Eastron SDM230-Modbus User manual

Eastron SDM230-Modbus User Manual

Jiaxing Eastron Electronic Instruments Co.,Ltd. Tel: 0086-573-83698881 / 83698882 Fax: 0086-573-83698883

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

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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 V1.3

2015

Eastron SDM230-Modbus User Manual

Jiaxing Eastron Electronic Instruments Co.,Ltd. Tel: 0086-573-83698881 / 83698882 Fax: 0086-573-83698883

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

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Application

The energy-eters with a lue ak-lighted LCD sree for prefet readig are used to easure 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) 5A

Max. Current (Imax) 100A

Mini Current (Imin) 0.25A

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 wavform

Overcurrent withstand 30Imax for 0.01s

Pulse output rate 1000imp/kWh (default)

100/10/1 imp/kWh/kVarh (configurable)

Display LCD with blue backlit

Max. Reading 999999.9kWh

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 EN50470-3

Reactive energy 1% of range maximum

Eastron SDM230-Modbus User Manual

Jiaxing Eastron Electronic Instruments Co.,Ltd. Tel: 0086-573-83698881 / 83698882 Fax: 0086-573-83698883

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

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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 2500m

Warm up time 10s

Installation category CAT III

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 / 1 kWh/kVarh.

Pulse width: 200/100/60ms

Pulse output 2 is non-configurable. It is fixed up with 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

Parity: NONE/EVEN/ODD

Stop bits:1 or 2

Modbus Address: 1 to 247

Mechanics

Din rail dimensions 36x99x63 (WxHxD) DIN 43880

Mounting DIN rail 35mm

Sealing IP51 (indoor)

Material self-extinguishing UL94V-0

Eastron SDM230-Modbus User Manual

Jiaxing Eastron Electronic Instruments Co.,Ltd. Tel: 0086-573-83698881 / 83698882 Fax: 0086-573-83698883

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

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LCD display

Item

Descriptions

7 digits used to display measured values or RTC

Total value

Import information, Export information

Max. Demand for Power or Current

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

Jiaxing Eastron Electronic Instruments Co.,Ltd. Tel: 0086-573-83698881 / 83698882 Fax: 0086-573-83698883

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

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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

Total reactive energy

Example: 10.00kVarh

Import reactive energy

Example: 5.00kVarh

Export reactive energy

Example: 5.00kVarh

Eastron SDM230-Modbus User Manual

Jiaxing Eastron Electronic Instruments Co.,Ltd. Tel: 0086-573-83698881 / 83698882 Fax: 0086-573-83698883

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

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Total resettable reactive energy

Total max. demand

Example: 6930W

Voltage

Example: 229.8V

Current

Example: 30.156A

Active Power

Example: 4700W

Reactive Power

Example: 1030Var

Apparent power

Example: 4811VA

Eastron SDM230-Modbus User Manual

Jiaxing Eastron Electronic Instruments Co.,Ltd. Tel: 0086-573-83698881 / 83698882 Fax: 0086-573-83698883

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

- 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

Jiaxing Eastron Electronic Instruments Co.,Ltd. Tel: 0086-573-83698881 / 83698882 Fax: 0086-573-83698883

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

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Set-up Mode

To get into Set-up Mode, the user eed press the Eter utto 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

Address ID

Default ID is 001

Range: 001~247

2-1

Press the Eter utto, the first digit

flash.

Press the Sroll utto to hage the

value. After choose the new address value,

the user eed pressig the Eter utto

to confirm the setting.

Baud rate

Default value: 2400bps

Range: 1200, 2400, 4800, 9600bps.

Eastron SDM230-Modbus User Manual

Jiaxing Eastron Electronic Instruments Co.,Ltd. Tel: 0086-573-83698881 / 83698882 Fax: 0086-573-83698883

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

- 9 -

3-1

Press the Eter utto, the red digit flash.

Press the Sroll utto to hage the

value.

After choose the new baud rate, the user

eed pressig the Eter utto to ofir

the setting.

Parity

Default: None

Option：None, Even, Odd

4-1

Press the Eter utto, the red part flash.

Press the Sroll utto to hage the

option.

After choose the new Parity, the user need

pressig the Eter utto to ofir the

setting.

Pulse Output

Default: Export kWh

Option：kWh / KVarh / Imp. Kwh /

Exp. kWh / Imp. kVarh / Exp. kVarh

5-1

Press the Eter utto, the red part flash.

Press the Sroll utto to hage the

option.

After choose the new Pulse output option,

the user eed pressig the Eter utto

to confirm the setting.

Pulse Constant

Default: 1000

Option: 1000 / 100 / 10 / 1

6-1

Press the Eter utto, the red part flash.

Press the Sroll utto to hage the

option.

After choose the new Pulse constant option,

the user eed pressig the Eter utto

to confirm the setting.

Eastron SDM230-Modbus User Manual

Jiaxing Eastron Electronic Instruments Co.,Ltd. Tel: 0086-573-83698881 / 83698882 Fax: 0086-573-83698883

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

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Pulse duration

Default: 100mS

Option: 200 / 100 / 60ms

7-1

Press the Eter utto, the red part flash.

Press the Sroll utto to hage the

option.

After choose the new Pulse duration option,

the user eed pressig the Eter utto

to confirm the setting.

Demand Integration Time

Default: 15 minutes

Option: 0 / 5 / 10 / 15 / 30 / 60

8-1

Press the Eter utto, the red part flash.

Press the Sroll utto to hage the

option.

After choose the new DIT option, the user

need pressig the Eter utto to ofir

the setting.

Automatic Scroll Time Interval

Default: 0 S

Option: 0 ~ 30S

9-1

Press the Eter utto, the red part flash.

Press the Sroll utto to hage the

option.

After hoose the ew Srl optio, the user

eed pressig the Eter utto to ofir

the setting.

Backlit lasting time set-up

Default: 60 min

Option: 0OFF/ 5/ 10/ 20/ 30/ 60

Long press Enter utto to eter set-up

mode.

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