Eastron SDM630MCT-MT Manual

Eastron Måling SDM630MCT-MT

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1.Introduction

This document provides operating, maintenance and

installation instructions. This unit measures and displays

the characteristics of single phase two wires(1p2w),three

phase three wires(3p3w) and three phase four wires(3p4w)

networks.The measuring parameters include voltage(V),

frequency(Hz),current(A),power(kW/Kva/Kvar), mport, i

export and total Energy(kWh/kvArh).The unit can also

measures Maximum demand current and power. his is T

measured over preset periods of up to 60 minutes.

This unit is a 1A or 5A current transformer operated and can

be conﬁgured to work with a wide range of CTs. Built-in pulse

and Modbus or M Bus outputs.Conﬁguration is password -

protected.

This unit can be powered from a separate auxiliary (AC or DC)

supply. Alternatively it can be powered from the monitored

supply by linking the voltage reference and neutral reference in

to terminals 5 and 6 (Please refer to wiring diagram).

1.1 Unit Characteristics

The unit can measure and display:

• Voltage and THD% (total harmonic distortion) of all phases

• Line frequency

• Currents,current demand and current THD% of all phases

• Power, maximum power demand and power factor

• Active energy import d and exportede

• Reactive energy imported and exported

1.2 Current Transformer Primary Current

1.3 RS485 Modbus RTU

1.4 Pulse output

Two pulse outputs that pulse measured active and reactive

energy.The Pulse 2 constant for active energy is 3200imp/kWh.

(Terminals 11 & 12) The pulse width for Pulse 1 can be set

from the set-up menu (Terminals 9 & 10).

2.Start Up Screens

The ﬁrst screen lights up

all display segments and

can be used as a display

check.

S ftw re version information o a

The interface performs a

self-test and indicates the

result if the test passes.

*After a short delay, the screen will display active energy

measurements.

3.Measurements

The buttons operate as follows:

Selects the Voltage and Current display

screens. In Set-up Mode, this is the “Left”

or “Back” button.

Select the Frequency and Power factor

display screens. In Set-up Mode, this is

the “Up” button.

Select the Power display screens. In Set-

up Mode, this is the “Down” button.

Select the Energy display screens. In Set-

up mode, this is the “Enter” or “Right”

button.

3.1 Voltage and Current

Each successive press of the button selects a new parameter:

Phase to neutral voltages.

Current on each phase.

Phase to neutral voltage

THD%.

Current THD% for each

phase.

3.2 Frequency and Power Factor and Demand

Each successive press of the button selects a new range:

Frequency and Power

Factor (total).

Power Factor of each

phase.

Maximum Power Demand.

Maximum Current

Demand.

3.3 Power

Each successive press of the

button selects a new range:

Instantaneous Active

Power in kW.

Instantaneous Reactive

Power in kVAr.

Instantaneous Volt-Amps

in KVA.

Total kW, kVArh, kVA.

3.4 Energy Measurements

Each successive press of the button selects a new range:

Total active energy in kWh.

Total reactive energy in

kVArh.

4.Set Up

To enter set-up mode, press the

button for 3 seconds,

until the password screen appears.

Setting up is password-

protected so you must

enter the correct password

(default ‘1000’) before

processing.

If an incorrect password

is entered, the display will

show:

PASS Err

To exit setting-up mode, press

repeatedly until the

measurement screen is restored.

4.1 Set-up Entry Methods

Some menu items, such as password and CT, require a

four-digit number entry while others, such as supply system,

require selection from a number of menu options.

4.1.1 Menu Option Selection

and buttons to scroll through the

different options of the set up menu.

2. Press

to conﬁrm your selection

3. If an item ﬂashes, then it can be adjusted by the

and

buttons.

4. Having selected an option from the current layer, press

to conﬁrm your selection. The SET indicator will appear.

5. Having completed a parameter setting, press

to return

to a higher menu level. The SET indicator will be removed

and you will be able to use the

and buttons for

further menu selection.

6. On completion of all setting-up, press

repeatedly until

the measurement screen is restored.

4.1.2 Number Entry Procedure

When Setting up the unit, some screens require the entering

of a number. In particular, on entry to the setting up section, a

password must be entered. Digits are set individually, from left

to right. The procedure is as follows:

1. The current digit to be set ﬂashes and is set using the

and

buttons.

2. Press

to conﬁrm each digit setting. The SET indicator

appears after the last digit has been set.

3. After setting the last digit, press

to exit the number

setting routine. The SET indicator will be removed.

4.2 Change Password

Use the and

to choose the change

password option.

Press the to enter the

change password routine.

The new password screen

will appear with the ﬁrst

digit ﬂashing.

Use and to set

the ﬁrst digit and press

to conﬁrm your

selection. The next digit

will ﬂash.

Repeat the procedure for

the remaining three digits.

After setting the last digit,

SET will show.

Press

to exit the number setting routine and return to the

Set-up menu. SET will be removed.

4.3 DIT Demand Integration Time

This sets the period in minutes over which the current

and power readings are integrated for maximum demand

measurement. The options are: off, 5, 10,15 30,60 minutes.

From the set-up menu, use

and buttons

to select the DIT option.

The screen will show

the currently selected

integration time.

Press to enter the

selection routine. The

current time interval will

ﬂash.

Use and

buttons to select the time

required.

Press to conﬁrm the

selection. SET indicator

will appear.

Press to exit the DIT selection routine and return to the menu.

4.4 Supply System

Use this section to set the type of electrical system.

From the set-up menu, use

and buttons to

select the system option.

The screen will show the

currently selected power

supply.

Press to enter the

selection routine. The

current selection will ﬂash.

Use and

buttons to select the

required system option:

1P2(W),3P3(W) ,3P4(W).

Press to conﬁrm the

selection. SET indicator

will appear.

Press

to exit the system selection routine and return to

the menu. SET will disappear and you will be returned to the

main set-up Menu.

4.5 CT

The CT option sets the secondary current (CT2 1A or 5A)

of the current transformer (CT) that wires to the meter.

From the set-up menu,

use and buttons

to select the CT option.

Secondary CT setting

Press to enter the

CT secondary current

selection routine.:5A/1A

4.6 PT

The PT option sets the secondary voltage (PT2 100 to 500V) of

the voltage transformer (PT) that may be connected to the meter.

and buttons

to select the PT option.

The screen will show the

voltage PT secondary

voltage value. The default

value is 230V.

Secondary PT setting

Press to enter the

PT secondary voltage

selection routine. The

range is from 100 to 500V.

For example, if set the ratio to be 100,it means the primary

voltage equals secondary voltage x100.

Warnings

Important Safety Information is contained in the

Maintenance section. Familiarize yourself with this

information before attempting installation or other

procedures. Symbols used in this document:

Risk of Danger: These instructions contain

important safety information. Read them before

starting installation or servicing of the equipment.

Caution: Risk of Electric Shock

User Manual V1.1

1. Use the

The unit has a default setting of 3Phase 4wire (3P4).

Three Phase Multifunction Energy Meter

Use

DIN RAIL SMART METER

FOR SINGLE AND THREE PHASE

ELECTRICAL SYSTEMS

* Please note for the MID approved version device,you will

only have one opportunity to set the ratio.

SDM630 MCT-MT

C1C2

C1 C2

T1 reactive energy in kVArh

T2 reactive energy in kVArh

T1 active energy in kWh

T2 active energy in kWh

SDM630MCT-MT has a RS485 port with Modbus RTU

protocol.

Rs485 provide a means of remotely monitoring and

controlling the unit. Set-up screens are provided for

settingup the communication port.

C1 C2

• Multi-tariff

SDM630MCT-MT is CT operated you will need to set the

correct CT ratio.

C1 C2

T3 active energy in kWh

C1 C2

T4 active energy in kWh

C1 C2

T3 reactive energy in kVArh

C1 C2

T4 reactive energy in kVArh

Set CT Ratio value

Press to enter the

CT Ratio setting screen.

The range is from 0001

to 2000.

For example, if using a 100/5A current transformer you

will enter 0020, as you need to divide the primary by the

secondary to get the ratio (CT rate).

Set PT ratios value

Press to enter the PT

ratio screen.

The range is from 0001

to 9999.

As an example: If using 100/5A CT, you will need to insure

CT2 (Secondary) is set to 5 and CT rate is 0020. You divide

the primary by the secondary to get the CT rate to be entered

(100/5=20).

• Changing password

• Supply system selection 1p2w, 3p3w, 3p4w

• Demand Interval time

• Reset for demand measurements

• Pulse output duration

The unit has password-protected set-up screens for:

MID

4.7.1 Pulse rate

Use this to set the energy represented by each pulse.

Rate can be set to 1 pulse per

0.01kWh/0.1kWh/1kWh/10kWh/100kWh.

(It shows 1 impulse = 10kWh/kVArh)

From the set-up menu,

use

and

buttons

to select the Pulse Rate

option.

Press to enter the

selection routine. The

current setting will ﬂash.

0.01/0.1/1/10/100kWh/

kVArh per pulse.

Use

and buttons to choose pulse rate.

On completion of the entry procedure, press to conﬁrm

the setting and press

to return to the main set up menu.

4.7.2 Pulse Duration

The energy monitored can be active or reactive and the pulse

width can be selected as 200, 100 or 60ms.

(It shows pulse width of 200ms)

From the set-up menu,

use

and buttons

to select the Pulse width

option.

Press to enter the

selection routine. The

current setting will ﬂash.

Use

and buttons to choose pulse width.

On completion of the entry procedure press to conﬁrm

the setting and press

to return to the main set-up menu.

4.8 Communication

There is a RS485 port can be used for communication using

Modbus RTU protocol. For Modbus RTU, parameters are

selected from Front panel.

4.8.1 RS485 Address

(The range is from 001 to 247)

From the set-up menu,

and

buttons to

select the address ID.

Press button to enter

the selection routine. The

current setting will be

ﬂashing.

Use and

buttons to choose Modbus

address (001 to 247).

On completion of the entry procedure, press

button to

conﬁrm the setting and press

button to return the main

set-up menu.

5.Speciﬁcations

5.1 Measured Parameters

The unit can monitor and display the following parameters of a

single phase two wire(1p2w), three phase three wire(3p3w) or

three phase four wire(3p4w) system.

5.1.1 Voltage and Current

• Phase to neutral voltages 100 to 289V a.c. (not for 3p3w

supplies).

• Voltages between phases 173 to 500V a.c. (3p supplies

only).

• Percentage total voltage harmonic distortion (THD%) for

each phase to N ( not for 3p3w supplies).

• Percentage voltage THD% between phases (three phase

supplies only).

• Current THD% for each phase

5.1.2 Power factor and Frequency and

• Frequency in Hz

• Instantaneous power:

• Power 0 to 3600 MW

• Reactive power 0 to 3600 MVAr

• Volt-amps 0 to 3600 MVA

5.3 Accuracy

• Voltage 0.5% of range maximum

• Current 0.5% of nominal

• Frequency 0.2% of mid-frequency

• Power factor 1% of unity (0.01)

• Active power (W) 1% of range maximum±

• Reactive power (VAr) 1% of range maximum±

• Apparent power (VA) 1% of range maximum±

• Active energy (Wh) Class 1 IEC 62053-21

• Reactive energy (VArh) 1% of range maximum±

• Total harmonic distortion 1% up to 31st harmonic

• Response time to step input 1s, typical, to >99% of

ﬁnal reading, at 50 Hz.

5.4 Auxiliary Supply

Two-way ﬁxed connector with 2·5mm2 stranded wire capacity.

85 to 275V a.c. 50/60Hz ±10% or 120V to 380V d.c. ±20%.

Consumption < 10W.

5.5 Interfaces for External Monitoring

Three interfaces are provided:

• RS485 communication channel that can be programmed

via protocol remotely.

• Pulse output(Pulse 2) 3200imp/kWh (not conﬁgurable)

The Modbus conﬁguration (baud rate etc.) and the pulse

relay output assignments (kW/kVArh, import/export etc.) are

conﬁgured through the set-up screens.

5.5.1 Pulse Output

The pulse output can be set to generate pulses to represent

kWh or kVArh.

Rate can be set to generate 1 pulse per:

0.01 = 10 Wh/VArh

0.1 = 100 Wh/VArh

1 = 1 kWh/kVArh

10 = 10 kWh/kVArh

100 = 100 kWh/kVArh

Pulse width 200/100/60 ms

Relay Rating 240V ac 50mA

5.5.2 RS485 Output for Modbus RTU

For Modbus RTU, the following RS485 communication

parameters can be conﬁgured from the set-up menu:

Baud rate 2400, 4800, 9600, 19200, 38400

Parity none (default) / odd / even

Stop bits 1 or 2

RS485 network address nnn – 3-digit number, 1 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.

5.6 Reference Conditions of Inﬂuence

Inﬂuence Quantities are variables that affect measurement

errors to a minor degree. Accuracy is veriﬁed under nominal

value (within the speciﬁed tolerance) of these conditions.

• Ambient temperature 23°C ±1°C

• Input frequency 50 or 60Hz ±2%

• Input waveform Sinusoidal (distortion

factor < 0·005)

• Auxiliary supply voltage Nominal ±1%

• Auxiliary supply frequency Nominal ±1%

• Auxiliary supply waveform (if AC) Sinusoidal (distortion

factor < 0·05)

• Magnetic ﬁeld of external origin Terrestrial ﬂux

5.7 Environment

• Operating temperature 25°C to +55°C*-

• Storage temperature 40°C to +70°C*-

• Relative humidity 0 to 95%, non-

condensing

• Altitude Up to 3000m

• Warm-up time 1 minute

• Vibration 10Hz to 50Hz, IEC

60068-2-6, 2g

• Shock 30g in 3 planes

* Maximum operating and storage temperatures are in the

context of typical daily and seasonal variation.

5.8 Mechanics

• DIN rail dimensions 72 x 94.5 mm (WxH)

per DIN 43880

• Mounting DIN rail (DIN 43880)

• Sealing Ip51 (indoor)

• Material Self-extinguishing

Ul94 V-0

6.Dimensions

7.Installation

Max. Demand

Quantities

Press

to conﬁrm the setting and press

to return to

the main set-up menu.

• Maximum demanded power since last Demand reset

Power factor

• Maximum neutral demand current, since the last Demand

reset (for three phase supplies only)

5.1.3 Energy Measurements

• Import/Export active energy 0 to 9999999.9 kWh

• Import/Export reactive energy 0 to 9999999.9 kVArh

• Total active energy 0 to 9999999.9 kWh

• Total reactive energy 0 to 9999999.9 kVArh

5.2 Measured Inputs

Voltage inputs through 4-way ﬁxed connector with 2.5mm²

stranded wire capacity.single phase two wire(1p2w), three

phase three wire(3p3w) or three phase four wire(3p4w)

unbalanced. Line frequency measured from L1 voltage or

L3 voltage.

Three current inputs (six physical terminals) with 2.5mm²

stranded wire capacity for connection of external CTs. Nominal

rated input current 5A or 1A a.c. Rms.

Zhejiang Eastron Electronic Co , Ltd. .

Building 13, No 1369 Chengnan Rd. .

Jiaxing, Zhejiang, CHINA

Email:sales@eastrongroup.com

Web:www.eastron.com.cn

Tel:86 573 83698881/83698882

Tel:86 573 83698883

5. 9 Declaration of Conformity(for the MID

approved version meter only)

1000 = 1000 kWh/kVArh

1 2 3 4

15 16

17 18

19 20

1 2 3 4

P2 P1

S2 S1

P2 P1

S2 S1

P2 P1

S2 S1

P1P2

S1S2

P2 P1

S1S2

P1P2

3 PHASE 4 WIRE3 PHASE 3 WIRE1 PHASE 2 WIRE

15 16

17 18

19 20

15 16

17 18

19 20

MEASURED VOLTAGE CURRENT INPUTS

MEASURED VOLTAGE

CURRENT INPUTS

The wiring diagram of SDM630MCT V2 series has little

difference from different models. please make sure the

wiring is correct before turning on power of the meter.

Current and Voltage inputs

Deﬁnitions of other terminals

9 10 11 12 13 14

5 6

AUXILIARY

SUPPLY

L N

7 8

POWER

OUTPUT

L N

1 2 RS485

B AGND

SDM630MCT-MT

4.8.2 Baud Rate

From the set-up menu,

use and buttons

to select the Baud Rate

option.

Press to enter the

selection routine. The

current setting will ﬂash.

Use and

buttons to choose Baud

rate 2.4k. 4.8k, 9.6k, 19.2k,

38.4k

On completion of the entry procedure, press

to conﬁrm

the setting and press

to return to the main set-up menu.

4.8.3 Parity

From the set-up menu, use

and buttons to

select the parity option.

Press to enter the

selection routine. The

current setting will ﬂash.

Use and buttons

to choose parity (EVEN /

ODD / NONE (default)).

On completion of the entry procedure, press

to conﬁrm

the setting and press

to return to the main set-up menu.

4.8.4 Stop bits

From the set-up menu, use

and buttons to

select the stop bit option.

Press to enter the

selection routine. The

current setting will ﬂash.

Use and

buttons to choose stop bit

(2 or 1)

On completion of the entry procedure, press

to conﬁrm

the setting and press

to return to the main set-up menu.

4.9 Backlit set-up

Default:60

Press

to conﬁrm the setting and press

to return to

the main set-up menu.

4.10 CLR

The meter provides a function to reset the maximum demand

value of current and power.

From the set-up menu, use

and buttons to

select the reset option.

The meter provides a function to set the blue backlit

lasting time( 0/5/10/30/60/120 minutes).

If it’s setted as 5,the backlit

will be off in 5minutes.

Use and

buttons to choose the time

Option 0 means the backlit always on here.

Note: Default is 1, and only when the parity is

NONE that the stop bit can be changed to 2.

to select the Pulse output

option.

Press to enter the

selection routine. The unit

symbol will ﬂash.

Use and

buttons to choose kWh or

kVArh.

On completion of the entry procedure, press

to conﬁrm

the setting and press

to return to the main set up menu.

This option allows you to conﬁgure the pulse output. The

output can be set to provide a pulse for a deﬁned amount of

energy active or reactive. Use this section to set up the relay

pulse output—Units: kWh, kVArh

From the set-up menu, use

and buttons

4.7 Pulse Output

Press to enter the

selection routine. The dIt

will ﬂash.

We Zhejiang Eastron Electronic Co.,Ltd.

Declare under our sole responsibility as the manufacturer that the

poly phase multifuntion electrical energy meter “SDM630MCT-MT

Serise”

correspond to the production model described in the EU

-type examination certiﬁcate and to the requirements of the

Directive 2014/32/EU EU type examination certiﬁcate number

0120/SGS0142. Identiﬁcation number of the NB0120.

4.11 CT reversal

Use the and buttons

to select the menu option.

Hold the button to view

the sub-menu.

This screen will display,

you can change “Forward”

to “Reverse” on each

individual CT connection.

If the CT connections are incorrectly wired, they can be reversed

through the “Set System Continued” menu:

Hold the button to

conﬁrm your adjustment.

You can then move on to

IB or IC using the and

buttons.

4.12 Date and Time set-up

From the set-up menu, use

and buttons to

select the parity option.

From the set-up menu, use

and buttons to

select the time option.

Press to enter the

selectionroutine, the current

setting will ﬂash.Use and

buttions to select the time

potion.

Press to enter the

selection routine, the currect

setting will ﬂash. Press

and to select value,

press to conﬁrm.

Produkt Specifikationer

Mærke:	Eastron
Kategori:	Måling
Model:	SDM630MCT-MT

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