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  9. Eastron SDM630-Modbus MID V2 User manual

Eastron SDM630-Modbus MID V2 User manual

EASTRON SDM630-Modbus MID V2 User Manual
SDM630-Modbus MID V2
DIN Rail Smart Meter for Single and Three Phase Electrical Systems
●Measures kWh Kvarh, KW, Kvar, KVA, P,
F, 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
2020 V1.1
1
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
Introduction
The SDM630-Modbus MID V2 measures and displays the characteristics of single phase two wires
(1p2w), three phase three wires (3p3w,) and three phase four wires(3p4w) supplies, including
voltage, frequency, current, power, active and reactive energy, imported or exported. Energy is
measured in terms of kWh, kVArh. Maximum demand current can be measured over preset
periods of up to 60 minutes. In order to measure energy, the unit requires voltage and current
inputs in addition to the supply required to power the product.
SDM630-Modbus MID V2 supports max. 100A direct connection, saves the cost and avoid the
trouble to connect external CTs, giving the unit a cost-effective and easy operation. Built-in
interfaces provide pulse and RS485 Modbus RTU outputs. Configuration is password protected.
Unit Characteristics
The Unit can measure and display:
●Line voltage and THD% (total harmonic distortion) of all phases
●Line Frequency
●Currents, Current demands and current THD% of all phases
●Power, maximum power demand and power factor
●Active energy imported and exported
●Reactive energy imported and exported
The unit has password-protected set-up screens for:
●Changing password
●Supply system selection 1p2w, 3p3w,3p4w
●Demand Interval Time (DIT)
●Reset for demand measurements
●Pulse output duration
Two pulse output indicates real-time energy measurement. An RS485 output allows remote
monitoring from another display or a computer.
RS485 Serial–Modbus RTU
This uses an RS485 serial port with Modbus RTU protocol to provide a means of remotely
monitoring and controlling the Unit
Set-up screens are provided for setting up the RS485 port.
Pulse output
This provides two pulse outputs that clock up measured active and reactive energy. The constant
of pulse output 2 for active energy is 400imp/kWh (unconfigurable), its width is fixed at 100ms.
The default constant of configurable pulse output 1 is 400imp/kWh, default pulse width is
100ms.The configurable pulse output 1 can be set from the set-up menu.
2
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
Start-up Screens
1
The first screen lights up all display
segments and can be used as a display
check
2
The second screen indicates the firmware
installed in the unit and its build number.
3
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.
Measurements
The buttons operate as follows:
1
Selects the Voltage and Current display screens
In Set-up Mode, this is the “Left” or “Back” button.
2
Select the Frequency and Power factor display screens
In Set-up Mode, this is the “Up” button
3
Select the Power display screens
In Set-up Mode, this is the “Down” button
4
Select the Energy display screens
In Set-up mode, this is the “Enter” or “Right” button
3
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
Voltage and Current
Each successive pressing of the button selects a new range:
1-1
Phase to neutral voltages(3p4w)
1-2
Phase to neutral voltages(3p3w)
2
Current on each phase
3-1
Phase to neutral voltage THD%(3p4w)
3-2
Phase to neutral voltage THD%(3p3w)
4
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
4
Current THD% for each phase
Frequency and Power factor and Demand
Each successive pressing of the button selects a new range:
1
Frequency and Power Factor (total)
2
Power Factor of each phase
3
Maximum Power Demand
4
Maximum Current Demand
5
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
Power
Each successive pressing of the button select a new range:
1
Instantaneous Active Power in kW
2
Instantaneous Reactive Power in kVAr
3
Instantaneous Volt-amps in KVA
4
Total kW, kVArh, kVA
Energy Measurements
Each successive pressing of the button selects a new range:
1-1
Imported active energy in kWh
6
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
1-2
Exported active energy in kWh
2-1
Imported reactive energy in kVArh
2-2
Exported reactive energy in kVArh
3-1
Total active energy in kWh
3-2
Total reactive energy in kVArh
7
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
Set-up
To enter set-up mode, pressing 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: Err
To exit setting-up mode, press repeatedly until the measurement screen is restored.
Set-up Entry Methods
Some menu items, such as password, require a four-digit number entry while others, such as supply
system, require selection from a number of menu options.
Menu Option Selection
1) Use the and buttons to select the required item from the menu. Selection does
not roll over between bottom and top of list
2) Press to confirm your selection
3) If an item flashes, then it can be adjusted by the and buttons. If not, there
maybe a further layer.
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 set-up, press repeatedly until the measurement screen is restored.
8
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
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.
Change password
1
Use the and to choose
the change password option
2-1
Press the to enter the change
password routine. The new password
screen will appear with the first digit
flashing
2-2
Use and to set the first
digit and press to confirm your
selection. The next digit will flash.
2-3
Repeat the procedure for the remaining
three digits
9
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
2-4
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
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: 0, 5, 8, 10, 15, 20, 30, 60 minutes
1
From the set-up menu, use and
buttons to select the DIT option.
The screen will show the currently
selected integration time.
2-1
Press to enter the selection
routine.
The current time interval will flash
2-2
Use and buttons to
select the time required.
10
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
2-3
Press to confirm the selection.
SET indicator will appear.
Press to exit the DIT selection routine and return to the menu.
Backlit set-up
1
The backlit lasting time is settable
Default lasting time is 60minutes
For example, if it’s set as 5, the backlit
will be off in 5minutes from the last time
operation on the meter.
2
Press to enter the selection
routine. The current time interval will
flash
The options can be:
0(always on),5,10,30,60,120minutes
Use and buttons to select the time required. Press to confirm the set-
up,
Supply System
Use this section to set the type of power supply being monitored.
1
From the Set-up menu, use and
buttons to select the System
option. The screen will show the currently
selected power supply.
11
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
2-1
Press to enter the selection
routine. The current selection will flash
2-2
Use and buttons to
select the required system option:
1P2(W),3P3(W) ,3P4(W)
2-3
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
Pulse output
This option allows you to configure the pulse output 1. 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 pulse output for:
Total kWh/ Total kVArh
Import kWh/Export kWh
Import KVArh/Export KVArh
1
From the Set-up menu, use and
buttons to select the Pulse
output option.
12
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
2-1
Press to enter the selection
routine. The unit symbol will flash.
2-2
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.
Pulse rate
Use this to set the energy represented by each pulse. Rate can be set to 1 pulse per
dFt/0.01/0.1/1/10/100kWh/kVArh.
(It shows 1 impulse = 10kWh/kVArh)
1
From the Set-up menu, use and
buttons to select the Pulse Rate
option.
13
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
2
Press to enter the selection
routine. The current setting will flash.
Note: When it’s dFt,
it means 2.5Wh/VArh
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.
Pulse Duration
The energy monitored can be active or reactive and the pulse width can be selected as
200, 100(default) or 60ms.
(It shows pulse width of 200ms)
1-1
From the Set-up menu, use and
buttons to select the Pulse width
option.
1-2
Press to enter the selection
routine. The current setting will flash.
14
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
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.
Communication
There is a RS485 port can be used for communication using Modbus RTU protocol. For Modbus
RTU, parameters are selected from Front panel.
RS485 Address
(The range is from 001 to 247)
1
From the Set-up menu, use and
buttons to select the Address ID
2-1
Press button to enter the
selection routine. The current setting will
be flashing.
2-2
Use and buttons to
choose Modbus Address(001 to 247)
15
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
On completion of the entry procedure, press button to confirm the setting and press
button to return the main set-up menu.
Baud Rate
1
From the Set-up menu, use and
buttons to select the Baud Rate
option.
2-1
Press to enter the selection
routine. The current setting will flash.
2-2
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.
16
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
Parity
1
From the Set-up menu, use and
buttons to select the Parity option.
2-1
Press to enter the selection
routine. The current setting will flash.
2-2
Use and buttons to
choose Parity (EVEN / ODD / NONE)
On Completion of the entry procedure, press to confirm the setting and press
to return to the main set up menu.
Stop bits
1
From the Set-up menu, use and
buttons to select the Stop Bit
option.
17
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
2-1
Press to enter the selection
routine. The current setting will flash.
2-2
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.
Note: Default is 1, and only when the parity is NONE that the stop bit can be changed to 2.
CLR
The meter provides a function to reset the maximum demand value of current and power.
1
From the Set-up menu, use and
buttons to select the reset option.
2
Press to enter the selection
routine. The MD will flash.
Press to confirm the setting and press to return to the main set up menu.
18
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
Specifications
Measured Parameters
The unit can monitor and display the following parameters of a single phase two wire(1p2w), three
phase three wire(3p3w) or four phase four wire(3p4w) supply.
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
Power factor and Frequency and Max. Demand
Frequency in Hz
Instantaneous power:
Power 0 to 99999 W
Reactive Power 0 to 99999 VAr
Volt-amps 0 to 99999 VA
Maximum demanded power since last Demand reset Power factor
Maximum neutral demand current, since the last Demand reset (for 3p4w supply only)
Energy Measurements
●Imported active energy 0 to 999999.99 kWh
●Exported active energy 0 to 999999.99 kWh
●Imported reactive energy 0 to 999999.99 kVArh
●Exported reactive energy 0 to 999999.99 kVArh
●Total active energy 0 to 999999.99 kWh
●Total reactive energy 0 to 999999.99 kVArh
Measured Inputs
Voltage inputs through 4-way fixed connector with 25mm² stranded wire capacity. single phase
two wire(1p2w), three phase three wire(3p3w) or four phase four wire(3p4w) unbalanced. Line
frequency measured from L1 voltage or L3 voltage.
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
19
B+G e-tech GmbH Fr.-Mehring St. 36 DE 01979 Lauchhammer
Fax: 0049 3574 4675519 Web: www.eastron-germany.de
●Active energy (Wh) Class 1 IEC 62053-21
●Reactive energy (VARh) ±1% of range maximum
●Total harmonic distortion 1% up to 31st harmonic
●Temperature co-efficient Voltage and current = 0.013%/°C typical
Active energy = 0·018%/°C, typical
●Response time to step input 1s, typical, to >99% of final reading, at 50 Hz.
Interfaces for External Monitoring
Three interfaces are provided:
●an RS485 communication channel that can be programmed for Modbus RTU protocol
●an Pulse output(Pulse 1) indicating real-time measured energy.(configurable)
●an Pulse output(Pulse 2) 400imp/kWh
The Modbus configuration (Baud rate etc.) and the pulse output assignments (kW/kVArh,
import/export etc.) are configured through the Set-up screens.
Pulse Output
The unit 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:
dFt = 2.5 Wh/VArh
0.01 = 10 Wh/VArh
0.1 = 100 Wh/VArh
1 = 1 kWh/kVArh
10 = 10 kWh/kVArh
100 = 100 kWh/kVArh
Pulse width: 200/100/60ms
Pulse output 2 is non-configurable. It is fixed up with active kWh. The constant is 400imp/kWh.
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, 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.
Reference Conditions of Influence Quantities
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)
●Magnetic field of external origin Terrestrial flux

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