ICS Schneider Messtechnik induQ IVMZ.2 Series User manual

Magnetic Inductive Flow Sensor
Series IVMZ.2
Types VMZ03 /VMZ06 /VMZ08 /VMZ15 /VMZ20 /VMZ25
Operating manual
Operating manual ..................................................page 1 - 20

— IVMZ.2
- 2 - • Ba_IVMZ.2_en • 06a/2021
Table of contents page
0About this operating manual......................................................................................3
1Device description.....................................................................................................4
1.1 Delivery, unpacking and accessories ......................................................................4
1.2 Intended use ...........................................................................................................5
1.3 Exclusion of liability .................................................................................................5
2Safety instructions.....................................................................................................6
3Construction and function..........................................................................................7
4Installation of IVMZ.2..................................................................................................8
4.1 Installation instructions............................................................................................9
4.2 Assembly...............................................................................................................10
5Electrical connection ...............................................................................................11
5.1 Wirings ..................................................................................................................12
6Commissioning and measuring operation ...............................................................13
6.1 Commissioning......................................................................................................13
6.2 Switching on and off..............................................................................................13
6.3 Measuring operation .............................................................................................13
7Maintenance and cleaning ......................................................................................14
7.1 Return shipment to the manufacturer....................................................................14
8Disassembly and disposal.......................................................................................15
9Technical data.........................................................................................................16
9.1 Characteristics IVMZ.2...........................................................................................16
9.2 Materials table.......................................................................................................17
9.3 Dimensions ...........................................................................................................18

— IVMZ.2 About this operating manual
Technical changes reserved - 3 -
0 About this operating manual
•The operating manual is aimed at specialists and semi-skilled personnel.
•Before each step, read through the relevant advice carefully and keep to the specified
order.
•Thoroughly read and understand the information in the section “Safety instructions”.
Hazard signs and other symbols used:
WARNING! / CAUTION! Risk of injury!
This sign indicates dangers that cause personal injuries that can lead to health defects or
cause considerable damage to property.
CAUTION! Electric current!
This sign indicates dangers which could arise from handling of electric current.
CAUTION! Material damage!
This sign indicates actions which could lead to possible damage to material or environmental
damage.
ADHERE TO OPERATING MANUAL!
NOTICE!
This symbol indicates important notices,
tips or information.
NO DOMESTIC WASTE!
The device must not be disposed of to-
gether with domestic waste.
Pay attention to and comply with infor-
mation that is marked with this symbol.
Follow the specified instructions and steps.
Adhere to the given order.

Check the specified points or notices.
Reference to another section, document or
source.
•Item.

Device description — IVMZ.2
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1 Device description
The of the IVMZ.2 series is a flow sensor without moving parts.The meas-
urement isperformed using magnetic induction.
The IVMZ.2 is used for measuring or metering water and electrically conductive fluids.The
compact design and independence from the intake and discharge sections allows the
IVMZ.2 to be used under a variety of conditions.
Versions:
The IVMZ.2 is available in different nominal sizes from DN3 to DN25.
Type plate:
You can find the type plate on the back of the IVMZ.2.
It contains the most important technical data.
1.1 Delivery, unpacking and accessories
All units have been carefully checked for their operational reliability before shipment.
Immediately after receipt, please check the outer packaging for damages or any signs of
improper handling.
Report any possible damages to the forwarder and your responsible sales representative.
In such a case, state a description of the defect, the type and the serial number of the de-
vice.
Report any in-transit damage immediately. Damage reported later shall not be recog-
nized.
Unpacking:
Carefully unpack the unit to prevent any damage.
Check the completeness of the delivery based on the delivery note.
Scope of delivery:
1x IVMZ.2 according tothe order data.
1x Operating manual.
IMPORTANT!
Use the type plate to check ifthe delivered unit corresponds to your order.
In particular, for devices with electrical components, check tosee ifthe correct power
supply voltage is specified.

— IVMZ.2 Device description
Technical changes reserved - 5 -
Accessories:
Connection cable with moulded M12x1 coupling socket.
M12x1 coupling socket as component.
1.2 Intended use
The magnetic inductive flow sensor IVMZ.2 must only be used for measuring and
metering liquids with a minimum conductivity of 20 μS/cm.
Never use the IVMZ.2 as a safety
component.
The operational safety of the device supplied is only guaranteed by intended use. The speci-
fied limits (§ 9 “Technical data”) may under no circumstances be exceeded.
Before installing the device, check that the wetted materials of the device are compatible with
the media being used (§ 9.2 “Materials table”).
Ensure that the measuring tube of the IVMZ.2 is always completely
filled
§4.1 “Installation instructions”).
Ensure that the conductivity of the fluid is atleast 20 μS/cm.
1.3 Exclusion of liability
We accept no liability for any damage or malfunctions resulting from incorrect installation, in-
appropriate use of the device or failure to follow the instructions in this operating manual.
WARNING!No safety component!
The magnetic inductive flow sensor ofthe series IVMZ.2 is no safety component in
ac- cordance with Directive 2006/42/EC (Machine Directive).
Measuring tube empty (or partially filled). / Conductivity too low.
The green LED may blink irregularly ifthe measuring tube of the IVMZ.2 is empty or
par-tially filled or ifthe conductivity of the fluid being used is too low. Random pulses
will be present at the output, but they do not represent an actual flow.

Safety instructions — IVMZ.2
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2 Safety instructions
Before you install the IVMZ.2, read through this operating manual carefully. Ifthe instructions
con-tained within it are not followed, in particular the safety guidelines, this could result in danger
for people, the environment, and the device and the system itisconnected to.
The IVMZ.2 corresponds to the state-of-the-art technology. This concerns the accuracy, the
operating mode and the safe operation of the device.
In order to guarantee that the device operates safely, the operator must act competently and
be conscious ofsafety issues.
Qualified personnel:
•The personnel who are charged for the installation, operation and maintenance of the
IVMZ.2 must hold a relevant qualification. This can be based on training or relevant tui-tion.
The personnel must be aware of this operating manual and have access to it at all times.
•The electrical connection should only be carried out by a fully qualified electrician.
General safety instructions:
•In all work, the existing national regulations for accident prevention and safety in the
workplace must be complied with. Any internal regulations of the operator must also be
complied with, even if these are not mentioned in this manual.
•Degree of protection according to EN60529:
Please ensure that the ambient conditions at the site of usedoes not exceed the require-
ments for the stated protection rating (§9 “Technical data”).
•Prevent freezing ofthe medium in the device with appropriate measures.
•Only use the IVMZ.2 if itisin perfect condition. Damaged or faulty devices must be
checkedimmediately and, ifnecessary, replaced.
•When fitting, connecting and removing use only suitable appropriate tools.
•Do not remove or obliterate type plates or other markings on the device, as otherwise,
the warranty isrendered null and void.
Special safety instructions:
•Crystallizing liquids:
Liquids, which crystallize when dried out, can cause a malfunction of the IVMZ.2.
Make sure that the IVMZ.2 is notrun dry.
Prevent the crystallization of the fluid in the device by taking appropriate
measures.
Further warnings that are specifically relevant to individual operating procedures or activities
can be found at the beginning of the relevant sections of this operating manual.

— IVMZ.2 Construction and function
Technical changes reserved - 7 -
3 Construction and function
Components:
Housing:
The Housing consists of plastic and has the
IP65 degree of protection.
Electrical connection:
The electrical connection is made via 4-pin
plug M12x1.
Process connection:
The process connections are available in
different sizes.
Operation / flow indicator LED.
Construction:
The measuring tube with its earthing sleeves and electrodes passes
through the housing and forms the external process connection of
the IVMZ.2.
Amagnetic field for the measurement process isgenerated inside the
housing, which also contains the sensor and signal conditioning cir-
cuitry.
The two stainless steel electrodes arelocated in the middle of the
measuringtube between the earthing sleeves.
The IVMZ.2 does not need any moving parts to make measurements. The inside of the
meas-uring tube is completely open, allowing the fluid to flow unhindered through the
measuring tube.
Function:
The magnetic inductive flow sensor functions according tothe induction principle. ADC volt-
age is generated by the movement ofa conductor in a magnetic field:
The measuring tube of the IVMZ.2 is located in a
mag-netic field (B).
An electrically conductive medium (V) flows through
the measuring tube. The positive and negative charge
carriers are oppositely deflected.
Avoltage (U) is generated at right angles to the mag-
netic field, which is picked up by the two electrodes.
Thereby, the induced voltage is proportional to the av-
erage flow velocity of the liquid.
The electronics ofthe IVMZ.2 converts the induced
voltage into a flow-proportional frequency signal.

Installation of IVMZ.2 — IVMZ.2
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4 Installation of IVMZ.2
Before installing, check that
the wetted materials of the device are suitable for the media being used
(§ 9.2 “Materials table”).
the equipment is switched off and is in a safe and de-energised state.
the equipment is depressurised and has cooled down.
SUITABLE TOOLS:
Use only suitable tools of the correct size.

— IVMZ.2 Installation of IVMZ.2
Technical changes reserved - 9 -
4.1 Installation instructions
CAUTION! Risk of malfunction due to external mag-
netic fields!
Magnetic fields close to the device can cause malfunctions and
should be avoided.
Ensure that no external magnetic fields are present at the
instal-lation site of the IVMZ.2.
•The IVMZ.2 can always be installed anywhere along the
pipeline. However, straight sections ofpiping are preferable.
•Installation can occur in horizontal and vertical pipes. The flow sensor isonlysuitable for
application in completely filled pipe systems.
•As a matter ofprinciple, magnetic inductive flow sensors are widely independent from the
flow profile. An inlet section is not necessary.
To reach a most highly accuracy ofthe measurement, you should use straight inlet and
outlet sections according to the nominal width (DN). The inlet section has to be at least
10 x DN; the outlet section 5 x DN in order to achieve the specified accuracy.
•The inlet and outlet sections and the gaskets must have the
same or a slightly larger inside diameterthan the measuring
tube in order toachieve the specified accuracy.
•If two or more IVMZ.2 devices are used side byside, maintain
a separation of at least 2.5cm between adjacent devices.
If adjacent devices are too close together, operation of both
devices may be impaired due to mutual interference.
Bubble-formation / run empty possible
Dirt deposits
possible
Run empty
possible
Dirt deposits
possible

Installation of IVMZ.2 — IVMZ.2
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4.2 Assembly
The IVMZ.2 is installed directly into the pipeline. The compact design and lightweight of
the unit make wall mounting unnecessary.
IMPORTANT NOTICES:
•Only use suitable gaskets for installation.
•Observe the flow direction indicated on the type plate.
•Observe the mounting dimensions (§ 9.3 “Dimensions”).
Select an appropriate location for installation
§4.1 “Installation instructions”).
To ensure the best possible measuring accuracy, a vertical
installation position with increasing flow ispreferable (no col-
lecting ofdirt deposits).
Install the appropriate screwed connections at the installation
location.
Insert the IVMZ.2 together with the gaskets.
Screw the union nuts of the screwed connection onto the
pro-cess connections of the IVMZ.2.
Ensure that an air gap remains between the union nut and
the housing. If the union nuts are screwed right up to the
housing, the IVMZ.2 may be damaged.
Maximum torque
IVMZ03 IVMZ06/08 IVMZ15 IVMZ20 IVMZ25
POM
PVDF
POM
PVDF
POM
PVDF
POM
PVDF
POM
PVDF
3 Nm
3 Nm
3 Nm
4 Nm
5 Nm
6 Nm
6 Nm
8 Nm
17 Nm
22 Nm
Tighten both union nuts with the maximum torque.
CAUTION! Material damage!
Pay attention to maximum torque.
While tightening, counter the IVMZ.2 only by hand!
If you use an open-end or a pipe wrench,the IVMZ.2 can
be damaged.
Air gap
required
Air gap
required

— IVMZ.2 Electrical connection
Technical changes reserved - 11 -
5 Electrical connection
The electrical connection of the IVMZ.2 is made via the 4-pin plug M12x1 at the top of the
housing.
The wiring of the IVMZ.2 depends on the ordered version. Adistinction is made between
fre-quency output or analogue output and frequency output.
CAUTION! Electric current!
The electrical connection should only be carried out by a fully qualified electrician.
De-energize the electrical system before connecting the
IVMZ.2.
Connection cable:
Suitable connection cables with moulded coupling socket M12x1 are available in
different lengths as accessories. The maximum permissible cable length is 10 m.
Connection 4-pin plug M12x1:
Screw the coupling socket ofthe connection cable to the plug ofthe IVMZ.2.
Tighten the knurled nut ofthe coupling socket with a maximum torque of 1
Nm.

Electrical connection — IVMZ.2
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5.1 Wirings
Pinout:
The pinout differs according to the chosen configuration of the device.
Pinout:
M12x1
Possible pinout:
Pin 1: +UB
Pin 2: n. c. (not connected) / Analogue U/I
Pin 3: GND
Pin 4: Frequency
Connect the connection cable according to your version and the pinout on the type plate.
Supply voltage:
IVMZ.2 with frequency output:
Push-Pull: NPN Open Collector: PNP Open Collector:
*1: Push-Pull switching outputs ofseveral IVMZ.2 may not be connected in parallel.
*2: Recommendation Pull-Up/ Pull-Down resistance RL~2.5 kΩ (12 V) or ~5 kΩ (24 V).
Ensure that the maximum signal current of25 mA isnot exceeded.
Use of frequency and analogue output
Push-Pull: NPN Open Collector: PNP Open Collector:
Recommendation for resistance RL~2.5 kΩ (12 V) or ~5 kΩ (24 V).
Ensure that the maximum signal current of 25 mA is not exceeded.

— IVMZ.2 Commissioning and measuring operation
Technical changes reserved - 13 -
6 Commissioning and measuring operation
Before switching on the IVMZ.2 for the first time, please follow the instructions in the
following section.
6.1 Commissioning
Check that
the IVMZ.2 has been installed correctly and that allscrew connections are
sealed.
the electrical wiring has been connected properly.
the measuring system isvented by flushing.
6.2 Switching on and off
The IVMZ.2 has no switch and cannot be switched on or off on its own. Switching on and
off is carried out by the applied supply voltage.
Switch on the supply voltage.
The green LED lights up. The IVMZ.2 is ready and goes into measuring
mode.
6.3 Measuring operation
In the measuring mode, the green LED flashes proportional to the measured flow.
For the human eye, the flashing is no longer visible from a frequency of ~30...40 Hz.
The green LED then seems to light up permanently.
IVMZ.2 with frequency output:
The IVMZ.2 provides according to the
version a flow proportional NPN, PNP or
Push-Pull square wave signal.
The frequency ofthe pulse output changes
according to the flow (Fig.).
IVMZ.2 with analogue output:
According to the configuration of the IVMZ.2, the analogue output provides a voltage or cur-
rent signal.
This signal isproportional tothe measured flow. You will find the scaling of the analogue out-
put on the type plate.

Maintenance and cleaning — IVMZ.2
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7 Maintenance and cleaning
Maintenance:
The IVMZ.2 is maintenance-free and cannot be repaired by the user. In case of a defect,
the device must be replaced or sent backthe manufacturer for repair.
CAUTION! Material damage!
When opening the device, critical parts or components can be damage.
Never open the device and perform any repair yourself.
Cleaning:
Clean the IVMZ.2 with a dry or slightly damp lint-free cloth. Do not use sharp objects or
ag-gressive agents for cleaning.
7.1 Return shipment to the manufacturer
Due to legal requirements placed on environmental protection and occupational safety and
health and to maintain the health and safety ofour employees, allunits returned for repair
must be free of toxins and hazardous substances. That also applies to cavities in the
devices. Ifnecessary, the customer must neutralise or purge the unit before return.
Costs incurred due to inadequate cleaning ofthe device and possible costs for disposal
and/or personal injuries will be billed to the operating company.
WARNING! Risk of injury due to insufficient cleaning!
The operating company is responsible for all damages and harm of any kind, in particular
physical injuries (e.g. caustic burns or toxic contaminations), decontamination measures,
disposal etc. that can be attributed to insufficient cleaning of the measuring instrument.
Comply with the instructions below before returning the unit.
The following measures must be taken before you send the unit for repair:
Clean the device thoroughly. This isofextreme importance if the medium ishazardous
to health, i.e. caustic, toxic, carcinogenic or radioactive etc.
Remove all residues of the media and pay special attention to sealing grooves and slits.
Attach a note describing the malfunction, state the application field and the chemi-
cal/physical properties ofthe media.

— IVMZ.2 Disassembly and disposal
Technical changes reserved - 15 -
8 Disassembly and disposal
CAUTION! Risk of injury!
Never remove the device from a plant in operation.
Make sure that the plant is shut down professionally.
Before disassembly:
Prior to disassembly, ensure that
the equipment is switched off and is in a safe and de-energised state.
the equipment is depressurised and has cooled down.
Disassembly:
Remove the electrical connectors.
Remove the IVMZ.2 using suitable
tools.
Disposal:
Compliant with the Directives 2011/65/EU (RoHS) and 2012/19/EU (WEEE)*, the device
must be disposed of separately as electrical and electronic waste.
NO HOUSEHOLD WASTE!
The IVMZ.2 consists ofvarious different materials. Itmust notbe disposed of with
house-hold waste.
Take the IVMZ.2 to your local recycling
plant
or
send the IVMZ.2 back to your supplier
* WEEE reg. no.: DE 25976360

Technical data — IVMZ.2
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9 Technical data
The technical data of customised versions may differ from the data in these instructions.
Please observe the information specified on the type plate.
9.1 Characteristics IVMZ.2
Type
IVMZ03 IVMZ06 IVMZ08 IVMZ15 IVMZ20 IVMZ25
Measurement device characteristics
Flow range [l/min]
0.1…2
0.25..5
1…20
2.5…50
5…200
12.5…250
Accuracy*
±0.7 % of reading ±0.3 % of range
Repeatability
±1%
Output signal starting
from [l/min]
0.05
0.1
0.25
1
4
5
Max. flow rate [l/min]
2.5
6
25
60
240
300
Response time
< 100 ms
Indication
LED green, flow proportional flashing
Output signal characteristics
Frequency output:
-Pulse rate / K-Factor
[pulses/l]
10 000
4000
1000
400
200
80
- Resolution [ml/pulse]
0.1
0.25
1.0
2.5
5.0
12.5
- Signal shape
Square wave signal • duty cycle 50:50
Push-Pull • NPN open collector • PNP open collector
- Signal current
≤100 mA
Analogue output 4...20 mA (optional)
Corresponds to flow
rate [l/min]
0...2
0...5
0…20
0…50
0…200
0…250
Max. burden
250 Ω to GND
Analogue output 0.5...10 V (optional)
Corresponds to flow
rate [l/min]
0...2
0...5
0…20
0…50
0…200
0…250
Electrical characteristics
Supply voltage
12...24 VDC (±10 %)**
Power consumption
Max 3.6 W
Electrical protection
measures
short-circuit proof • protected against polarity reversal
Electrical connection
4-pin plug M12x1
Degree of protection
(EN 60529)
IP 65 (only with a connected coupling)
* test conditions: Water 23 °C
** Voltage output 0.5…10 V only available with 16…24 VDC

— IVMZ.2 Technical data
Technical changes reserved - 17 -
Type
IVMZ03 IVMZ06 IVMZ08 IVMZ15 IVMZ20 IVMZ25
Process variables
Medium to measure
Water and other conductive liquids
- Conductivity
>20 μS/cm
- Temperature
(PVDF measuring tube)
- Temperature
(POM measuring tube)
-15…80 °C (non-freezing)
-15…60 °C(non-freezing)
Ambient temperature
-15…60 °C
Storage temperature
-15…60 °C
Nominal diameter
DN 3
DN 6
DN 8
DN 15
DN 20
DN 25
Inner diameter
3 mm
8 x 2 mm
8 mm
14 mm
18 mm
25 mm
Max. working pressure
(at … °C)
10 bar (20 °C) • 8 bar (40 °C) • 6 bar (60 °C) • 5 bar (80 °C)
Process connection
- male thread
G⅜B
G½ B
G½ B
G¾ B
G1 B
G1¼ B
9.2 Materials table
Component
Material
Component-
wetted
Housing
ABS
Measuring tube
POM or PVDF (option)
X
Process connections
POM or PVDF (option)
X
O-ring
EPDM or FKM (option)
X
Electrodes and earthing rings
Stainless steel 1.4404 or Hastelloy C®
X

Technical data — IVMZ.2
-18 - • Ba_IVMZ.2_en • 06a/2021
9.3 Dimensions
IVMZ.2 DN 3 / DN 6 /DN 8 / DN 15 / DN 20:
VMZ06
Type
L1
L2
D1
D2
VMZ03
85 13 G⅜ B Ø 3
VMZ06
85 13 G½ B Ø 8 x 2
VMZ08 85 13 G½ B Ø 8
VMZ15 90 16 G¾ B Ø 14
VMZ20 90 16 G1 B Ø 18
IVMZ.2 DN 25:
L1
58
M12x1
13.5
D2
89
36
D1
L2
LED
122
65
13.5
M12x1
25
120
60
28.5
LED
G11/4

— IVMZ.2
Technical changes reserved - 19 -
For your notes