janitza UMG 96 RM-M Installationsanleitung Seite 10

Power analyser

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Device short description

The UMG 96 RM-M is a multi-functional

network analyser, which

• measures and calculates electrical variables

such as voltage, current, power, energy,

harmonics, etc. in building installations,

on distribution units, circuit breakers and

busbar trunking systems.

• displays and saves measurement results

and transmits them via interfaces.

Janitza electronics GmbH

Vor dem Polstück 6

NOTE!

D-35633 Lahnau / Germany

For further information on device func-

Support tel. +49 6441 9642-22

tions, data and assembly, see the user

Fax +49 6441 9642-30

e-mail: info@janitza.com

manual.

Website: http://www.janitza.com

Network systems

Connection variants for current measurement I1, I2, I3

Suitable network systems and maximum rated voltages (DIN EN 61010-1/A1):

3p 2i

Three-phase four-conductor systems

with non-earthed neutral conductor

(Addr. 510 = 1)

with earthed neutral conductor

System with equal loading of the

/ U

The measured values for current

L-N

L-L

L-N

L-L

phases. The measured values for

277 VLN / 480 VLL

current measurement input I2 are

measured.

2p 4w

Single-phase, two-conductor systems

three-conductor systems

with earthed neutral conductor

(Addr. 510 = 5)

with earthed neutral conductor

ult

s -

L-N

System with equal loading of the

Measured values derived from

230 VLN

phases. The measured values for

current measurement input I3

current measurement input I2 are

are taken to be 0 and are not

calculated.

Power Analyser

Assembly

UMG 96 RM-M

Install the UMG 96 RM-M in the weatherproof front

Installation manual

panel of switch cabinets.

Cut-out size:

Installation



Device settings



Ensure!

Adequate ventilation

• install the device

vertically!

• adhere to clearances from

neighbouring components!

Fig. Installation situation,

rear view

Damage to property due to

disregard of the installation

Power Analyser

CAUTION!

instructions

Failing to observe the installation instructions can

damage or destroy your device.

Ensure that there is adequate air circulation in your

installation environment; if the ambient temperatures

are high, ensure there is adequate cooling if required.

3p 2i0

3p 3w3

Three-phase four-conductor systems

Three-phase, three-conductor systems

with non-earthed neutral conductor

(Addr. 510 = 2)

(Addr. 510 = 3)

Not earthed

(IT networks)

The measured values for current

/ U

Measurement in the 3-phase

L-N

L-L

L-N

L-L

measurement input I2 are

network with unequal loading.

277 VLN / 480 VLL

480 VLL

calculated.

measurement inputs I2 and I3 are

Separated single-phase,

The device can be used in

1p 2i

1p 2w

three-conductor systems

• 2, 3 and 4 conductor

(Addr. 510 = 6)

(Addr. 510 = 7)

with earthed neutral conductor

networks (TN, TT and

IT networks)

• Residential and

industrial applications

/ U

L-N

L-L

L-N

L-L

Measured values derived from

240 VLN / 480 VLL

current measurement input I3

current measurement inputs I2 and

the phases. The measured values

are taken to be 0 and are not

I3 are taken to be 0 and are not

for the phases that are not created

calculated.

General

Connecting the supply voltage

Disclaimer

The observance of the information products for

The supply voltage level for your device is

the devices is a prerequisite for safe operation

specified on the rating plate.

and to achieve the stipulated performance

After connecting the supply voltage, an indication

characteristics and product characteristics.

Cut-out size:

is shown on the display. If no indication appears,

Janitza electronics GmbH accepts no liability

x 92

check whether the supply voltage is within the

+0.8

for injuries to personnel, property damage

rated voltage range.

or financial losses arising due to a failure to

Ensure!

comply with the information products. Ensure

Adequate ventilation

that your information products are accessible

• install the device

and legible.

vertically!

• adhere to clearances from

Further information can be found on our web-

neighbouring components!

site www.janitza.com at Support > Downloads.

Fig. Installation situation,

User manual:

rear view

User manual:

Fig. Connecting supply voltage.

distribution and any form of exploitation, also

as excerpts, is prohibited.

Subject to technical amendments

WARNING!

• Make sure that your device agrees with the

Serious bodily injury or death can result from:

• Contact with bare or stripped live wires.

• Read and understand first product-related

• Device inputs that are dangerous to touch.

De-energise your device before starting

work! Check that it is de-energised.

Voltage measurement

Bus structure/topology

The UMG 96 RM-M has 3 voltage measurement

inputs and is suitable for various connection variants,

• Connect M-Bus devices in star (1),

3p 3w

with direct connection or via voltage transformer.

Three-phase, three-conductor systems

(Addr. 510 = 4)

with earthed phase

• Each M-Bus device has its own address

• Divide (expand) bus structures into individual

CAUTION!

Disregard of the connection conditions for the

• Up to 250 subscribers can be connected

voltage measurement inputs can result in injuries

or to the device being damaged.

Therefore, note the following:

• The bus structures ensure that the system

• The voltage measurement inputs

Measurement in the 3-phase

L-L

network with equal loading.

240 VLL

• The bus structure is out of operation during

The measured values for current

measurement inputs I2 and I3 are

calculated.

3p 1w

(Addr. 510 = 8)

1. Star structure

• Voltages that exceed the allowed network

• Measured voltages and measured currents

Each M-Bus device is linked to the M-Bus

3 systems with equal loading of

the phases. The measured values

Master. By switching individual devices on and

for the phases that are not created

(L2/L3, L1/L3, L1/L2) for the

off, it is easier to locate the fault.

relevant systems are calculated.

10 / 16

General

Connecting the supply voltage

Disclaimer

The observance of the information products for

The supply voltage level for your device is

the devices is a prerequisite for safe operation

specified on the rating plate.

and to achieve the stipulated performance

After connecting the supply voltage, an indication

characteristics and product characteristics.

is shown on the display. If no indication appears,

Janitza electronics GmbH accepts no liability

check whether the supply voltage is within the

for injuries to personnel, property damage

rated voltage range.

or financial losses arising due to a failure to

comply with the information products. Ensure

that your information products are accessible

Fuse

and legible.

Circuit breaker

Further information can be found on our web-

site www.janitza.com at Support > Downloads.

Fig. Connecting supply voltage.

distribution and any form of exploitation, also

as excerpts, is prohibited.

Risk of injury due

to electric voltage!

Subject to technical amendments

WARNING!

• Make sure that your device agrees with the

Serious bodily injury or death can result from:

installation manual.

• Contact with bare or stripped live wires.

• Read and understand first product-related

• Device inputs that are dangerous to touch.

documents.

De-energise your device before starting

work! Check that it is de-energised.

Voltage measurement

Bus structure/topology

The UMG 96 RM-M has 3 voltage measurement

inputs and is suitable for various connection variants,

2. Line structure

• Connect M-Bus devices in star (1),

with direct connection or via voltage transformer.

line (2) or tree structures (3).

• Each M-Bus device has its own address

Risk of injuries or

within the bus structure.

damage to the device

• Divide (expand) bus structures into individual

CAUTION!

bus segments with repeaters (line amplifiers).

Disregard of the connection conditions for the

• Up to 250 subscribers can be connected

voltage measurement inputs can result in injuries

together in a single bus segment (depending

or to the device being damaged.

on the M-Bus master).

Therefore, note the following:

The M-Bus devices are connected (in series)

• The bus structures ensure that the system

• The voltage measurement inputs

with the M-Bus Master:

remains stable when M-Bus devices are

- must not be occupied with DC voltage.

exchanged.

- must be provided with a suitable, labelled

• The bus structure is out of operation during

fuse that is positioned close by and

a replacement of the M-Bus master.

a circuit breaker (alternatively:

a line safety switch).

- are dangerous to touch.

3. Tree structure

1. Star structure

• Voltages that exceed the allowed network

rated voltages must be connected via

Slave

(Measurement

a voltage transformer.

device)

• Measured voltages and measured currents

Slave

Master

must derive from the same network!

(Measurement

(Central unit)

device)

NOTE!

Slave

(Measurement

As an alternative to the fuse and circuit

device)

The tree structure combines the star and line structure:

breaker, you can use a line safety switch.

Each M-Bus device is linked to the M-Bus

Master. By switching individual devices on and

off, it is easier to locate the fault.

• Keep product supporting documentation

throughout the life available and, where ap-

propriate, to pass on to subsequent users.

Damage to property due to

disregard of the connection

• Please inform yourself about device revisi-

conditions or impermissible

ons and the associated adjustments to the

CAUTION!

product-related documentation on

voltage swells

www.janitza.com.

Your device can be damaged or destroyed

by a failure to comply with the connection

Disposal

conditions or by exceeding the permissible

Please observe national regulations!

voltage range.

If disposing of individual parts, please dispose

Before connecting the device to the supply

of them in accordance with their nature and

voltage, please check:

existing country-specific regulations, for

• Voltage and frequency correspond to the

example as:

details on the ratings plate! Threshold

• Electrical scrap

values stipulated in the user manual have

• Plastics

been complied with!

• Metals

• In building installations, the supply

Or, task a certified disposal business with the

voltage must be protected with a UL/IEC

scrapping.

approved circuit breaker / a fuse!

• The circuit breaker

Relevant laws, applied standards and

- must be easily accessible for the user

directives

and be installed close to the device.

The laws, standards and directives for the

- must be labelled for the relevant device.

device applied by Janitza electronic GmbH

• Do not connect the supply voltage to the

can be found in the declaration of conformity

voltage transformers.

on our website.

• Provide a fuse for the neutral conductor

if the source's neutral conductor

connection is not earthed.

2. Line structure

Master

Fuse (UL/IEC listed)

(Central unit)

Circuit breaker

Slave

(Measurement

Repeater

device)

Slave

(Measurement

device)

The M-Bus devices are connected (in series)

Voltage measurement connection variant 3p 4w

with the M-Bus Master:

(Addr. 509 = 0, standard setting)

• Economical bus structure.

• Observe possible faults due to a voltage

The voltage measurement inputs are designed for

• Observe possible faults due to a voltage

The voltage measurement inputs are designed for

drop in the bus structure!

measurements in low voltage networks, in which

• Faults are difficult to locate.

rated voltages of up to

• Faults are difficult to locate.

rated voltages of up to

• 277 V phase to earth and 480 V phase to phase

in the 4-conductor system or

3. Tree structure

• 480 V phase to phase in the 3-conductor system

Slave

(Measurement

occur.

device)

The measurement and surge voltages meet

Slave

Master

overvoltage category 300 V CATIII.

(Measurement

(Central unit)

device)

NOTE!

Slave

(Measurement

With measurement range exceeding,

device)

the measurement device display shows

The tree structure combines the star and line structure:

"EEE". Further information on this can

• Repeaters divide the bus segments.

be found in the user manual.

• Simple to locate a fault because only individual bus

segments are usually affected in the event of a fault.

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janitza UMG 96 RM-M Installationsanleitung Seite 10

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