janitza UMG 103-CBM Installationsanleitung Seite 7

General General
1 1
Brief description of device
3
Disclaimer Disclaimer
The observance of the information products for The observance of the information products for
The device is a universal measurement
the devices is a prerequisite for safe operation the devices is a prerequisite for safe operation
device for low voltage distribution systems,
and to achieve the stipulated performance and to achieve the stipulated performance
which
characteristics and product characteristics. characteristics and product characteristics.
• measures and calculates electrical variables
Janitza electronics GmbH accepts no liability Janitza electronics GmbH accepts no liability
such as voltage, current, power, energy,
for injuries to personnel, property damage for injuries to personnel, property damage
harmonics, etc. in building installations, on
or financial losses arising due to a failure to or financial losses arising due to a failure to
distribution units, circuit breakers and busbar
comply with the information products. Ensure comply with the information products. Ensure
trunking systems.
that your information products are accessible that your information products are accessible
• transmits measurement results via interface.
and legible. and legible.
Further information can be found on our web- Further information can be found on our web-
site www.janitza.com at Support > Downloads. site www.janitza.com at Support > Downloads.
Copyright notice Copyright notice
© 2016 - Janitza electronics GmbH - Lahnau. © 2016 - Janitza electronics GmbH - Lahnau.
All rights reserved. Duplication, editing, All rights reserved. Duplication, editing,
distribution and any form of exploitation, also distribution and any form of exploitation, also
as excerpts, is prohibited. as excerpts, is prohibited.
Subject to technical amendments Subject to technical amendments
• Make sure that your device agrees with the • Make sure that your device agrees with the
installation manual. installation manual.
• Read and understand first product-related • Read and understand first product-related
documents. documents.
C C
NOTE!
For further information on device functions, data and assembly, see the user manual.
Mains systems Mains systems
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Current measurement
8
Suitable mains systems and max. rated voltages (DIN EN 61010-1/A1): Suitable mains systems and max. rated voltages (DIN EN 61010-1/A1):
The device
Three-phase, four-conductor systems Three-phase, four-conductor systems Three-phase, four-conductor systems
• is only approved for measuring current with
with earthed neutral conductor with earthed neutral conductor with non-earthed neutral conductor
a current transformer.
L1 L1 L1 L1
• is intended for the connection of current
L2 L2 L2 L2
transformers with secondary currents of
../1 A and ../5 A.
N N N N
• has the current transformer ratio set to 5/5 A
as standard.
R
• The current transformers must have a base
L3 L3 L3 L3
insulation according to IEC 61010-1: 2010
E E E E E E E E E E E
for the nominal voltage of the circuit.
Connect in this grid system,
c c
U / U U / U
L-N L-L L-N L-L
Danger of injury due to
the device only using a voltage
277 VLN / 480 VLL 277 VLN / 480 VLL
electrical voltage!
WARNING!
L1 L1 L1 L1
Serious bodily injury or death
The device can be used in The device can be used in
can result from:
• TN and TT networks • TN and TT networks
• Contact with bare or stripped live wires.
• in residential and industrial applications. • in residential and industrial applications.
• Current measurement inputs on the device
and on the current transformer that are
dangerous to touch.
Render the system free of voltage before L2 L2 L2 L2
E E E E E E E E E E
starting work! Check the system is free of
electrical energy!
Earth the system! Use the earth connection
points with earthing symbols for this!
Earth the secondary windings of current
transformers and all of the metal parts of
the transformer that could be touched!
Assembly
• Keep product supporting documentation • Keep product supporting documentation
throughout the life available and, where ap- throughout the life available and, where ap-
The device will be installed in switch cabinets or
propriate, to pass on to subsequent users. propriate, to pass on to subsequent users.
in small installation distributors per DIN 43880
• Please inform yourself about device revisi- • Please inform yourself about device revisi-
on a 35 mm mounting rail per DIN EN 60715.
ons and the associated adjustments to the ons and the associated adjustments to the
• The device fulfils the application conditions
product-related documentation on product-related documentation on
of DIN IEC 60721-3-3 and is intended for
www.janitza.com. www.janitza.com.
permanent installation in locations that are
protected from the weather.
Disposal Disposal
• It can be installed in any mounting position.
Please observe national regulations! Please observe national regulations!
• Forced ventilation is not required.
If disposing of individual parts, please dispose If disposing of individual parts, please dispose
of them in accordance with their nature and of them in accordance with their nature and
existing country-specific regulations, for existing country-specific regulations, for
example as: example as:
• Electrical scrap • Electrical scrap
• Plastics • Plastics
• Metals • Metals
Or, task a certified disposal business with the Or, task a certified disposal business with the
scrapping. scrapping.
Relevant laws, applied standards and Relevant laws, applied standards and
Fig. Device on
directives directives
mounting rail per
The laws, standards and directives for the The laws, standards and directives for the
DIN EN 60715.
device applied by Janitza electronic GmbH device applied by Janitza electronic GmbH
can be found in the declaration of conformity can be found in the declaration of conformity
on our website. on our website.
Connection "Current measurement via current
transformers".
L3
S 1 S 2
Three-phase, four-conductor systems
with non-earthed neutral conductor
L2
S 1 S 2
Consumer
L1 L1 L1 L1 L1 L1 L1 L1
L1
L2 L2 L2 L2
S 1 S 2
N N N N
C
R R R
L2 L2 L2 L2
L3 L3 L3 L3 L3 L3 L3 L3
E E E E E E E E E E E E E E E E
Connect in this grid system,
the device only using a voltage
transformer! transformer! c c
Danger of injury due
to high currents and high
L L L L L1 L1 L1 L1
electrical voltages!
WARNING!
Current transformers operating with an open
secondary circuit (high voltage peaks) can N N N N
result in serious or even fatal injuries.
Avoid open operation of the current transformers
- short-circuit unloaded transformers!
N N N N L2 L2 L2 L2
E E E E E E E E E E E E E E
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NOTE!
• Further information on current trans-
formers can be found in the user
manual.
• Current transformer ratios can be
configured via the software.
Safety Safety
2 2
Connecting the supply voltage
4
Safety information Safety information
The installation manual does not represent a full The installation manual does not represent a full
The device derives its supply voltage from the
listing of all necessary safety measures required listing of all necessary safety measures required
measurement voltage L1-N, L2-N and L3-N.
for safe operation of the device. for safe operation of the device.
In doing so, at least one phase lies within the
Certain operating conditions may require further Certain operating conditions may require further
nominal voltage range.
measures. The installation manual contains measures. The installation manual contains
The device requires a voltage of at least 100 V
information that you must observe for your information that you must observe for your
in at least one phase (L-N) for operation.
own personal safety and to avoid damage to own personal safety and to avoid damage to
property. property.
c c
Symbols used: Symbols used:
WARNING!
c c c c
Serious bodily injury or death can result from:
• Contact with bare or stripped live wires.
• Device inputs that are dangerous to touch.
m m m m
Render the system free of voltage before
starting work! Check the system is free of
electrical energy!
C C C C
Safety instructions are highlighted with Safety instructions are highlighted with
a warning triangle and shown as follows, a warning triangle and shown as follows,
depending on the degree of hazard: depending on the degree of hazard:
Voltage measurement Voltage measurement
6 6
Connection variants for current measurement
9
The device derives its supply voltage from the The device derives its supply voltage from the
measured voltage. measured voltage.
Three-phase, four-conductor
L1 L1 L1 L1
m m m m
A B
L2 L2 L2 L2
L3 L3 L3 L3
CAUTION! CAUTION!
E E E E E
Disregard of the connection conditions for Disregard of the connection conditions for
the voltage measurement inputs can result in Current measurement via current the voltage measurement inputs can result in
transformer in three-phase,
injuries or to the device being damaged. injuries or to the device being damaged.
four-conductor system
For this reason, note that: For this reason, note that:
• The voltage measurement inputs • The voltage measurement inputs
- are not connected to DC voltage. - are not connected to DC voltage.
four-conductor system
- are equipped with a suitable, labelled - are equipped with a suitable, labelled
fuse located in the vicinity and
isolation device (alternative: circuit
breaker) located nearby.
- are dangerous to touch. - are dangerous to touch.
• Voltages that exceed the allowed rated • Voltages that exceed the allowed rated
network voltages must be connected via network voltages must be connected via
a voltage transformer. a voltage transformer.
• Measured voltages and measured currents • Measured voltages and measured currents
must derive from the same network. must derive from the same network.
Current measurement via
2 current transformers in three-
phase, four-conductor system
7 / 10 7 / 10
m m
DANGER! DANGER!
m m
eff
WARNING! WARNING!
m m
Danger of injury due to
electrical voltage!
This symbol is used as an addition This symbol is used as an addition
CAUTION! CAUTION!
to the safety instructions and to the safety instructions and
warns of an electrical hazard. warns of an electrical hazard. Measures for safety Measures for safety
When operating electrical devices certain parts When operating electrical devices certain parts
This symbol is used as an addition This symbol is used as an addition
of these devices inevitable carry dangerous of these devices inevitable carry dangerous
to the safety instructions and to the safety instructions and
voltages. This could result in serious bodily voltages. This could result in serious bodily
warns of a potential hazard. warns of a potential hazard.
injury or damage to property if not handled injury or damage to property if not handled
This symbol with the word NOTE! This symbol with the word NOTE!
properly: properly:
describes: describes:
• Before establishing electrical connections • Before establishing electrical connections
• Procedures that do not entail • Procedures that do not entail
to the device, earth it at the ground wire
any danger of injury. any danger of injury.
connection if there is one.
• Important information, • Important information,
• Hazardous voltages may arise in all circuit • Hazardous voltages may arise in all circuit
procedures or handling steps. procedures or handling steps.
parts that are connected to the power supply.
• Even after disconnecting the supply voltage, • Even after disconnecting the supply voltage,
there may still be hazardous voltages
present in the device (capacitor storage).
Connection variant "Direct voltage measurement
in the three-phase, four-conductor system".
C C
Single-phase, three-conductor
system system
S1 S2 S1 S2
S1 S2
S1 S2
S1 S2
N
Danger of injury or damage Danger of injury or damage
L3
to the device to the device
L2
L1
Current measurement in the
• The device measures voltages L-N up to 277 V • The device measures voltages L-N up to 277 V
single-phase, three-conductor
system
and L-L up to 480 V.
• The measurement and surge voltages meet • The measurement and surge voltages meet
overvoltage category 300 V CATIII.
Three-phase,
fuse located in the vicinity and
isolation device (alternative: circuit
breaker) located nearby.
C C C C
NOTE!
m m
Indicates an immediately Indicates an immediately
threatening hazard that leads to threatening hazard that leads to
Damage to property due to
m m
serious or even fatal injuries. serious or even fatal injuries.
disregard of the connection
conditions or impermissible
CAUTION!
m m
overvoltage!
Indicates a potentially hazardous Indicates a potentially hazardous
situation that could lead to situation that could lead to
Your device can be damaged or destroyed
serious or even fatal injuries. serious or even fatal injuries.
by a failure to comply with the connection
conditions or by exceeding the permissible
m m
voltage range.
Indicates a potentially hazardous Indicates a potentially hazardous
Before connecting the device to the supply
situation that could lead to minor situation that could lead to minor
voltage, please check:
injuries or damage to property. injuries or damage to property.
• Voltage and frequency correspond to the
details on the ratings plate! Limit values
stipulated in the user manual have been
complied with!
• In building installations, the supply
voltage must be protected with a UL/IEC
approved circuit breaker / a fuse!
• The isolation device
- must be installed near the device
to the device, earth it at the ground wire
and in a location that is easily
connection if there is one.
accessible for the user.
- must be labelled to identify the
parts that are connected to the power supply.
respective device.
• Provide a fuse for the neutral conductor
there may still be hazardous voltages
if the neutral conductor terminal of the
present in the device (capacitor storage).
source is not grounded.
Connection variant "Direct voltage measurement
in the three-phase, four-conductor system".
NOTE!
If the range is exceeded, the red LED
flashes. (see Step „connections and
control elements")
Disconnectors Disconnectors
Fuse (UL/IEC listed) Fuse (UL/IEC listed)
N
L3
Load Load
L2
L1
and L-L up to 480 V.
overvoltage category 300 V CATIII.
NOTE!
• A circuit breaker can be used as an al- • A circuit breaker can be used as an al-
ternative to a fuse and isolating device. ternative to a fuse and isolating device.
• If the range is exceeded, the red LED • If the range is exceeded, the red LED
flashes (see step „connections and flashes (see step „connections and
controls"). controls").
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