Qonnex DCE.230 Bedienungsanleitung

DCE.230 DC Energy Meter

DCE.230 User Manual 1.7

1. Introducon

DCE.230 series DC energy meters are

designed for measuring and monitoring

in DC systems. The din rail DC energy

meters can measure of important DC

parameters: Voltage, current, power

and energy etc. It also support bi-

direconal measurement with pulse

output. All data in the meter are

accessible via RS485 using Modbus RTU.

The meter has DC power supply. Input

voltage range up to 1000V DC, and

current inputs are exible with DC shunt

and current sensors.

•Measures kWh, W, V, A etc.

•Bi-direconal measurement

IMP & EXP

•Pulse output

•RS485 Modbus

•Din rail mounng 35mm

•DC shunt connecon

•Class 1

1.1 General Specicaons

Voltage DC Input: 5~1000V DC

Auxiliary Supply: 9-40V DC

DC Shunt Input: 75mV

Current Range: 0~2000A

Power consumpon: ≤ 2W / 5VA

AC voltage withstand: 4400V/ 1min

Impulse voltage withstand: 6.4kV -

1.2/50μS waveform

1.2 Unit Characteriscs

The Unit can measure and display:

•voltage

•Currents

•Power

•Acve energy imported and

exported

Pulse output indicates real-me energy

measurement. An RS485 output allows

remote monitoring from another

display or a computer.

1.3 Shunt Primary Current

The unit can be congured to operate

with primary current and secondary

input.

Primary current range: 0~2000A.

Second input: 75mV

1.4 RS485 Output for Modbus RTU

For Modbus RTU, the following RS485

communicaon parameters can be

congured from the Set-up menu:

Baud rate 1200,2400, 4800, 9600,19200

Parity none (default)/odd/even

Stop bits 1 or 2

RS485 address 3-digit, 001 to 247

Modbus™ Word order Hi/Lo byte order

is set automacally to normal or

reverse. It cannot be congured

from the set-up menu.

Set-up screens are provided for seng

up the RS485 port.

1.5 Pulse output

The unit provides a pulse output. The

constant can be congured to below:

Pulse output: 1, 10, 100, 1000 imp/kWh

(default)

Pulse duraon: 60, 100 (default), 200mS

Pulse output indicate: Total kWh/

import kWh/ export kWh

Display: LCD with backlit

Max. Reading: 999999.9kWh

Weight: 220g

Standard: GB/T 33708-2017

10000 imp/kWh

1000 imp/kwh

100 imp/kWh

10 imp/kWh

1 imp/kWh

Pulse width: 200/100(default)/60 ms.

Note: the relaonship between pulse

constant and CT1

CT1

Default pulse

imp/kWh

Seable pulse

imp/kWh

1–20

1000

1000,100,10,1

21–200

100

100,10,1

201–2000

10,1

*when the CT seng on meter is 2000A,

the default pulse constant is 10

imp/kWh and it can be set to

10imp/kWh or 1 imp/kWh.

*Over-current alarm: Alarm will

happened when the current is over the

CT1 value set on the meter. The Alarm

LED will stay solid and the corres-

ponding register value will be changed.

The user can read this register through

communicaon to determine whether

an overcurrent alarm has occurred.

The pulse outputs can be set to generate

pulses to represent Import kWh/ Export

kWh/ total kWh.

The pulse output is passive type,

complies with IEC62053-31 Class A.

1.7 Environment

Operang temperature -25 to + 55℃

Reference temperature 23℃±2℃

Relave humidity 0 to 90%, non-

condensing

Altude up to 2000m

Installaon category CATIII

Mechanical Environment M1

Electromagnec environment E2

Degree of polluon 2

1.8 Mechanics

Din rail dimensions 36x100x63 (WxHxD)

DIN 43880

Mounng DIN rail 35mm

Ingress Protecon IP51 (indoor)

Material Self-exnguishing UL94V-0

2. Operaon

2.1 Inializaon Display

When it is powered on, the meter will

inialize and do self-checking.

Full Screen (stay

2s)

Soware Version

(stay 2s)

(This informaon

is for reference

only.)

Current Modbus

address

(stay 2s)

Current baud

rate (stay 2s)

Total acve

energy(kWh)

Total=Import+

Export

Max read:

999999.9 kWh

2.1 Buons funcon

There are two buons on the front

panel.

>Scroll the display for

data checking.

>Changing opon at

Set-up mode

>Exit the Set-up mode

>Set-up mode entry

>Conrmaon

2.1.1 Scroll display

Aer inializaon and self-checking

program, the meter displays the

measured values. The default page is

total kWh. If the user wants to check

other informaon, please press the

scroll buon on the front panel.

Total acve

energy(kWh)

Total=Import+

Export

Display format:

5+2 -> 6+1 -> 5+2

99999.99 ->

100000.0 ->

999999.9 ->

00000.00

Paral reseable

acve

energy

Display format:

5+2 -> 6+1 -> 5+2

99999.99 ->

100000.0 ->

999999.9 ->

00000.00

Voltage

Current

Power

Display format:

<1000 W: XXX W

<1000kW: XXX.XXX

For other value:

XXXX.XX kW

Pulse constant

CT1 Primary

current

Meter address

Baud rate

Parity

Soware Version

Set-up Mode

To get into Set-up Mode, the user need

press the “Enter” buon for 3 second.

1 Password

To get into Set-up mode,

it asks a password

conrm. Default

password: 1000

Use Scroll and Set to

enter correct password.

2 Keep pressing Set for 3

second, the current

selecon

will ash, use Scroll and

Set to change the

Modbus address.

Opons: 1~247

Keep press Set for 3s to

conrm the selecon.

3 Keep pressing Set for 3

second, the current

selecon will ash, use

Scroll and Set to change

the Baud rate. Opons:

1.2k, 2.4k,4.8k,9.6k (

default ),19.2k

Keep press Set for 3s to

conrm the selecon.

4 Keep pressing Set for 3

second, the current

selecon will ash, use

Scroll and Set to change

the Parity.

Opons: EVEN, ODD,

NONE ( default )

5 Keep pressing Set for 3

second, the current

selecon

will ash, use Scroll and

Set to change the type

of Pulse Output.

Opons: total kWh, IMP

kWh, EXP kWh

6 Keep pressing Set for 3

second, the current

selecon will ash, use

Scroll and Set to change

the pulse constant.

Opons: 1000, 100, 10, 1

imp/kWh

*Default pulse constant

is related to the CT1

seng

7 Keep pressing Set for 3

second, the current

selecon will ash, use

Scroll and Set to change

the pulse width. Opons:

60, 100, 200, unit: ms

8 Use Scroll to select the

CT1 opon. Keep

pressing for Set 3

second, the current

selecon will ash, use

Scroll and Set to enter

the Primary current. The

range is from 0001 to

2000. For example, if

using a 100A/75mV

current transformer, the

CT1 shall be 0100.

Keep press Set for 3s to

conrm the selecon.

Default : 1A

9 Keep pressing Set for 3

second, the current

selecon will ash, use

Scroll and Set to change

the DIT(Demand

Integraon Time).

Opons: 0,5,8, 10,15,

20,30,60( default)

10 Use Scroll to select

the scroll display me

opon. Keep pressing Set

for 3 second, the current

selecon will ash, use

Scroll and Set to enter

the

opons: 0~60s.

Default: 0 s, represent do

not scroll display

11 Use Scroll to select

the backlit me opon.

Keep pressing Set for 3

second, the current

selecon will ash, use

Scroll and Set to enter

the opons:0,5,10,

20,30,60 minutes. 0

means the light is always

on. Default: 60 min.

12 Use Scroll to select

the Password opon.

Keep pressing Set for 3

second, the current

selecon will ash, use

Scroll and Set to enter

the new password. The

range is from 0001 to

9999.

Default: 1000

13 Shunt wiring

Use Scroll to select the

shunt connecon opon.

Keep

pressing Set for 3

second, the current

selecon will ash, use

Scroll to choose the

connecon way.

Opon: N, P

N: Negave type

(default)

P: Posive type

Keep pressing buon to

exit the set-up mold.

Keep pressing SCROLL buon to exit

the set-up mold.

3. Wiring diagram

3.1 Terminal Connecon

DC Power Supply:

3.2 Shunt Connecon

4. Shunt

Below a lisng of common shunt resistors

5. Dimensions

Qonnex bv

B-9310 Aalst

Belgium

Email: inf[email protected]

www.2-wire.be

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