Datasheet

ManualsBrandsCarlo Gavazzi ManualsAutomationEnergy Analyser

Specifications are subject to change without notice EM24 DIN DS 260315 1

• Class 1 (kWh) according to EN62053-21

• Class B (kWh) according to EN50470-3

• Class 2 (kvarh) according to EN62053-23

• Accuracy ±0.5 RDG (current/voltage)

• Energy analyzer

• Instantaneous variables readout: 4 DGT

• Energies/gas/water readout: 8 DGT

•

System variables: VLL, VLN, Admd max, VA, VAdmd, VAd-

md max, W, Wdmd, Wdmd max, var, PF, Hz, Phase-

sequence.

• Single phase variables: VLL, VLN, A, VA, W, var, PF

• Energy measurements: total and partial kWh and kvarh or

based on 4 different tariffs; single phase measurements

• Gas, cold water, hot water, kWh

remote heating

mea-

surements

• Hour counter (6+2 DGT)

• TRMS measurements of distorted sine waves (volt-

ages/currents)

• Self power supply (AV2-AV9 inputs)

• Auxiliary power supply (AV5-AV6 inputs)

•

3 digital inputs for tariff selection, DMD synch or gas/

water (hot-cold) and remote heating metering (on request)

• 2 digital outputs for pulses or for alarms or as a mix of

them

• Dimensions: 4-DIN modules

• Protection degree (front): IP50

Product Description

Three-phase energy analyzer

with built-in configuration

joystick and LCD data dis-

playing; particularly indicat-

ed for active and reactive

energy metering and for cost

allocation. Housing for DIN-

Energy Management

Energy Analyzer

Type EM24 DIN

• RS485 serial output (MODBUS-RTU), iFIX SCADA com-

patibility

• M-bus communication port (option M1)

• Dupline communication capability (option DP)

• Application adaptable display and programming proce-

dure (Easyprog function)

• Easy connections management

• Certified according to MID Directive (option PF):

see “how to order” below

• Other versions available (not certified, option X):

see “how to order” on the next page

rail mounting with IP50

(front) protection degree.

Direct connection up to 65A

and by means of external

current and potential trans-

formers.

Moreover the meter can be

provided with digital outputs

that can be either for pulse

proportional to the active

(imported and exported) and

reactive energy being mea-

sured or for alarm outputs.

In alternative the RS485

communication port and 3

digital inputs or Dupline port

and 3 digital inputs or the

M-bus communication port

are available as an option.

Summary of content (19 pages)

PAGE 1
Energy Management Energy Analyzer Type EM24 DIN • RS485 serial output (MODBUS-RTU), iFIX SCADA compatibility • M-bus communication port (option M1) • Dupline communication capability (option DP) • Application adaptable display and programming procedure (Easyprog function) • Easy connections management • Certified according to MID Directive (option PF): see “how to order” below • Other versions available (not certified, option X): see “how to order” on the next page • Class 1 (kWh) according to EN62053-21
PAGE 2
EM24 DIN Certified according to MID Directive, Annex "B" + Annex "D" for legal metrology relevant to active electrical energy meters (see Annex MI003 of MID). Can be used for fiscal (legal) metrology. Only the total positive energy meter is certified according to MID.
PAGE 3
EM24 DIN How to order EM24 DIN AV5 3 D O2 X STANDARD Not certified according to MID directive. Cannot be used for fiscal (legal) metrology.
PAGE 4
EM24 DIN Input specifications Rated inputs Current type Current range (by CT) Current range (direct) Voltage Voltage by VT/PT Accuracy (Display + RS485) (@25°C ±5°C, R.H.
PAGE 5
EM24 DIN Output specifications Digital outputs Pulse type Number of outputs Type Pulse duration Alarm type Number of outputs Alarm modes Set-point adjustment Hysteresis On-time delay Output status Min. response time Note Static output Purpose Signal Insulation Relay output Purpose Type Insulation Note RS485 Type Connections Up to 2, independent. Programmable from 0.001 to 10.00kWh/kvarh by pulse.
PAGE 6
EM24 DIN Dupline specifications Counters Used Dupline function Number of counters Counter range Used channels Multiplexer Reset Value Counter reset Available counters Analogue variables Used Dupline function Number of variables Dupline data format Full scale value Used channels Multiplexer Value Multiplexer for counter values 6 per instrument, 128 per network 0...
PAGE 7
EM24 DIN Digital input specifications (cont.) m3), remote heating, external kWh meters (3 choices only). Working modes (DP version only) Note Insulation Selectable: • GAS (m3) or WATER (hotcold m3) or remote heating (kWh) meters The energy metering is only made by means of the analogue inputs. By means of optocouplers, 4000 VRMS digital inputs to measuring inputs, 4000 VRMS digital inputs to power supply input. Software functions Password 1st level 2nd level System selection System 3-P.
PAGE 8
EM24 DIN General specifications Operating temperature Storage temperature Installation category Insulation (for 1 minute) Dielectric strength Noise rejection CMRR EMC Electrostatic discharges Immunity to irradiated Electromagnetic fields Burst Immunity to conducted disturbances Surge -25°C to +55°C (-13°F to 131°F) (R.H. from 0 to 90% non-condensing @ 40°C) according to EN62053-21, EN50470-1 and EN6205323 -30°C to +70°C (-22°F to 158°F) (R.H.
PAGE 9
EM24 DIN Working mode notes (only „Self power supply‰ version) Output Model Note Open collector output “AV9” models with “O2” option Relay output “AV9” models with “R2” option RS485 and M-bus ports “AV9” models with “IS” and “M1” options Dupline port “AV2” model with “DP” option Relay output “AV2” model with “R2” option RS485 and M-bus ports “AV2” model with “IS” and “M1” options The meter works even if up to two voltages “phase to neutral” are missing or if one voltage “phase to phase” is m
PAGE 10
EM24 DIN MID „Annex MI-003‰ compliance (PF option only) Accuracy AV2-AV9 models AV5 models Operating temperature 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. I st: 0.04A; I min: 0.5A; I tr: 1A; I ref: 10A; I max: 65A. Class B. I st: 0.01A; I min: 0.05A; I tr: 0.25A; I ref: 5A; I max: 10A. -25°C to +55°C (-13°F to 131°F) (R.H.
PAGE 11
EM24 DIN List of the variables that can be connected to: • RS485 and M-bus communication port • Alarm outputs (“max” variable”, “energies” and “hour counter” excluded) • Pulse outputs (imported and exported kWh, imported kvarh) • Dupline bus No Variable V L-N sys V L1 V L2 V L3 V L-L sys V L1-2 V L2-3 V L3-1 A dmd max 1-phase system o x o o o # # # o 2-phase system x x x o x x o o x 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 4
PAGE 12
EM24 DIN Display pages Sel. pos. 0 1 2 3 Applications 1st variable (1st 2nd variable (2nd 3rd variable (3rd Note line) line) line) A B C D E F G H I 1 Phase seq. VLN sys Hz 7 7 7 7 7 7 7 2 Phase seq.
PAGE 13
EM24 DIN Additional available information on the display Type Meter information Meter information Meter information Meter information (AV5-6) Meter information (AV5-6) In case of communication port (Modbus or M-bus) In case of communication port (Modbus or M-bus) In case of Dupline port 1st line 2nd line 3rd line Firmware revision PuLSE (text) System (1-2-3-phase) Ct rAtio (text) UT rAtio (text) YEAr (text) LEd (text) Connection (2-3-4-wire) 1.0 ... 60.0k 1.0 ...6.0k Year of production Numb.
PAGE 14
EM24 DIN Tamper proof accessory kit The “tamper proof” kit (two screw protection covers) is included. The instrument (PF option) is sealed in one point: - Front selector (to lock the instrument programming). After installation it must be sealed in other two points: - Upper cover; - Lower cover. M-bus available variables and frame format • According to the selected system, the available variables (see above table) are transmitted via M-bus according to the following frames.
PAGE 15
EM24 DIN Wiring diagrams (65A) System type selection: 3P.n 3-ph, 4-wire, unbal./bal. load Fig.1 (65A) System type selection: 3P 3-ph, 3-wire, unbal./bal. load Fig. 2 65A inputs self power supply The neutral connection is mandatory with “IS” or “R2” options. (65A) System type selection: 2P 2-ph, 3-wire, unbal./bal. load Fig. 3 (65A) System type selection: 1P 1-ph, 2-wire, “O2” option Fig. 4 1-ph, 2-wire, “IS” and “R2” option Fig.
PAGE 16
EM24 DIN Wiring diagrams (10A) System type selection: 3P.n 3-ph, 3-wire, unbalanced load Fig. 8 3-CT connection 3-ph, 3-wire, unbalanced load Fig. 9 3-CT and 2-VT/PT connections 3-ph, 3-wire, unbalanced load Fig. 10 2-CT connections (ARON) (10A) System type selection: 3P.1 3-ph, 3-wire, unbalanced load Fig. 11 3-ph, 3-wire, balanced load Fig. 12 3-ph, 3-wire, balanced load Fig.
PAGE 17
EM24 DIN Wiring diagrams (10A) System type selection: 1P 1-ph, 2-wire Fig.
PAGE 18
EM24 DIN Digital inputs, RS485 and Dupline ports wiring diagrams Digital Inputs and RS485 RS485 port Digital Inputs and Dupline Dupline port M-bus wiring connection [g] [h] [h] [i] [g] other M-bus item; [h] EM24 with M1 option; [i] M-bus master.
PAGE 19
EM24 DIN Front panel description 1 3 2 4 5 1. Joystick To program the configuration parameters and scroll the variables on the display. 2. LED Red LED blinking proportional to the energy being measured. 3. Display LCD-type with alphanumeric indications to: - display configuration parameters; - display all the measured variables. 4. Selector To select the desired display pages and to lock the programming. 5. Connections Screw terminal blocks for instrument wiring.