Eastron DCM230 User manual

Eastron DCM230 User Manual

B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer

Fax: +49 3574 4675519 Web: www.eastron-germany.de

- 1 -

⚫Measures kWh, W, V, A etc.

⚫Bi-directional measurement IMP & EXP

⚫Pulse output

⚫RS485 Modbus

⚫Din rail mounting 35mm

⚫DC shunt connection

⚫Class 1

DCM230 DC Energy Meter

User Manual V1.5

2021

Eastron DCM230 User Manual

B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer

Fax: +49 3574 4675519 Web: www.eastron-germany.de

-2 -

Introduction

Eastron DCM230 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: Village,. current, power and energy etc. It also support bi-

directional measurement with pulse output. All data in the meter are accessible via RS485 using Modbus RTU. The

meter has two versions working with AC or DC power supply. Input voltage range up to 300, 600, 1000V DC, and

current inputs are flexible with DC shunt and current sensors. The multi-tariff version has a RTC equipped inside, it

can provides multi-tariff information and monthly records.

PART 1 Specification

Model list

Eastron DCM230 User Manual

B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer

Fax: +49 3574 4675519 Web: www.eastron-germany.de

-3 -

5~300V DC, 5~600V DC, 5~1000V DC

85~300V AC (DCM230-1)

or 9-60V DC (DCM230-2)

75mV (default)

60mV, 45mV (optional)

0~2000A

≤ 2W / 5VA

4400V/ 1min

6.4kV - 1.2/50µS waveform

1, 10, 100, 1000imp/kWh (default)

60, 100 (default), 200mS

Total kWh/ import kWh/ export kWh

LCD with backlit

999999.9kWh

220g

General Specifications

Voltage DC Input

Auxiliary Supply

DC Shunt Input

Current Range

Power consumption

AC voltage withstand

Impulse voltage

withstand Pulse output

Pulse duration

Pulse output indicate

Display

Max. Reading

Weight

Standard

Accuracy class

GB/T 33708-2017

Unit Characteristics

The Unit can measure and display:

⚫voltage

⚫Currents

⚫Power

⚫Active energy imported and exported

Pulse output indicates real-time energy measurement. An RS485 output allows remote monitoring from another

display or a computer.

1 (max. 1% measurement deviation)

Eastron DCM230 User Manual

B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer

Fax: +49 3574 4675519 Web: www.eastron-germany.de

-4 -

Shunt Primary Current

The unit can be configured to operate with primary current and secondary input.

Primary current range: 0~2000A.

Second input: 75mV in default (45mV, 60mV optional)

RS485 Output for Modbus RTU

For Modbus RTU, the following RS485 communication parameters can be configured from the Set-up menu:

Baud rate 1200,2400, 4800, 9600,19200 bps

Parity none (default)/odd/even

Stop bits 1 or 2

RS485 network address nnn – 3-digit number, 001 to 247

Modbus™ Word order

Hi/Lo byte order is set automatically to normal or reverse. It cannot be configured from the set-up menu.

Set-up screens are provided for setting up the RS485 port.

Pulse output

The unit provides a pulse output. The constant can be configured to below:

1000 imp/kwh

100 imp/kWh

10 imp/kWh

1 imp/kWh

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

Note: the relationship between pulse constant and CT1

CT1 setting

Default pulse constant

Settable pulse constant

1 – 20

1000 imp/kWh

1000,100,10,1 imp/kWh

21 – 200

100 imp/kWh

100,10,1 imp/kWh

201 – 2000

10 imp/kWh

10,1 imp/kWh

*when the CT setting on meter is 2000A, the default pulse constant is 10 imp/kWh and it can be set to 10 imp/kWh

or 1 imp/kWh.

Eastron DCM230 User Manual

B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer

Fax: +49 3574 4675519 Web: www.eastron-germany.de

- 5 -

*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 corresponding register value will be changed. The user can read this register through

communication 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.

Environment

Operating temperature -25℃ to +70℃

Reference temperature 23℃±2℃

Relative humidity 0 to 90%, non-condensing

Altitude up to 2000m

Installation category CAT II

Mechanical Environment M1

Electromagnetic environment E2

Degree of pollution 2

Mechanics

Din rail dimensions 36x99x63 (WxHxD) DIN 43880

Mounting DIN rail 35mm

Sealing IP51 (indoor)

Material Self-extinguishing UL94V-0

Eastron DCM230 User Manual

B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer

Fax: +49 3574 4675519 Web: www.eastron-germany.de

- 6 -

PART 2 Operation

Initialization Display

When it is powered on, the meter will initialize and do self-checking.

Full Screen (stay 2s)

Software Version (stay 2s)

Current Modbus address

(stay 2s)

Eastron DCM230 User Manual

B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer

Fax: +49 3574 4675519 Web: www.eastron-germany.de

- 7 -

Current baud rate (stay 2s)

Total active energy(kWh)

Total=Import+ Export

Max read: 999999.9 kWh

Buttons function

There are two buttons on the front panel.

>Scroll the display for data checking.

>Changing option at Set-up mode

>Exit the Set-up mode

>Set-up mode entry

>Confirmation

Eastron DCM230 User Manual

B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer

Fax: +49 3574 4675519 Web: www.eastron-germany.de

- 8 -

Scroll display

After initialization and self-checking program, the meter displays the measured values. The default page is total

kWh. If the user wants to check other information, please press the scroll button on the front panel.

Total active energy(kWh)

Total=Import+ Export

Display format:

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

99999.99 -> 100000.0 ->

999999.9 -> 00000.00

Partial resettable active

energy

Display format:

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

99999.99 -> 100000.0 ->

999999.9 -> 00000.00

T1~T4: total kWh

*Multi-tariff version only

Eastron DCM230 User Manual

B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer

Fax: +49 3574 4675519 Web: www.eastron-germany.de

- 9 -

Voltage

Current

Power

Display format:

<1000 W: XXX W

<1000kW: XXX.XXX kW

For other value: XXXX.XX kW

Pulse constant

Eastron DCM230 User Manual

B+G e-tech GmbH (EASTRON Germany) Fr.-Mehring St. 36 DE 01979 Lauchhammer

Fax: +49 3574 4675519 Web: www.eastron-germany.de

- 10 -

CT1 Primary current

Meter address

Baud rate

Parity

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