EM2172DAV63XOSX - CARLO GAVAZZI

Specifications are subject to change without notice EM2172D DS ENG 190210 1

•Class B (kWh) according to EN50470-3

•Class 1 (kWh) according to EN62053-21

•Class 2 (kvarh) according to EN62053-23

•Accuracy ±0.5 RDG (current/voltage)

•Energy meter

•Instantaneous variables readout: 3 DGT

•Energies readout: 6+1 DGT

•

System variables: W, var, PF, Hz, Phase-sequence.

•Single phase variables: VLL,VLN,A, PF

•Energy measurements: total kWh and kvarh

•TRMS measurements of distorted sine waves

(voltages/currents)

•Self power supply

•Dimensions: 4-DIN modules and 72x72mm

•Protection degree (front): IP50

•Application adaptable display and programming

procedure (Easyprog function)

•Easy connections management

• Detachable display

• Multi-use housing: for both DIN-rail and panel

mounting applications

Product Description

Three-phase energy meter

with removable front LCD

display unit. The same unit

can be used either as a

DIN-rail mounting or a pan-

el mounting energy meter.

This general purpose three-

phase energy meter is suit-

able for both active and

reactive energy metering

for cost allocation but also

for main electrical parame-

ter measurement and

retransmission (transducer

function). Housing for DIN-

rail mounting with IP50

Energy Management

Energy Meter

Type EM21 72D

•Certified according to MID Directive, Annex "B"

"Type examination" relevant to active electrical energy

meters (see Annex MI-003), see option “P” below

•Certified according to MID Directive, Annex "B"

+Annex "F" for legal metrology relevant to active

electrical energy meters (see Annex MI-003), see

option “PF” below.

(front) protection degree.

Current measurements car-

ried out by means of exter-

nal current transformers

and voltage measurements

carried out either by means

of direct connection or by

means of potential trans-

formers. EM21-72D is pro-

vided, as standard, with a

pulsating output for active

energy retransmission. In

addition a 2-wire RS485

communication port is

available as an option.

Model

Range code

System

Power supply

Output 1

Output 2

Option

How to order

EM21 72D AV5 3 X O X X

Type Selection

Range codes

AV5 (*): 400VLL AC, 5(6)A or

1(6)A (***)

(CT connection)

AV6 (**):120VLN/230VLL AC

5(6)A or 1(6)A (***)

(VT/PT and

CT connections)

Options

X(*): None

Certified according

to MID Directive,

Annex "B" "Type

examination" relevant

to active electrical

energy meters (see

Annex MI-003) (*)

PF:

Certified according

to MID Directive,

Annex "B" + Annex

"F" for legal metrolo-

gy relevant to active

electrical energy

meters (see Annex

MI-003) (**)

System

3(*): balanced and

unbalanced load:

3-phase, 4-wire;

3-phase, 3-wire;

2-phase, 3-wire;

1-phase, 2-wire

Output 1

O(*): Single static output

(opto-mosfet)

Power supply

X(*): Self power supply

from 18V to 260VAC

VLN, 45 to 65 Hz

(connection VL1-N)

Output 2

X(*): None

S(**): RS485 port

(*) as standard.

(**) on request.

(***) the range 1(6)A

is available but not in

compliance with the

EN50470-3 standard.

2Specifications aresubject to change without notice EM2172D DS ENG 190210

EM21 72D

Rated inputs System type: 3

Current type Not isolated (shunt inputs).

Note: the external current

transformers can be con-

nected to earth individually.

Current range (by CT) AV5 and AV6: 5(6)A. The

“1(6)A” range is available

but not in compliance with

the EN50470-3 standard.

Voltage (direct or by VT/PT) AV5: 400VLL;

AV6: 120/230VLL

Accuracy (Display + RS485) In: see below, Un: see below

(@25°C ±5°C, R.H. ≤60%,

48 to 62 Hz)

AV5 model In: 5A, Imax: 6A; Un: 160 to

260VLN (277 to 450VLL).

AV6 model In: 5A, Imax: 6A; Un: 40 to

144VLN (70 to 250VLL).

Current AV5, AV6 models From 0.002In to 0.2In:

±(0.5% RDG +3DGT).

From 0.2In to Imax:

±(0.5% RDG +1DGT).

Phase-neutral voltage In the range Un: ±(0,5%

RDG +1DGT).

Phase-phase voltage In the range Un: ±(1% RDG

+1DGT).

Frequency Range: 45 to 65Hz;

resolution: ±1Hz

Active power ±(1%RDG +2DGT).

Power Factor ±[0.001+1%(1.000 - “PF

RDG”)].

Reactive power ±(2%RDG +2DGT).

Active energy class B according to

EN50470-1-3;

class 1 according to

EN62053-21.

Reactive energy class 2 according to

EN62053-23.

In: 5A, Imax: 6A; 0.1 In:

0.5A.

Start up current: 10mA.

Energy additional errors

Influence quantities According to EN62053-21,

EN50470-1-3, EN62053-23

Temperature drift ≤200ppm/°C.

Sampling rate 1600 samples/s @ 50Hz,

1900 samples/s @ 60Hz

Display refresh time 1second

Display 2lines

1st line: 7-DGT,

2nd line: 3-DGT or

1st line: 3-DGT + 3-DGT,

2nd line: 3-DGT.

Type LCD, h 7mm.

Instantaneous variables read-out 3-DGT.

Energies Imported Total: 6+1DGT or

7DGT

Overload status EEE indication when the

value being measured is

exceeding the “Continuous

inputs overload” (maximum

measurement capacity)

Max. and Min. indication Max. instantaneous vari-

ables: 999; energies:

999 999.9 or 9 999 999.

Min. instantaneous vari-

ables: 0; energies 0.0.

LEDs Red LED (Energy con-

sumption)

0.001 kWh by pulse if CT

ratio x VT ratio is <7;

0.01 kWh by pulse if CT

ratio x VT ratio is ≥7.0

<70.0;

0.1 kWh by pulse if CT

ratio x VT ratio is ≥70.0

<700.0;

1kWh by pulse if CT ratio

xVT ratio is ≥700.0;

Max frequency 16Hz, according to

EN50470-3

Green LED (on the terminal

blocks side) for power on

(steady) and communica-

tion status: RX-TX (in case

of RS485 option only)

blinking.

Measurements See “List of the variables

that can be connected to:”

Method TRMS measurements of

distorted wave forms.

Coupling type By means of external CT’s.

Crest factor In 5A: ≤3(15A max. peak).

Current Overloads

Continuous 6A, @ 50Hz.

For 500ms 120A, @ 50Hz.

Voltage Overloads

Continuous 1.2 Un

For 500ms 2 Un

Current input impedance

5(6)A <0.3VA

Voltage input impedance

Self-power supply Power consumption: <2VA.

Frequency 45 to 65 Hz.

Key-pad Two push buttons for vari-

able selection and pro-

gramming of the instru-

ment working parameters.

Input specifications

Specifications are subject to change without notice EM2172D DS ENG 190210 3

EM21 72D

on the instrument.

Addresses 247, selectable by means

of the front keypad

Protocol MODBUS/JBUS (RTU)

Data (bidirectional)

Dynamic (reading only) System and phase vari-

ables: see table “List of

variables...”

Static (reading and writing) All the configuration

parameters.

Data format 1 start bit, 8 data bit, no

parity,1 stop bit.

Baud-rate 9600 bits/s.

Driver input capability 1/5 unit load. Maximum

160 transceiver on the

same bus.

Insulation By means of optocouplers,

4000 VRMS output to mea-

suring input.

Pulse output

Number of outputs 1

Type Programmable from 0.01 to

9.99 kWh per pulses. Out-

put connectable to the

energy meters (kWh)

Pulse duration ≥100ms < 120ms (ON),

≥120ms (OFF), according

to EN62052-31.

Output Static: opto-mosfet.

Load VON 2.5 VAC/DC max. 70 mA,

VOFF 260 VAC/DC max.

Insulation By means of optocouplers,

4000 VRMS output to mea-

suring inputs.

RS485

Type Multidrop, bidirectional

(static and dynamic vari-

ables)

Connections 2-wire. Max. distance

1000m, termination directly

Output specifications

Transformer ratio

VT (PT) 1.0 to 99.9 / 100 to 999 /

1.00k to 6.00k

CT 1.0 to 99.9 / 100 to 999 /

1.00k to 9.99k / 10.0k to

60.0k.

The maximum power being

measured cannot exceed

210 MW calculated as

maximum input voltage

and current, (see the

“Accuracy” paragraph).

The maximum VT by CT

ratio is 48.600. For MID

complaint applications the

maximum power being

measured is 25 MW.

Displaying Up to 3 variables per page.

See « Display pages » , 3

different set of variables

available (see « Display

pages ») according to the

metering function being

selected.

Reset By means of the front key-

pad: total energies (kWh,

kvarh).

Easy connection function Wrong phase detection

and displaying. For all the

display selections, both

energy measurements are

dependent from the current

direction, both power mea-

surements are independent

from the current direction.

The power measurements

are always positive.

Password Numeric code of max. 3

digits;

2protection levels of the

programming data:

1st level Password “0”, no protec-

tion;

2nd level Passwordfrom 1 to 999, all

data are protected

Programming lock By means of potentiometer

(back-side of the display

module) it is possible to

lock the access to all the

configuration parameters.

System selection

System 3-Ph.n unbalanced load 3-phase (4-wire)

3-phase (3-wire)

System 3-Ph.1 balanced load •3-phase (3-wire) one cur-

rent and 3-phase to phase

voltage measurements.

Note: the phase to phase

voltage is calculated multi-

plying by 1.73 the virtual

phase to neutral voltage.

•3-phase (4-wire) one cur-

rent and 3-phase to neutral

voltage measurements.

Note: the phase to phase

voltage is calculated multi-

plying by 1.73 the virtual

phase to neutral voltage.

•3-phase (2-wire) one cur-

rent and 1-phase (L1) to

neutral voltage measure-

ment.

System 2-Ph 2-phase (3-wire)

System 1-Ph 1-phase (2-wire)

Softwarefunctions

4Specifications aresubject to change without notice EM2172D DS ENG 190210

EM21 72D

Self power supply 18 to 260VAC (48-62Hz).

Across input “VL1” and “N”

Power consumption ≤2VA/1W

Power supply specifications

Surge On current and voltage

measuring inputs circuit:

6kV;

Radio frequency suppression According to CISPR 22

Standard compliance

Safety IEC60664, IEC61010-1

EN60664, EN61010-1

EN62052-11

Metrology EN62053-21, EN62053-23,

EN50470-3

Pulse output DIN43864, IEC62053-31

Approvals CE, cULus listed

Connections Screw-type

Cable cross-section area 2.4 x 3.5 mm

Min./Max. screws tighten-

ing torque: 0.4 Nm / 0.8 Nm

Housing

Dimensions (WxHxD) 72 x 72 x 65 mm

Material Noryl PA66,

self-extinguishing: UL 94 V-0

Mounting Panel and DIN-rail

Protection degree

Front IP50

Screw terminals IP20

Weight Approx. 400 g (packing

included)

Operating temperature -25°C to +55°C (-13°F to

131°F) (R.H. from 0 to 90%

non-condensing @ 40°C)

according to EN62053-21

and EN62053-23.

Storage temperature -30°C to +70°C (-22°F to

158°F) (R.H. < 90% non-

condensing @ 40°C)

according to EN62053-21

and EN62053-23.

Installation category Cat. III (IEC60664,

EN60664).

Insulation (for 1 minute) 4000 VRMS between mea-

suring inputs and digital

output.

Dielectric strength 4000 VRMS for 1 minute.

Noise rejection CMRR 100 dB, 48 to 62 Hz.

EMC According to EN62052-11

Electrostatic discharges 15kV air discharge;

Immunity to irradiated Test with current: 10V/m

from 80 to 2000MHz;

Electromagnetic fields Test without any current:

30V/m from 80 to

2000MHz;

Burst On current and voltage

measuring inputs circuit: 4kV

Immunity to conducted

disturbances 10V/m from 150KHz to

80MHz

General specifications

Insulation between inputs and outputs

Measuring Inputs Opto-Mosfet output Communication port Self power supply

Measuring Inputs - 4kV 4kV 0kV

Opto-Mosfet output 4kV - - 4kV

Communication port 4kV - - 4kV

Self power supply 0kV 4kV 4kV -

NOTE: all the models have, mandatorily,to be connected to external current transformers.

Specifications are subject to change without notice EM2172D DS ENG 190210 5

EM21 72D

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

kWh,accuracy (RDG) depending on the current

Percentage error limits for class index B

6A (Imax)

5A (In)

0.25A(Itr)

0.05A(Imin)

Accuracy limits (Active energy)

Start-up current: 10mA

kvarh,accuracy (RDG) depending on the current

Percentage error limits

Accuracy limits (Reactive energy)

Start-up current: 10mA

PF=1

PF=L0.5

to C0.8

6A (Imax)

5A (In)

0.25A

0.5A

0.1A

0.25A

sinϕ=1

sinϕ=0.5

+1%

+1,5%

-1%

-1,5%

+2%

+2,5%

-2%

-2,5%

MID “Annex MI-003” compliance

Accuracy 0.9 Un ≤U≤1.1 Un;

0.98 fn ≤f≤1.02 fn;

fn: 50Hz;

cosϕ:0.5 inductive to 0.8

capacitive.

Class B

Ist: 0.01A;

Imin: 0.05A;

Itr: 0.25A;

In: 5A

Imax: 6A.

Operating temperature-25°C to +55°C (-13°F to

131°F) (R.H. from 0 to 90%

non-condensing @ 40°C)

EMC compliance E2

System variables

Equivalent three-phase voltage

Voltage asymmetry

Three-phase active power

Three-phase apparent power

Used calculation formulas

Phase variables

Instantaneous effective voltage

Instantaneous active power

Instantaneous power factor

Instantaneous effective current

Instantaneous apparent power

Instantaneous reactive power

Energy metering

Where:

i=considered phase (L1, L2 or L3)

P=active power; Q=reactive power;

t1, t2=starting and ending time points

of consumption recording; n=time

unit;∆t=time interval between two

successive power consumptions;

n1, n2=starting and ending discrete

time points of consumption recording

Three-phase power factor

(TPF)

6Specifications aresubject to change without notice EM2172D DS ENG 190210

EM21 72D

(x) = available

(o) = not available (zero indication on the display)

(1) = Variable available only through the serial communication port RS485

List of the variables that can be connected to:

Display pages

No 1st variable

(1st half-line)

2nd variable

(2nd half-line)

3rd variable

(2nd line) Note Applications

A B C

Phase sequence The phase sequence triangle appears in

any page only if there is a phase reverse xxx

1 Total kWh Wsys x x x

2 Total kvarh kvar sys x x

3 PF sys Hz Indication of C, -C, L, -L depending on

the quadrant xxx

4 PF L1 PF L2 PF L3 Indication of C, -C, L, -L depending on

the quadrant x

5AL1 AL2 AL3 x

6VL1-2 VL2-3 VL3-1 x

7VL1 VL2 VL3 x

No Variable 1-ph.

sys.

2-ph.

sys.

3-ph. 4-wire

balanced

system

3-ph. 3-wir

balanced

system

3-ph. 4-wire

unbalanced

system

3-ph. 3-wir

unbalanced

system

Notes

1kWh x x x x x x Total

2kvarh x x x x x x Total

3VL-N sys (1) o x x x x x sys=system (∑)

4VL1 x x x x x x

5VL2 o x x x x x

6VL3 o o x x x x

7VL-L sys (1) o x x x x x sys=system (∑)

8VL1-2 o x x x x x

9VL2-3 o o x x x x

10 VL3-1 o o x x x x

11 AL1 x x x x x x

12 AL2 o x x x x x

13 AL3 o o x x x x

14 VA sys (1) x x x x x x sys=system (∑)

15 VA L1 (1) x x x x x x

16 VAL2 (1) o x x x x x

17 VAL3 (1) o o x x x x

18 var sys x x x x x x sys=system (∑)

19 var L1 (1) x x x x x x

20 var L2 (1) o x x x x x

21 var L3 (1) o o x x x x

22 Wsys x x x x x x sys=system (∑)

23 WL1 (1) x x x x x x

24 WL2 (1) o x x x x x

25 WL3 (1) o o x x x x

26 PF sys x x x x x x sys=system (∑)

27 PF L1 x x x x x x

28 PF L2 o x x x x x

29 PF L3 o o x x x x

30 Hz x x x x x x

31 Phase sequence o o x x x x

•RS485 communication port

•Pulse outputs (only “energies”)

Specifications are subject to change without notice EM2172D DS ENG 190210 7

EM21 72D

Additional available information on the display

List of selectable applications

Type 1st line 2nd line note

Meter information 1 Y. 2007 r.A0 Year of production and firmware release

Meter information 2 value LEd (kWh) KWh per pulse of the LED

Meter information 3 SYS [3P.n] value System type and connection type

Meter information 4 Ct rAt. value Current transformer ratio

Meter information 5 Ut rAt. value Voltage transformer ratio

Meter information 6 PuLSE (kWh) value Pulse output: kWh per pulse

Meter information 7 Add value Serial communication address

Description Notes

AActive energy meter Active energy measurement with some minor parameters

BActive and reactive energy meter Active and reactive energy measurement with some minor parameters

CFull set of variables Full set of available variables can be displayed

One instrument with double mounting capability

... as DIN-rail mounting meter.

By means of the patented detachable display it is possi-

ble to configurethe same instrument either as a panel

mounting meter or...

8Specifications aresubject to change without notice EM2172D DS ENG 190210

EM21 72D

3-CT and 3-VT/PT connections3-CT connection

3-ph, 4-wire, unbalanced load Fig. 2

3-ph, 4-wire, unbalanced load Fig. 1

(6A) Self power supply, system type selection: 3P.n

6A inputs V inputs

Wiring diagrams

3-CT and 2-VT/PT connections

3-ph, 3-wire, unbalanced load Fig. 4

2-CT and 2-VT/PT connections ARON

3-ph, 3-wire, unbalanced load Fig. 6

2-CT connections (ARON)

3-ph, 3-wire, unbalanced load Fig. 5

1-CT and 2-VT/PT connections

3-ph, 3-wire, balanced load Fig. 8

3-CT connection

3-ph, 3-wire, unbalanced load Fig. 3

1-CT connection

3-ph, 3-wire, balanced load Fig. 7

(6A) System type selection: 3P.n

(6A) Self power supply,system type selection: 3P

NOTE: a2-wire connection for voltage mea-

surement is available accross 9and 10 .

RS485

Static output

98710

654321 98710

654321

98710

654321 98710

654321

98710

654321 98710

6598710

(*) (*) (*)

(*) (*)

(*) NOTE: For a correct power supply of the instrument, the neutral must always be connected.

Specifications are subject to change without notice EM2172D DS ENG 190210 9

EM21 72D

2-CT connection

2-ph, 3-wire Fig. 9

(6A) System type selection: 2P

2-CT and 2-VT/PT connections

2-ph, 3-wire Fig. 10

1-CT connection

1-ph, 2-wire Fig. 11

(6A) System type selection: 1P

Static output wiring diagram

1-CT and 1-VT connections

1-ph, 2-wireFig. 12

(6A) System type selection: 1P

Wiring diagrams

VDC/AC supply

Opto-mosfet

VDC/AC

RS485 port

9810 65439810 6543910 65

910 65

B+

A-

B+

A-

B+

A-

RS485 NOTE: additional devices provided with RS485 areconnected as per the pictureabove. The termination of the serial

output is carried out only on the last instrument of the network, by means of a jumper between (B+) and (T).

RS485 port wiring diagram

17 18

10 Specifications aresubject to change without notice EM2172D DS ENG 190210

EM21 72D

1. Keypad

To program the configuration parameters and scroll the

variables on the display.

2. Pulse output LED

Red LED blinking proportional to the energy being

measured.

3. Display

LCD-type with alphanumeric indications to display all the

measured variables.

4. Connections

Screw terminal blocks for instrument wiring.

5. Green LED

Lit when power supply is available

Front panel description

Dimensions (DIN configuration)

Dimensions and panel cut out (72x72 panel mounting configuration)

68x68mm

-0 +0.7mm