F&F LE-03MQ User manual

LE-03MB - User manual
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CONTENTS
1. PURPOSE................................................................................................................................................5
2. UNIT CHARACTERISTICS .........................................................................................................................5
2.1. Measured value...................................................................................................................................................... 5
2.2. M-Bus protocole and communication port............................................................................................................. 5
2.3. Pulse output........................................................................................................................................................... 5
3. START-UP SCREENS................................................................................................................................5
4. OPERATOR PANEL..................................................................................................................................6
4.1. Voltage and current, harmonic............................................................................................................................... 7
4.2. Frequency, power factor and demand.................................................................................................................... 7
4.3. Power..................................................................................................................................................................... 8
4.4. Energy measurements............................................................................................................................................ 9
5. SETUP ..................................................................................................................................................10
5.1.Setup entry methods..............................................................................................................................................10
5.1.1. Navigation................................................................................................................................................................ 10
5.1.2. Number entry procedure......................................................................................................................................... 10
5.2. Setup parameters..................................................................................................................................................11
5.2.1. Entry into configuration menu ................................................................................................................................ 11
5.2.2. M-Bus communication ............................................................................................................................................11
5.2.2.1. (Slave ID) Address ............................................................................................................................................ 11
5.2.2.2. Baud rate ......................................................................................................................................................... 13
5.2.2.3. Parity................................................................................................................................................................ 13
5.2.2.4. Stop bits ........................................................................................................................................................... 14
5.2.3. Pulse output ............................................................................................................................................................ 15
5.2.3.1. Energy setup .................................................................................................................................................... 15
5.2.3.2. Pulse rate ......................................................................................................................................................... 15
5.2.3.3. Pulse duration.................................................................................................................................................. 16
5.2.4. DIT - Demand Integration Time ............................................................................................................................... 16
5.2.5. Backlit setup ............................................................................................................................................................17
5.2.6. Measuring system ...................................................................................................................................................18
5.2.7. CLR........................................................................................................................................................................... 19
5.2.8. Change password..................................................................................................................................................... 19
6. TECHNICAL SPECIFICATION..................................................................................................................20
6.1. Measured parameters ...........................................................................................................................................20
6.1.1. Voltages and currents.............................................................................................................................................. 20
6.1.2. Power factor, frequency and maximum demand....................................................................................................21
6.1.3. Energy measurements............................................................................................................................................. 21

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6.2. Terminal................................................................................................................................................................21
6.3. Accuracy................................................................................................................................................................21
6.4. Power supply and power meter ............................................................................................................................22
6.5. Measurement inputs.............................................................................................................................................22
6.6. Pulse outputs ........................................................................................................................................................22
6.7. M-Bus output........................................................................................................................................................22
6.8. Reference conditions of influence quantities ........................................................................................................22
6.9. Environment .........................................................................................................................................................23
6.10. Structure .............................................................................................................................................................23
6.11. Compliance and sealing.......................................................................................................................................23
7. DIMENSIONS ........................................................................................................................................24
8. WIRING DIAGRAM................................................................................................................................24
9. M-BUS PROTOCOLE..............................................................................................................................25
9.1. Initialization Slave.................................................................................................................................................25
9.1.1. How to initialize a meter which you don’t know the address..................................................................................26
9.1.2. Remove the secondary address matching symbol of all the meters on Bus ...........................................................26
9.1.3. How to initialize all meters on the bus line by using FF as broadcast address ........................................................26
9.1.4. How to initialize a Slave with specific address.........................................................................................................26
9.2. How to set baud rate.............................................................................................................................................26
9.2.1. Point to point baud-rate setting command format (Control frame) .......................................................................26
9.2.2. How to use broadcast command to set baud rate...................................................................................................27
9.3. How to set primary address ..................................................................................................................................27
9.3.1. How to set the address of a Slave to 01...................................................................................................................27
9.3.2. How to use broadcast command to set primary address to 01...............................................................................27
9.3.3. How to change address from 01 to 02.....................................................................................................................28
9.3.4. How to set primary address to 01 by using secondary address...............................................................................28
9.4. Set the complete identification of the Slave..........................................................................................................28
9.5. How to read out of energy information.................................................................................................................29
9.5.1. Use primary address 01 to read energy information...............................................................................................29
9.5.2. How to read out a meter’s energy information by using broadcast address 254 (FE) ............................................29
9.5.3. How to read out the meter’s energy information by using secondary addres ........................................................29
9.6. Read out of instantaneous electrical information .................................................................................................32
9.6.1. How to read instantaneous electrical information by using primary address.........................................................32
9.6.2. How to use secondary address to read out the instantaneous electrical information............................................32
9.7. How to read password ..........................................................................................................................................37
9.7.1. Change to a new password ......................................................................................................................................37

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9.8. How to reset all resettable energy data.................................................................................................................37
9.9. Set demand interval, slide time, display time, LED time ........................................................................................37
9.10. Read demand interval,slide time, display time, LED time ....................................................................................38
9.11. Read the measurement mode .............................................................................................................................39
9.12. Set up the measurement mode ...........................................................................................................................39
9.13. Read the output mode of pulse 1 ........................................................................................................................39
9.14. Set up the output mode of pulse 1 ......................................................................................................................40
9.15. Read the constant of pulse 1 ...............................................................................................................................40
9.16. Set up the constant of pulse 1 .............................................................................................................................40
10. MANUFACTURER'S WARRANTY..........................................................................................................41

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1. Purpose
LE-03MB is a static (electronic), calibrated electricity meter of single-phase and three-phase alternating
current in direct system. It is used for reading and recording of imported electricity and parameters of
the power supply with the ability of remote reading through a wired M-Bus network. Configuration of
the meter is done through the configuration menu accessible from the front panel and through the
communication port according to the software features of the M-Bus.
2. Unit characteristics
2.1. Measured value
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.
2.2. M-Bus protocole and communication port
Meter has a port with support for M-Bus protocol.
The M-Bus communication port allows you to combine the counters in the remote reading network.
2.3. Pulse output
The meter has two pulse outputs for mapping the counting of active and reactive energy.
Output 1 - terminals 9/10 - programmable, can be set to work for active or reactive energy and
parameters: impulsing and pulse length.
Output 2 - terminals 11/12 - for active energy, impulsing is 3200 pulse / kWh.
3. Start-up screens
The first screen lights up all display
segments and can be used as a display
check.

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Information about software version.
The interface performs a self-test and
indicates the result if the test passes.
4. Operator panel
Buttons features:
Select 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.

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4.1. Voltage and current, harmonic
Each successive pressing of the buton select a new range:
Phase to neutral voltages (3p4w)
Current on each phase
Phase to neutral voltage THD% (3p4w)
Current THD% for each phase
4.2. Frequency, power factor and demand
Each successive pressing of the button selects a new range:
Frequency and power factor (total)

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Power factor of each phase
Maximum power demand
Maximum current demand
4.3. Power
Each successive pressing of the button select a new range:
Instantaneous active power in kW
Instantaneous reactive power in kVAr
Instantaneous Volt-amps in KVA

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Total: kW, kvar, kVA
4.4. Energy measurements
Each successive pressing of the buton select a new range:
Imported active energy in kWh
Exported active energy in kWh
Imported reactive energy in kVArh
Exported reactive energy in kVArh
Total active energy in kWh

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Total reactive energy in kVArh
The total value of the given energy is presented in two rows.
The top row presents the higher values, the bottom row presents the lower values + fractional value.
For example:
Indications: 0027 - top row; 845.3 - bottom row presents the value of 27845.3 kWh.
5. Setup
5.1.Setup 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. After confirming the settings the
meter confirms the adoption of a new parameter by displaying for a moment the word "good".
5.1.1. Navigation
1. Transition to the next position configuration menu.
2. Press to confirm your selection.
3. Edition of value (change of position numer by +/-1)
4. Having selected an option from the current layer, press to confirm your selection. The SET
indicator will appear.
5. Back to the higher menu level. The SET indicator will disappear and you will be able to use the
buttons, again to select further options.
6. Exit the configuration menu to the measurements screen.
5.1.2. Number entry procedure
When setting up the unit, some screens require the entering of a nuber. 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 the last digit has been set.
3. After setting the last digit, press , to exit the numer setting routine. The SET indicator will be
removed.

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5.2. Setup parameters
5.2.1. Entry into configuration menu
To enter setup mode, pressing the button for 2 seconds, until the password screen appears.
Setting up is password-protected so you must
enter the correct password (default "1000")
before processing.
Press the button for 2 seconds.
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.
5.2.2. M-Bus communication
Setting the communication port parameters.
5.2.2.1. (Slave ID) Address
(Range 1 to 250)
From the set up menu, use
and , buttons to select the address
ID.
Press , button to enter the selection
routine. The current setting will be flashing.

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Use and to change digits and
to change position, to choose Modbus
address (001 to 250).
Press button, to confirm the selection.
Press , button to return the main set up menu.
Extended address (Range 0 to 99999999).
ATTENTION!
This setting is located in the menu before the CLR feature setting.
From the setup menu, use and
buttons to select extended address option.
Press buton to enter the selection
routine. The current setting will be flashing.
Use and buttons to change digits
and to change position, to choose
Modbus address (00000000 to 99999999).
Press button to confirm the selection.
Press , button to return the main set up menu.

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5.2.2.2. Baud rate
From the set up menu, use and
buttons to select the Baud rate option.
Press button to enter the selection
routine. The current setting will flash.
Use and buttons to choose Baud
rate: 0.3 / 0.6 / 1.2 / 2.4 / 4.8 / 9.6 [kbps].
Press button, to confirm the selection.
Press button, to return the main set up menu.
5.2.2.3. 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.

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Use and buttons to choose
parity: EVEN / ODD / NONE (default).
Press buton to confirm selection.
Press buton to return to the main set up menu.
5.2.2.4. 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
bits: 2 or 1.
NOTE: Default value is 1. Only in case parity
set up NONE, to change stop bits to 2.
Press to confirm the selection.
Press to return to the main set up menu.

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5.2.3. Pulse output
Pulse output configuration no. 1.
5.2.3.1. Energy setup
The output can be set to provide a pulse for a definied amount of Energy active (kWh) or reactive
(kvarh).
From the setup menu, use and
buttons to select the pulse output option.
Press to enter the selection routine.
The unit symbol will be flash.
Use and buttons to choose kWh or
kvarh.
Press to confirm selection.
Press to return to the main set up menu.
5.2.3.2. Pulse rate
Setup value option kWh/kvarh per 1 pulse. Values: 0.01 / 0.1 / 110 / 100.
From the setup menu, use and
buttons to select the pulse rate option.

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Press to enter the selection routine.
The current setting will flash.
Use and buttons to select value:
0.01 /0.1 /1 /10 /100 per 1 pulse.
Press to confirm selection.
Press to return to the main set up menu.
5.2.3.3. Pulse duration
Option of setting pulse length for output. Values: 200, 100 lub 60 ms.
From the setup 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 value:
200, 100 or 60 ms.
Press to confirm the selection.
Press to return to the main setup menu.
5.2.4. DIT - Demand Integration Time
The options are: 5, 10, 15, 30, 60 minutes.
From the setup menu, use and
buttons, to select the DIT option.
The screen will show the currently
selected integration time.

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Press to enter the selection routine.
The current time interval will flash.
Use and buttons to select the
time required.
Press to confirm selection.
SET indicator will appear.
Press to exit the DIT selection routine and return to the menu.
5.2.5. Backlit setup
The meter allows you to set the time of the backlight.
Time: 0 / 5 / 10 / 30 / 60 / 120 minutes.
Value 0 means that the backlight is always on.
Default lasting time is 60 minutes.
if it's setted as 5, the backlit will be
off in 5 minutes from the last time
operation on the meter.
Use and buttons to select
the time.
Press to confirm the selection.

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5.2.6. Measuring system
Setting options for measuring system:
1P2W –1-phase 2-wire system;
3P3W –3-phase 3-wire system (without neutral wire);
3P4W –3-phase 4-wire 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 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.

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5.2.7. CLR
The meter provides a function to reset the maximum demand value of current and power.
From the setup menu, use and
buttons to select the reset option.
Press to enter the selection routine.
The MD will flash.
Press to confirm selection.
Press to return to the main set up menu.
5.2.8. Change password
Press and buttons to choose
the change password option.
Press and hold to enter the change
password routine. The new password screen
will appear with the first digit flashing.
Use and buttons to set the first
digit and press to confirm your
selection. The next digit will flash.

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Repeat the procedure for the remaining
three digits.
After setting the last digit, press and hold
to confirm selection.
Press to exit the numer setting routine and return to the setup menu. SET will be removed.
6. Technical specification
6.1. Measured parameters
The unit can monitor and display the following parameters of:
1P2W –1-phase 2-wire system (230V+N)
3P3W –3-phase 3-wire system (3×400V; without neutral wire)
3P4W –3-phase 4-wire system (3×230V+N)
6.1.1. Voltages and currents
Reference voltage: 3×230/400V
Base current: 0.25÷10A
Maximum current: 100A
Minimum current measured: 0.02A
Overload: 30×Imax/10ms
Measuring range phase voltages: 100÷289 VAC (for 1P2W and 3P4W system)
Range of interphase voltages: 173÷500 VAC (for 3P3W system)
Percentage overall factor of total harmonic distortion (THD%) for the phase voltages
(for systems 1P2W and 3P4W).
Percentage overall factor of total harmonic distortion (THD%) for interphase voltages (for 3P3W
system).
Percentage overall factor of total harmonic distortion (THD%) for the phase currents.
Insulation: 4kV/1min; 6kV/1,2µs
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