janitza UMG 96 RM-M Installationsanleitung Seite 11

Power analyser

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Device short description

Voltage measurement connection variants

The UMG 96 RM-M is a multi-functional

network analyser, which

3p 4w

• measures and calculates electrical variables

(Addr. 509 = 0, standard setting)

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.

Measurement with 3 phase

conductors and neutral conductor.

d for

hich

1p 2w1

(Addr. 509 = 4)

phase

ystem

NOTE!

For further information on device func-

tions, data and assembly, see the user

manual.

Measured values derived from

System with equal loading of the

voltage measurement inputs V2

phases. The measured values of

and V3 are taken to be 0 and are

the voltage measurement input V2

not calculated.

Connection variants for current measurement I1, I2, I3

3p 2i

(Addr. 510 = 1)

With the primary or secondary device address, you

obtain data regarding the M-Bus interface from the

parameter list and measured value list.

NOTE!

For the parameter list with addresses and

setting ranges and a measured value list,

see the device's user manual.

Changes to the values of the device addresses are

System with equal loading of the

Changes to the values of the device addresses are

System with equal loading of the

The measured values for current

phases. The measured values for

not possible via the M-Bus.

current measurement input I2 are

measured.

The standard setting of the primary device address

2p 4w

is "1" (see step 17).

(Addr. 510 = 5)

M-Bus device features:

• Addressing via primary and secondary device

address in the range from 0 - 250.

• Selectable number of data points (0 - 27)

• Supports protocol types:

- SND_NKE/$E5

- REQ_UD2/RSP_UD2

• Slave search: Search on M-Bus

System with equal loading of the

Measured values derived from

phases. The measured values for

current measurement input I3

current measurement input I2 are

are taken to be 0 and are not

calculated.

Assembly

Install the UMG 96 RM-M in the weatherproof front

panel of switch cabinets.

3p 4wu

3p 4u

(Addr. 509 = 1)

(Addr. 509 = 2)

Cut-out size:

Ensure!

Adequate ventilation

• install the device

• adhere to clearances from

Measurement via voltage

Measurement with 3 phase

transformer with 3 phase

conductors without neutral

Fig. Installation situation,

conductors and a neutral

conductor. Measured values which

rear view

conductor.

require an N, use a calculated N.

conductor. Measured values which

2p 4w

1p 2w

(Addr. 509 = 3)

(Addr. 509 = 6)

Damage to property due to

disregard of the installation

instructions

CAUTION!

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.

System with equal loading of the

TN-C system with 1-phase, three-

phases. The measured values of

conductor connection. Measured

the voltage measurement input V2

values derived from voltage

for the phases that are not created

are calculated.

measurement input V3 are taken to

be 0 and are not calculated.

3p 2i0

3p 3w3

(Addr. 510 = 2)

(Addr. 510 = 3)

Number of data points (addr. 080)

Each data point is assigned to a certain measured

value (see "List of the data points"). In order

to determine the number of data points for the

telegram RSP_UD2, configure address 080:

Address:

080

Meaning:

Number of data points

Setting range:

0 to 27

Default setting:

0 (= all data points)

The measured values for current

Measurement in the 3-phase

measurement input I2 are

network with unequal loading.

calculated.

Example: Read out data points 1 to 6

• Choose setting 6 for the address 080.

• With each request the device transmits all data

1p 2i

1p 2w

points up to and including data point 6.

(Addr. 510 = 6)

(Addr. 510 = 7)

Example: Read data point 10

• Choose setting 10 for the address 080.

• With each request the device transmits all data

points up to and including data point 10.

• Do not neglect the required data points.

Measured values derived from

current measurement input I3

current measurement inputs I2 and

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.

Connecting the supply voltage

Current measurement I1, I2, I3

The supply voltage level for your device is

specified on the rating plate.

The UMG 96 RM-M

3p 2u

After connecting the supply voltage, an indication

• enables current measurements via current

(Addr. 509 = 5)

Cut-out size:

is shown on the display. If no indication appears,

+0.8

x 92

+0.8

x 92

+0.8

check whether the supply voltage is within the

• enables the connection of current transformers

rated voltage range.

Ensure!

• has the current transformer ratio 5/5 A set as

Adequate ventilation

• install the device

• measures AC currents, does not measure DC

vertically!

• adhere to clearances from

neighbouring components!

Measurement via voltage

transformer with 3 phase

Fig. Installation situation,

conductors without neutral

rear view

conductor. Measured values which

require an N, use a calculated N.

WARNING!

Fig. Connecting supply voltage.

3p 1w

Serious bodily injury or death can result from:

(Addr. 509 = 7)

WARNING!

Serious bodily injury or death can result from:

De-energise your device before starting

• Contact with bare or stripped live wires.

work! Check that it is de-energised.

• Device inputs that are dangerous to touch.

Earth your system! Use the earth connection

De-energise your device before starting

points with earthing symbols for this!

work! Check that it is de-energised.

Earth the secondary windings of current

3 systems with equal loading of

transformers and all of the metal parts of the

the phases. The measured values

transformer that could be touched!

for the phases that are not created

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

relevant systems are calculated.

Bus structure/topology

List of the data points

• Connect M-Bus devices in star (1),

3p 3w

(Addr. 510 = 4)

• Each M-Bus device has its own address

• Divide (expand) bus structures into individual

• Up to 250 subscribers can be connected

080

Number of data points

• The bus structures ensure that the system

0 to 27

0 (= all data points)

Measurement in the 3-phase

network with equal loading.

The measured values for current

• The bus structure is out of operation during

measurement inputs I2 and I3 are

calculated.

3p 1w

(Addr. 510 = 8)

1. Star structure

3 systems with equal loading of

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

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.

11 / 16

Connecting the supply voltage

Current measurement I1, I2, I3

The supply voltage level for your device is

specified on the rating plate.

The UMG 96 RM-M

After connecting the supply voltage, an indication

• enables current measurements via current

is shown on the display. If no indication appears,

transformer only.

check whether the supply voltage is within the

• enables the connection of current transformers

rated voltage range.

with secondary currents of ../1 A and ../5 A.

• has the current transformer ratio 5/5 A set as

standard.

Fuse

• measures AC currents, does not measure DC

currents!

Circuit breaker

Risk of injury due

to electric voltage!

WARNING!

Fig. Connecting supply voltage.

Serious bodily injury or death can result from:

• Contact with bare or stripped live wires.

Risk of injury due

• Current measurement inputs that are

to electric voltage!

dangerous to touch on the device and on the

WARNING!

current transformers.

Serious bodily injury or death can result from:

De-energise your device before starting

• Contact with bare or stripped live wires.

work! Check that it is de-energised.

• Device inputs that are dangerous to touch.

Earth your system! Use the earth connection

De-energise your device before starting

points with earthing symbols for this!

work! Check that it is de-energised.

Earth the secondary windings of current

transformers and all of the metal parts of the

transformer that could be touched!

Bus structure/topology

List of the data points

• Connect M-Bus devices in star (1),

line (2) or tree structures (3).

Data points

Description

• Each M-Bus device has its own address

Active energy, without backstop

within the bus structure.

Active energy, applied

• Divide (expand) bus structures into individual

Active energy, supplied

bus segments with repeaters (line amplifiers).

Reactive energy, inductive

• Up to 250 subscribers can be connected

Reactive energy, capacitive

together in a single bus segment (depending

Reactive energy, without backstop

on the M-Bus master).

Apparent energy

• The bus structures ensure that the system

Running time, comparator 1a

remains stable when M-Bus devices are

Running time, comparator 1b

exchanged.

Running time, comparator 1c

• The bus structure is out of operation during

Running time, comparator 2a

a replacement of the M-Bus master.

Running time, comparator 2b

Running time, comparator 2c

Operating hours counter

1. Star structure

I_total

P_total

Slave

Q_total, fundamental oscillation

(Measurement

Q_total, fundamental oscillation

(Measurement

device)

S_total

Slave

Uln - Phase L1

Master

(Measurement

(Central unit)

device)

Uln - Phase L2

device)

Uln - Phase L3

Slave

(Measurement

I - Phase L1

device)

I - Phase L2

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

I - Phase L3

Master. By switching individual devices on and

P - Phase L1

off, it is easier to locate the fault.

P - Phase L2

P - Phase L3

Damage to property due to

Connection variant 3p 4w current measurement

disregard of the connection

(I1, I2, I3) via current transformer (Addr. 510 = 0,

conditions or impermissible

standard setting).

CAUTION!

voltage swells

Your device can be damaged or destroyed

by a failure to comply with the connection

conditions or by exceeding the permissible

voltage range.

Before connecting the device to the supply

voltage, please check:

Load

• Voltage and frequency correspond to the

details on the ratings plate! Threshold

values stipulated in the user manual have

been complied with!

• In building installations, the supply

voltage must be protected with a UL/IEC

Risk of injury due to

approved circuit breaker / a fuse!

large currents and high

• The circuit breaker

electric voltages!

WARNING!

- must be easily accessible for the user

Current transformers operating with an open

and be installed close to the device.

secondary circuit (high voltage peaks) can result

- must be labelled for the relevant device.

in serious or even fatal injuries.

• Do not connect the supply voltage to the

Avoid open operation of the current transformers -

voltage transformers.

short-circuit unloaded transformers!

• Provide a fuse for the neutral conductor

if the source's neutral conductor

NOTE!

connection is not earthed.

Information on current data and current

transformer data can be found in the user

manual.

2. Line structure

Master

Unit

Resolution

Device

Format Byte

(Central unit)

Slave

Repeater

(Measurement

device)

varh

Slave

varh

(Measurement

device)

varh

The M-Bus devices are connected (in series)

VAh

The M-Bus devices are connected (in series)

VAh

sec

with the M-Bus Master:

• Economical bus structure.

sec

• Economical bus structure.

sec

• Observe possible faults due to a voltage

sec

drop in the bus structure!

sec

• Faults are difficult to locate.

sec

3. Tree structure

Slave

(Measurement

device)

var

Slave

Master

(Measurement

(Central unit)

100

device)

100

Slave

(Measurement

100

(Measurement

device)

The tree structure combines the star and line structure:

• Repeaters divide the bus segments.

• Simple to locate a fault because only individual bus

segments are usually affected in the event of a fault.

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