Eastron SDM230-Modbus User manual

Eastron SDM230-Modbus User Manual

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

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

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SDM230-Modbus

Single-Phase Two Module DIN rail Meters

Measures kWh, kVArh, kW, kVAr, kVA, PF, Hz, dmd, V, A, etc.

Bi-directional measurement IMP & EXP

Two pulse outputs

RS485 Modbus

Din rail mounting 35mm

100A direct connection

Better than Class 1 / B accuracy

User Manual V1.6

Eastron SDM230-Modbus User Manual

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

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

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Application

The energy-meters “with a white back-lighted LCD screen for prefect reading” are used to measure single-phase

like residential, utility and industrial application. The unit measures and displays various important electrical

parameters, and provide a communication port for remote reading and monitoring. Bi-directional energy

measurement makes the unit a good choice for solar PV energy metering.

PART 1 Specification

General Specifications

Voltage AC (Un) 230V

Voltage Range 176~276V AC

Base Current (Ib) 10A

Max. Current (Imax) 100A

Mini Current (Imin) 0.5A

Starting Current 0.4% of Ib

Power Consumption <2W/10VA

Frequency 50/60Hz(±10%)

AC Voltage Withstand 4KV for 1 minute

Impulse Voltage Withstand 6KV-1.2uS waveform

Overcurrent Withstand 30 Imax for 0.01s

Pulse Output Rate

-Pulse Output 1 1000/100/10/1 imp/Exp/kWh/kVArh (configurable)

-Pulse Output 2 1000imp/kWh (default) for import kWh

Display LCD with white backlit

Max. Reading 999999.9 kWh/kVArh

Accuracy

Voltage 0.5% of range maximum

Current 0.5% of nominal

Frequency 0.2% of mid-frequency

Power factor 1% of Unity

Active power 1% of range maximum

Reactive power 1% of range maximum

Apparent power 1% of range maximum

Active energy Class 1 IEC62053-21

Class B EN50470-1/3

Reactive energy Class 2 IEC62053-23

Eastron SDM230-Modbus User Manual

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

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

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Environment

Operating temperature -25℃to +55℃

Storage and transportation temperature -40℃to +70℃

Reference temperature 23℃±2℃

Relative humidity 0 to 95%, non-condensing

Altitude up to 2000m

Warm up time 5s

Installation category CAT II

Mechanical Environment M1

Electromagnetic environment E2

Degree of pollution 2

Output

Pulse Output

The meter provides two pulse outputs. Both pulse outputs are passive type.

Pulse output 1 is configurable. The pulse output can be set to generate pulses to represent total / import/export

kWh or kVArh.

The pulse constant can be set to generate 1 pulse per: 0.001(default) /0.01/0.1/1kWh/kVArh.

Pulse width: 200/100/60ms

Pulse output 2 is non-configurable. It is fixed to import kWh. The constant is 1000imp/kWh.

RS485 output for Modbus RTU

The meter provides a RS485 port for remote communication. Modbus RTU is the protocol applied. For Modbus

RTU, the following RS485 communication parameters can be configured from the Set-up menu.

Baud rate: 1200, 2400, 4800, 9600 bps. Default: 2400bps

Parity: NONE/EVEN/ODD

Stop bits:1 or 2

Modbus Address: 1 to 247

Mechanics

Din rail dimensions 36x100x63 (WxHxD) DIN 43880

Mounting DIN rail 35mm

Ingress protection IP51 (indoor)

Material self-extinguishing UL94V-0

Eastron SDM230-Modbus User Manual

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

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

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LCD display

Item

Descriptions

7 digits used to display measured values or RTC

Total value

4 Import information, Export information

5 Max. Demand for Power or Current

6 Pulse output 1 and Pulse output 2

Measurement units

PF = power factor Hz = frequency

Bar display of Power

Communication indicator

Time information

Low battery warning

Lock symbol

PART 2 Operation

Initialization Display

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

Full screen software version Modbus ID Baud rate total kWh

Scroll display by Button

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

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

The display order by scroll button :

Total kWhimport kWhexport kWhtotal kVArhimport kVArhexport kVArh

Max. power demandvoltagecurrentWVarVApower factor 

frequencypulse constantModbus ID baudrate.

The display order by scroll button :

Total kWhimport kWhexport kWhresettable kWhtotal kVArhimport kVArhexport kVArh

resettable kVArhMax. power demandvoltagecurrentWVArVApower factor 

frequencypulse constantModbus ID baud ratecontinuous running time.

Eastron SDM230-Modbus User Manual

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

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

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Page

Display

Descriptions

Total active energy

Example:70.00kWh

Import active energy

Example: 50.00kWh

Export active energy

Example: 20.00kWh

Total resettable energy

5Total reactive energy

Example: 10.00kVArh

6Import reactive energy

Example: 5.00kVArh

Export reactive energy

Example: 5.00kVArh

Eastron SDM230-Modbus User Manual

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

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

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Total resettable reactive energy

9Total max. power demand

Example: 6930W

Voltage

Example: 229.8V

Current

Example: 30.156A

Active Power

Example: 4700W

13 Reactive Power

Example: 1030VAr

14 Apparent power

Example: 4811VA

Eastron SDM230-Modbus User Manual

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

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

- 7 -

Power factor

Example: 1.000

Frequency

Example: 49.99Hz

Pulse constant

Example: 1000

Modbus address

Example: 001

Baud rate

Example: 9600

Continuous running time(In total)

Eastron SDM230-Modbus User Manual

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

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

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Set-up Mode

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

Page

Display

Descriptions

The setting is done correctly

The entering information is wrong. The

operation fails.

Password

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

confirmation.

Default password: 1000

2Address ID

Default ID is 001

Range: 001~247

2-1 Press the “Enter” button, the

first digit

flash.

Press the “Scroll” button to change the

value. After choosing

the new address

value, the user need pressing the “Enter”

button to confirm the setting.

Baud rate

Default value: 2400bps

Range: 1200, 2400, 4800, 9600bps.

Eastron SDM230-Modbus User Manual

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

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

- 9 -

3-1

Press the “Enter” button, the red digit flash.

Press the “Scroll” button to change the

value.

After choosing the new baud rate, the user

need pressing the “Enter” button to confirm

the setting.

4Parity

Default: None

Option：None, Even, Odd

4-1

Press the “Enter” button, the red part flash.

Press the “Scroll” button to change the

option.

After choosing

the new Parity, the user

need pressing the “Enter” button to confirm

the setting.

Pulse Output

Default: Export kWh

Option：kWh / kVArh / Imp. kWh /

Exp.kWh / Imp.kVArh / Exp.kVArh

5-1

Press the “Enter” button, the red part flash.

Press the “Scrol

l” button to change the

option.

After choosing the new Pulse output option,

the user need pressing the “Enter” button

to confirm the setting.

Pulse Constant

Default: 1000

Option: 1000 / 100 / 10 / 1

6-1

Press the “Enter” button, the red part flash.

Press the “Scroll” button to change the

option.

After choosing

the new Pulse constant

option, the user need pressing the “Enter”

button to confirm the setting.

Eastron SDM230-Modbus User Manual

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

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

- 10

Pulse duration

Default: 100mS

Option: 200 / 100 / 60ms

7-1

Press the “Enter” button, the red part flash.

Press the “Scroll” button to change the

option.

After choosing

the new Pulse duration

option, the user need pressing the “Enter”

button to confirm the setting.

Demand Integration Time

Default: 15 minutes

Option: 5 / 10 / 15 / 30 / 60 / OFF

8-1

Press the “Enter” button, the red part flash.

Press the “Scroll” button to change the

option.

After choosing the new DIT option, the user

need pressing the “Enter” button to confirm

the setting.

Automatic Scroll Time Interval

Default: 0 S

Option: 0 ~ 30S

9-1

Press the “Enter” button, the red part flash.

Press the “Scroll” button to change the

option.

After choosing

the new “Scrl” option, the

user need pressing the “Enter” button to

confirm the setting.

Backlit lasting time set-up

Default: 60 min

Option: 0（OFF）/ 5/ 10/ 20/ 30/ 60

Long press “Enter” button to enter set-up

mode.

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