Eastron DCM230 User manual

Eastron DCM230 User Manual

Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 83698882 Fax: 0086-573-83698883

Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn Email: sales@eastrongroup.com

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⚫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

2019

Eastron DCM230 User Manual

Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 83698882 Fax: 0086-573-83698883

Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn Email: sales@eastrongroup.com

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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

General Specifications

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

Auxiliary Supply 85~300V AC (DCM230-1)

or 9-60V DC (DCM230-2)

DC Shunt Input 75mV (default)

60mV, 45mV (optional)

Current Range 0~2000A

Power consumption ≤ 2W / 5VA

AC voltage withstand 4400V/ 1min

Impulse voltage withstand 6.4kV - 1.2/50µS waveform

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

Pulse duration 60, 100 (default), 200mS

Pulse output indicate Total kWh/ import kWh/ export kWh

Eastron DCM230 User Manual

Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 83698882 Fax: 0086-573-83698883

Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn Email: sales@eastrongroup.com

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Display LCD with backlit

Max. Reading 999999.9kWh

Weight 220g

Standard 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.

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

Eastron DCM230 User Manual

Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 83698882 Fax: 0086-573-83698883

Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn Email: sales@eastrongroup.com

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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.

*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

PART 2 Operation

Initialization Display

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

Eastron DCM230 User Manual

Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 83698882 Fax: 0086-573-83698883

Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn Email: sales@eastrongroup.com

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Full Screen (stay 2s)

Software Version (stay 2s)

Current Modbus address

(stay 2s)

Eastron DCM230 User Manual

Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 83698882 Fax: 0086-573-83698883

Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn Email: sales@eastrongroup.com

- 6 -

Scroll display

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

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.

Eastron DCM230 User Manual

Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 83698882 Fax: 0086-573-83698883

Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn Email: sales@eastrongroup.com

- 7 -

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

Voltage

Eastron DCM230 User Manual

Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 83698882 Fax: 0086-573-83698883

Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn Email: sales@eastrongroup.com

- 8 -

Current

Power

Display format:

<1000 W: XXX W

<1000kW: XXX.XXX kW

For other value: XXXX.XX kW

Pulse constant

CT1 Primary current

Eastron DCM230 User Manual

Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 83698882 Fax: 0086-573-83698883

Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn Email: sales@eastrongroup.com

- 9 -

Meter address

Baud rate

Parity

Date

*Multi-tariff version only

Eastron DCM230 User Manual

Zhejiang Eastron Electronic Co.,Ltd. Tel: 0086-573-83698881 83698882 Fax: 0086-573-83698883

Address: No.1369 Chengnan Road, Jiaxing, Zhejiang, 314001, China. Web: www.eastron.com.cn Email: sales@eastrongroup.com

- 10 -

Time

*Multi-tariff version only

Software Version

Set-up Mode

To get into Set-up Mode, the user need press the “Enter” button for 3 second.

Page

Display

Descriptions

Password

To get into Set-up mode, it asks a password

confirmation. Default password: 1000

Use and to enter correct password.

Keep pressing for 3 second, the current selection

will flash, use and to change the Modbus

address. Options: 1~247

Keep press for 3s to confirm the selection.

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