EM340 [CARLOGAVAZZI]

Energy Management Energy Meter Type EM340;


型号：	EM340
厂家：	Carlo Gavazzi
描述：	Energy Management Energy Meter Type EM340
文件：	总10页 (文件大小：619K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

Energy Management

Energy Meter

Type EM340

• Three phase energy meter

• Class 1 (kWh) according to EN62053-21

• Class B (kWh) according to EN50470-3

• Accuracy ±0.5% RDG (current/voltage)

• Direct current measurement up to 65AAC

• Backlit LCD display (3x 8-digit) with integrated touch key-pad

• Energy readout on display: 8 digit

• Variable readout on display: 4 digit

• Energy measurement: kWh and kvarh (imported/exported);

kWh+ by 2 tariﬀs; kWh per phase

• System variables: kW, kvar, kVA, VLL, VLN, PF, Hz, kWdmd,

kWdmd peak

• Phase variables: kW, kvar, kVA, VLL, VLN, A, PF

• Self power supply

• Dimensions: 3-DIN module

• Protection degree (front): IP51

• Pulse output (optional, by open collector NPN)

• RS485 Modbus port (optional)

• Compliant with the international accuracy standard IEC/

EN62053-21, and the IEC/EN61557-12 performance

requirements (active power and active energy).

• Other versions available (not certiﬁed, option X): see “how to

order” on the next page

• M-bus port (optional)

• Digital input (for tariﬀ management)

• Easy connection or wrong current direction detection

• Certiﬁed according to MID Directive (option PF only): see

“how to order” below

Product description

Three-phase energy meter applications up to 65 A (direct the imported one. Housing for measured, RS485 Modbus

with backlit LCD display with connection), with dual tariﬀ DIN-rail mounting, with IP51 port or M-bus port. Available

integrated touch keypad. management

Particularly indicated for It can measure imported meter is optionally provided only for imported energy).

active energy metering and exported energy or be with pulse output proportional

and for cost allocation in programmed to consider only to the active energy being

availability. front degree protection. The for legal metrology (PF option,

How to order

Model

Range code

System

EM340 DIN AV2 3 X O1 PF B

Certiﬁed according to MID Directive, Module B

MID _{and Module D of Annex II, for legal metrology}

relevant to active electrical energy meters (see Annex V,

MI003, of MID). Can be used for ﬁscal (legal) metrology.

Power supply

Output

Option

Measurement

Type Selection

Range code

System

Power supply

Output

AV2: 208 to 400 VLL AC -

3-phase, 3 or 4 wire;

2-phase 3 wire

Self power supply

O1: pulse output

5(65)A

-20% +20% of the

rated measuring input

voltage, 45 to 65Hz

S1:

RS485 Modbus port

(Direct connection)

M1: M-bus port

Option

Measurement

PF:

Certiﬁed according to

MID Directive. Can

be used for ﬁscal

(legal) metrology.

The power is always integrated (both in case of positive imported and negative

exported power) and the total energy meter is certiﬁed according to MID. Operating

temperature: from –25 to +55°C/from –13 to +131°F.

Only the total positive energy meter is certiﬁed according to MID. Operating

temperature: from –25 to +55°C/from –13 to +131°F.

A70: The power is always integrated (both in case of positive imported and negative

exported power) and the total energy meter is certiﬁed according to MID. Operating

temperature: from –25 to +70°C/from –13 to +158°F.

B70: Only the total positive energy meter is certiﬁed according to MID. Operating

temperature: from –25 to +70°C/from –13 to +158°F.

Speciﬁcation are subject to change without notice EM340 DS 031120

EM340

How to order

Model

EM340-DIN AV2 3 X O1 X

STANDARD

Range code

System

Power supply

Output

Not certiﬁed according to MID Directive. Cannot be used

for ﬁscal (legal) metrology.

Option

Type Selection

Range code

System

Power supply

Output

AV2: 208 to 400 VLL AC -

5(65)A

3-phase, 3- or 4-wire;

2-phase 3-wire

self power supply

O1: pulse output

-20% +20% of the

rated measuring input

voltage, 45 to 65Hz

S1:

RS485 Modbus port

(Direct connection)

M1: M-bus port

Option

none

Speciﬁcation are subject to change without notice EM340 DS 031120

EM340

Input speciﬁcations

Rated Inputs

Energy additional errors

Current type

3-phase loads, direct

connection

5(65)A

Inﬂuence quantities

According to EN62053-21

Temperature drift

Sampling rate

≤200ppm/°C

4096 samples/s @ 50Hz

4096 samples/s @ 60Hz

Current range

Nominal voltage

Accuracy

(@25°C ±5°C, R.H. ≤60%,

45 to 65 Hz)

208 to 400 VLL AC

Display and touch key-pad

Type

Backlit LCD, 3 rows by

8-digit each, h 7 mm

Energy: 8 digit. Variables: 4

digit

Imin=0.25A; Ib: 5A, Imax:

65A; Un: 113 to 265VLN

(196 to 460VLL)

Imin=0.25A; Ib: 5A, Imax:

65A; from 208 to 400 VLLAC

From 0.04Ib to 0.2Ib:

±(0.5%RDG+1DGT)

From 0.2Ib to Imax:

Read-out

Touch key

Max. and Min. indication

Energies

3 (DOWN, Enter and UP).

Current

Max. 99 999 999

Min. 0.01

Max. 9999

Min. 0.01

Variables

±(0.5%RDG)

Phase-neutral voltage

Phase-phase voltage

Frequency

In the range Un: ±(0.5% RDG)

In the range Un: ±(1% RDG)

Range: 45 to 65Hz.

From 0.05 In to Imax,

within Un range, PF=1:

±(1% RDG)

From 0.1 In to Imax, within

Un range, PF=0.5L or 0.8C:

±(1% RDG)

±[0.001+1%(1.000 - “PF RDG”)]

From 0.05 In to Imax,

within Un range, sinphì=1:

±(2% RDG)

Memory

Energy

10^12 cycles. Energy value

is saved every time the less

signiﬁcant digit increases.

10^12 cycles. When a

parameter is modiﬁed, only

the relevant memory cell is

overwritten

Flashing red light pulses

according to EN50470-3,

EN62052-11, 1000 imp./

kWh (min. period: 90ms)

Fix orange light: wrong

current direction (only with

PFB option or with “B”

measurement selection in

case of X option)

Active power

Programming parameters

LEDs

Power factor

Reactive power

From 0.1 In to Imax, within

Un range, sinphì=0.5L or

0.8C: ±(2% RDG)

Energies

Active energy

Class 1 according to

EN62053-21 Class B

(Class B (kWh) according

to EN50470-3)

Class 2 according to

EN62053-23

20mA

Current overloads

Continuous

For 10ms

65A, @ 50Hz

1950 A

4.5kA 10 ms according to

IEC62052-31:2015

Short circuit withstand

Reactive energy

Start-up current:

Voltage Overloads

Continuous

For 500ms

1.2 Un

2 Un

Self-consumption is not

measured.

Start-up voltage

Resolution

Current

90VLN

Display

0.1 A

Input impedance

230VL-N

120VL-N

1.2Mohm

Voltage

0.1 V

5(65) A

< 1.5 VA per channel

Power

Frequency

Energies (positive)

Energies (negative)

0.01 kW or kVar

0.1 Hz

0.01

0.01 kWh or kvarh

Serial communication

0.001 A

Wrong connection detection Installation guide to

indicate if connections are

correctly carried out. Can

be disabled.

Phase sequence

Indicates if the phase

sequence is not the correct

one (L1-L2-L3)

Current

Voltage

Power

Frequency

Energies (positive)

Energies (negative)

0.1 V

0.1 W or var

0.1Hz

0.001

0.001 kWh or kvarh

Correct current direction

Indicates if the current

direction is not the right one

(only with PFB option or

with type “B” measurement

selection in case of X

Speciﬁcation are subject to change without notice EM340 DS 031120

EM340

Input speciﬁcations (cont.)

option).

The wrong connection

detection works in case of

loads with:

- PF>0.766 (<40°)

power factor if inductive

or PF>0.996 (<5°) if

capacitive

are summed to increase

the total postive energy

totalizer (kWh+), while the

others increase the total

negative totalizer (kWh-).

Ex.

Load conditions

P L1= +2kW, P L2 . +2kW,

P L3 = -3 kW

- a current at least equal to

10% rated current (primary

current transformer)

in every measuring

Integration time = 1 hour

+kWh = (2+2) x1h = 4 kWh

-kWh = 3 x 1h= 3kWh

Energy metering

interval the single phase

energies with positive sign

Digital input speciﬁcations

Digital inputs

Function

Free of voltage contact

Tariﬀ management (switch

between t1-t2)

Overload

In case a voltage is

erroneously applied to the

digital input, the input is not

damaged up to 30 VAC/

DC.

Number of inputs

Contact measurement voltage 5 V

Input impedance

1kohm

Contact resistance

≤1kohm, close contact

≥100kohm, open contact

Output speciﬁcations

RS485 serial port

RS485 by screw

connection.

Protocol

M-bus according to

EN13757-1

Function

For communication

of measured data,

programming parameters

ModBus RTU (slave

function)

Baud rate

Meters in the M-bus network

Primary address

0.3, 2.4, 9.6 kbaud

250

Selectable

Univocally deﬁned in each

unit

Protocol

Secondary address

Baud rate

9.6, 19.2, 38.4, 57.6, 115.2

kbaud,

Identiﬁcation number range from 9000 0000 to 9999

9999

Data format

Address

Driver input capability

even or no parity,

1 to 247 (default: 01)

1/8 unit load. Maximum 247

devices on the

Other

Available functions: wild

card, header, initialisation

SND_NKE, and req_udr

management. Management

of primary address

same bus.

Data refresh time

Read command

1sec

modiﬁcation via M-bus and

reset of partial energy via

M-bus available.

50 words available in 1

read command

Rx/Tx indication

Rx segment on display

is shown when a valid

Modbus command is sent

to that speciﬁc meter

Tx segment on display

is shown when a valid

Modbus reply is sent back

to the master

VIF, VIFE, DIF and DIFE:

see protocoll

Static output

Purpose

For pulse output

proportional to the active

energy (kWh)

Selectable in multiple of

100

Pulse rate

M-bus port

M-bus by screw

connection.

For communication of

measured data

Max 500 or 1500 kWh

according to pulse ON

duration

Function

Speciﬁcation are subject to change without notice EM340 DS 031120

EM340

Output speciﬁcations (cont.)

Pulse ON duration

Output type

Selectable: 30ms or 100 ms

according to EN62052-31

Open collector NPN

Load

V_ON1 VDC max. 100mA

V_OFF80 VDC max.

General speciﬁcations

Operating temperature

Standard compliance

Safety

Metrology

EN62052-11

PF option (standard or with

suﬃxes from 01 to 60)

EN62053-21, EN50470-3.

IEC/EN61557-12 (active

power and active energy,

MID models only).

From –25 to +55°C/from

–13 to +131°F

PF option

(with suﬃxes from 61 to 99)

From –25 to +70°C/from

–13 to +158°F

Approvals

Connections

Cable cross-section area

CE, MID (PF option only)

X option

From –25 to +65°C/from

–13 to +149°F indoor,

(R.H. from 0 to 90% non-

condensing @ 40°C)

Measuring inputs: max.

16 mm², min. 2.5 mm²

with/without metallic

cable ferrule; Max. screw

tightening torque: 2.8 Nm

1.5 mm², Min./Max. screws

tightening torque: 0.4 Nm

Storage temperature

Overvoltage category

From –30 to +80°C/from

–22 to +176°F (R.H. < 90%

non-condensing @ 40°C)

Other terminals

Cat. III

Housing

Utilisation category

Insulation (for 1 minute)

UC2

Dimensions (WxHxD)

Material

54 x 90 x 63 mm

Noryl, self-extinguishing:

UL 94 V-0

4000 VAC RMS between

measuring inputs and

digital/serial output (see

table) 4000 VAC RMS

Sealing covers

Included

Mounting

DIN-rail

Dielectric strength

4000 VAC RMS for 1

minute

Protection degree

Front

IP51

IP20

Screw terminals

EMC

According to EN62052-11

15kV air discharge;

Electrostatic discharges

Immunity to irradiated

electromagnetic ﬁelds

Weight

Approx. 240 g (packing

included)

Test with current: 10V/m

from 80 to 2000MHz;

Test without any current:

30V/m from 80 to

2000MHz;

On current and voltage

measuring inputs circuit:

4kV

Electromagnetic ﬁelds

Burst

Immunity to conducted

disturbances

10V/m from 150KHz to

80MHz

Surge

On current and voltage

measuring inputs circuit:

4kV;

Radio frequency

According to CISPR 22

Speciﬁcation are subject to change without notice EM340 DS 031120

EM340

Power supply speciﬁcations

Self power supply

208 to 400VAC VLL, -20%

+20% 50/60Hz

Power consumption

≤ 1W, ≤ 10VA

Insulation (for 1 minute) between inputs and outputs

Measuring input

Digital or serial output

Digital input

Measuring input

Digital or serial output

Digital input

4 kV

0 kV

4 kV

0 kV

MID compliance (PF option only)

Accuracy

0.9 Un ≤ U ≤ 1.1 Un; 0.98 fn ≤ f ≤ 1.02 fn; fn: 50 Hz;

cosj: 0.5 inductive to 0.8 capacitive.

Class B

Considering listed Ib or In values

Operating temperature PF option (standard or with suﬃxes from 01 to 60): from –25 to +55°C/from –13 to +131°F

PF option (with suﬃxes from 61 to 99): from –25 to +70°C/from –13 to +158°F

X option: from –25 to +65°C/from –13 to +149°F indoor (R.H. from 0 to 90% non-condensing @

40°C)

EMC compliance

Mechanical compliance M2

Accuracy (according to EN50470-3 and EN62053-23)

kWh, accuracy (RDG) depending on the current

kvarh, accuracy (RDG) depending on the current

Error

Percentage error limits for class index B

+1.5%

+1%

+2.5%

+2%

-1%

-2%

-1.5%

-2.5%

PF=1 0.25A(I_min) 0.5A(I_tr) 5A(I_n)

(0.05I_ref) (0,1I )

PF=L0.5

65A(I_max

)

sinj =1 0.25A

(0.05Ib)

0.5A

(0.1Ib)

5A(Ib)

65A(I_max

)

0.5A^r(^eI^f_tr) 5A(I_n)

(0,1I_ref)

sinj=0.5 0.5A

(0.1Ib)

(0.25Ib)

or C0.8

Class 1 accuracy limits (Active energy)

Class 2 accuracy limits (Reactive energy)

5(65)A Start-up current: 20mA

Speciﬁcation are subject to change without notice EM340 DS 031120

EM340

Measurement accuracy according to IEC/EN61557-12 (MID versions)

Active power

Performance class 1

Active energy

Performance class 2

Display pages

1^strow

2^ndrow

3^rdrow

“Full”

mode

“Easy”

mode

Note

kWh+

(imported)

system

In PF version (MID) this is the only certiﬁed energy meter.

In PFA version and in X version with Measurement menu set to

“A”, this is considering the total energy without considering the

current direction.

kWh-

(exported)

system

Only in X version, with Measurement menu set to “B”

kWh+

(imported)

V L-L

system

kWh+

(imported)

V L-N

system

kWh+

(imported)

system

kWh+

(imported)

kvarh+

(imported)

kvar

system

In X version with Measurement menu set to “A”, this is

considering the total positive reactive energy without

considering the current direction.

kvarh-

(exported)

kvar

system

Only in X version, with Measurement menu set to “B”

kWh+

(imported)

kVA

system

kWh+

(imported) peak

kWdmd

kWh (t1)

kWh (t2)

kWh L1

“t1”

system

Only relevant to kWh+, with Tariﬀ menu set to ON.

“t2”

system

kWh L2

kWh L3

In X version with Measurement menu set to “A”, this is

considering the total energy without considering the current

direction. In PFB version and in X version with Measurement

menu set to “B”, this is considering only the imported energy.

kVA L1

kvar L1

PF L1

kVA L2

kvar L2

PF L2

kVA L3

kvar L3

PF L3

V L-N L1 V L-N L2 V L-N L3

V L-L L1

A L1

V L-L L2 V L-L L3

A L2

A L3

kW L1

kW L2

kW L3

X= available

Speciﬁcation are subject to change without notice EM340 DS 031120

EM340

Additional available information on the display

Type

Info 1

Info 2

Description

Year (2016)

Note

Year of production

Serial (dddnnnA)

Serial number (ddd= day of the year; nnn=progressive

number; A= production line, internal use only)

Info 3

Info 4

Rev (A.01)

Puls led

Firmware revision

Led pulsed/kWh

System

System type

Measure

Install

Measurement type

Wrong connection detection

Integration time for Wdmd calculation

Set of variables on display

Tariﬀ enabling

P int

Mode

P10

P11

P12-1

P12-2

P13

P14

P15

P16

Info 5

Tariﬀ

Home

Selected home page

Pulse ON duration

Pulse duration

Pulse rate

Primary address

Address

Kbaud

Pulse rate

M-bus primary address

Modbus serial address

M-bus or Modbus baud rate

Modbus parity

Parity

Secondary address

M-bus secondary address

Wiring diagrams

Two-phase system, 3-wire (F 315mA)

Three-phase system, 3-wire.

Fig.1

Fig.2

Speciﬁcation are subject to change without notice EM340 DS 031120

EM340

Wiring diagrams (cont.)

Digital Input

Fig.4

Three-phase system, 4-wire. (F 315mA)

Fig.3

RS485 Modbus communication port

M-Bus communication port

Fig.5

Fig.6

Additional instruments with RS485 are connected in parallel. The

serial output must only be terminated on the last network device

connecting terminals A- and T. For connections longer than 1000 m

use a signal repeater. Maximum 247 transceivers on the same bus.

Pulse output (two possible connecꢀons)

Fig.7

Vdc Out GND

Vdc GND Out

Speciﬁcation are subject to change without notice EM340 DS 031120

EM340

Front panel description

1. Display

Backlit LCD display with touch key-pad.

2. LED

LED proportional to kWh reading

3. Serial number

Area reserved to serial number and MID-relevant data in

PF versions

Dimensions

Speciﬁcation are subject to change without notice EM340 DS 031120

EM340 [CARLOGAVAZZI]

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