Janitza UMG 103-CBM Gebrauchsanweisung

Doc. no. 2.057.013.1.a 04/2021

Power Quality Analyser

UMG 103-CBM

(from ﬁrmware 2.0)

User manual and technical data

Janitza electronics GmbH

Vor dem Polstück 6

D-35633 Lahnau

Support tel. +49 6441 9642-22

Email: [email protected]

www.janitza.com

UMG 103-CBM www.janitza.com

UMG 103-CBM

Power Quality Analyzer

Measurement device for recording energy quantities

Doc. no.: 2.057.013.1.a

Date: 04/2021

The German version is the original edition of the documentation

www.janitza.com UMG 103-CBM

Subject to technical changes.

The contents of our documentation have been compiled with great care and reﬂect the 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. Please see

our website under www.janitza.de for the current version.

Please see our website under www.janitza.de for the current version.

UMG 103-CBM www.janitza.com

TABLE OF CONTENTS

1. Information on the device and the user manual 8

1. 1 Disclaimer 8

1. 2 Copyright notice 8

1. 3 Technical changes 8

1. 4 About this user manual 8

1. 5 Defective device/disposal 9

2. Safety 10

2. 1 Display of warning notices and safety information 10

2. 2 Hazard levels 10

2. 3 Product safety 11

2. 4 Dangers when handling the device 11

2. 5 Electrically qualiﬁed personnel 12

2. 6 Warranty in the event of damage 12

2. 7 Safety information for handling current transformers 12

3. Product description 14

3. 1 Device description 14

3. 2 Incoming goods inspection 14

3. 3 Intended use 15

3. 4 Performance characteristics 16

3. 5 EU conformity declaration 16

3. 6 FCC Declaration of Conformity 16

3. 7 Scope of delivery 17

3. 8 Accessories 17

3. 9 Measuring method 18

3. 10 Transformer 18

3. 11 Operating concept 18

3. 12 GridVis®network analysis software 18

4. Structure of the device 20

4. 1 Front panel and controls 20

4. 2 LEDs display patterns 21

4. 3 Identiﬁcation of the device (rating plate) 22

5. Mounting 24

5. 1 Installation location 24

5. 2 Mounting orientation 24

6. Grid systems 25

www.janitza.com UMG 103-CBM

7. Installation 26

7. 1 Nominal voltages 26

7. 1. 1 Three-phase four-conductor network with grounded neutral conductor 26

7. 2 Circuit breaker 27

7. 3 Supply voltage 27

7. 4 Voltage measurement 28

7. 4. 1 Overvoltage 29

7. 4. 2 Frequency 29

7. 4. 3 Connection variants for voltage measurement 29

7. 5 Current measurement 30

7. 5. 1 Connection variants for current measurement 31

7. 5. 2 Ammeter 32

7. 5. 3 Current direction 32

7. 5. 4 Summation current measurement 32

8. Connection and PC connections 34

8. 1 Connection variants 34

8. 2 RS-485 interface 35

8. 3 Shielding 35

8. 4 Bus structure 36

8. 5 Termination resistors 36

9. Conﬁguration 38

9. 1 Current and voltage transformer 38

9. 2 Device address 39

9. 3 RS-485 39

10. Commissioning 40

10. 1 Measured voltage / supply voltage 40

10. 2 Measured current 41

10. 3 Direction of rotary ﬁeld 42

10. 3. 1 Fundamentals on the phasor diagram 42

10. 3. 2 Checking of voltage and current inputs by means of phasor diagram 43

10. 4 Control of the power measurement 44

10. 5 Checking measurement 44

10. 6 Checking individual power 44

10. 7 Checking summation power 44

10. 8 Energy meters - clearing minimum and maximum values 45

10. 9 Overrange 45

UMG 103-CBM www.janitza.com

10. 10 “Drag indicator" function 46

10. 11 Internal synchronization 46

10. 12 External synchronization 47

10. 13 Recording the measured values 49

10. 14 Comparator 50

11. Service and maintenance 51

11. 1 Repairs and calibration 51

11. 2 Front panel foil 51

11. 3 Service 51

11. 4 Battery 51

11. 5 Device adjustment 51

11. 6 Firmware update 52

12. Procedure in the event of a malfunction 53

13. Technical data 54

13. 1 Technical data 54

13. 2 Measuring accuracy 57

13. 3 Modbus addresses of frequently used measured values 58

13. 3. 1 Number formats 59

13. 3. 2 Note on saving measured values and conﬁguration data 59

13. 4 Dimensional drawings 60

13. 5 Connection example 61

www.janitza.com UMG 103-CBM

UMG 103-CBM www.janitza.com

1. Information on the device and the user manual

1.1 Disclaimer

Compliance with the informational products for

the device is a prerequisite for safe operation and

attaining the stated performance characteristics

and product features.

Janitza electronics GmbH assumes no liability for

bodily injury, material damage or ﬁnancial losses

which result from disregard of the informational

products.

Ensure that your informational products are readily

accessible in a legible form.

1.2 Copyright notice

Any reproduction, processing, distribution or other

use of this informational product, in whole or in

part, is prohibited.

All trademarks and the rights arising from them

are the property of the respective owners of these

rights.

1.3 Technical changes

· Make sure that your device matches the user

manual.

· This user manual applies to the UMG 103-CBM.

· First read and understand the documents associ-

ated with the product.

· Keep the documents associated with the product

available for the entire service life and pass them

on to any possible subsequent users.

· Find out about device revisions and the associat-

ed modiﬁcations of the documentation associat-

ed with your product at www.janitza.de.

1.4 About this user manual

If you have questions, suggestions or ideas for im-

provement of the user manual, please let us know

via email at: [email protected].

INFORMATION

This user manual describes the UMG 103-CBM and

provides information on the operation of the device.

Also consult the additional documentation relevant

for this user manual, such as:

· Installation instructions.

· Data sheet.

· Safety information.

· Online help for the network visualization software

GridVis®.

www.janitza.com UMG 103-CBM

1.5 Defective device/disposal

Before sending defective devices, modules or

components back to the manufacturer for testing:

· Contact the manufacturer's Support department.

· Send devices, modules or components complete

with all accessories.

· When doing so, please bear the terms for trans-

portation in mind.

INFORMATION

Please return defective or damaged devices to

Janitza electronics GmbH in accordance with the

shipping instructions for air or road freight (complete

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

national regulations! Dispose of individual parts, as

applicable, depending on their composition and

existing country-speciﬁc regulations, e.g. as

· Electronic waste,

· Batteries and rechargeable batteries.

· Plastics.

· Metals.

Engage a certiﬁed disposal company to handle

scrapping as needed.

Information on service and maintenance of your

device can be found in chapter „11. Service and

maintenance“ on page 51

UMG 103-CBM www.janitza.com

2. Safety

The chapter on Safety contains information which

must be observed to ensure your personal safety

and avoid material damage.

2.1 Display of warning notices and safety

information

The warning notices shown below

· are found throughout all of the documentation,

· can be found on the devices themselves.

· indicate potential risks and hazards,

· underscore aspects of the information provided

that clariﬁes or simpliﬁes procedures.

The additional symbol on the device itself indicates

an electrical danger that can result in serious inju-

ries or death.

This general warning symbol draws attention to a

possible risk of injury. Be certain to observe all of

the information listed under this symbol in order to

avoid possible injury or even death.

2.2 Hazard levels

Warning and safety information is marked by a

warning symbol, and the hazard levels are shown

as follows, depending on the degree of hazard:

DANGER

Warns of an imminent danger which, if 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 moder-

ate injury.

ATTENTION

Warns of an immediately hazardous situation

which, if not avoided, can result in material or envi-

ronmental damage.

INFORMATION

Indicates procedures in which there is no hazard of

personal injury or material damage.

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