janitza UMG 103-CBM Instruction manual

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. [phone]
Email: [email protected]
www.janitza.com
www.janitza.com

UMG 103-CBM www.janitza.com
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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

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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.

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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

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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

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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

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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
© 2021 - Janitza electronics GmbH - Lahnau.
All rights reserved.
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®.

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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

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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.