Vemer Energy-400 PAR Manual

Vemer Måling Energy-400 PAR

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User Manual

ACTIVE AND REACTIVE ENERGY METER

Read all the instructions carefully

The ENERGY-400 PAR is a electronic static device to read active and reactive energy in

three-phase systems designed to operate in environments with measurement category III and

pollution level 2 according to EN 61010-1 standard.

SAFETY WARNINGS

To guarantee correct installation, proceed as follows:

1) The appliance should be installed by a qualified operator

2) The appliance should be installed in a panel in such a way as to guarantee that the

terminals are inaccessible after fitting

3) A protection device against over-currents should be installed in the electrical system,

upstream of the energy meter

4) Connect the instrument as shown in box B)

5) Before touching the connector terminals make sure that the wires to be connected or

already connected to the instrument are not live

6) Touch the dip-switches only when the instrument is not powered

7) Do not power or connect the instrument if any part of it is damaged

8) The instrument must be installed and activated in compliance with current electric

system standards.

Code Model Description

VN971800 ENERGY-400 PAR Three-phase active and reactive energy meter

TECHNICAL SPECIFICATIONS

• Power supply: 3x230 V AC phase-neutral (400VAC phase-phase) (-15% ÷ +10%)

• Frequency: 50/60 Hz

• Rated current: 5 A

• Maximum current: 6 A

• Minimum start-up current: 15 mA

• Maximum power consumption:

- voltage circuits < 2,5 VA

- current circuits < 2,5 VA

• Meter constant: 1 imp = ¼ kWh

• Voltage inputs: input impedance = 2 M1

• Current inputs: coils with galvanic insulation between primary and secondary

• Two optic insulated impulse output:

- impulse duration < 100 ms

- voltage 9÷24 V DC

- current < 20 mA

• Insulation:

- reinforced between impulse output and other terminals

- reinforced between terminals and parts accessible after installation

• CT available: 5-10-25-50-75-100-125-150-200-250-300-400-500-600-800 1000/5 A

• Operating temperature: -10 °C ÷ +45 °C

• Storage temperature: -25°C ÷ + 70 °C

• Relative humidity: 10÷90% non condensing

• Class index:

- class A (EN 50470) for active Energy

- class 3 (EN 62053-23) for reactive energy

• Container: 4 module DIN

• Protection level: IP20 / IP40 on the front

INSTRUMENT DESCRIPTION

Dip-switch for CT setting

: lights up to indicate power onGreen warning light

Two red warning light: flashes to indicate that the instrument is metering energy

(1 flash = ¼ kWh or ¼ kvarh)

Yellow warning light: when lit the instrument detects ¼ kWh negative (probable

incorrect entry) and remains lit until ¼ kWh positive is detected

Check the insertion of CT: connect L1, L2, L3 from power panel to P1 of CT and

connect P2 of CT to the load.

Impulse output: Optically insulated

Two electro-mechanical impulse counters: resolution 1 kWh or 1 kvarh

GUIDE TO INSTALLATION

1) Before installing the instrument, select the CT transformation ratio, as shown in the

diagram in box (C)

2) The amperometrical measure terminals are galvanically insulated, therefore the CT

secondary circuit may be connected to earth

3) (B) The instrument should be connected as shown in box in accordance with the CT

current directions

4) If the error is to fall within the class limits of the instrument, it is necessary to use the

current transformer in its linear operating field.

(1) Undetermined error zone

-1%

-2%

2,5%

-2,5%

(1)

0,1 A 0,25 A 5 A

6 A

I max

-1%

-2%

2,5%

-2,5%

(1)

0,1 A 0,25 A 0,5 A 5 A

6 A

I max

-1%

-2%

-4%

(1)

0,1 A 0,25 A 0,5 A 5 A

6 A

I max

-3%

-1%

-2%

-4%

(1)

0,1 A 0,25 A 5 A

6 A

I max

-3%

cos = 0,5 sen = 0,5

cos nes1 = = 1

W VAR

5) If the instrument is active the power should be switched off to change the CT ratio.

6) In case of changes to the dip-switch with the instrument actived, these locks in fault

condition with red and green lights always on. In this condition the instrument doesn’t

coun.

To restore the correct operation, reposition the DIP switches in the initial condition or

reset the instrument by removing and restoring power.

REFERENCE STANDARDS

Conformity to EU directive:

2004/22/EC (MID)

2006/95/EC (Low Voltage - LVD)

is declared with reference to the following harmonised standards:

EN 61010-1

EN 50470-1 and EN 50470-3

EN 62053-23

Dimensions (A)

Connection diagrams (B)

Instrument description (C)

x/5 A1 23 4 x/5 A1 2 3 4

ON OFF

200

250

300

400

100

125

150

500

600

800

1000

V3IS00290-100

Mod. ENERGY-400 PAR

3

3

3



    



   



3 CT connection WITH or WITHOUT neutral (3 or 4 wires)

3

3

3



Pulse output



20 mA

9÷24 VCC

1 kWh/pulse

1 kvarh/pulse

Pulse output



20 mA

9÷24 VCC























3

3

3

3

3

3

2 CT connection WITHOUT neutral (3 wires)



1 kWh/pulse

1 kvarh/pulse

P1 P2

S1 S2

 





1 461 2 3 1 460 0 0

Produkt Specifikationer

Mærke:	Vemer
Kategori:	Måling
Model:	Energy-400 PAR

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