Internal volume 525 µl

Material rotor tungsten carbide Ni-based
Material bearing tungsten carbide Ni-based
Shaft seal graphite reinforced Teflon
Static seals FPM (Viton
Fluid connections 1/8" NPT or M10x1 internal thread, lateral

Technical data

Flow rate 4.8 ... 288 ml/min ( = 17.2 l/h)
Smallest dosage volume 5 µl
Operating pressure range 0 – 30 bar (Viskosity 1 mPas)
0 – 120 bar mzr-7208X1 (Viskosity 16 mPas)

0 – 150 bar mzr-7208 (Viskosity 16 mPas)

Max. inlet pressure 10 bar

®

), optional: EPDM, FFPM

®

, 316L

Precision < 1 %
Pulsation 6 % (theoretical)
Liquid temperature -5 … +60 °C (150 °C*)
Ambient temperature -5 … +60 °C
Store temperature range -5 … +40 °C

caption: * Differing specifications on request

table 1 Technical data of the micro annular gear pump head mzr-7208

Warning

The material properties of a liquid (e.g. viscosity, lubricating property, particle
content, corrosiveness) impacts the technical data and the lifetime of pumps.
Under appropriate conditions the characteristic values may be increased or
decreased.

Warning

If you intend to operate the pump out of the range of the above given
specification, please consult the manufacturer. Modifications may be necessary
to ensure successful operation. Otherwise the pump or the system may be
damaged seriously.

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1 General Information Operation manual mzr-7208, mzr-7208X1

position ±5°

1/8" NPT fluid
connector

mounting
4 x Ø 4,3 (55x45)

0

50

100

150

200

250

300

0

10 20 30

Differential pressure [bar]

Flow rate [ml/min]

6000
5000
4000
3000
2000
1000

Spee d [rpm]

Viscosity 1 mPa s

Liquid wa ter

0

50

100

150

200

250

300

0 20 40 60 80

Differential pressure [bar]

Flow rate [ml/min]

6000
5000
4000
3000
2000
1000

08

Spee d [rpm]

Viscosity 16 mPa s

Liquid oil

1.4 Measurements and flow charts

figure 1 Measures of the micro annular gear pump mzr-7208

Liquid water Liquid oil

figure 2 Flow charts mzr-7208

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1 General Information Operation manual mzr-7208, mzr-7208X1

Protective class

IP54

Operating temperature range

0 ... +40°C

1.5 Technical data of the standard motor

The micro annular gear pump

mzr-7208 is provided with an actuator equipped

with a 2 pole brushless DC-motor. The DC motor uses a high dynamic and is
recommended for programmed dosage operation of the micro annular gear
pump. With a control unit it is possible to manage lower RPM ranges down to
10 RPM. The accuracy of dosage can be achieved better than 0.5 %. The
connection of the motor to a control unit is simple.

Data of capacity

Nominal voltage 36 V DC
Stall torque 191 mNm
Max. continuous current 6,29 A
Starting current approx. 15 A
Assigned power rating 201 W
terminal inductance, phase-phase 143 µH
No load speed by 36 V 10450 rpm
operation range 10 ... 6.000 rpm
temperature range -30 ... +125 °C

Male socket for motor windings Binder Series 623

Female cable connector for motor
windings

Male socket for Encoder/Hall sensor
cable

Female cable connector for
Encoder/Hall sensor

Length connection cable 3 m

Type: 99-4637-20-06
Binder Series 623

Type: 99-4636-00-06
Lumberg

Typ: SFV 120
Binder Series 423

Type: 99-5130-15-12

lengthening up to max.
10 m

table 2 Technical data of the motor

Encoder

Max. voltage Vcc 5 VDC ± 10 %
Number of channels 3 (A, B, I)
Counts per revolution and channel 500
Output current max. 20 mA
Phase shift Φ (nominal) 90°

table 3 Technical data encoder

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1 General Information Operation manual mzr-7208, mzr-7208X1

pin

Description

2

n.c.

5

motor phase C

L

Hall sensor B

yellow

Encoder channel B

7

1 motor phase A

3 motor phase B
4 n.c.

6 n.c.

table 4 Pin configuration of the motor supply

pin Description

A Encoder voltage +5 V
B Encoder/Hall sensor GND
C Encoder channel A
D Encoder channel A neg.
E Encoder channel B
F Encoder channel B neg.
G Encoder channel I
H Encoder channel I neg.
J Hall sensor voltage +5 V
K Hall sensor A

M Hall sensor C

table 5 Pin configuration of the motor connector (Encoder/Hall)

wire colour Description

brown motor phase A
green motor phase B
white motor phase C

table 6 Motor cable 3 poles

wire colour Description pin Controller S-HV

red Encoder voltage +5 V 6
pink Hall sensors voltage +5 V 6

green Encoder channel A 8
blue Encoder/Hall sensor GND 9
brown Hall sensor A 10
grey Hall sensor B 11
white Hall sensor C 12
black screen earth screw

table 7 Encoder/Hall sensors cable 8 poles with controller S-HV

The encoder channel A and B are change together on the controller S-HV!

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1 General Information Operation manual mzr-7208, mzr-7208X1

wire colour

Description

pin Controller S-HP

blue

Encoder/Hall sensor GND

19

yellow

Encoder channel B

34

red/blue

Encoder channel I neg.

18

red Encoder voltage +5 V 36

green Encoder channel A 33
black Encoder channel A neg. 16

violet Encoder channel B neg. 17
grey/pink Encoder channel I 35

pink Hall sensors voltage +5 V 11
brown Hall sensor A 9
grey Hall sensor B 6
white Hall sensor C 10
green/yellow screen earth screw

table 8 Encoder/Hall sensors cable 12 poles with controller S-HP (option)

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1 General Information Operation manual mzr-7208, mzr-7208X1

Performance parameters

Max. continuous torque

191,9 mNm

Max. continuous current

6.29 A

Speed

1 – 6000 rpm

1.6 Technical data of the optional motor with analog hall sensors (option)

The micro annular gear pump mzr-7208X1 can alternatively be driven with a
brushless DC-motor with analog hall sensors. It is characterized by higher
dimensions and a wider speed range, which covers entirely the speed range of
the micro annular gear pump and shows a longer service life than a brushed
DC-motor.

Nominal voltage 36 V

Power 201 W
No-load speed at 9 V 10,450 rpm

Terminal resistance, phase-phase 0.445 Ω
Terminal inductance, phase-phase 143 µH

Ambient temperature -30 … +125 °C
Male socket for motor windings

Female cable connector for motor windings Binder Series 623

Male socket for Hall sensor cable Lumberg

Female cable connector for Hall sensor Binder Serie 423

Type of Hall effect sensor analog
Length connection cable 2 m

Binder Series 623
Type: 99-4637-20-06

Type: 99-4636-00-06

Type: SFV 50/6

Type: 99-5114-09-05

table 9 Technical data of the brushless DC-motor

pin Description

1 motor phase A
2 n.c.
3 motor phase B
4 n.c.
5 motor phase C
6 n.c.

table 10 Pin configuration of the motor supply

wire colour Description

brown motor phase A
green motor phase B
white motor phase C

table 11 Cable 3 poles of the motor supply

8 Technical data subject to change without prior notice! Last update: August 2019

1 General Information Operation manual mzr-7208, mzr-7208X1

pin

Description

A

B

C

D

E

B

Hall sensor sensor voltage +5 V

wire colour

Description

white

Hall sensor C

!

A Hall sensor GND

C Hall sensor A
D Hall sensor B
E Hall sensor C

table 12 Pin configuration of the hall sensor connector

blue Hall sensor GND
red Hall sensor voltage +5 V
brown Hall sensor A
grey Hall sensor B

table 13 Motor cable 3 poles

Function Connection Color

Hall sensor A green
Phase A brown
Hall sensor B blue
Phase B orange
Hall sensor C gray
Phase C yellow
Voltage +5 V red
Mass GND black

table 14 Pin configuration of the motor (cable version)

Please notice that the brushless DC motors must imperatively be operated with
an adapted control unit! The micro annular gear pump mzr-7208 can be
delivered for this purpose with optional control units S-BL.

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2 Safety Operation manual mzr-7208, mzr-7208X1

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2 Safety

Comply with the general safety instructions listed in the safety section as well
as with the special safety instructions listed under the other main sections. All
legal and corporate safety instructions have to be obeyed.

2.1 Safety symbols in this operating manual

Please comply not only with the general safety instructions listed below, but
also with specific safety instructions mentioned in the following chapters.

Non respect of the safety instructions marked with the following signs
represents danger to people:

Danger symbol High voltage symbol

Safety symbol according to

DIN 4844 – W9

Non compliance with the safety instructions marked with the following sign:

Warning

represents a risk of damage to the micro annular gear pump.

Operating instructions machined directly on the pump such 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 decision maker. If the personnel do not have the necessary knowledge,
they must be trained and instructed accordingly. If necessary, this can be
implemented by the supplier or the manufacturer on behalf of the operator.
Furthermore, the operator in charge must ensure that the content of the
present manual has been fully understood by the personnel.

Safety symbol according to

DIN 4844 – W8

2.3 Safety-conscious work

10 Technical data subject to change without prior notice! Last update: August 2019

The safety instructions listed in this operating manual, the applicable national
regulations for accident prevents and all internal working, operating and safety
regulations of the operator must be complied with.

2 Safety Operation manual mzr-7208, mzr-7208X1

2.4 Safety instructions for the operator

The surface temperature of the motor under full load may exceed 60°C. If
needed, this surface should be protected on site against contact in order to
avoid skin burns.

The drive should be protected against dust, water vapor condensation,
humidity, splash water, aggressive gases and liquids. Please provide for
adequate air ventilation and thus cooling of the motor.

The micro annular gear pumps mzr-2905, mzr-4605 and mzr-7205 must not be
used in areas exposed to explosion risks or in the proximity of inflammable
gases and vapors.

Possible leaks of dangerous liquids (for example from the shaft sealing) should
be guided away in a way not to represent any danger for the personnel and the
environment. The pump should be regularly checked for possible leakage. All
legal requirements in this matter should be followed.

The existing protections against contact for the moving parts of the pump (such
as for example the coupling) must not be removed during operation.

Take care that all risks resulting from the electric energy are excluded. (For
details please refer to the instructions provided by the authorities in charge or
your power supplier.)

Warning

Please insure, that the totality of the liquid supply accessories such as tubes,
hoses, filters etc. are free from dust or dirt particles. Impurities such as metal,
plastic or glass particles 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 of the pump

As a rule all maintenance work on the device should be performed when the
device is at a standstill. The shutdown procedure described in this manual must
be followed. Pumps delivering liquids hazardous to health must be
decontaminated. Immediately after the work had been completed all safety
equipment and protection measures should be applied.

Before starting the operation, please take into notice the instructions listed in
the chapter 6.

Warning

Should a malfunction of the pump occur, do not dismantle the pump on your
own but contact one of HNP Mikrosysteme's service staff for professional
assistance.

2.6 Unauthorized pump conversions and spare part manufacture

Conversions or modification to the device are only permitted with prior consent
of the manufacturer. Original spare parts and accessories authorized by the

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2 Safety Operation manual mzr-7208, mzr-7208X1

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manufacturer ensure safety. The use of other parts will annul the liability of the
pump manufacturer for any resulting consequences.

2.7 Improper modes of operation

The safety of operation of the delivered device can only be insured by correct
use, as described in chapter 1. The limit values given in this manual must not be
exceeded in any case.

2.8 General safety instructions

Please observe the following safety instructions

Warning

Warning

The pump may operate at high pressures. For this reason please use only the
delivered accessories and ensure that the employed fittings and tubing have
been prescribed and approved for these pressures.

In order to decrease the pressure, provide the system with a pressure control
valve directing the excess liquid to the storage tank or back to the suction side.
In the case of blockage of the pressure side the operating pressure can
multiply, this can lead to the damage of downstream components.

At a standstill, the liquid may flow through the pump in the direction of the
falling pressure. In order to avoid this unwanted movement, please integrate
non-return valves (see accessories).

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 annular
gear pumps are "technically leak-proof" however not "hermetically sealed"
which means it may occur that gases or liquids enter to or escape from the
pump.

The allowed operating parameters of the drive should not be exceeded. In
particular an incorrect polarity setting of the supply voltage may lead to
damage of the control unit.

Please insure, that the totality of the liquid supply accessories such as tubes,
hoses, filters etc. are free from dust or dirt particles. Impurities such as metal,
plastic or glass particles may impair or damage the pump leading to its failure.

Please operate the pump with a filter featuring 10 µm or smaller pores. It will
protect the pump.

12 Technical data subject to change without prior notice! Last update: August 2019

3 Transport and intermediate storage Operation manual mzr-7208, mzr-7208X1

3 Transport and intermediate storage

3.1 Shipment of the pumps and protection measures

The pumps leaving the factory are secured against corrosion and shocks. The
inlets and outlets of the pumps are protected with plastic plugs in order to
prevent any foreign bodies from penetrating into the device.

3.2 Transport

In order to avoid any damage related to transport, 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 storage should be observed:

− Necessary conservation procedure (see also chapter 8.4.1)

− The protective plugs must be left screwed in

− The pump should not be stored in humid places

− For storage temperature - refer to chapter 1.3 of the present manual

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4 Description Operation manual mzr-7208, mzr-7208X1

internal

rotor

external
rotor

delivery sideinduction side

inlet outlet

nVQ

g

Vol

⋅⋅=

η

4 Description

4.1 Operating principle of the micro annular gear pump

Micro annular gear pumps are positive displacement pumps. They contain two
rotors, bearing slightly eccentrically to each other; an externally toothed
internal rotor and an annular, internally toothed external rotor (see figure 3).
Due to their cycloid indenting, the rotors remain interlocked at any time,
forming during rotation a system of several sealed pumping chambers. As the
rotors revolve around their offset axis, the pumping chambers increase on the
induction (suction) side and simultaneously decrease on the delivery side of the
pump (see figure 4). A homogenous flow is generated between the kidney-like
inlet and outlet.

figure 3 Principle of the micro annular gear pump

figure 4 Operating principle of the micro annular gear pump

In the case of rotary displacement pumps, the delivered amount of liquid may
be easily calculated form the displacement volume V

of the pump and the

g

number of revolutions of the rotor n. Displacement volume stands for the
volume of liquid that is moved within one revolution of the rotor. This
relationship is illustrated by the following formula:

η

The volumetric efficiency

shows the relationship between the actual and

Vol

the theoretical flow rate. The existing differences result from internal
movement of the liquid during the operation.

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4 Description Operation manual mzr-7208, mzr-7208X1

3000

144

8,640

6000

288

17,280

Example: According to the formula mentioned above the mzr-7205 pump
featuring a displacement volume of 48 µl delivers at 3000 rpm and with a
volumetric efficiency of 100% 144 ml/min. The table 15 shows theoretical flow
rate values depending on speed expressed in ml/min and ml/h.

RPM Q [ml/min] Q [ml/h]
100 4.8 288
500 24 1,440
1000 48 2,880
2000 96 5,760

4000 192 11,520
5000 240 14,400

table 15 Theoretical flow rate of the micro annular gear pump mzr-7200

Pressure generated by the pump is determined by the configuration of the fluid
delivery system and results from both the hydraulic pressure and the hydraulic
resistance (tubing, narrow passes etc.). The volumetric efficiency of a pump
decreases when the differential pressure rises.

The viscosity of the manipulated liquid has an important impact on the
volumetric efficiency. The volumetric efficiency increases for higher viscosity
values because the internal leakage values go down.

Cavitation is an effect which, starting form a certain limit speed value, may
reduce the volumetric efficiency of a pump. In the case of highly viscous liquids
this limit speed value is lower. That happens because of the liquid-specific drop
of vapor pressure in the suction tube which leads to gas formation inside the
pump.

The particularity of the mzr-pumps is their highly precise construction, which
provides for both high operating pressures and a high dosage precision. The
gap between both rotors and between the rotors and the adjacent case parts
lies in the range of a few micrometers. This precision is the key factor enabling
to achieve volumetric efficiency close to 100%.

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4 Description Operation manual mzr-7208, mzr-7208X1

4.2 Construction materials

Wetted parts mzr-7208

Pump housing stainless steel 316 L (1.4404, 1.4435)
Rotors, shaft, bearing tungsten carbide Ni-based
Shaft sealing graphite-reinforced PTFE,

Static sealing

table 16 Construction materials of the wetted parts

316L spring
FKM,

optional: EPDM, FFKM

The resistance of the construction materials to the delivered liquids should be
verified by the operator for each individual application. Pumps handling non­lubricating liquids have shorter service lives.

4.3 Liquid supply

mzr-7208
Liquid inlet/outlet lateral 1/8" NPT internal thread

Tubing tube/hose OD 6 mm

front 1/8" NPT internal thread
optional: front connection M10 x 1.0

table 17 Liquid supply

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 outlet are protected with plastic plugs or screws. Please remove them
before you assembly the pump.

16 Technical data subject to change without prior notice! Last update: August 2019

5 Optional modules Operation manual mzr-7208, mzr-7208X1

5 Optional modules

The spectrum of applications of the high performance micro annular gear
pump series may be expanded by using different additional modules. The
modules allow for special applications, 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.

− Fluidic seal module prevents possible chemical reactions between the

delivered liquid and the surrounding environment

− Thermal insulation module extends the operating temperature range of the

pump by protecting the motor from overheating

− Heating module enables to regulate the temperature of the fluid-containing

parts of the pump

− Gas-tight sealed version: almost hermetically sealed pump, delivered as

standard with the high performance mzr-pumps

The configuration of a given pump version should in each case be discussed
with consideration to the specific requirements of the application. Additional
customized modules may be designed on demand.

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5 Optional modules Operation manual mzr-7208, mzr-7208X1

Fluidic seal module

liquid outlet
(delivery side)

sealing liquid
outlet

sealing liquid
inlet

liquid inlet
(suction side)

liquid supply tube

cartridge

5.1 Fluidic seal module

figure 5 Layout of the micro annular gear pump with the fluidic seal module, example of mzr-4605 (the layout on the

right: with the optional sealing liquid delivery set)

The module can be applied for liquids which tend to react or crystallize in
contact with gases such as oxygen or water. The use of a fluidic seal module
has to be confirmed with the pump manufacturer.

The function of the fluidic seal module

The shaft sealing employed in the high performance micro annular gear pump
is designed in a way that allows for the formation of a boundary layer in which
the delivered liquid comes into contact with the surrounding environment.
Small amounts of water vapor and oxygen may penetrate through the
protective boundary liquid film into the pump. The fluidic seal module enables
to control this influx - only a chosen and compatible liquid may come into
contact with the delivered liquid. The fluidic seal module prevents also the
inverse movement of the liquid - from the pump to the environment - which
could otherwise not be excluded.

With the fluidic seal module, a second sealing is added to the existing shaft
sealing. A cylindrical chamber with input and output openings displaced by
180° is located between the two seals (see figure 6). When the chamber is
filled with an appropriate sealing liquid, the manipulated liquid does not enter
into contact with water vapor and oxygen, but dilutes at a small ratio in the
sealing liquid. The dilution ratio depends on the existing pressure relations and
drops with increasing viscosity.

18 Technical data subject to change without prior notice! Last update: August 2019

5 Optional modules Operation manual mzr-7208, mzr-7208X1

fluidic
seal module

inlet seal liquid

outlet seal liquid

outlet
pump
liquid

inlet
pump
liquid

fluidic
chamber

gas tight module

additional
shaft seal

pump shaft shaft seal

outlet
pump
liquid

inlet
pump
liquid

Sealing liquid inlet

Sealing liquid outlet

!

!

figure 6 Pump head without the fluidic seal module Pump head with the fluidic seal module

Pump operation with the fluidic seal module

Only liquids compatible with the delivered liquid may be used as sealing liquids.
That means no liquids that could possibly react with the delivered liquid should
be employed. The composition of the sealing liquid should be determined by
the operator.

While filling up the fluidic seal chamber a particular attention should be paid to
proper venting of the chamber through the two openings featuring a
1/4 - 28 UNF thread. These openings are slightly shifted downwards and
upwards to facilitate the degassing of the sealing chamber (see figure 8). The
chamber is filled through the bottom opening. The sealing liquid should be
filled in so long, till it flows free of air bubbles out of the top opening. Now the
inlet should be screwed down.

figure 7 Sectional view of the fluidic seal module

A cartridge may be used to supply the sealing liquid to the chamber (see
figure 5). In special cases compressed air may be applied to the sealing liquid in
order to enhance the sealing function. The sealing chamber may be flushed.

Make sure that enough sealing liquid is supplied to the fluidic seal chamber in
order to prevent any penetration of air and water vapor to the module.

If the fluidic seal chamber is empty, the pump should immediately be stopped.
Dry operation may lead to shaft seal damage.

Last update: August 2019 Technical data subject to change without prior notice!. 19

5 Optional modules Operation manual mzr-7208, mzr-7208X1

!

In case the pump is not installed in the standard way (pump name read
horizontally), it is possible to shift the outlet and inlet openings of the pump.
However an appropriate supply of the sealing liquid should still be ensured and
all presence of air bubbles within the fluidic seal chamber should be avoided.

Use of the fluidic seal accessories

During assembly it is important to check if the ferrule is tightly attached to the
tube and that the tube is tightly screwed to the inlet of the fluidic chamber.

The fluidic seal set is mounted at the bottom inlet (see figure 7).

figure 8 Assembly of the fluidic seal accessories (standard version)

Liquid supply set in stainless steel version (as separate accessory)

Stainless steel liquid supply set is available on request. The use is the same as
with the standard version. The liquid supply is done by a glass syringe.

figure 9 Stainless steel set for the fluidic seal module

20 Technical data subject to change without prior notice! Last update: August 2019

5 Optional modules Operation manual mzr-7208, mzr-7208X1

5.2 Heat insulation module

The heat insulation module enables to deliver hot liquids up to temperatures of
150° C (302 °C). It comprises thermally insulating coupling components made
of plastic (PEEK) located between the pump and the drive. The drive should not
be exposed to overheating. For this reason the heat transfer from the pump to
the drive should be limited. An additional thermal barrier is provided by the
plastic motor housing. If the surrounding temperature rises, the pump is
working over a longer period or the manipulated liquid features a high
temperature, convection cooling of the motor is recommended.

Last update: August 2019 Technical data subject to change without prior notice!. 21

5 Optional modules Operation manual mzr-7208, mzr-7208X1

Connection cable for

electric band heater

Thermoelectric couple

Electric h eading

jacket

!

Diameter

28 mm

35 mm

5.3 Heating modules

5.3.1 Electric heating module

The electric heating module enables active heating of the pump head up to
150° C (302 °C) operating temperature. The heating module consists of a
heating jacket covering the pump head and a thermal element type J.
Depending on the pump size, the thermal element will be integrated on the
pump head in different ways. In order to adjust the temperature of the pump
head, an additional heat regulating device may be delivered.

figure 10 Micro annular gear pump mzr-2905 with the electric heating module

Before connecting the heating jacket and the thermal element to the power
supply, please observe the following technical data.

Themal element

Type MT-1.5
Thermal element Type J (Fe-CuNi IEC 584)

Temperature measuring range 0 to 400 °C
Diameter of the sensing device 1.5 mm
Material V4A (1.4541)

Heating jacket mzr-2905/4605 mzr-7205

Voltage 230 VAC 230 VAC
Power output 80 W 150 W

Width 25 mm 25 mm

alternativ:
type L (Fe-CuNi DIN

43710)

table 18 Technical data of the electric heating module

22 Technical data subject to change without prior notice! Last update: August 2019

5 Optional modules Operation manual mzr-7208, mzr-7208X1

heat transfer liquid
outlet

thermoelectric couple

double casing

liquid inlet
(suction side)

heat transfer liquid
inlet

liquid outlet
(delivery side)

!

!

Diameter of the sensing device

1.5 mm

Max. pressure

max. 20 bar

5.3.2 Fluidic heating- and cooling module

The fluidic heating and cooling module permits active heating or cooling of the
pump head in the operating temperature range from -20 °C (-4 °F) to a
maximum of 150 °C (302 °F). The module consists of a double casing covering
the pump head and a thermoelectric couple type L, whose mode of integration
varies depending on the pump size. Oil, water, superheated steam or adapted
cooling liquids may be used as thermal liquids. If you are not sure, which heat
transfer liquid is the best adapted in your case, HNP Mikrosysteme will help you
find the suitable one. The thermal liquid ports 2 x G1/8" are displaced by 45°.
The inlet for the heat transfer liquid is situated at the back (beveled) and the
outlet is in the front (see figure 11).

figure 11 Micro annular gear pump with integrated fluidic heating- and cooling module (example of mzr-2905)

This heating module is not certified for use in areas exposed to explosion
hazards!

Before connecting the liquid supply, please observe the following technical
data! The maximal pressure of the heat transfer liquid should not exceed
20 bar.

Thermal element

Type MT-1.5
Thermal element Type J (Fe-CuNi IEC 584)

Temperature measuring range 0 to 400 °C

Material 1.4541

Double jacket mzr-7208

Length 45.5 mm
Diameter 48.3 mm
Double jacket material stainless steel 316L
Inlet 2xG1/8“ (45° distance)
Operating temperature range -20 to 150 °C

alternativ:
type L (Fe-CuNi DIN 43710)

table 19 Technical data of the heating and cooling module

Last update: August 2019 Technical data subject to change without prior notice!. 23

Flow rate max. 0.5 l/min

5 Optional modules Operation manual mzr-7208, mzr-7208X1

No importance

Actual value

Nominal value

No importance

Heating on

Increase the temperature

No importance

Decrease the temperature

5.4 Heating device „

The heating device „JETmicro“ has been designed for use with the electric
heating module (see chapter 5.3.1).

Hand: Blinks during temperature set in the manual input mode

Ada: Ada display blinks during the automatic control adjustment

AL: Alarm display – not configured, no importance

JET

micro“

Actual value
display:

With

or the nominal temperature may be set.

Power supply

Shock-proof plug, 3 m long, 90-230 VAC

Electrical connection

10-pole bush insert, 16 A/250 V

Heating Sensor

L N + -

Zone 1 1 6 2 7
Zone 2 (Option) 4 9 5 10

table 20 Pin configuration of the heating device

= sensor failure

= sensor reverse polarity

24 Technical data subject to change without prior notice! Last update: August 2019

5 Optional modules Operation manual mzr-7208, mzr-7208X1

5.5 Gas-tight seal module

Under normal operating conditions the sealing rings employed in the
construction of the micro annular gear pump prevent the liquid from escaping
out of the pump. The micro annular gear pumps are "technically tight" but not
hermetically sealed, which means, it may occur that gases or liquids enter into
or escape from the pump. In the case of a gas-tight version, the pump housing
is sealed with supplementary rings.

Used together with the gas-tight seal module and the fluidic seal module the
pumps are almost perfectly hermetic.

Up from March 2006 all micro annular gear pump mzr-7208 are delivered in a
gas-tight version as a standard.

Last update: August 2019 Technical data subject to change without prior notice!. 25

6 System integration Operation manual mzr-7208, mzr-7208X1

!

!

!

6 System integration

6.1 Check before the first assembly

Inspect the pumps for potential damage during the shipment (see chapter 3.2).

Please check, if the right pump type has been delivered, as according to the
following points:

− Compatibility with the delivered liquid

− Viscosity range

− Pump performance (displacement volume, dosage volumes, operating

pressures)

− Operating temperature range

6.2 Mounting of the micro annular gear pump

If you notice any difference between the required and the delivered pump
type, please contact HNP Mikrosysteme. Do not put the pump into operation
without prior approval.

Mounting of the micro annular gear pump head to an actuator

Mounting of the micro annular gear pump head is done by stainless steel
M4 screws on the front side flange of the actuator. If you should assemble your
own actuator, please pay attention to the fact that axial forces may not occur
by this actuator. The misalignment of the bore holes of the counterbalanced
shaft coupling may not exceed 1/100 mm.

Mounting of the micro annular gear pump

The mounting angle of the micro annular gear pump can be fixed with four
M4 screws. The preferential position of the pump is horizontal. If the pump has
to be operated vertically, the position of the motor must be above the pump
head in order to prevent liquid from entering into the motor.

Warning

26 Technical data subject to change without prior notice! Last update: August 2019

Install the pump in such a way that in case of a failure no liquid can enter the
motor or controller.

Take precautions for the case of a leakage in order to prevent damage of
nearby objects and the environment.

The motor have to be protected from damp and dust.

6 System integration Operation manual mzr-7208, mzr-7208X1

6.3 Assembly of the fluid connection fittings for mzr-7208

The micro annular gear pump mzr-7208 is available in two versions. The liquid
supply openings may be lateral or front with a 1/8" NPT thread screw. Pump
heads equipped with the heating module are available with front liquid ports
only.

Alternative we can deliver the front fluid supply connection M10x1 or M12x1.

Lateral screw connection 1/8" NPT

figure 12 Fluid connection fitting 1/8" NPT, stainless steel

1. The thread of the fitting should be wrapped with 2-3 layers of PTFE tape

and screwed in the NPT thread (see table 21). First manually, then
tightened with ½ to ¾ wrench turns.

Last update: August 2019 Technical data subject to change without prior notice!. 27

6 System integration Operation manual mzr-7208, mzr-7208X1

approx. 3 - 4 times.

the screw thread.

cut off and get into the system.

Clean the internal and external
screw threads leaving no residues.

The PTFE tape should be wrapped
tightly around the screw thread

table 21 Use of PTFE Tape

2. Cut the tube or hose to the right angle with an adapted hose cutter. Metal

tubing, that produces swarf during cutting must be throughoutly cleansed
and flushed. The smallest piece of swarf in the liquid delivery system may
cause failure of the micro annular gear pump.

Make sure the internal and
external screw threads are not
dented or deformed.

Cut the PTFE tape off and wind
the end of the tape tightly around

Wrap the PTFE tape around the screw
thread clockwise beginning with the
second pitch of screw thread..

The PTFE tape should not stick out over
screw thread because pieces can be

3. Screw the tube or hose (the latter always with a support tube) in the fluid

inlet/outlet port of the pump first manually then tighten it with 1¼ wrench
turns. During this operation use a second wrench to hold the hose against
the bottom of the inlet/outlet port.

4. In order to avoid dry operation, provide for a sufficient liquid supply before

each use.

28 Technical data subject to change without prior notice! Last update: August 2019

6 System integration Operation manual mzr-7208, mzr-7208X1

Front fluid supply connection M10x1

figure 13 Fluid connection fitting M10x1, stainless steel

1. Cut the tube or hose to the right angle with an adapted hose cutter. Metal

tubing, that produces swarf during cutting must be throughoutly cleansed
and flushed. The smallest piece of swarf in the delivery system may cause
failure of the micro annular gear pump.

2. Slide the pressure screw on the tube (the latter always with a metal support

tube).

3. Slide on the clamping ring, bevel towards the end of the tube or hose.

4. Screw the tube or hose (the latter always with a metal support tube) in the

liquid supply port first manually then tighten it with 1¼ wrench turns

5. In order to avoid dry operation, check before each use that enough liquid is

supplied to the pump.

Warning

Dry operation of the micro annular gear pump may damage in particular the
bearing and the sealing. However, a short dry working phase at the beginning
of the operation is harmless.

Last update: August 2019 Technical data subject to change without prior notice!. 29

6 System integration Operation manual mzr-7208, mzr-7208X1

6.4 Filter selection and use

In majority of cases it is recommended to integrate a filter on the suction side
of the micro annular gear pump to ensure its secure operation. The
recommended filter pores or mesh size should not exceed 10 µm. The
penetration of particles or swarf that could cause a blockage or damage to the
pump can only be avoided by using an adapted filter.

HNP Mikrosysteme offers a choice of standard filters covering a broad spectrum
of applications. You may count on our assistance for the selection of the most
suitable one.

In order to select the best adapted filter, such operating parameters as flow
rate, viscosity and degree of pollution of the liquid will be needed. An increase
in at least one of the mentioned terms will require the use of a bigger filtering
element or the pressurization of the delivered liquid. In case no suitable filter
for 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. Alternatively an
already filtered liquid may be used.

Warning

Warning

Warning

Because filters have a large internal volume, it is recommended to fill in the
filter and the suction tube with already filtered liquid in order to avoid a longer
dry operation of the pump during the startup.

Please control regularly the filtering elements for pollution. Cleanse regularly
the filter or replace it with a new one. A polluted filter may considerably
decrease the volumetric efficiency of a pump. Furthermore, because of the
cavitation effects dosage imprecision and even pump damage may occur.

A too small filter (too little filtering surface) may considerably decrease the
volumetric efficiency of the micro annular gear pump. What is more, because
of the cavitation effects dosage imprecision and even pump damage may
occur.

30 Technical data subject to change without prior notice! Last update: August 2019

7 Motion Controller Operation manual mzr-7208, mzr-7208X1

Logic level

TTL

Enable

high active

7 Motion Controller

Without a control unit you cannot start the micro annular gear pump
mzr-7208!

7.1 Operation with Controller S-HV

We deliver the micro annular gear pump with the controller S-HV. Over this
controller can be control the speed of the motor and the flow rate of the
pump.

Electrical parameter of the controller S-HV

Power supply UB 24 (11 – 70) V
Max. continuous Current I
Max. peak Current I
Velocity Range 50...6000*) rpm

Inputs

Set value Input resistor 20 kΩ
Voltage signal ± 10 V
Encoder signals Channel A, B

6,28*) A

cont

20*) A

max

Frequency range max. 100 kHz
Enable Logic level low 0...0,5/high 8...30

Display 2-colour LED green: Ready, red: Error

Outputs

Current monitor „Monitor I“ Output voltage range ± 10 V
proportional factor 0,5 V/A
Output resistor 10 kΩ
Speed monitor „monitor n“ Output voltage range ± 10 V
proportional factor 0,5 V/A
Output resistor 10 kΩ
Supervision output Ready Input voltage range max. 30 V
current < 20 mA
Technical Data
Temperature range operation -10 … +45 °C
storage -10 … +80 °C
Humidity range non condensing 20 … 80 % rel. hum.
Dimensions L x B x H 180 x 100 x 40 mm
*) Values are different for each pump type

table 22 Technical Data of the controller S-HV

Last update: August 2019 Technical data subject to change without prior notice!. 31

7 Motion Controller Operation manual mzr-7208, mzr-7208X1

Connector C
Ready/Error 21
Monitor n

20

Monitor I

19

-Set Value 18
+Set Value

17

-15V, 20mA

16
GND, Signal 15
+15V,20mA 14

Connector B
Enable 13
Hall C

12
Hall B 11
Hall A 10
GND, Signal 9
Encoder B 8
Encoder A 7
+5V,100mA 6

Connector A

GND, Power

5

+Vcc

4

Motor C

3

Motor B

2

Motor A

1

M

power supply 24 VDC/10A

+

-

10 kOhm

E

2

3

1

5

6

4

choke coil module

!

Figure 14 Connection plan with controller S-HV and micro annular gear pump mzr-7208

Initial operation procedure

1. Connect the motor cables with a motor control unit (see Figure 14).

2. Connect the supplied choke coil module in the lines of the motor winding.

At low speeds or frequent stops the drive of the micro annular gear pump
mzr-7208 can become hot! By placing the choke coil module to the additional
inductors in each phase of the motor winding, the heating of the actuator can
be reduced.

3. Insert the jumper J2, J5, J6 and J7 for the encoder mode.

4. Connect the DC- power supply with 24 V to the control unit. Check for

correct polarity. False connecting may cause severe malfunction or even
destroy the electronic of the motor.

5. Check the adjustment of the internal potentiometer.

32 Technical data subject to change without prior notice! Last update: August 2019

7 Motion Controller Operation manual mzr-7208, mzr-7208X1

potentiometer

function

potentiometer position

!

P1 Gain course 5 %
P2 Gain fine 0 %
P3 maximum speed at

set value of 10 V
P4 Current limitation 60 %
P5 Offset 50 %

table 23 Internal potentiometer position

100 %

6. To avoid in any case dry running of the micro annular gear pump we

recommend ensuring steady media supply.

7. Programming the control unit or turn the potentiometer in 0 position that

the pump not rotate (0 rpm)

8. Switch on in the DC-power supply and start the micro annular gear pump.

Notice:

By an installation with the control unit SCA-B4-70-10 please read the operating
instruction of the control unit! The speed range can change with the jumper on
the control unit. The motor of the micro annular gear pump mzr-7208 have
2 pole! You can configure the control unit to control the speed with external
potentiometer! You can configure the control unit to control the speed with
external potentiometer! The speed range is to be set by jumper J10 and J11.

One of four speed ranges is to be set.

Jumper(s) max. speed

J10 and J11 5000 rpm
J10 10000 rpm
J11 20000 rpm (not recommended)

- 40000 rpm (not recommended)

table 24 Speed range

Skilled personnel may only do mounting and initial operating of micro annular
gear pumps.

Check for correct polarity. False connecting may cause severe malfunction or
even destroy the electronic of the motor.

Avoid in any case dry running of your micro annular gear pump as this may
especially damage the seals. A short phase of dry running when setting the
pump into operation is negligible.

Last update: August 2019 Technical data subject to change without prior notice!. 33

7 Motion Controller Operation manual mzr-7208, mzr-7208X1

Handshake Signale)

2,5 – 5 (high)

Voltage +5 V Encoder

Voltage

5

V

7.2 Operation with Controller S-HP-E

We deliver the micro annular gear pump mzr-7208 with the controller S-HP-E.
This programmable control unit enables to adjust speed for constant flow rates
or the position of the motor for the dosage of constant amounts of liquid.

Electrical parameter of the controller S-HP-E

Power supply U
Max. continuous Current I
Max. peak Current I
Speed range 30...6,000*) rpm
Max. motor power 800*) W
Interface RS-232 after RS-232 standard 9600 Baud, 8 Bit, 1 Stop-

Interface CAN after DSP 301, DSP 402
Software Composer, Elmo Studio

Input

Digitale Eingänge programmable 10
Voltage signal 12 – 24 (High) V
Analoge Eingänge Input resistor 2
programmable ± 10, 14 bit Auflösung V
Encodersignale Voltage signal A, /A, B, /B, I, /I
Channel max. 5 MHz
Hallsignale Frequency range A, B, C
Channel 0 – 1 (Low)

48 (20 – 55) V

B

6*) mA

dauer

10 (< 1s)

max

* )

mA

Bit, RxD, TxD, GND (keine

V

Output

Digital output programmable 5

Max. Current 200 mA
Voltage +5 V Hall sensors Voltage 5 V
Max. Current 30 mA
Voltage +5 V Auxiliary Voltage 5 V
Max. Current 200 mA
Technical Data
Temperature range operation 0 … +40 °C
storage -20 … +85 °C
Humidity range non condensing 20 … 90 % rel. hum.

Dimensions L x B x H 150 x 105 x 25.4 mm
Weight IP20
Temperature range 640 g
*) Values limited in the control unit with corresponding software

table 25 Technical Data of the controller S-HP-E

34 Technical data subject to change without prior notice! Last update: August 2019

7 Motion Controller Operation manual mzr-7208, mzr-7208X1

The control unit S-HP-E permits an easy startup of the pump with following
interfaces:

− Power supply over connector

− Interface RS-232 over connector alternative CAN Bus over separate

connector

−

Prepared separate cable for the motor and the encoder/hall sensor with
electrical connectors (useful for initial setup and an example for installation
in control cabinet)

− Status display over LED.

Warning

Warning
Warning

When commissioning with the controller S-HP-E note the attached technical
descriptions!

Follow the enclosed instructions!
Without a motion controller is the micro annular gear pump not set in

operation!
Make sure that the polarity of the supplied direct current is correct, otherwise

electronics will be damaged.

figure 15 Connection plan with controller S-HP-E

Last update: August 2019 Technical data subject to change without prior notice!. 35

7 Motion Controller Operation manual mzr-7208, mzr-7208X1

Initial operation

1. Connect the power cables with a motor control unit.

figure 16 Connection plan power cable

Connector
Power &

Motor
S-HP-E

M1 brown Phase A 1
M2 green Phase B 3
M3 white Phase C 5
yellow/green screen

table 26 Power cable

Cable
LIY(C)Y 3 x 1,5 mm²

Description Connector

6 poles
motor

figure 17 Connecting the power cable

36 Technical data subject to change without prior notice! Last update: August 2019

7 Motion Controller Operation manual mzr-7208, mzr-7208X1

10

yellow

grey

Hall sensor B

L

4

brown

red/pink

+5 V (Hall/Encoder)

A / J

CBL-CELIO1

Connector
Feedback

S-HP-E
PIN

1 green white Hall sensor C M

2 pink brown Hall sensor A K
3 white blue GND B

5 orange black Encoder Channel A

6 light-blue green Encoder Channel A C
7 blue red/blue

8 red grey/pink Encoder Channel I G
14 black purple Encoder Channel B

15 purple yellow Encoder Channel B E
grey n.c. no function n.c.

table 27 Feedback Cable

Connector J1
S-HP-E

PIN

1 orange IN1 Programmable Input 1
2 light-blue IN2 Programmable Input 2
3 purple IN3 Programmable Input 3
8 black IN8 Programmable Input 8
4 grey OUT2 Programmable Output 2
5 pink OUT3 Programmable Output 3
6 blue IN4 Programmable Input 4
7 red IN7 Programmable Input 7
9 white / yellow INRET General Input Return
10 white / red OUTRET2-3 Programmable Output Return 2 + 3
11 yellow OUT4 Programmable Output 4
13 green OUT5 Programmable Output 5
12 white /black OUTRET4-5 Programmable Output Return 4 + 5
14 brown OUT1 Programmable Output 1
15 white OUTRET1 Programmable Output Return 1

Feedback
Cable

CBL-DFDBK

Elmo
I/O cable

Cable
LIY(C)Y 12 x 0,14 mm²

Signal Function

Description Connector

neg.

Encoder Channel I
neg.

neg.

12 poles
motor

D

H

F

Tabelle 1 I/O cable J1

2. Connect the RS-232 port of the controller with a free serial interface of a

PC. For this purpose use the delivered adapter cable.

3. To avoid in any case dry running of the micro annular gear pump we

recommend ensuring steady media supply.

4. Connect the power supply of 48 VDC on the connector Power & Motor.

False connecting may cause severe malfunction or even destroy the

Last update: August 2019 Technical data subject to change without prior notice!. 37

7 Motion Controller Operation manual mzr-7208, mzr-7208X1

electronic of the controller! After switch on of the power supply during
the initial phase of the S-HP-E the green LED "power" light on.

figure 18 Main power supply connection diagram

The power supply of the controller S-HP-E should be 48 VDC. With this power
supply can be operated the micro annular gear pump with the entire speed
range (see chapters 1.3 and 7.2).

5. You may now install the delivered software » Composer « as described in

the chapter 9.

Remarks:

For problems with the initial operation read the included manual for detailed
motion controller! Further documentations are also located on the enclosed
CD.

38 Technical data subject to change without prior notice! Last update: August 2019

7 Motion Controller Operation manual mzr-7208, mzr-7208X1

≤

Input No. 3

TTL - logic level

low 0...0.5 / high 3,5...30

V

*) Values limited in the control unit with corresponding software

7.3 Operation with Controller S-BL (Option)

The micro annular gear pump mzr-7208 with brushless DC motor and analog
hall sensors as drive be delivered with the S-BL control unit. This programmable
control unit enables to adjust speed for constant flow rates or the position of
the motor for the dosage of constant amounts of liquid. On the delivered
diskettes or CDs you will find a PC-program operating under Windows that
enables to program such parameters as speed, acceleration and current
consumption. The delivery package comprises also a null-modem cable for
connection to a serial interface of a PC.

S-BL control unit

Type of control unit 4-Q servo amplifier
Nominal voltage U 24 V
Power supply UB 12 - 30 V
Residual ripple
Max. continuous output current I
Max. peak output current I
Speed range 10...5900*) rpm
Input No. 1 input resistance 5 kΩ
Nominal analog speed voltage range ± 10 V
Nominal digital speed PWM signal low 0...0.5 / high 4...30 V
frequency range 100...2000 Hz
Output/Input No. 2 Error state max. UB / 30 mA
no error switched to GND
programmed as input low 0...0.5 / high 3,5... UB V

4500*) mA

continuous

6000*) mA

max

2 %

PLC - logic level low 0...7 / high 12,5...30 V
Program memory 6,6 kBytes

table 28 Technical data of the S-ND control unit

The control unit permits an easy startup of the pump with:

− the possibility to connect the voltage supply to the delivered DIN socket

− the possibility to connect the voltage supply with screw clamps

− a 8-pole screw clamps connector assembly for the motor cable

− speed set with potentiometer

− analog voltage signal 0-10 V for speed control at the screw clamps

− 9-pole connection plug for the RS-232 interface

− error output with status LED, programmable also as trigger input with screw

connections

− tumbler switch S1 for the connection of digital input No. 3 of the motor

control unit

Last update: August 2019 Technical data subject to change without prior notice!. 39

7 Motion Controller Operation manual mzr-7208, mzr-7208X1

speed regulation

serial interface of PC

external voltage supply
24 V DC / 5 A

S

mzr-pump

switch S1

Startup of the micro annular gear pump with the S-BL control unit

figure 19 Connection of the micro annular gear pump mzr-7208X1 and the S-BL control unit

1. Connect the motor cables to the connector of the S-BL control unit. The pin

configuration is indicated in table 14.

2. Connect the RS-232 port of the MCBL3006 with a free serial interface of a

PC. For this purpose use the delivered 9-pole null-modem cable.

3. Put the potentiometer of the S-BL control unit to zero position by turning it

clockwise to the limit stop.

4. Connect the voltage supply 24 VDC. This can be done with the integrated

DIN connector or, alternatively the 2-pole screw clamp (24 V = »+«;
GND = »-«). Pay attention to the correct polarity.

5. You may now install the delivered software »Motion Manager« as

described in the chapter 9.

While connecting the DC voltage pay attention to the correct polarity,
otherwise electronics may be damaged.

40 Technical data subject to change without prior notice! Last update: August 2019

7 Motion Controller Operation manual mzr-7208, mzr-7208X1

Remarks:

− It is possible to adjust speed of the micro annular gear pump with the

potentiometer without the need to connect the serial interface.

− With the analog nominal value input (connection clamps »AnIN« and

»GND«) it is possible to adjust speed of the pump with a standard signal
0-10°V. For this purpose it is necessary to plug the jumper on the S-BL
control unit from the »AnalogPoti« to the »AnalogExtern«. The serial
interface does not need to be connected.

− In case of an overcurrent error the green status LED on the S-BL control unit

turns red

− The standard programs memorized in the motor control unit may be started

with the tumbler switch S1. Basic sample programs are shown in the
chapter 9. For more advanced programs please refer to the user manual for
Motion Controller MCBL3006.

Last update: August 2019 Technical data subject to change without prior notice!. 41

7 Motion Controller Operation manual mzr-7208, mzr-7208X1

ISO/DIN 11898

Voltage signal

13 - 30

V

Digital Inputs

for lim. sw., home position

3

< 500

RAM

SRAM 2 * 32 kB

Temperature range

operation

0 … +40

°C

7.4 Operation with Controller S-HP (Option)

We deliver the micro annular gear pump with the controller S-HP. Over this
controller can be control the speed and the position of the motor for
controlling of the flow rate and the dosage volume of the pump.

Electrical parameter of the controller S-HP

Power supply UB 24 (11 – 70) V
Max. continuous Current I
Max. peak Current I
Velocity Range 1...6000*) rpm
Motor inductance (minimum)

by (50 kHz)
Communication interfaces RS-232 9600 Baud
CAN (CAN-Open)
Digital Inputs programmable 4

Input resistor 5 kΩ

6,28*) A

dauer

20*) A

max

100 µH

Digital Outputs programmable 4
current
Digital Output "ready" 1
current < 500 mA
Auxiliary voltage output I/O 24 V
Auxiliary voltage output for

encoders
current 100 mA
Display Input + Output + Status 4 + 4 + 4
Operating system EPOS
Microprocessor CPU MC 68332.25 MHz

ROM EPROM 2 * 128 kB
Technical Data

storage - 20 … +85 °C
Humidity range non condensing 20 … 80 % rel. hum.
Dimensions L x B x H 190 x 100 x 40 mm
Weight 900 g
*) Values are different for each pump type

table 29 Technical Data of the controller S-HP

mA

Voltage signal 5 V

42 Technical data subject to change without prior notice! Last update: August 2019

7 Motion Controller Operation manual mzr-7208, mzr-7208X1

I/O Signals

+24 V

45

Input 4

25
Input 3 42
Input 2

24
Input 1

41

GND

19
Encoder /I

18
Encoder I
Encoder /B
Encoder B

34
Encoder /A

16
Encoder A

33
+5V,100mA

36

Power

GND, Power

5

+Vcc

4

Motor C

3

Motor B

2

Motor A

1

M

Power supply 24 VDC / 10A

+

-

E

17

35

+5 V

11
Hall C
Hall B
Hall A

9

6

Hallsensor
GND

I/O Signals

7

10

S4

S3 S2

S1

2

3

1

5

6

4

choke coil module

Figure 20 Connection plan with controller S-HP and micro annular gear pump mzr-7208

Initial operation procedure

1. Connect the motorcables with a motor control unit (see Figure 20).

2. Connect the RS232-Connector of the controller with a free serial interface

of a PC. Here for use the 9-pin zero-modem cable, included in the delivery
volume.

3. Connect the DC- power supply with 24 V to the control unit. Check for

correct polarity. False connecting may cause severe malfunction or even
destroy the electronic of the motor.

4. To avoid in any case dry running of the micro annular gear pump we

recommend ensuring steady media supply.

5. Switch on in the DC-power supply and start the micro annular gear pump.

6. The micro annular gear pump can now be taken into service either by

switching the switch S1 or by using the software »EPOS« delivered with

Last update: August 2019 Technical data subject to change without prior notice!. 43

(Installation see further down).

7 Motion Controller Operation manual mzr-7208, mzr-7208X1

!

The Controller S-HP is programming with the program
»continuous_flowrate_7208.m«! If you switch S1 the pump runs with approx.
3000 rpm and a flow rate of approx. 140 ml/min. If this parameter are not the
best for the process, please change the parameter in the program!

Notice:

Skilled personnel may only do mounting and initial operating of micro annular
gear pumps.

Check for correct polarity. False connecting may cause severe malfunction or
even destroy the electronic of the motor.

Avoid in any case dry running of your micro annular gear pump as this may
especially damage the seals. A short phase of dry running when setting the
pump into operation is negligible.

44 Technical data subject to change without prior notice! Last update: August 2019

8 Start Up / Shut Down Operation manual mzr-7208, mzr-7208X1

8 Start Up / Shut Down

8.1 Preparing for operation

After the liquid supply system had been completed, please check once again
the operating conditions of the micro annular gear pump as according to the
following points:

− Are the inlet and outlet tubes correctly connected?

− Is the entire liquid supply system clean - that means free of particles, foreign

bodies, pollution or swarf?

− Has a filter been installed on the suction side?

− Has a sufficient amount of the right liquid been supplied?

− The pump does not run the risk of a longer dry operation?

− The entire liquid supply system has been checked for leakage?

− Is it possible to stop the pump by an emergency switch if an unexpected

malfunction occurs at the startup?

8.2 Startup of the micro annular gear pump

Switch on the voltage supply. The micro annular gear pump can now be put
into operation by turning on the potentiometer knob or 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 to operation.

8.3 Flushing procedure after use

After each service the micro annular gear pump should be carefully flushed
with a non-corrosive, filtered and particle-free flushing liquid (see table 30 and
table 31). During flushing procedure the pump should operate at a speed of
about 3000 rpm and if possible against a low pressure (that can be obtained by
using a restrictor, a capillary or similar). The flushing liquid must be compatible
with the delivered liquid and suitable for solving the remaining liquid rests.
Depending on the application for example water, or isopropanol may be used.
If you have doubts whether a particular liquid is suitable for this function or
not, please ask the manufacturer of the liquid or HNP Mikrosysteme.

Last update: August 2019 Technical data subject to change without prior notice!. 45

8 Start Up / Shut Down Operation manual mzr-7208, mzr-7208X1

Flush the pump

Selection of flushing

liquid (FL)

Drain the pump

Right

flushing

liquid

Is the
pump

resistant?

nonoyes

yes

Flushing cycle

End of flushing

cycle

!

see table 30 (Selection of the flushing liquid)

see table 31 (Resistance of the sealing material)

see table 30 (Selection of the flushing liquid)

figure 21 Diagram of the flushing procedure

Warning

Liquids that remain in the pump may crystallize, coagulate or lead to corrosion
and as a consequence impair the work of the micro annular 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 31).

Warning

The flushing liquid (solvent) and the recommended duration of the flushing
procedure depend on the delivered liquid (see table 31). The indicated flushing
liquids are simple recommendations and should therefore be checked by the
user as to their compatibility and suitability.

Regulations concerning use of substances dangerous to health should be
followed!

46 Technical data subject to change without prior notice! Last update: August 2019

8 Start Up / Shut Down Operation manual mzr-7208, mzr-7208X1

Nature of the delivered liquid

Flushing time [min]

Suitable flushing liquid

styrene 0 - 1 3

1

xylene 0 1 2 3

0

1 Oils, fats, plastifierss 15-20 isopropanol, ethanol, acetone,

2 Solvents (polar + nonpolar) 5-10 isopropanol, ethanol
3 Other organic liquids 10-15 isopropanol , ethanol
4 Refrigerating and cooling agents 15-20 isopropanol, ethanol
5 Neutral water/y solutions 20-25 isopropanol, ethanol
6 Basic solutions 25-30 DI-water (deionized water)
7 Organic acids 30-40 isopropanol, ethanol
8 Weak mineral acids 25-30 DI- water
9 Strong mineral acids 35-45 DI- water
10 Strong oxidizing liquids 35-45 DI- water
11 Paints, varnishes, adhesives 50-60

table 30 Selection of the flushing liquid (solvent) and the duration of the flushing procedure depending on the

Warning

delivered liquid.

Please make sure that the pump components and particularly O-rings and

benzine/petroleum ether

not specified - for further information
please contact HNP Mikrosysteme.

sealing are resistant to the employed flushing liquid (see table 31).

PTFE (Teflon®),

Flushing liquid

acetone 0 0 3 0 0
benzene 0 3 1 3 0
benzyl alcohol 0 - 0 2 0
butanol 0 - 1 0 0
dimethyl sulfoxide (DMSO) 0 0 3 0 0
ethanol 0 0 0 0 0
isopropanol 0 0 0 0 0
methanol 0 0 2 0 0
methylethylketone (MEK) 0 0 3 1 0

Shaft sealing O-ring material

graphite-

reinforced

UHMWPE FPM

(Viton®)

EPDM FFPM

toluene 0 1 2 3 0
water 0 0 0 0 0

benzine/petroleum ether 0 0 0 3 0
oil / fine mechanics oil 0 0 0 3 0

Legend: 0 ... good suitability 1 ... suitability 2 ... conditional suitability 3 ... labile - ... not specified

table 31 Resistance of the sealing materials depending on the flushing liquid (solvent)

8.4 Shutdown of the micro annular gear pump

In order to shut down a mzr-pump the following steps should be followed:

− Flush the pump with a filtered and particle-free flushing liquid (solvent) as

described in the chapter 8.3.

− After the flushing procedure decrease speed of the pump to 0 rpm

Last update: August 2019 Technical data subject to change without prior notice!. 47

8 Start Up / Shut Down Operation manual mzr-7208, mzr-7208X1

Legend

FL = flushing liquid

CL = conservation liquid

End of test/operation

Drain the pump

Pump

requires

flushing?

Flushing cycle

Is the

pump

clean?

Selection of

conservation liquid

(CL)

Delivery of

solvents

manipulated

liquid =

conservation

liquid

Flush the pump

Selection 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

no

no

no

no

no

yes

yes

yes

yes

yes

yes

gaseous

no

yes

Flushing cycle

End of flushing

cycle

End of CL

selection

− Fill the pump with a suitable conservation liquid (see chapter 8.4.1)

− Remove the pump from the system (see chapter 8.4.2)

By proceeding as shown in the diagram (see figure 23) you may prepare the
pump for a longer standstill.

see table 30

see table 31

figure 22 Diagram of the shutdown procedure

see table 32

see table 31

48 Technical data subject to change without prior notice! Last update: August 2019

8 Start Up / Shut Down Operation manual mzr-7208, mzr-7208X1

Selection of conservation

liquid (CL)

CL

adequate

Is the CL

compatible

with pump

Is the CL

compatible

with the

last FL ?

yes

no

no

no

yes

yes

End of CL

selection

see table 32 (Selection of the conservation agent)

8.4.1 Conservation

If the micro annular gear pump operates at irregular intervals or for other
reasons should be put out of operation for a longer period, it should, after
service and flushing procedure (see chapter 8.3), be filled in with a suitable
conservation liquid.

The conservation liquid may be selected from the table 32 depending on the
duration of the standstill and the resistance of the pump to the manipulated
liquid. The indicated conservation liquids are simple recommendations and
should therefore be checked by the user as to their compatibility and suitability.
The figure 23 presents a diagram of conservation agent selection.

Remark: This diagram is repeated as a part of the figure 22 (shutdown
procedure of the micro annular gear pump).

After the cleansing procedure the pump should be filled with a suitable
conservation agent. You will find a choice of possible conservation agents in
the table 32.

figure 23 Diagram - selection of conservation liquid (CL)

Last update: August 2019 Technical data subject to change without prior notice!. 49

see table 31 (Resistance of the sealing material)

8 Start Up / Shut Down Operation manual mzr-7208, mzr-7208X1

Solubility in

water

Compatibility

with the

delivered liquid

Duration of

storage Breakaway

torque Toxicology Viscosity Description

oil

adhesive substances, protects against corrosion).

Liquids

isopropanol + + o o o + solvent for organic compounds, cosmetics, essential oils

acetone + + o o o +

ethanol + + o o o + solvent for organic compounds, fats, oils and resins
DI-water + + - - + + solvent for many organic and mineral liquids
fine mechanics

- - + + + + cleansing and protective action (dissolves fats, tar, rubber or

waxes, and esters, antifreezers, antiseptic agents
solvent for a number of organic compounds, unlimited

solubility in water, dissolves natural and synthetic resins, fats,
oils and commonly used plastifiers

hydraulic oil - - + + + - lubricating and preserving properties (Warning: may resinate

nitrogen - + + + o + is not a solvent, may leave deposits after drying out
air /

compressed air
Legend: + ... good/suitable o ... satisfactory; - ... bad/inadequate

table 32 Selection of the conservation agent

+ + + + + is not a solvent, may leave deposits after drying out

or deteriorate with time)

In order to prevent dust particles and foreign bodies from penetrating into the
pump or the conservation agent from leaking out, please secure the liquid
input and output openings with the delivered protective plugs or screws.

Warning

Water or DI-water should not be used as conservative liquids. They germinate
already after a few days and build a biofilm which can later block the pump.

8.4.2 Dismantling of the system

− Put the drive out of operation by turning down speed to 0 rpm and by

switching off the voltage supply. Make sure that the procedure described in
the chapter 8.3 has been completed.

− Now that the pump has been stopped you may remove it from the system.

− Protect the inlet and outlet openings of the pump with adapted protective

plugs or screws.

50 Technical data subject to change without prior notice! Last update: August 2019

8 Start Up / Shut Down Operation manual mzr-7208, mzr-7208X1

!

8.5 Trouble shooting

If the pump stops operating abruptly or has difficulties with starting operation,
please undertake the following steps:

Try to liberate the micro annular gear pump:

− by turning the potentiometer knob back and forth or by connecting an

analog voltage

− via the control software

− by pressing with a syringe a suitable flushing liquid (see table 30 and

table 31) through the micro annular gear pump

− by changing the operating direction of the pump.

If these measures turn out to be ineffective, please contact the service staff of
HNP Mikrosysteme (see chapter ) and send the pump back to the manufacturer
for inspection.

Warning

You should under no condition try to disassemble the pump by yourself. This
may cause damage to the pump components and consequently annul your
warranty claims.

8.6 Return of the micro 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 plugs or

screws

− return the pump in its original packing

The service personnel which carries out the repair should be informed about
the condition of the already used micro annular gear pump. This is done by
means of the "Declaration of media in contact with the micro annular gear
pump and its components" (see chapter 21). This form may also be
downloaded from the web site

https://www.hnp-

mikrosysteme.de/service/download-center.html.

its components" must imperatively be filled in. The nature of liquid which
entered into contact with the micro annular gear pump and its components
must be specified.
In case of non-compliance, the sender will be liable for any resulting injure to
persons or any object damage.

The "Declaration of liquids in contact with the micro annular gear pump and

Last update: August 2019 Technical data subject to change without prior notice!. 51

9 Software »Composer« and »Elmo Studio« (Option for S-HP-E) Operation manual mzr-7208, mzr-7208X1

9 Software »Composer« and »Elmo Studio« (Option for S-HP-E)

The » Composer « software enables operation and configuration of the drive
and offers a possibility of an online graphic analysis of the operating data. The
software is delivered on CD. The program may be installed on a PC running
under Windows 2000

Install the software » Composer « by starting the program »Setup« on the CD.

After the installation the » Composer « program may be started from the
folder from the Windows start menu.

In order to program the drive the micro annular gear pump should be put into
operation. The drive and the PC should be connected with the delivered
"RS232-COM cable".

All chapters described below are explained very detailed in the documentations
of the controller manufacturer.

®

, Windows XP® and Vista® operating systems.

9.1 Use application of CD

Load the application contained on the CD with the default parameters of the
micro annular gear pump.

Figure 24 Open Existing Application (Cello 15/60) or (Cello 10/100)

The serial port RS-232 can change with button »Charge«.

The communication opens via button "Download". The program in the
EEPROM of the controller is deleted after a prior notice.

52 Technical data subject to change without prior notice! Last update: August 2019

9 Software »Composer« and »Elmo Studio« (Option for S-HP-E) Operation manual mzr-7208, mzr-7208X1

Figure 25 Select Communication Type

Figure 26 RS-232 interface properties

9.2 Creating a new application

Following windows are to go through to create a new application.

Figure 27 Welcome windows to Composer applications

Last update: August 2019 Technical data subject to change without prior notice!. 53

9 Software »Composer« and »Elmo Studio« (Option for S-HP-E) Operation manual mzr-7208, mzr-7208X1

Figure 28 New Application name (Cello 15/60) or (Cello 10/100)

Figure 29 Selection of the relevant interface

Subsequently run the automatic scan of the serial port.

Figure 30 Adjustment of the motor data

54 Technical data subject to change without prior notice! Last update: August 2019

9 Software »Composer« and »Elmo Studio« (Option for S-HP-E) Operation manual mzr-7208, mzr-7208X1

Figure 31 Adjustment of the encoder data

Figure 32 Adjustment of the driver parameter

Figure 33 Adjustment of the digital inputs

Last update: August 2019 Technical data subject to change without prior notice!. 55

9 Software »Composer« and »Elmo Studio« (Option for S-HP-E) Operation manual mzr-7208, mzr-7208X1

Figure 34 Adjustment of the digital outputs

9.3 Adjustment of controller parameter

The controller parameters of the controller must be set for the operation of
micro annular gear pump. If the controller settings are noted with an uneven
running of the motor tuning of the controller, a further optimization will be
carried out.

The controller settings can be easily implemented on the following window.

Figure 35 Adjustment of controller parameter

56 Technical data subject to change without prior notice! Last update: August 2019

9 Software »Composer« and »Elmo Studio« (Option for S-HP-E) Operation manual mzr-7208, mzr-7208X1

Figure 36 Start Autotuning

Figure 37 Start commutation test

Figure 38 Advice turning the motor shaft

Figure 39 Message with status

Last update: August 2019 Technical data subject to change without prior notice!. 57

9 Software »Composer« and »Elmo Studio« (Option for S-HP-E) Operation manual mzr-7208, mzr-7208X1

Figure 40 Tuning parameter of velocity loop

Figure 41 Windows scope motor velocity

Figure 42 Advice window of motor rotation

58 Technical data subject to change without prior notice! Last update: August 2019

9 Software »Composer« and »Elmo Studio« (Option for S-HP-E) Operation manual mzr-7208, mzr-7208X1

Figure 43 Tuning parameter of position loop

Figure 44 Windows scope motor positioning

Figure 45 Setup Information

After adjustment of controller parameters, all parameters are saving with
parameter/Save all parameters.

Last update: August 2019 Technical data subject to change without prior notice!. 59

9 Software »Composer« and »Elmo Studio« (Option for S-HP-E) Operation manual mzr-7208, mzr-7208X1

9.4 Operation of micro annular gear pump with RS-232 interface

In the velosity mode, the velocity of the pump motor speed is adjustable.

An example for continuous delivery

Command Description

1000

3000

0

Figure 46 Speed adjustment

Rotation speed of 1000 rpm

Rotation speed of 3000 rpm

Standstill of the pump (speed 0 rpm)

60 Technical data subject to change without prior notice! Last update: August 2019

9 Software »Composer« and »Elmo Studio« (Option for S-HP-E) Operation manual mzr-7208, mzr-7208X1

9.5 Operation of micro annular gear pump as stand alone application

With the software "Elmo Studio" sequence programs are permanently save in
the controller. The programs start automatically when the supply voltage.

Figure 47 Software Elmo Studio

Programming is described in detail in the documentation of the motion control
manufacturer explained. Some example programs for dispensing with the micro
annular gear pump are included on the CD

Last update: August 2019 Technical data subject to change without prior notice!. 61

9 Software »Composer« and »Elmo Studio« (Option for S-HP-E) Operation manual mzr-7208, mzr-7208X1

control

!

9.6 Problems and their removal with controller S-HP-E

Error Possible cause of error Action

LED does not light up No power supply Check all power switches
LED lights Motor does not rotate

Control is not responding Wrong interface Überprüfen, ob am PC die richtige Schnittsteller

wrong cable assignment Check the wiring, correct if necessary
Motor hums whistles, or swinging Controller parameters are not optimal Controller parameters to check (see

table 33 Excerpt error control S-HP-E

Using the software for error check of the
controller

verwendet wird, ggf. umstecken oder EPOS die
richtige Schnittstelle mitteilen

"Regulation tuning") in the separate manual

the use of the micro annular gear pump unsafe appears, please stop the
operation of the pump without delay and contact the manufacturer.

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

62 Technical data subject to change without prior notice! Last update: August 2019

10 »Motion Manager« software Operation manual mzr-7208, mzr-7208X1

10 »Motion Manager« software

The »Motion Manager« software enables operation and configuration of the
drive and offers a possibility of an online graphic analysis of the operating data.
The software is delivered on CD. The program may be installed on a PC running
under Windows 7

Install the software »Motion Manager« by starting the program »Setup« from
the CD.

If the CD are not available you may still download this program from the web
site http://www.hnp-mikrosysteme.de/download-center.html or the web site
www.faulhaber.com (menu support - download). Here, the latest version is
always available in English and German.

After the installation the »Motion Manager« program may be loaded from the
»Faulhaber Motors« folder from the Windows start menu.

®

, Windows 8 or Windows 8.1® operating systems.

In order to program the drive, the micro annular gear pump should be put into
operation. The drive should be connected to the PC with the delivered
null-modem cable.

10.1 Direct drive control

In the »Motion Manager« software the input commands may be sent directly
to the drive. This enables to execute the movement commands and to modify
the drive parameters.

figure 48 Motion Manager software for direct control of the drive

Last update: August 2019 Technical data subject to change without prior notice!. 63

10 »Motion Manager« software Operation manual mzr-7208, mzr-7208X1

The commands are entered in the field »Enter command:«. The button »Send«
will send the command to the drive for execution (see figure 48). The
commands may be given alternatively in capital letters or low case. The drive
will ignore excess space characters.

An example for continuous delivery

Commands Description

SOR0

V1000

V0

V6000

SOR1

Operating mode RS-232: Set the nominal speed via the RS-232
interface

Rotation speed of 1000 rpm

Standstill of the pump (speed 0 rpm)

Speed value 6000 rpm

Analog input of the operating mode: setup of the nominal speed
with the potentiometer knob or by connecting an external
voltage signal to the analog input

An example for discrete dosage

Command Description

SOR0

LR10000

M

Operating mode RS-232: set the position via RS-232 interface

Load a relative position of 10000 to the control unit
10,000 = 10 rotations
(Remark: 1000 steps = 1 rotation)

Execute the task / start positioning

LR20000

M

SOR1

Load a relative position of 20000 to the control unit
20,000 = 20 rotations

Execute the task / start positioning

Analog input operating mode: Set nominal speed with
potentiometer or by connecting a voltage signal to the analog
input

In case of the mzr-7208 micro annular gear pumps 1 revolution of the rotor
corresponds to 1000 steps. The gear reduction is to be considered while using
a gear reduction module.

For more details concerning the operation of the Motion Manager, please read
the online program help.

64 Technical data subject to change without prior notice! Last update: August 2019

10 »Motion Manager« software Operation manual mzr-7208, mzr-7208X1

10.2 Programming of the control

The control of the micro annular gear pump may be adapted by the user to a
specific task by means of an easy programming language. The program files are
available in the ASCII code and have by default the »mcl« extension which
stands for "motion controller language". Various parameters of the drive such
as the maximal speed, the acceleration, the number of rotations, the allowable
current load and the parameters of the PI-controller may be programmed with
this language. Furthermore, it is possible to program short movement
sequences which will be saved in the internal memory of the drive and then
autonomously executed.

10.2.1 Transfer of a mcl file to the drive

The existing mcl files may be loaded to the file editor window using the menu
command File - Open… (in the program window).

figure 49 Menu file- open

The required mcl file may be selected and loaded via the file selection window
(see figure 49). By using the menu command Terminal - Transfer configuration
file the mcl file will be transferred to the drive (see figure 50).

Last update: August 2019 Technical data subject to change without prior notice!. 65

10 »Motion Manager« software Operation manual mzr-7208, mzr-7208X1

figure 50 Transfer of the mcl files as parameter data

When a window appears with the enquiry if the mcl files should be transferred
to the »Motion-Controller«, answer by clicking on the »Yes« button.

In order to save the configuration and the programmed operation files in the
EEPROM, confirm the dialogue window with »OK« (see figure 51). By this
confirmation the program will be saved in the memory with a resident status
and will be available for future operation.

figure 51 Storage confirmation

66 Technical data subject to change without prior notice! Last update: August 2019

10 »Motion Manager« software Operation manual mzr-7208, mzr-7208X1

A diskette with sample mcl programms is delivered along with the Motion
Manager. At the delivery the pump has a standard program configuration.
Moreover, a sample program that may be started with an external switch is
available for discrete dosage tasks.

Pump type Standard program Sample program for dosage tasks

mzr-7208 mzr-7208_S.mcl switchdosage_7208_e3_S.mcl

table 34 Overview of mcl sample programs

Last update: August 2019 Technical data subject to change without prior notice!. 67

11 Software »EPOS« (Option) Operation manual mzr-7208, mzr-7208X1

11 Software »EPOS« (Option)

For Windows® user we provide the E-Motion software EPOS 6.51 (see figure

52), a fully functional configurations and operations manager with online
graphic performance analysis.

Install the software » EPOS « of CD, included in the delivery volume.

Installation of EPOS

1. Insert EPOS Installations CD

2. Select Windows » START -> run «

3. Enter " D:\Einstall " ( D: drive unit stands for the CD-ROM ) and activate the

installation with OK. Alternatively search the drive unit or directory that
contains the installation file "Einstall.exe".

4. Follow the installation statements on the screen until the installation end is

indicated.

5. This CD contains in addition a full illustrated installation statement in the

PDF- format / Win200_Install_eng.PDF. At the finished installation of EPOS
still a few simple operating system adaptations are necessary.

figure 52 Software EPOS for motor control

To use the EPOS-Software please read the Online-Help and the manual on CD.

68 Technical data subject to change without prior notice! Last update: August 2019

11 Software »EPOS« (Option) Operation manual mzr-7208, mzr-7208X1

For stand-alone use without a PC the delivery volume contains a disk with
m-files, which could be downloaded to the control unit and saved permanently
to the EEPROM.

Last update: August 2019 Technical data subject to change without prior notice!. 69

12 Accessories for microfluidic systems Operation manual mzr-7208, mzr-7208X1

12 Accessories for microfluidic systems

The accessory range for the liquid delivery systems of HNP Mikrosysteme
comprises complementary equipment such as hoses, tubes, fluid fittings, filters
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.

13 Non-liability clause

HNP Mikrosysteme GmbH shall not be liable any damage resulting form the
non-respect of instructions comprised in this operating manual.

It belongs to the user to check the integrity, the correct choice and the
suitability of the product for the intended use.

It remains at the responsibility of the user to conform to all laws, rules and
regulations in force. This applies above all to the treatment of aggressive,
poisonous, corrosive and other dangerous liquids.

70 Technical data subject to change without prior notice! Last update: August 2019

14 Problems and their removal Operation manual mzr-7208, mzr-7208X1

1 No function

No power supply

Check all power switches

valves)

14 Problems and their removal

Error Possible cause of error Action

2 Pump does not dose No dosage liquid in the tank Fill the liquid tank
Motor error

Dosage needle blocked Check and clean the dosage needle
Back-pressure valve does not work Check the back-pressure valve
No signal for start dosage Check the start signal of the central

Pump error Replace pump and send the pump to the

3 Pump does not prime during bringing

the dosage system into service

-„- Check air pressure on tank

-„- Back-pressure valve does not open,

-„- Air bubbles in fluid system (tubings,

Pump does not suck Check of the installation

Check motor Status of the pump with the
software Motion Manager

control unit (PLC)

manufacturer

Check the back-pressure valve!

Tubings leak Change the tubings
4 Motor works but pump does not pump No liquid in pump Prime the pump
Air bubbles in fluid system (tubings, valves) Prime the pump and the fluid system
Valve not open Flush the valve
Dosage needle blocked Clean, flush or change the dosage needle
Coupling of the connection motor –pump

Pump shaft is broken Replace pump and send the pump to the

5 Pump does not pump but is filled with

liquid

-„-

-„- Flush the pump with the syringe
Back-pressure valve not open Flush the valve
Dosage needle blockade Clean or flush the needle
Air bubbles in fluid system (tubings, valves) Fill/Prime the pump and the fluid system
6 Dosage volume does not correspond

with the datasheet or calculation
Filter dirty Change the filter
Back-pressure valve not open Flush the back-pressure valve
7 Liquid leaks out of the dosage needle

(dosage needle drops)
Pressure at process liquid tank Disconnect the pressure connection of the

8 Liquid leaks out of the sealing liquid

needle
9 Dosage volume reduces over the time Filter dirty Change the filter
Dirt or deposition in the pump

10 Leak at the pump body Seal out of order

is loose

Particle in dosage liquid or pump blocked Check Status of the pump with the

Air bubbles in fluid system and pump Flush the fluid system and check the fluid

Back-pressure valve not closed Flush the back-pressure valve

Pressure at sealing liquid tank Disconnect the pressure connection of the

Replace pump and send the pump to the
manufacturer

manufacturer

software Motion Manager
Try to get free the pump with negative
prime speed (-500 rpm) for only 1 s

Don’t change the parameter of the motor
with command »FCONFIG«, »LPC«,
»LCC«!

system for opening connections

process liquid tank

sealing liquid tank

Flush the pump or send the pump to the
manufacturer for cleaning

Send the pump to inspection to the

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14 Problems and their removal Operation manual mzr-7208, mzr-7208X1

Error

Possible cause of error

Action

!

manufacturer
11 Leak of the fluid connections Flangeless ferrules leak Change the flangeless ferrules
12 Status of the pump cannot be checked

or calibrated

-„- Check the connection of the zero modem

Motor control out of order Switch the power supply for a short time

13 Over temperature Pump surface dirty Clean the pump surface
Pump works heavy Flush the pump
14 Over current Pump works heavy Dosage needle damage, replace the

-„- Dosage needle blockade, clean or flush

Back-pressure valve not open Flush the back-pressure valve
Particle in dosage liquid Flush the pump

table 35 Trouble shooting guide

No contact/connection to the pump Check the power supply of the pump

cable between PC and dosage system or

try to use a new cable

OFF and then ON to start the motor

control again

needle

the needle

the use of the micro annular gear pump unsafe appears, please stop the
operation of the pump without delay and contact the manufacturer.

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

72 Technical data subject to change without prior notice! Last update: August 2019

15 EU Directive Operation manual mzr-7208, mzr-7208X1

15 EU Directive

A Directive or EU Directive is a legal instrument of the European Community
addressing at the member states and forcing them to implement specific
regulations or targets. Leastwise, micro annular gear pumps are covered, by the
scope of application of the following Directives: The following directives are of
importance for the user of the described micro annular gear pumps:

Low-Voltage Directive (2014/35/EU)

The Low-Voltage Directive is not relevant for micro annular gear pumps
described in this manual, because the supply voltage is limited to a maximum
of 30 VDC.

Machinery Directive (2006/42/EU)

A micro annular gear pump is a machine and is consequently covered 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 not contain substances or
applications in concentrations that are forbidden by this directive. No
substances contain our products delivered to you after our current knowledge
in concentrations or application, the

placing on the market in products

according to the valid requirements forbade to the Directive.

WEEE Directive (2002/96/EU)

Disposal of micro annular gear pumps has to be environmentally sound.
All materials and liquids haveto be recycled in accordance with the relevant

regulations. Electrical parts can not be disposed of as household waste. They
have to be delivered to designated collection points.

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15 EU Directive Operation manual mzr-7208, mzr-7208X1

REACH regulation (EU) No. 1907/2006

HNP Mikrosysteme is not a manufacturer or importer of chemical substances
subjected to registration, but in terms of regulation, a downstream user. As
downstream user, we conduct the necessary communication with our suppliers
to ensure future deliveries of all components necessary to us. We will notify you
of all relevant, changes in our products, their availability and the quality of
parts/products delivered by us within our business and coordinate the
appropriate action in individual cases with you. Previous inspection did not
show any limitation in the supply of material from our upstream suppliers.

15.1 Electromagnetic Compatibility (EMC)

Electromagnetic compatibility is defined as the ability of a electric or electronic
device to function satisfactorily as intended in its electromagnetic environment
without introducing intolerable electromagnetic disturbances in that
environment.

15.1.1 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 tests for the emitted­interference and interference-immunity tests. The following tests are required
due to the connections on the controller:

Generic Standard on Emitted
Interference:

EN 55011 (05/98)+A1(08/99)+A2(09/02): Radio disturbance characteristics

Generic Standard on Interference
Immunity

EN 61000-4-2 (05/95)+A1(4/98)+A2(02/01): Electrostatic discharge immunity test
EN 61000-4-3 (04/02)+A1(10/02):

EN 61000-4-4 (09/04): Electrical fast transient/burst immunity test
EN 61000-4-5 (03/95)+A1(02/01 Surge immunity test
EN 61000-4-6 (07/96)+A1(02/01): Immunity to conducted disturbances, induced by radio-

EN 61000-4-8 (09/93)+A1(02/01): Power frequency magnetic field immunity test

Description

Radiated, radio-frequency, electromagnetic field immunity
test

frequency fields

Table 2 Standards Summary

All tests were conducted successfully.

74 Technical data subject to change without prior notice! Last update: August 2019

15 EU Directive Operation manual mzr-7208, mzr-7208X1

15.1.2 Information on use as intended

For 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!

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16 Declarations of conformity Operation manual mzr-7208, mzr-7208X1

16 Declarations of conformity

The delivered micro annular gear pump falls within scope of the following
EU-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.

76 Technical data subject to change without prior notice! Last update: August 2019

CEO

EU-manufacturer’s certificate

(following Machinery Directive 2006/42/EU)

We hereby declare that the following micro annular gear pumps of the high
performance series:

mzr-7208, mzr-7208X1

are intended for installation into another machinery/plant and that start of
operation is forbidden until it is identified that the machinery/plant into which
these micro annular gear pumps shall be installed corresponds to the
regulations of the EU guidelines regarding 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.
Please note the safety instructions in the manual.

Mr. Lutz Nowotka, HNP Mikrosysteme GmbH, Bleicherufer 25, D-19053
Schwerin is authorised to compile the technical file according to Annex VII A.

Date: December 30, 2016
Signature manufacturer:

Dr. Thomas Weisener

CEO

EU-manufacturer’s certificate

(following EMC Directive 2014/30/EU)

We hereby declare that the following micro annular gear pump of the high
performance series:

mzr-7208X1

is intended for installation into another machinery/plant and that start of
operation is forbidden till it is identified that the machinery/plant into which
these micro annular gear pumps shall be installed corresponds to the
regulations of the EU 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):

This statement does not warrant any characteristics in terms of product liability.
Please note the safety instructions in the manual.

Date: December 30, 2016
Signature manufacturer:

Dr. Thomas Weisener

Generic standards – Immunity for industrial
environments

17 Service, maintenance and warranty. Operating manual mzr-7208, mzr-7208X1

!

!

!

!

17 Service, maintenance and warranty.

The maintenance of the micro annular gear pump should be carried out
depending on the delivered liquid

− for lubricating liquids after 12,000 h working hours, but not later than

24 months after the initial operation

− for non-lubricating liquids, crystallizing liquids or liquids containing particles,

after 5000 h working hours but not later than 12 months after the initial
operation. If during the first inspection no substantial wearout of the pump
is observed, the following inspection under the same working conditions
should be performed after 8000 h working hours, yet not later than
15 months following to the last inspection.

If during the first inspection the pump shows a particularly strong wearout, the
maintenance intervals should be readapted to the operating parameters.

In order to prevent a strong wearout of the pump, the pump should be shut
down properly after every application as described in the chapter 8.4. A
supplementary flushing procedure with a neutral flushing liquid (see
chapter 8.3) also slows down the wearout process of the pump.

It is not allowed to open the micro annular gear pumps. The warranty extincts
with the expiry of the legal warranty period or with the opening of the pump.
Furthermore HNP Mikrosysteme cannot give any warranty of exchange for
parts whose damage result from incorrect use.

For service and maintenance please return your micro annular gear pump to
HNP Mikrosysteme (You will find the address on the cover of the present
operating manual).

The declaration of liquids having had contact with the micro annular gear
pump and components must imperatively be completed. The nature of the
liquids must be specified. In case of non-compliance the sender will be liable
for any resulting injure to persons or any object damage.

Sealings, rotors and shaft are parts that undergo wear and will be replaced by
HNP Mikrosysteme GmbH during maintenance depending on their degree of
wear.

Last update: August 2019 Technical data subject to change without prior notice! 81

18 Contact persons Operating manual mzr-7208, mzr-7208X1

18 Contact persons

Development and application assistance , service and accessories

Mr. Sven Reimann
Phone +49| (0) 3871|451-349

Service and maintenance

Mr. Steffen Edler
Phone +49| (0) 3871|451-307

Drive and control technology

Mr. Lutz Nowotka
Phone +49| (0) 3871|451-346

82 Technical data subject to change without prior notice! Last update: August 2019

19 Legal information Operating manual mzr-7208, mzr-7208X1

19 Legal information

Marks

®

mzr

is a registered German trademark of HNP Mikrosysteme GmbH.

MoDoS

µ-Clamp

HNPM

Teflon

Viton

Kalrez

®

is a registered German trademark of HNP Mikrosysteme GmbH.

®

is a registered German trademark of HNP Mikrosysteme GmbH.

®

is a registered German trademark of HNP Mikrosysteme GmbH.

®

is a registered trademark of DuPont.

®

is a registered trademark of DuPont Dow Elastomers.

®

Spectrum™ is a registered trademark of DuPont.

PEEK™ is a registered trademark of Victrex plc.

HASTELLOY

®

Aflas

Microsoft

®

is a registered trademark of Haynes International, Inc.

is a registered trademark of ASAHI Glass Ltd.

®

, 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 annular gear pumps (and housings) are protected by assigned patents:
EP 1115979 B1, US 6,520,757 B1, EP 852674 B1, US 6,179,596 B1,
EP 1354135, US 7,698,818 B2. Patents pending DE 10 2011 001 041.6,
PCT/IB2011/055108, EP 11 81 3388.3, US 13/884,088, CN 2011 8006 5051.7,
HK 13 11 2934.9, DE 10 2011 051 486.4, PCT/EP2012/061514,
EP 12 728264.8, US 9,404,492 B2, CN 2012 8003 8326.2. In the US, Europe
and China additional patents are pending.

Last update: August 2019 Technical data subject to change without prior notice! 83

20 Safety information for the return of already employed micro annular gear pumps and components Operating manual mzr-7208, mzr-7208X1

20 Safety information for the return of already

employed micro annular gear pumps and components

20.1 General information

The operator carries the responsibility for health and safety of his/her
employees. The responsibility extends also to employees not belonging to the
company that have a direct contact with the micro annular gear pump and its
components during repair or maintenance works. The nature of media (liquids)
coming into contact with the micro annular gear pump and its components
must be specified in the corresponding declaration form.

20.2 Declaration of liquids 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.

20.3 Shipment

The declaration should be sent directly to the supplier or to the company
designated by the supplier. A second copy of the declaration must be attached
to the shipment documents.

The following instructions should be observed for the shipment of the micro
annular gear pump.

− drain any remaining liquid from the pump

− flush the pump with an adapted flushing liquid

− remove the filter elements from the integrated or loosely delivered filters

− all the openings should be air-tight plugged

− return the pump in the original packing

84 Technical data subject to change without prior notice! Last update: August 2019

21 Declaration of media in contact with the micro annular gear pump and its components Operating manual mzr-7208, mzr-7208X1

21 Declaration of media in contact

with the micro annular gear pump and its components

Type of the device

Pump type/article no.:
Serial number:
Operating hours/running time:
Reason of return:

Contact with media (liquids)

The micro annular gear pump was in contact with:

and has been rinsed with:

Product info sheet / Material Safety Data Sheet: yes* no

or is available on the following 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
irritant

Hazard (H-statements): Precautionary (P-statements):

* Please attach file

oxidizing

radioactive
microbiological
corrosive

sensitive to moisture

pH-value: approx. to

other:

Declaration

Hereby I/we affirm that the stated information is complete and correct. Micro annular gear pump and
accessories are shipped in conformity with the applicable regulations.

company:
division:
street, no.:
ZIP/city:
country:

city, date:

Mrs Mr title:
name:
phone:
e-mail:

authorized signature /
company stamp:

Last update: August 2019 Technical data subject to change without prior notice! 85

22 Supplement Operating manual mzr-7208, mzr-7208X1

22 Supplement

− Drawings

− Manual of the motion controller S-HV (optional)

− Manual of the motion controller S-BL (optional)

86 Technical data subject to change without prior notice! Last update: August 2019

22 Supplement Operating manual mzr-7208, mzr-7208X1

Last update: August 2019 Technical data subject to change without prior notice! 87

22 Supplement Operating manual mzr-7208, mzr-7208X1

88 Technical data subject to change without prior notice! Last update: August 2019