CPT-DIN Basic Version - Carlo Gavazzi Group

Specifications are subject to change without notice CPT-DINBDS190606 1

•Class 2 (active energy)

•Class 3 (reactive energy)

•Accuracy ±0.5 F.S. (current/voltage)

•Compact Power transducer

•Instantaneous variables data format: 4 digit

•Energies data format: 8+1 digit

•System variables and phase measurements: W, Wdmd,

Wdmd max,var, V A, VAdmd,PF, V, A, An, Admd, Amax, Admd max,Hz

•Energy measurements: kWh and kvarh

•Hour counter (5+2 DGT)

•TRMS meas. of distorted sine waves (voltages/currents)

•Power supply: 90 to 260VAC/DC and 18 to 60VAC/DC

•Protection degree (front): IP20

•Dimensions: 45x83.5x98.5mm

•RS422/485 serial port

Product Description

3-phase compact power

transducer. Particularly rec-

ommended for the measure-

ments of the main electrical

variables.

Housing for DIN-rail mount-

ing, protection degree IP20

as standard, and RS485 or

RS232 serial port.

Parameters programmable

by means of CptBSoft.

Energy Management

Compact Power Transducer

Type CPT-DIN “Basic version”

Model

Range code

System

Power supply

Outputs

Option

How to order

CPT-DIN AV5 3 H S1 BX

Type Selection

Power supply

L: 18 to 60VAC/DC

H: 90 to 260VAC/DC

(*) Pay attention: the 3-phase

measurement is carried out as

one current and one phase to

neutral voltage measurement.

Range codes

AV5: 400/(690)VL-L/5(6)AAC

VL-N: 185 V to 460 V

VL-L: 320 V to 800 V

AV6: 120/(208)VL-L/5(6)AAC

VL-N: 45 V to 145 V

VL-L: 78 V to 250 V

Phase current: 0.03A to 6A

Neutral current: 0.09 to 6A

Outputs

S1:

RS485 port

S2:

RS232 port

System

3 : 1, 2 or 3-phase,

unbalanced and

balanced load,

with or without

neutral

1 : 1-3-phase,

balanced load (*)

Rated inputs

C u r r e n t 3 (current transformers)

Voltage 4

Accuracy

(R S48 5/R S 232 ) with CT=1 and VT=1 AV5:

(@25°C ±5°C, R.H. ≤60%) 1150W-VA-var, FS:230VLN,

400VLL; AV6: 285W-V A-var,

FS: 57VLN, 100VLL

Current 0.25 to 6A: ±(0.5% FS +1DGT)

0.03A to 0.25A: ±(0.5% FS +7DGT)

Neutral current 0.25 to 6A: ±(1.5% FS +1DGT)

0.09A to 0.25A: ±(1.5% FS+7DGT)

Phase-phase voltage

±(1.5%

FS + 1DGT)

Phase-neutral voltage ±(0.5% FS +0.1DGT)

Active and Apparent power,0.25 to 6A: ±(1%FS +1DGT);

0.03A to 0.25A: ±(1%FS+5DGT)

Reactive power 0.25 to 6A: ±(2% FS +1DGT);

0.03A to 0.25A: ±(2% FS +5DGT)

Active energy Class 2 (I start up: 30mA)

Reactive energy Class 3 (I start up: 30mA)

Frequency ±0.1Hz (48 to 62Hz)

Additional errors

Humidity ≤0.3% FS, 60% to 90% RH

Temperaturedrift ≤200ppm/°C

Sampling rate 1400 samples/s @ 50Hz

1700 samples/s @ 60Hz

Measurement r efr esh time 700ms

Measurement format

Instantaneous variables 4 DGT (Max indication: 9999)

Ener gies 9 DGT (Max indication:

999 999 99.9)

Hour counter 7DGT (Max. indication:

9999 9.99)

Input specifications

•RS232 serial port on request

•Alarms (only from serial communication port) VLN,An

Options

BX:

Basic features

How to order

CptBSoft: software to program the working parameters of

the transducer and to read the energy and the instanta-

neous variables. The kit includes the communication cable.

CptBSoft-kit

2Specifications aresubject to change without notice CPT-DINBDS190606

CPT-DIN

no parity, 1 stop bit

Baud-rate 9600 bit/s

Insulation By means of optocuplers,

2kVRMS output to

measuring input.

4kVRMS output to power supply

RS232 Halfduplex communication

Type Point to point connection

Connections 3-wire, max. distance 15m

Address 1 to 255 selectable via software

Protocol MODBUS/JBUS (R TU)

Baud-rate 9600bits/s

other characteristics like

R422/RS485 port

RS422/RS485 Halfduplex communication

Type Multidrop

bidirectional (static and

dynamic variables)

Connections 2 or 4 wires, max. distance

1200m, termination directly

on the instrument

Addresses 1 to 255 selectable via software

Protocol MODBUS/JBUS (R TU)

Data (bidirectional)

Dynamic (reading only) System, phase variables and

energies

Static (writing only) All configuration parameters

Data format 1start bit, 8 data bit,

Serial Port Specifications

Filter action Measurements, alarms,

serial out. (fundamental var: V,

A, Wand their derived ones).

Alarms Programmable, for the VLN∑and

An (neutral current).

Note: the alarm is only a

status transmitted via

communication port.

Reset Independent

alarm (VLN∑,An)

max: A dmd, W dmd

all ener gies (Wh, varh)

hour counter

System selection 3-ph. with or without N, unbal.

3-phase balanced “1CT + 1VT”

3-phase ARON, unbalanced

2-phase

Single phase

Transformer ratio

CT 1 to 999

VT/PT 1.0 to 99,9

Filter

Operating range 0 to 99.9% of the input

electrical scale

Filtering coefficient 1 to 16

Softwarefunctions

Input specifications (cont.)

Measurements Curr ent, voltage, power,

power factor, frequency,

ener gy, hour counter

Type TRMS measurement

of distorted waves.

Coupling type Direct

Crest factor < 3, max 10A peak

Input impedance

400/690VL-L (AV5) 1 MΩ±5%

120/208VL-L (AV6) 453 KΩ±5%

Current ≤0.02Ω

Frequency 48 t o 62 Hz

Overload protection (max values)

Continuos voltage/current AV5: 460VLN,800VLL/6A

AV6: 145VLN,250VLL/6A

For 500ms: voltge/current AV5: 800VLN,1380VLL/36A

AV6: 240VLN,416VLL/36A

Connections RJ12 (3-wire) for special cable

Baud-rate 4800 bits/s

Data format 1 start bit, 8 data bit,

no parity, 1 stop bit

Insulation By means of optocuplers,

2kVRMS output to

measuring input.

4kVRMS output to power supply

RS232 Configuration Bus

CptBSoft: parameter programming and reading data software

W orking mode Two different working

modes can be selected:

- management of a local

RS485 network;

- management of

communication from a single

instrument to PC (RS232);

Data access By means of RS232 serial

port, RS485 serial port or

RS232 configuration port.

CptBSoft Multi language softwareto

program the working

parameters of the transducer

and to read the ener gies and

the instantaneous variables.

The program runs under

Windows 95/98/98SE/2000/

NT/XP.

Specifications are subject to change without notice CPT-DINBDS190606 3

CPT-DIN

General Specifications

Front LED’s

Power on Green

Diagnostics Green (TX data)

Red (RX data)

Operating 0° to +50°C (32° to 122°F)

temperature (RH < 90% non condensing)

Storage -10° to +60°C (14° to 140°F)

temperature (RH < 90% non condensing)

Installation category Cat. III (IEC 60664, EN60664)

Insulation (for 1 minute) 4kVACRMS

between mesuring

inputs and power supply.

2kVAC/DC between

mesuring inputs and

RS485/RS232/programming

port (RJ12)

4kVACRMS between

power supply and

RS485/RS232/programming

port.

Dielectric strength 4kVACRMS (for 1 min)

EMC

Emissions EN61000-6-3, EN60688

residential envir onment,

commerce and light industry

Immunity EN61000-6-2

industrial environment.

Pulse voltage (1.2/50µs)

EN61000-4-5

Safety standards IEC60664, EN60664

Measurement standards IEC60688, EN60688

Approvals CE, cURus

Connections 5(6) A Screw-type

Max cable cross sect. area 2.5 mm2

Housing

Dimensions (WxHxD) 45 x 83.5 x 98.5 mm

Material ABS

self-extinguishing: UL 94 V-0

Mounting DIN-rail

Protection degree IP20

Weight Approx. 200 g (pack. incl.)

Variables that can be retrasmitted 3-phase system 4-wire connection

Variables Notes

VL1 V L2 V L3

VL12 V L23 V L31

AL1 A L2 A L3

AL1 dmd AL2 dmd AL3 dmd dmd = demand (integration time

selectable from 1 to 30 minutes)

An An alarm An alarm: neutral current alarm

WL1 WL2 WL3

PF L1 PF L2 PF L3

var L1 var L2 var L3

VA L1 VA L2 VA L3

VA system W system var system

VAdmd Wdmd Hz dmd = demand (integration time

(system) (system) selectable from 1 to 30 minutes)

Wdmd MAX Maximum sys power demand

varh

VLL system VLN alarm PF system VLN alarm: alarm status if VLN is not

within the two set limits.

AMAX

max. current among the three phases

Admd max max. dmd current among the thr ee phases

h working hour counter

Measurements available on the communication port

Auxiliary power supply 90 to 260VAC/DC

16to 60V AC/DC Power consumption AC: 4.5 V A

DC: 4W

Power Supply Specifications

Used calculation formulas

4Specifications aresubject to change without notice CPT-DINBDS190606

CPT-DIN

Waveform of the signals that can be measured

Figure A

Sine wave, undistorted

Fundamental content 100%

Harmonic content 0%

Arms =1.1107 | A |

Figure B

Sine wave, indented

Fundamental content 10...100%

Harmonic content 0...90%

Frequency spectrum: 3r d to 16th harmonic

Additional error: <1% FS

Figure C

Sine wave, distorted

Fundamental content 70...90%

Harmonic content 10...30%

Frequency spectrum: 3r d to 16th harmonic

Additional error: <0.5% FS

Accuracy

Wh,accuracy (RDG) depending on the current

Error

6A (Imax)

5A (Ib)

0.5A

(0.1Ib)

(0.2Ib)

0.25A

(0.05Ib)

0.5A

(0.1Ib)

+2%

+4%

-2%

Accuracy limits (Active energy)

5(6A) Start-up current: 30mA

-4%

varh,accuracy (RDG) depending on the current

Error

+3%

+6%

-3%

Accuracy limits (Reactive energy)

5(6A) Start-up current: 30mA

-6%

PF=1

PF=L0.5

or C0.8

6A (Imax)

5A (Ib)

0.25A

(0.05Ib)

0.5A

(0.1Ib)

0.1A

(0.02Ib)

0.25A

(0.05Ib)

sinϕ=1

sinϕ=0.5

Phase variables

Instantaneous effective voltage

Instantaneous active power

Instantaneous power factor

Instantaneous effective current

Instantaneous apparent power

Instantaneous reactive power

System variables

Equivalent three-phase voltage

Three-phase reactive power

Neutral current

Three-phase active power

Three-phase apparent power

Three-phase power factor

(TPF)

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

An = AL1+AL2+AL3

Specifications are subject to change without notice CPT-DINBDS190606 5

CPT-DIN

N-

A1 A2

711

810

23 25 27

L1 L2 L3

L1L3

24 L2

26 L3

Wiring diagrams “system type selection: 3”

N-

A1 A2

810

23 25

L1 L2

24L2

N-

A1 A2

Direct connection

2-ph, 3-wire Fig. 3

N-

A1 A2

711

23 25 27

L1 L2 L3

L1 L3

24 L2

26 L3

ARON and 2VT/PT connection

2CT connection

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

1-ph, 2-wire Fig. 1

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

Power Supply

F= 630 mA T (18 to 60VAC/DC)

125 mA T (90 to 260V AC/DC)

N-

A1 A2

1CT connection

1-ph, 2-wire Fig. 2

Power Supply

N-

A1 A2

711

810

L1 L3

23 25 27

L1 L2 L3

24 L2

26 L3

ARON connection

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

Power Supply

6Specifications aresubject to change without notice CPT-DINBDS190606

CPT-DIN

Wiring diagrams “system type selection: 3” (cont.)

N-

A1 A2

3-ph, 4-wire, balanced load Fig. 12

1CT and 1VT/PT connection

Power Supply

F= 630 mA T (18 to 60V AC/DC)

125 mA T (90 to 260VAC/DC)

N-

A1 A2

711

L1 L3

3-ph, 3-wire, balanced load Fig. 11

1CT connection

Power Supply

3CT and 3VT/PT connection

N-

A1A2

711

2325 27

L1 L2 L3

L1L3

24 L2

26 L3

3-ph, 4-wire, unbalanced load Fig. 8

Power Supply

N-

A1A2

711

810

2325 27

L1 L2 L3

L1L3

24 L2

26 L3

3-ph, 4-wire, unbalanced load Fig. 7

3CT connection

Power Supply

3CT connection

N-

A1A2

711

2325 27

L1 L2 L3

L1L3

24 L2

26 L3

3-ph, 3-wire, unbalanced load Fig. 9

Power Supply

3CT and 2VT/PT connection

N-

A1 A2

23 25 27

L1 L2 L3

24 L2

26 L3

711

L1 L3

3-ph, 3-wire, unbalanced load Fig. 10

Power Supply

Specifications are subject to change without notice CPT-DINBDS190606 7

CPT-DIN

Wiring diagrams “system type selection: 1”

F= 630 mA T (18 to 60V AC/DC)

125 mA T (90 to 260VAC/DC)

1CT connection

N-

A1A2

1-ph, 2-wire Fig. 14

Power Supply

N-

A1A2

1-ph, 2-wire Fig. 13

Direct connection

Power Supply

1CT connection

N-

A1A2

L1 N

3-ph, 4-wire, balanced load Fig. 15

Power Supply

1CT and 1VT/PT connection

N-

A1 A2

3-ph, 4-wire, balanced load Fig. 16

Power Supply

8Specifications aresubject to change without notice CPT-DINBDS190606

CPT-DIN

246

135

TX- RX- T

GND

RX+TX+

246

135

TX- RX- T

GND

RX+TX+

246

135

TX- RX- T

GND

RX+TX+

SIU-PC

RS485RS232

GND

RX+

TX+

TX-

RX-

GND

TXRX

246

135

RS485 Serial port connection

RS232 Serial port connection

4-wire connection of RS485 serial port, the terminalization must be carried out only on the last instrument of the network

Last instrument 1...n Instrument

246

135

TX- RX- T

GND

RX+TX+

246

135

TX- RX- T

GND

RX+TX+

246

135

TX- RX- T

GND

RX+TX+

SIU-PC

RS485RS232

GND

RX +

TX+

TX-

RX -

2-wire connection of RS485 serial port, the terminalization must be carried out only on the last instrument of the network

Last instrument 1...n Instrument

Easy programming

RJ12 communication port

for parameters program-

ming. The configuaration of

the transducer can be easi-

ly performed by means of

CptBSoft.

CptBSoft-kit includes also

aconnection cable (RJ12 6

pole + RS232 9 pole

female).

Specifications are subject to change without notice CPT-DINBDS190606 9

CPT-DIN

623

(L1) 25

(L2) 27

(L3)

A1 A2

(L1)

(N) (L2) (L3)

CPT-DIN

CompactPowerTransducer

Diagnostics

PowerON

10 12

Dimensions and Panel Cut-out

45mm 98.5mm

67.5mm

83.5mm

Front Panel Description

Outputs connections

A1A2

~+ - ~

GND

RX+TX+

TX- RX- T

623

(L1) 25

(L2) 27

(L3)

A1 A2

(L1)

(N) (L2) (L3)

CPT-DIN

CompactPowerTransducer

Diagnostics

PowerON

10 12

GND

1. Front panel

2. Power ON LED

3. Diagnostics LED

4. Configuration bus (RJ12 connector)

5. Connections screw terminals

623

(L1) 25

(L2) 27

(L3)

A1 A2

(L1)

(N) (L2) (L3)

CPT-DIN

CompactPowerTransducer

Diagnostics

PowerON

10 12

RS485 RS232