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janitza UMG 512-Pro, User Manual And Technical Data

The Janitza UMG 512-Pro is a cutting-edge energy meter designed for precise monitoring and analysis. With its advanced features and user-friendly interface, it allows for seamless energy management. You can access the User Manual and Technical Data to understand its capabilities and settings on our website – download it for free at manualshive.com.

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33

UMG 512-PRO

7.7 

Connection variants 

7.7.1 

Main measurement

Here are some circuit diagrams of the most com-
mon ways of connecting the measuring voltage to 
the device for the main measurement. 

Measurement in a three-phase 4-conductor 

network with an asymmetrical load.

L1
L2
L3

N

L

1

L

2

L

3

N

4w 3m

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 3m

hv

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2i

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2m

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2u

hv

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2u

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

Measurement in a three-phase 4-conductor 

network with a symmetrical load.

L1
L2
L3

N

L

1

L

2

L

3

N

4w 3m

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 3m

hv

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2i

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2m

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2u

hv

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2u

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

Measurement via 3 voltage transformers in a 

three-phase 4-conductor network with an asym-

metrical load.

L1
L2
L3

N

L

1

L

2

L

3

N

4w 3m

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 3m

hv

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2i

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2m

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2u

hv

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2u

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

Measurement via 2 voltage transformers in a 

three-phase 4-conductor network with an asym-

metrical load.

L1
L2
L3

N

L

1

L

2

L

3

N

4w 3m

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 3m

hv

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2i

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2m

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2u

hv

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2u

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

Measurement via 2 current transformers in a 

three-phase 3-conductor network with a symmet-

rical load.

L1
L2
L3

N

L

1

L

2

L

3

N

4w 3m

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 3m

hv

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2i

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2m

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2u

hv

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

N

L

1

L

2

L

3

N

4w 2u

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

Measurement in a three-phase 3-conductor 

network with an asymmetrical load.

L1

N

L

1

L

2

L

3

N

2w 1m

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

L

1

L

2

L

3

N

3w 3m

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

L

1

L

2

L

3

N

3w 2i

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

L

1

L

2

L

3

N

3w 2m

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

L

1

L

2

L

3

N

3w 2m

hv

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

L

1

L

2

L

3

N

3w 2u

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1
L2
L3

L

1

L

2

L

3

N

3w 2u

hv

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L

1

L

2

L

3

N

2w 2m

I

1

I

2

I

3

S1 S2 S1 S2 S1 S2

L1

L2

Summary of Contents for UMG 512-Pro

Page 1: ...a electronics GmbH Vor dem Polstück 6 35633 Lahnau Germany Support 49 6441 9642 22 info janitza com www janitza com www janitza com Doc no 1 054 009 2 y 09 2022 Power Quality Analyzer UMG 512 Pro User manual and technical data ...

Page 2: ...UMG 512 PRO www janitza com 2 UMG 512 Pro Power Quality Analyzer Doc no 1 054 009 2 y 09 2022 The German version is the original edition of the documentation ...

Page 3: ...he current state of the information available to us Nonetheless we wish to point out that updates of this document are not always possible at the same time as technical refinements are implemented in our products Information and specifications are subject to change at any time Please see our website under www janitza com for the current version ...

Page 4: ...lectrically qualified personnel 14 2 6 Warranty in the event of damage 14 2 7 Safety information for handling current transformers and measurement devices with residual current measurement 14 2 8 Handling batteries accumulators 15 3 Product description 16 3 1 Device description 16 3 2 Incoming goods inspection 16 3 3 Intended use 16 3 4 Performance characteristics 17 3 5 EU conformity declaration ...

Page 5: ...o a PC 28 7 2 Ground wire connection 29 7 3 Circuit breaker 29 7 4 Supply voltage 29 7 5 Measured voltage 30 7 5 1 Overvoltage 30 7 5 2 Frequency 30 7 6 Current measurement 31 7 6 1 Current direction 32 7 6 2 Summation current measurement 32 7 6 3 Ammeter 32 7 7 Connection variants 33 7 7 1 Main measurement 33 7 7 2 Auxiliary input 35 7 8 Residual current measurement 36 7 8 1 Failure monitoring 36...

Page 6: ...put 45 9 2 Digital outputs 46 10 Operation 48 10 1 Button assignment 48 10 2 Measuring display Home 48 10 3 Measuring display 49 10 3 1 Main values 49 10 3 2 By values 49 10 4 Select measuring display 50 10 5 Retrieving additional information 51 10 6 Deleting values 51 10 7 Transient list 52 10 8 Event list 53 11 Configuration 54 11 1 Languages 54 11 2 Communication 54 11 2 1 Ethernet TCP IP 55 11...

Page 7: ...g to IEEE 1588 2008 and clock types 71 12 Commissioning 72 12 1 Supply voltage 72 12 2 Measured voltage 72 12 3 Frequency measurement 73 12 4 Direction of rotary field 73 12 5 Measured current 74 12 5 1 Phasor diagram examples 75 12 6 Residual current 75 12 7 Failure monitoring RCM 76 12 7 1 Alarm status 76 12 8 Overrange 77 12 9 Control of the power measurement 77 12 10 Control of the communicati...

Page 8: ...nt 93 13 1 5 Events 94 13 2 Power quality 95 13 3 Apps 98 13 3 1 Push Service 98 13 4 Information 99 13 4 1 Device information 99 13 4 2 Display 99 13 4 3 Downloads 99 14 Service and maintenance 100 14 1 Repairs and calibration 100 14 2 Front panel foil 100 14 3 Disposal 100 14 4 Service 100 14 5 Device adjustment 100 14 6 Calibration intervals 100 14 7 Firmware update 100 14 8 Battery 101 ...

Page 9: ... 106 15 6 Interfaces 107 15 7 Performance characteristics of functions 108 15 7 1 Measurements at 50 60 Hz 108 15 7 2 Measurements in the range 15 45 65 440 Hz 109 15 8 Specifications according to IEC 61000 4 30 110 15 9 Dimensional drawings 111 16 Procedure in the event of a malfunction 112 17 Menu navigation overview 114 17 1 Configuration menu overview 114 17 2 Overview of measuring displays 11...

Page 10: ...eparate validities and distinctions are marked First read and understand the documents asso ciated with the product Keep the documents associated with the prod uct available for the entire service life and pass them on to any possible subsequent users Find out about device revisions and the associ ated modifications of the documentation associ ated with your product at www janitza com 1 4 About th...

Page 11: ... com plete with accessories Observe special regulations for devices with built in batteries or rechargeable batteries Do not attempt to open or repair the device the component on your own because otherwise all warranty claims become invalid For the Disposal of the device please observe na tional regulations Dispose of individual parts as applicable depending on their composition and existing count...

Page 12: ...not avoid ed results in serious or fatal injury WARNING Warns of a potentially hazardous situation which if not avoided could result in serious injury or death CAUTION Warns of an immediately hazardous situation which if not avoided can result in minor or mod erate injury ATTENTION Warns of an immediately hazardous situation which if not avoided can result in material or envi ronmental damage INFO...

Page 13: ...th specialist knowledge In particular the safety of persons material assets and the ap plicable standards must be taken into account WARNING Risk of injury due to electrical voltage Severe bodily injury or death can result Therefore please abide by the following Switch off your installation before commenc ing work Secure it against being switched on Check to be sure it is de energized Ground and s...

Page 14: ...o large currents and high electrical voltage on the current transformers Current transformers operated while open on the secondary side high voltage peaks pose a hazard when touched can result in severe bodily injury or death Avoid operating the current transformers while open short circuit the unloaded trans formers Before interrupting the current supply short circuit the secondary connections of...

Page 15: ...ries accumulators The following apply for the battery used in the device CAUTION Risk of injury due to fire or burns The battery used in the device may cause fire or burns if used improperly Only replace the battery with the same type or types recommended by Janitza Observe the polarity when installing the battery Remove batteries only with non conductive tools e g plastic tweezers Do not recharge...

Page 16: ...hold value is exceeded can trigger a warning signal The device is therefore not an independent protective device against electric shock 3 2 Incoming goods inspection The prerequisites for trouble free and safe op eration of this device include proper transport storage setup and assembly as well as proper operation and maintenance Exercise due caution when unpacking and pack ing the device do not u...

Page 17: ...ent inputs at 25 6 kHz Frequency range of the fundamental oscillation 15 Hz 440 Hz Acquisition of transients 39 µs and storage with up to approx 330 000 sampling points Measuring range current 0 001 7 Arms True effective value measurement TRMS Continuous sampling of the voltage and current measurement inputs Continuous monitoring of residual currents with failure monitoring Temperature measurement...

Page 18: ...e distance between the device and the radio television receiver Connect the device and the radio television receiver in different circuits if necessary contact Janitza support or a radio television technician Code of Federal Regulations Title 47 Part 15 Subpart B Unintentional Radiators 3 7 Scope of delivery Quan tity Part no Designation 1 52 17 xxx 1 UMG 512 PRO 1 33 03 336 Installation instructi...

Page 19: ...he Modbus protocol can be used to change and retrieve data using the Modbus address list This list is available via the device homepage 3 11 GridVis network analysis software You can program the device and read out data using the GridVis network analysis software available at www janitza com To do so a PC must be connected to the device via a serial interface RS 485 Ethernet The GridVis network an...

Page 20: ... 1 Configuration menu Back 4 Button 2 Select digit switch between main values 5 Button 3 Decrement digit by 1 select by values select menu item 6 Button 4 Increment digit by 1 select by values select menu item 7 Button 5 Select digit switch between main values 8 Button 6 Activate input confirm selection Fig Front view UMG 512 PRO 3 4 5 8 2 7 6 1 ...

Page 21: ...rrent measurement inputs I1 to I4 4 Voltage measurement inputs V1 V4 and Vn 5 Digital inputs outputs 6 Temperature measurement input 7 Residual current measurement inputs I5 and I6 8 DIP switch S1 9 RS 485 interface 10 Profibus interface 11 Battery compartment Fig Rear view of UMG 512 PRO 4 2 Rear view ...

Page 22: ...ut dimension in the switchboard is 138 0 8 mm x 138 0 8 mm To achieve adequate ventilation observe the fol lowing instructions Install the device vertically Maintain a minimum clearance of 50 mm to wards the top and bottom Maintain a minimum clearance of 20 mm to wards the sides 5 3 Securing The device is fastened to the switchboard with two fastening clips one at the bottom and one at the top The...

Page 23: ...www janitza com 23 UMG 512 PRO ...

Page 24: ...ounded Single phase 2 conductor systems with grounded neutral conduc tor Split single phase 3 conduc tor system with grounded neutral con ductor Application areas for the device 2 3 and 4 conductor networks TN and TT networks Residential and industrial areas L1 L2 L3 E E N E L1 L2 L3 E N R L1 L2 L3 E E L1 L2 E E L N E E L1 L2 L3 E E L1 L2 N E E L1 L2 L3 E E N E L1 L2 L3 E N R L1 L2 L3 E E L1 L2 E ...

Page 25: ... Auxiliary supply Voltage measurement 4M 4M 4M 4M V1 V3 V2 4M V4 Grounding of the system Impedance L1 UMG 512 PRO Vref Fig Schematic diagram UMG in an IT network without N 6 2 Three phase 4 conductor systems The device can be used in three phase 4 con ductor systems TN TT network with a grounded neutral conductor The components of the electri cal system are grounded The voltage measurement in the ...

Page 26: ...V 600V 400V 690V 417V 720V Maximum nominal voltage of the network Fig Nominal network voltages suitable for measurement in puts in a three phase 4 conductor network with a ground ed neutral conductor according to EN 60664 1 2003 Maximum nominal voltage of the network UL L 66 V 115 V 120 V 127 V 200 V 220 V 230 V 240 V 260 V 277 V 347 V 380 V 400 V 415 V 440 V 480 V 500 V 577 V 600 V Fig Nominal ne...

Page 27: ...www janitza com 27 UMG 512 PRO ...

Page 28: ...C with GridVis UMG 512 PRO as gateway UMG 104 Slave 1 UMG 103 Slave 2 UMG 604 Slave 3 Ethernet Modbus Modbus Modbus Ethernet PC with GridVis UMG 512 PRO RS 232 RS 485 PC with GridVis UMG 512 PRO Ethernet Ethernet PC with GridVis UMG 512 PRO Ethernet 3 Connection via the network 2 Direct connection via Ethernet 4 Using the UMG 512 PRO as a gateway for further UMGs RS 232 RS 485 ...

Page 29: ...atch the specifi cations on the rating plate The supply voltage must be connected via the plug in terminals on the rear of the device Connect the supply voltage via a UL IEC ap proved fuse ATTENTION Material damage due to disregard of the con nection instructions Disregard of the connection instructions or ex ceeding the permissible voltage range can damage or destroy your device Before connecting...

Page 30: ...tion Failure to comply with the connection conditions for the voltage measurement inputs can result in damage to the device or serious injury including death Therefore please observe the following Switch off your installation before commenc ing work Secure it against being switched on Check to be sure it is de energized Ground and short circuit Cover or block off adjacent live parts Do not apply a...

Page 31: ...nt transformers which are operated exposed on the secondary side can carry hazardous live high voltage peaks which can lead to serious bodily injury or death Therefore please abide by the following Switch off your installation before com mencing work Secure it against being switched on Check to be sure it is de en ergized Ground and short circuit Cover or block off adjacent live parts Avoid expose...

Page 32: ...ummation cur rent transformer WARNING Disregard of the connection conditions of the transformers to Janitza measurement devices or their components can lead to injuries or even death or to material damage Do not use Janitza measurement devices or components for critical switching control or protection applications protective relays It is not permitted to use measured values or measurement device o...

Page 33: ...ee phase 4 conductor network with an asym metrical load L1 L2 L3 N L1 L2 L3 N 4w 3m I1 I2 I3 S1 S2 S1 S2 S1 S2 L1 L2 L3 N L1 L2 L3 N 4w 3m hv I1 I2 I3 S1 S2 S1 S2 S1 S2 L1 L2 L3 N L1 L2 L3 4w 2i L1 L2 L3 N L1 L2 L3 N 4w 2m I1 I2 I3 S1 S2 S1 S2 S1 S2 L1 L2 L3 N L1 L2 L3 N 4w 2u hv I1 I2 I3 S1 S2 S1 S2 S1 S2 L1 L2 L3 N L1 L2 L3 4w 2u Measurement via 2 voltage transformers in a three phase 4 conducto...

Page 34: ...1 S2 S1 S2 S1 S2 L1 L2 Measurement in a three phase 3 conductor network with an asymmetrical load L1 L2 L3 N 3w 3m I1 I2 I3 S1 S2 S1 S2 S1 S2 L1 3w 2i L1 L2 L3 L1 L2 L3 N 3w 2u I1 I2 I3 S1 S2 S1 S2 S1 S2 L1 L2 L3 L1 L 3w 2u hv Measurement in a three phase 3 conductor network with an asymmetrical load L1 N L1 L2 L3 N 2w 1m I1 I2 I3 S1 S2 S1 S2 S1 S2 2 L3 N I1 I2 I3 S1 S2 S1 S2 S1 S2 L1 L2 L3 L1 L2 ...

Page 35: ...4 N 3w 1m I4 S1 S2 N L4 N 2w 1n I4 S1 S2 PE L1 L2 L3 L4 N 3w 1m I4 S1 S2 L1 L2 L3 N L4 N 4w 1m I4 S1 S2 L1 L2 L3 L4 N 3w 1m I4 S1 S2 N L4 N 2w 1n I4 S1 S2 PE INFORMATION If the main measurement is connected to a three phase 3 conductor network the auxiliary measurement can no longer be used as a mea surement input INFORMATION To determine the frequency for a measurement with the auxiliary measurem...

Page 36: ...ent measurement This can occur for example due to a cable break For more information on failure monitoring see the section 12 7 Failure monitoring RCM on page 76 CAUTION Risk of injury or damage to the meter your system due to short circuit Inadequate insulation of the operating equipment at the residual current measurement input with respect to the supply circuits can cause voltag es at the measu...

Page 37: ...bility of transmission errors and damage to the device due to atmospheric dis charge Use a shielded cable for the connection to the residual current transformer inputs L1 L2 L3 N I1 I2 I3 L1 L2 L3 PEN N PE UMG 512 PRO M 3 I5 I6 I4 Fig Example UMG with residual current monitoring via measurement inputs I5 I6 Residual current transformer Residual current transformer WARNING Risk of injury due to ele...

Page 38: ...galvanically isolated from each other It is therefore essential to note that dangerous voltages at these inputs can have an effect on the respective other connections 7 8 4 Example isolation of the temperature sensor A temperature sensor is to be used for measurement in the proximity of non insulated mains wiring in a 300 V CAT III network The temperature sensor must have reinforced or double insu...

Page 39: ...ad the cable into the switchboard cabinet Cable Strain relief Braided shielding of the cable Grounding clamp Noiseless ground Fig Shielding design at the entrance to the cabinet WARNING Risk of injury due to high currents and high electrical voltages Atmospheric discharge can cause transmission errors and dangerous voltages on the device Therefore please abide by the following Connect the cable sh...

Page 40: ...ment input and residual current measurement input are not galvanically isolated from each other It is therefore essential to note that dangerous voltages at these inputs can have an effect on the respective other connections 8 2 1 Termination resistors At the beginning and end of a segment the cable must be terminated with resistors 120 Ω 1 4 W Termination within the device is possible via DIP swi...

Page 41: ... the Profibus connector 2 Connect the continuing bus line for the next device in the line to terminals 2A and 2B 3 If no further device follows in the line terminate the bus line with resistors by setting the switch on the Profibus connector to ON UMG 512 PRO Profibus Profibus connector external Termination resistors Screw terminals Other Profibus nodes D Sub 9 pin female D Sub 9 pin male Fig Prof...

Page 42: ...with bus termination switched on must be powered It is recommended that the master be placed at the end of a segment If the master is replaced with the bus termination switched on the bus is out of operation If a slave with bus termination switched on is replaced or is without voltage the bus may be come unstable Devices that are not involved in the bus termina tion can be replaced without the bus...

Page 43: ...twork data com munications and measurement devices Inform your network administrator and or IT representative Always keep the meter firmware up to date and protect the communication to the meter with an external firewall Close unused ports Take protective measures against viruses and cyber attacks from the Internet e g through firewall solutions security updates and virus protection programs Close...

Page 44: ...ction of digital inputs 9 1 Digital inputs The device has two digital inputs On one digital input an input signal is recognized when a voltage of at least 18 V and at most 28 V DC typically at 4 mA is present For a voltage from 0 to 5 V and for a current of less than 0 5 mA there is no input signal 24 VDC S1 S2 External Auxiliary voltage 14 15 16 2k21 2k21 2k21 2k21 2k21 Digital Input 1 Digital In...

Page 45: ...need an external auxiliary voltage with an output voltage in the range of 18 28 VDC and a resistor of 1 5 kohms 24 VDC External Auxiliary voltage 14 15 16 2k21 2k21 2k21 2k21 2k21 Digital Input 1 Digital Input 2 UMG 512 PRO Digital inputs 1 2 Fig Example for the connection of an S0 pulse generator to digital input 1 S0 pulse generator 1 5 kOhms ...

Page 46: ...he digital outputs as pulse outputs measurement errors can occur due to residual ripple For the supply voltage DC of the digital inputs and outputs use power supplies whose re sidual ripple is less than 5 of the supply voltage ATTENTION Connection errors can damage the device and cause material damage The digital outputs are not short circuit proof Con nection errors can therefore lead to damage t...

Page 47: ...www janitza com 47 UMG 512 PRO ...

Page 48: ...igit 1 By values select Select menu item Change digit 1 By values select Select menu item Select digit Select main values U I P Open selection menu Confirm selection 10 2 Measuring display Home After a restoration of network power the device starts with the measuring display Home This measuring display contains the device name and an overview of important measured values In the delivery condition ...

Page 49: ...e measuring displays An overview of the measuring displays can be found in the sec tion 17 2 Overview of measuring displays 10 3 2 By values The by values of a measuring display can be selected with buttons 3 and 4 You can also find these in the overview in the section 17 2 Over view of measuring displays Display Voltage L L Display Communication Status Display Home Display Bar graph Voltage Displ...

Page 50: ...nction button 1 Home always takes you to the first measuring display To switch to a measuring display with by values proceed as follows 1 Select the measuring display with the main values 2 Use function buttons 3 or 4 to select the mea suring display for the desired by values Fig Select measuring display Fig Example Selection of voltage by values Display Home Display Voltage L L Display Voltage L ...

Page 51: ... Fig Additional information on voltage L1 N 10 6 Deleting values Proceed as follows to delete individual minimum and maximum values 1 Scroll to the desired measuring display using buttons 2 to 5 2 Activate the measured value selection with but ton 6 selection The background color for the measured value changes from gray to blue The additional infor mation is displayed in a separate window 3 Use bu...

Page 52: ... to display a specific transient voltage 1 Scroll to the Transients main value display using buttons 2 or 5 2 Select the desired page using button 4 3 Enter the transient list using button 6 Select The background color for date time changes from gray to blue 4 Select a transient with buttons 3 or 4 5 Use button 6 Select to display a transient graphically 6 Show or hide the legend by pressing butto...

Page 53: ...oll to the main Events display using but tons 2 or 5 2 Use button 4 to select the desired page 3 Enter the event list with button 6 Select The background color for date time changes from gray to blue 4 Use buttons 3 or 4 to select an event 5 Press button 6 Enter to display the event graphically 6 Show or hide the legend by pressing button 6 Legend again 7 Use button 1 Esc to exit the graphical dis...

Page 54: ...follows to change the system lan guage 1 Open the Configuration menu 2 Press buttons 3 or 4 until the language field is highlighted 3 Open the language selection with button 6 Enter 4 Use buttons 3 or 4 to select the desired lan guage 5 Confirm your selection by pressing button 6 Enter again 11 2 Communication The Communication menu can be used to config ure the Ethernet and the RS 485 interface o...

Page 55: ...git using button 5 5 Repeat steps 3 and 4 until you have completed the desired input 6 Confirm your entry with button 6 11 2 2 Fieldbus If you connect the device via the RS 485 in terface configure the following settings in this section Modbus protocol Here you select whether the device will act as a Modbus slave Modbus master gateway or Profibus DP V0 option in the bus structure Device address Se...

Page 56: ...ment V1 V4 against Vref The measured voltages and currents for mea surement channels 1 4 must all be from the same network Main measurement The main measurement includes the measure ment channels 1 3 Use measurement channels 1 3 in three phase systems Auxiliary input Only measurement channel 4 belongs to the auxiliary input Use measurement channel 4 for measurement in single phase systems or in th...

Page 57: ...inal current defines the reference value for the following measurements Overcurrent Current transients K factor Automatic scaling of graphics Setting range 0 1000000 A INFORMATION NOTE For Janitza measurement devices and compo nents use only current transformers intended for measuring purposes transformers Transformers unlike protection transformers go into saturation at high current peaks Pro tec...

Page 58: ...n the nominal voltage ULL is entered the nominal voltage ULN is calculated automatically Formula ULN ULL 3 Setting range ULN 0 999999 V Setting range ULL 0 999999 V Factory default setting 230 V ULN 398 V ULL Apply AUX MAIN These settings can be set separately for the main and auxiliary measurement The menu item Apply AUX Main allows you to apply the settings from the auxiliary or main mea suremen...

Page 59: ...ked 1 locked Fig Lock transformer ratios INFORMATION A Modbus address list for your device can be found in the download area at www janitza com Residual current transformer When using the residual current inputs I5 and I6 the corresponding ratios of the residual current transformers used must be set Setting range Primary 1 1000000 Secondary 1 Factory default setting Primary 127 Secondary 1 The fai...

Page 60: ...orded transients using the GridVis event browser The following modes are available for recording transients Absolute Delta Envelope Mode absolute If a sample value exceeds the set limit value a transient is detected Off The transient monitoring is switched off Automatic Factory default The limit value is calculated automatically and is 150 of the current 200 ms RMS value Manual The transient monit...

Page 61: ...ring uses the con figurable envelope Apply AUX MAIN These settings can be set separately for the main and auxiliary measurement The menu item Apply AUX Main allows you to apply the settings from the auxiliary or main mea surement respectively so that you do not have to enter everything again Monitoring of the transients can be switched off Off Manual If a transient is switched off and on again the...

Page 62: ... first initialized according to its defaults Either 85 110 or 150 depending on the setting Limit values and hysteresis are set on the device as a percentage of the nominal value for Overvoltage and undervoltage Voltage interruption Overcurrent If an event has occurred the associated mea sured value is recorded with the set lead and lag time 0 1000 half waves each Threshold value Measured value Hal...

Page 63: ... power quality in low voltage networks The setting L L should be used in medium voltage networks 11 3 5 Nominal frequency The device determines the mains frequency from the applied voltage L1 and uses this for the further calculations The nominal frequency of the network must be set manually on the device before measurement starts The nominal frequency is required as a reference for measuring the ...

Page 64: ...iables must be specified by the user and can be selected from a predefined list 230 V 50 Hz factory default 120 V 50 Hz 230 V 60 Hz 120 V 60 Hz INFORMATION The flicker values can only be determined for the Relevant voltage L N Fig Setting the flicker values 11 3 7 Temperature When using a temperature measurement select the appropriate sensor type from a predefined list PT100 PT1000 KTY83 KTY84 Fig...

Page 65: ...e configuration directly on the device is then only possible after entering the password The password consists of a 6 digit number Setting range 1 999999 with password 0 without password The factory setting is no password 0 To change an already set password you must know the current password Remember a changed password Proceed as follows to set a password 1 Open the System menu 2 Navigate to the P...

Page 66: ... line all energy meters have been cleared INFORMATION Before commissioning delete any possible pro duction related contents of the energy meters min max values and recordings Delete Min Max values You can delete all min and max values in the device at the same time A description of how to delete individual min and max values can be found in 10 6 Deleting values 1 Open the Reset menu 2 Use buttons ...

Page 67: ...sing button 6 The font color changes to red and a cursor appears 4 Change the value to Yes by pressing button 4 5 Confirm your entry with button 6 The device restarts within approx 10 seconds 11 5 Display Here you can adjust the display settings of your device Brightness Here you can set the display brightness of the device Proceed in the same way as described in the previous chapters Setting rang...

Page 68: ... the display automatically switches to the next measuring display Setting range 0 255 seconds Factory default setting 0 seconds 11 6 Colors Select the colors for the visualization of current and voltage in the graphical displays here 1 Press buttons 3 or 4 until the color field is high lighted 2 Open the Colors menu using button 6 3 Use buttons 3 or 4 to select the desired color field 4 Confirm yo...

Page 69: ...acturer requires the serial number of the device and the name of the func tion to be activated To activate the function enter the 6 digit activa tion code on the corresponding line Note that the activation code is only valid for one device Jasic status Up to 7 customer specific Jasic programs 1 7 and one recording can run in the device The Jasic programs can assume the following states Stopped Run...

Page 70: ... device configuration Via the parameter _MODE_NTP the Modbus address can be found in the Modbus address list of your device at www janitza com 11 8 1 Important Modbus parameters for the PTP configuration of the device Meanings of the Modbus parameters Parameter name Data type Permission Entry range _MODE_NTP refer to section 11 8 2 PTP parameter _MODE_NTP int RD WR NTP PTP activation _PTP_DOMAIN 1...

Page 71: ...ith a master as the slave and synchronizes its time with the master Boundary clock BC Clock that contains several ordinary clocks several ports and as the master synchro nizes several slaves with its time and transports this beyond a network boundary The boundary clock can also be connected to a master as a slave and synchronize its time with the master Transparent clock TC Clock that does not act...

Page 72: ... Before commissioning delete any possible pro duction related contents of the energy meters minimum and maximum values and records 12 2 Measured voltage Connect voltage measurements in networks with nominal voltages above 500 VAC to ground using voltage transformers Proceed as follows to connect the measured voltage 1 Connect the measured voltage using a terminal on the back of the device 2 After ...

Page 73: ...ltage measurement inputs The mains frequency must be in the range from 15 Hz to 440 Hz If the measured voltage is not sufficiently high the device cannot determine the mains frequen cy and therefore cannot carry out a measure ment 12 4 Direction of rotary field Check the direction of the voltage rotating field in the measuring display of the device Usually it is a right rotating field UL1 UL2 UL3 ...

Page 74: ... on the back of the device and secure it suffi ciently with the two screws 3 Compare the current displayed on the device with the applied input current The currents must match after taking the current transformer ratio into account At the short circuited current measurement inputs the device must indicate approx 0 am peres Sign of phase shift angle U I Positive with capacitive load Negative with i...

Page 75: ...connections k and I are reversed or there is a feedback into the supply network 12 6 Residual current Only connect residual current transformers with a nominal current of 30 mA to inputs I5 and I6 Both residual current inputs can measure AC currents and pulsating DC currents The residual current displayed by the device must match the input current taking into account the current transformer ratio ...

Page 76: ... I6 0 Connection to the residual current transformer at I5 or I6 is fault free 1 Fault within the current trans former connection at I5 or I6 12 7 1 Alarm status Using bitwise coding within the alarm registers addr 13925 for I5 13926 for I6 it is possible to read out different alarm states unused Alarm Overcurrent Warning Bit 0 15 0 0 0 0 0 0 0 14 13 12 11 10 9 8 0 7 0 0 0 0 0 0 0 6 5 4 3 2 1 0 Fi...

Page 77: ...phase with the current transformer input that is not short circuited If this is not the case check the connection of the measured voltage and measured current If the amount of active power is correct but the sign of the active power is negative this can have two causes 1 The connections S1 k and S2 l on the current transformer are reversed 2 Active energy is returned to the grid Fig In the phasor ...

Page 78: ...eters Data bits 8 Parity none Stop bits UMG 512 PRO 2 External stop bits 1 or 2 Number formats short 16 bit 215 215 1 float 32 bit IEEE 754 INFORMATION Broadcast address 0 is not supported by the device INFORMATION The telegram length must not exceed 256 bytes Example Reading the voltage L1 N The voltage L1 N is stored in the measurement list under the address 19000 The voltage L1 N is in the FLOA...

Page 79: ...ofiles profile numbers 0 15 You can create additional Profibus profiles profile numbers 16 255 via Jasic programs Factory preconfigured Profibus profiles can be modified later on Device master file The device master file abbreviated GSD file de scribes the Profibus properties of the UMG The GSD file is required by the configuration program of the PLC The device master file for your device has the ...

Page 80: ...quired Fig Block diagram for data exchange between PLC and UMG 512 PRO PLC Processing the Output area of the PLC 1st byte Profile number 0 15 2nd byte Data to the UMG 512 PRO Processing the Input area of the PLC 1st byte Response with the profile number 2nd byte Data requested by the UMG 512 PRO UMG 512 PRO Fetch measured values for this profile number Profile number Profile number Measured values...

Page 81: ...L3 Float 1 11 41 Current L4 Float 1 12 45 Active power L1 Float 1 13 49 Active power L2 Float 1 14 53 Active power L3 Float 1 15 57 Active power L4 Float 1 16 61 Cos phi math L1 Float 1 17 65 Cos phi math L2 Float 1 18 69 Cos phi math L3 Float 1 19 73 Cos phi math L4 Float 1 20 77 Frequency Float 1 21 81 Active power sum L1 L4 Float 1 22 85 Reactive power sum L1 L4 Float 1 23 89 Apparent power sum...

Page 82: ...5 Active power L3 Float 1 13 49 Cos phi math L1 Float 1 14 53 Cos phi math L2 Float 1 15 57 Cos phi math L3 Float 1 16 61 Frequency Float 1 17 65 Active power sum L1 L3 Float 1 18 69 Reactive power sum L1 L3 Float 1 19 73 Apparent power sum L1 L3 Float 1 20 77 Cos phi math Sum L1 L3 Float 1 21 81 Effective current sum L1 L3 Float 1 22 85 Active energy sum L1 L3 Float 1 23 89 Ind reactive energy su...

Page 83: ...13 49 Inductive reactive energy L3 Float 1 Profibus profile number 3 Byte index Value type Value format Scaling 1 1 Active power L1 Float 1 2 5 Active power L2 Float 1 3 9 Active power L3 Float 1 4 13 Active power sum L1 L3 Float 1 5 17 Current L1 Float 1 6 21 Current L2 Float 1 7 25 Current L3 Float 1 8 29 Current sum L1 L3 Float 1 9 33 Active energy sum L1 L3 Float 1 10 37 Cos phi math L1 Float ...

Page 84: ...ge value RMS Min max values 4 THD voltage L1 L2 L3 L4 L1 L2 L2 L3 L3 L1 10 min Average value RMS Min max values 4 Voltage harmonics up to 25th L1 L2 L3 L4 L1 L2 L2 L3 L3 L1 10 min Average value RMS Min max values 4 Voltage imbalance 10 min Average value RMS Min max values 5 Consumed active energy L1 L2 L3 L4 1 hr Sample 5 Consumed active energy sum L1 L3 L1 L4 1 hr Sample 5 Apparent energy L1 L2 L...

Page 85: ...rage value arithmetic Min max values 6 Apparent power L1 L2 L3 L4 10 min Average value arithmetic Min max values 6 Apparent power sum L1 L3 L1 L4 10 min Average value arithmetic Min max values 6 cos phi math L1 L2 L3 L4 10 min Average value arithmetic Min max values 6 cos phi math Sum L1 L3 L1 L4 10 min Average value arithmetic Min max values 6 Reactive power fundamental oscillation L1 L2 L3 L4 10...

Page 86: ... define the following for both digital inputs Which value type the incoming signal has Which scaling factor should be used for the value Fig Configuring inputs of the UMG 512 PRO via Grid Vis 12 13 2 Pulse output The digital outputs can also be used to output pulses for counting energy consumption To do so a pulse is applied to the output after a certain configurable amount of energy of a defined ...

Page 87: ...s h Tab Examples of the maximum possible number of pulses per hour INFORMATION The pulse interval is proportional to the power within the selected settings INFORMATION When programming with GridVis you are giv en a selection of work values derived from the power values see www janitza com Pulse valency The pulse valency specifies how much energy Wh or varh should correspond to one pulse The pulse ...

Page 88: ... kW x 3 Max connected load 135 kW 3 Calculate the pulse valency Pulse valency Max connected load Max number of pulses h Wh pulse Pulse valency 135 kW 60 000 pulses h Pulse valency 0 00225 kWh pulse Pulse valency 2 25 Wh pulse 230 VAC 24 VDC External Operating voltage 1 5k Data logger UMG 512 PRO Switching and pulse outputs Fig Connection example for wiring as a pulse output 11 12 13 Digital Ouput ...

Page 89: ...www janitza com 89 UMG 512 PRO ...

Page 90: ...tering the IP address of the device into a web browser on your end device A description of how to con nect the device to the Internet can be found in the section 11 2 1 Ethernet TCP IP 13 Device homepage Here without prior software installation you can Retrieve historical as well as current measured values Retrieve the power quality status in an easy to understand display Remotely control your dev...

Page 91: ...e individual measured values The following menu items are available here Brief overview Detailed measured values Charts RCM Residual current measurement Events 13 1 1 Brief overview The brief overview shows the most important measured values for each phase such as momentary volt age values power values and current strength Fig Brief overview of measured values ...

Page 92: ...ed measured values The overview provides access to extensive information on the following points Voltage Current Power Harmonic oscillations Work Peripherals digital inputs outputs temperature measurements Fig Detailed overview of measured values ...

Page 93: ... a graph of the measured values drag the desired values from the list on the left side of the screen into the field in the center of the screen Fig Device home page Event records 13 1 4 RCM Residual current measurement The item RCM shows you the instantaneous values and absolute limit values of the RCM channels More detailed information on residual current measurement can be found in the section 7...

Page 94: ... 94 13 1 5 Events The Events item allows you to display a graphical representation of the recorded events such as over current or undervoltage More information on event recording can be found at 11 3 3 Events Fig Event recording ...

Page 95: ...ily changed within the indicator settings However this has no lasting effect A change of the class is reset to class 2 compatibility level as in the public network after leaving the page If you have installed further apps for the power quality there are additional menu items in the Power quality menu 1 For the app IEC 61000 2 4 Watchdog IEC 61000 2 4 settings IEC 61000 2 4 Watchdog Changing the IE...

Page 96: ...UMG 512 PRO www janitza com 96 Fig IEC 61000 2 4 Watchdog parameters with traffic light principle report ...

Page 97: ...www janitza com 97 UMG 512 PRO Fig IEC61000 2 4 PQ indicator parameters with traffic light principle snapshot ...

Page 98: ...of your device later on by installing additional apps 13 3 1 Push Service An example of an installable app is the Push Service With the Push Service measured values are sent directly from the device to a cloud or portal solution of your choice such as the Janitza Energy Portal Fig Push Service ...

Page 99: ... 4 2 Display The item Display shows the display of the device that corresponds to the actual display Pressing the operating buttons with the mouse allows you to remotely control the device here Fig Operation of the UMG 512 PRO via the device homepage 13 4 3 Downloads Click on Downloads to access the download area of the Janitza homepage Here you are able to download catalogs and operating manuals ...

Page 100: ...e not described in this manual please contact the manufacturer directly The following information is essential for us to be able to answer any questions you may have Device designation see rating plate Serial number see rating plate Software release see measuring display Measured voltage and supply voltage An exact error description 14 5 Device adjustment The devices are adjusted by the manufactur...

Page 101: ...attery The clock provides date and time information for records min and max values and events for example The life expectancy of the battery is at least 5 years at a storage temperature of 45 C The typical life expectancy of the battery is 8 to 10 years The battery type CR2450 3 V can be replaced by the user Fig Battery replacement with needle nose pliers ...

Page 102: ... F no condensation Operating elevation 0 2000 m 6562 ft above sea level Pollution degree 2 Mounting orientation Vertical Ventilation Forced ventilation is not required Protection against foreign matter and water Front Rear IP40 according to EN60529 IP20 according to EN60529 15 1 Supply voltage Supply voltage Installation overvoltage category 300 V CAT III Fuse protection of the supply voltage fuse...

Page 103: ...voltages up to 600 V 10 The voltage measurement inputs are designed as follows from the point of view of safety and reliabil ity Overvoltage category 600 V CAT III Rated surge voltage 6 kV Protection of the voltage measurement 1 10 A Measuring range L N 01 600 Vrms Measuring range L L 01 1000 Vrms Resolution 0 01 V Crest factor 1 6 referred to 600 Vrms Impedance 4 MOhms phase Power consumption app...

Page 104: ...oaded 1 A Overload for 20 ms 50 A Measurement of residual currents according to IEC TR 60755 2008 01 Type A Maximum external load 300 ohms for cable break detection Terminal connection capacity residual current measurement Connectible conductors Only connect one conductor per terminal point Single core multi core fine stranded 0 2 1 5 mm2 AWG 28 16 Wire ferrules non insulated 0 2 1 5 mm2 AWG 26 16...

Page 105: ...ment input Connectible conductors Only connect one conductor per terminal point Single core multi core fine stranded 0 2 1 5 mm2 AWG 28 16 Wire ferrules non insulated 0 2 1 5 mm2 AWG 26 16 Wire ferrules insulated 0 2 1 5 mm2 AWG 26 16 Tightening torque 0 2 0 25 Nm 1 77 2 21 lbf in Strip length 7 mm 0 2756 in Potential isolation and electrical safety of the temperature measurement inputs The temper...

Page 106: ... 20 Hz Line length Up to 30 m 32 81 yd unshielded greater than 30 m 32 81 yd shielded Terminal connection capacity digital inputs and outputs Connectible conductors Only connect one conductor per terminal point Single core multi core fine stranded 0 2 1 5 mm2 AWG 28 16 Wire ferrules non insulated 0 2 1 5 mm2 AWG 26 16 Wire ferrules insulated 0 2 1 5 mm2 AWG 26 16 Tightening torque 0 2 0 25 Nm 1 77...

Page 107: ...ntial isolation and electrical safety of the interfaces The RS 485 Profibus and Ethernet interfaces are double insulated relative to the current and voltage measurement inputs and the supply voltage There is only functional isolation relative to each other and to the RCM and temperature measurement inputs and to the digital I O interfaces The interfaces of the devices connected here must have doub...

Page 108: ... calculated INc 0 5 IEC61557 12 0 005 21 A 0 A 9999 kA Voltage U L N 0 1 IEC61557 12 10 600 Vrms 0 V 9999 kV Voltage U L L 0 1 IEC61557 12 18 1000 Vrms 0 V 9999 kV Power factor PFA PFV 0 5 IEC61557 12 0 00 1 00 0 1 Short term flicker long term flicker Pst Plt Cl A IEC61000 4 15 0 4 pst to 10 0 pst 0 10 Voltage dips Udip 0 2 IEC61557 12 10 600 Vrms 0 V 9999 kV Voltage swells Uswl 0 2 IEC61557 12 10...

Page 109: ...557 12 10 600 Vrms 0 V 9999 kV Voltage swells Uswl 0 5 IEC61557 12 10 600 Vrms 0 V 9999 kV Transient overvoltages Utr 0 5 IEC61557 12 10 600 Vrms 0 V 9999 kV Voltage interruptions Uint Duration 1 cycle Voltage unbalance 1 Unba 0 5 IEC61557 12 10 600 Vrms 0 V 9999 kV Voltage unbalance 2 Unb 0 5 IEC61557 12 10 600 Vrms 0 V 9999 kV Voltage harmonics 8 Uh Cl 2 IEC61000 4 7 Up to 3 kHz 0 V 9999 kV THD ...

Page 110: ... 5 9 Interharmonics IEC 61000 4 7 Class 1 10 200 of Class 3 of IEC 61000 2 4 5 10 Mains signal voltage In the range of 3 15 of Udin 5 of Udin In the range of 1 3 of Udin 0 15 of Udin There are no uncertainty require ments for values 1 of Udin 0 15 of Udin 5 12 Under over deviation 0 1 of Udin 10 150 of Udin INFORMATION To ensure that two measurement devices achieve the same measurement results in ...

Page 111: ...www janitza com 111 UMG 512 PRO 15 9 Dimensional drawings Fig View from the side Fig View from below ...

Page 112: ...asuring input is too low Install current transformers with a lower current transformer ratio Displayed voltage is too low or too high Measurement on the wrong phase Check connection and correct if necessary Voltage transformer programmed incorrectly Read the voltage transformer ratio on the voltage transformer and program Displayed voltageis too low Overrange Use a voltage transformer The voltage ...

Page 113: ...ry Display of measuring range exceeded overload Voltage or current measurement input outside the measuring range Also see section 12 8 Overrange Check connection and correct if necessary Use suitable voltage or current transformers Read and program the voltage or current transformer ratio on the transformer No connection to the device RS 485 Incorrect device address Correct the device address Diff...

Page 114: ...ansformer Transients Events Rel Voltage Nominal frequency Flicker Thermistor input System Information Password Reset Display Colors U I L1 L4 Extensions Activation Jasic status Transformer MAIN AUX I Diff1 I Diff2 U pim sec I prim sec I nom U nom Connection Transients MAIN AUX Events MAIN AUX Reset Energy Min max values As delivered con dition Restart Activation BACnet Jasic status Mode Peak Trns ...

Page 115: ... current L5 L6 K factor L1 L4 THD I L1 L4 Current Total Main values Apparent energy Overview By values Active energy Overview Tariff 1 Tariff 2 Reactive energy Overview Tariff 1 Tariff 2 Active power L1 L4 Total power L1 L3 Reactive power Total power L1 L3 Apparent power Total power L1 L3 Fig Schematic representation of the menu navigation for the measuring displays part 1 ...

Page 116: ...e power history L1 L2 L3 L4 L1 L3 L1 L4 Reactive power history L1 L2 L3 L4 L1 L3 L1 L4 Current history L1 L2 L3 L4 Voltage history L1 L2 L3 L4 Harmonics current Voltage L1 L2 L3 L4 Transients 1 8 9 16 Events 1 8 9 16 Harmonics current Current L1 L2 L3 L4 Residual cur rent history I Diff1 I Diff2 Temperature history External Internal Fig Schematic representation of the menu navigation for the measu...

Page 117: ...tus Oscilloscope L2 L3 L4 Oscilloscope ULN1 3 ULN1 4 Oscilloscope IL1 3 IL1 4 Bar graph Current L N Bar graph Active power L N Main values By values Bar graph Residual current IDiff1 I Diff2 Bar graph Temperature External Internal Fig Schematic representation of the menu navigation for the measuring displays part 3 ...

Page 118: ... S2 I1 19 20 S1 S2 I2 21 22 S1 S2 I3 23 24 S1 S2 I4 25 26 VN 31 L3 Auxiliary supply 17 18 L N PE Consumer PE N L1 RS485 8 9 10 Temp PT100 IPE IDIFF 0 30 mA 4 5 6 7 RCM I5 I6 11 12 13 Digital outputs K1 K2 14 15 16 Digital inputs 2 Ethernet 10 100Base T RJ45 Switch PC PC Profibus DSUB 9 PLC PLC 2 3 A B 1 Data GND A B Fig Schematic drawing connection example for the UMG 512 PRO ...

Page 119: ...www janitza com 119 UMG 512 PRO ...

Page 120: ...ject to technical alterations The latest version of the document can be found in the download area at www janitza com Janitza electronics GmbH Vor dem Polstück 6 35633 Lahnau Germany Tel 49 6441 9642 0 info janitza com www janitza com ...

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