SEP LEM012SJ User manual

1 SEP LEM012SJ 2015 V01
LEM012SJ DIGITAL DISPLAY KWH METER.
230V | 5(80)A | 50Hz | class 1
DIN rail single phase two wire energy meter
1.1 Safety instruction
1.2 Foreword
1.3 Performance criteria
1.4 Specifications
1.5 Intrinsic errors
1.6 Description
1.7 Dimensions
1.8 Installation
1.9 Operating
1.10 Troubleshooting
1.11 Technical support
User manual

2 SEP LEM012SJ 2015 V01
1.1 Safety instructions
Information for Your Own Safety
This manual does not contain all of the safety measures for operation of the
LEM012SJ, because special operating conditions, local code requirements or local,
national or international regulations may necessary to take further measures. It does
contain information which must be adhered to in the interests of your own personal
safety and to avoid material damages.
Warning
Means that failure to observe the instruction can result in death, serious injury or
considerable material damage.
Caution
Means hazard of electric shock and failure to take the necessary safety precautions
will result in death, serious injury or considerable material damage.
Qualified personnel
Commissioning and operation of SEP LEM012SJ described in this manual may only
be performed by qualified personnel. Qualified personnel in the sense of the safety
information contained in this manual are persons who are authorized to commission,
start up, ground and label devices, systems and circuits according to safety and
regulatory standards.
Use for the intended purpose
The SEP LEM012SJ may only be used for the application cases specified in the
catalog and the user manual and only in connection with devices and components
recommended and approved by SEP Europe.
Proper handling
The prerequisites for reliable operation of the product are proper transport, proper
storage, installation and assembly, as well as proper operation and maintenance.
When operating electrical equipment, certain parts of this equipment automatically
carry dangerous voltages. Improper handling can therefore result in serious injury or
material damage.
Use only isolated tools.
Do not connect while circuit is live (hot).
Do not connect the meter to a 3 phase - 400VAC –network.
Place the meter only in dry surroundings.
Do not mount the meter in an explosive area or exposed to dust, mildew and
insects.
Make sure the used wires are suitable for the maximum current of this meter.
Make sure the AC wires are connected correctly before activating the
current/voltage to the meter.
Do not touch the meter connecting clamps directly with your bare hands, with
metal, blank wire or other material as you will have the chance of an electric
shock and a possible chance for health damage.
Make sure the protection cover is placed after installation.
Installation, maintenance and repair should only be done by a qualified
personnel.

3 SEP LEM012SJ 2015 V01
Never break the seals and open the front cover. This might influence the
functionality of the meter, and will be avoid any warranty.
Do not drop, or allow physical impact to the meter as there are high precision
components inside that may break or render the meter measure accurately.
Exclusion of liability
We have checked the contents of this publication and every effort has been made
to ensure that the descriptions are as accurate as possible.
However, deviations from the description cannot be completely ruled out, so that
no liability can be accepted for any errors or omissions contained in the
information given. The data in this manual are checked regularly and the
necessary corrections are included in subsequent editions. We are grateful for
any improvements that you care to suggest.
Copyright
Copyright (c) 2015 SEP EUROPE All rights Reserved.
It is prohibited to pass on or copy this document or to use or disclose its contents
without our express permission. Any duplication is a violation of the law and
subject to criminal and civil penalties. All rights reserved, particularly in the event
of a patent award or utility model registration.
Registered trademarks
SEP EUROPE is registered trademark of Schotman Elektro BV.
1.2 Foreword
Thank you for purchasing the SEP LEM012SJ DIN rail single phase two wire
energy meter. The LEM012SJ energy meter is an advanced type electronic (kWh)
energy meter. With the SEP product range we have introduced a large scale of
energy meters on the market suitable for 110VAC to 400VAC (50 or 60Hz).
Although we produce the SEP meter according to EN 50470-3 and our accurate
quality inspection, there might be a possibility that your product shows a fault or
failure for which we do apologize. Under normal conditions your product should
give you years of benefit and pleasure. In case there is a problem with the
energy meter you should contact your dealer immediately. All energy meters are
sealed with a special seal. Once this seal is broken there is no possibility to claim
(for) warranty. Therefore NEVER break the seal of the energy meter. The
warranty time is 12 months, after purchase, and only valid for construction
faults.

4 SEP LEM012SJ 2015 V01
1.3 Performance criteria:
Operating humidity ≤ 75%
Storage humidity ≤ 95%
Specified operating temperature -10°C - +40°C (3K5)
Limit operating temperature -25°C - +55°C (3K6)
Storage temperature -40°C - +70°C (1K5)
International standard EN 50470-3
Accuracy class Class 1
Protection against penetration
of dust and water IP51
Insulating encased meter of
protective class Ⅱ
1.4 Specifications:
Reference voltage (Un) 230V AC
Operational voltage 161 - 300V AC
Insulation capabilities:
- AC voltage withstand 2KV for 1 minute
- Impulse voltage withstand 6KV –1.2µS waveform
Minimum current (Imin) 1.0 A
Transitional current (Itr) 2.0 A
Reference current (Iref) 20 A
Maximum current (Imax) 100 A
Operational current range 1.0A - 100A
Over current withstand 3000A for 0.01s
Operational frequency range 50Hz ±10%
Internal power consumption ≤2W / 10VA
Test output flash rate (PULSE LED) 500 pulses per kWh (2.0Wh/imp)
Pulse output rate (pins 20 & 21) 500 pulses per kWh (2.0Wh/imp)
Pulse supply current Ui max=27V / Ii max 27mA
Power supply indicator (POWER LED) Meter is connected and working OK
Consumption indicator (PULSE LED) Flashing at load running
Data display mode 7+1 digits for LCD display
Data save The data can be stored more than 20 years
when power cut.
1.5 Intrinsic errors:
Imin ≤I < Itr Cosφ = 1 ±1.5%
Itr ≤I ≤Imax Cosφ = 1 ±1.0%
Cosφ = 0.5L ±1.0%
Cosφ = 0.8C ±1.0%
1.6Description
A Front plate with LCD
B Meter cover
CProtection cover
DSecurity hasp
E Indicator lights power and pulse.

5 SEP LEM012SJ 2015 V01
Material
Front plate Transparent inflaming retarding polycarbonate
Meter cover Fiber-glass reinforced inflaming retarding polycarbonate
Meter base Fiber-glass reinforced inflaming retarding polycarbonate
Protection cover Fiber-glass reinforced inflaming retarding polycarbonate
E
D
D
E
2 0
S O
+ -
6 31
4N
L
2 1
U i m a x = 2 7 V / li m a x = 2 7m A
Single phase 100A kWh meter
R
L
= 2 . 0 W h / im p
R
A
= 2 . 0 W h / im p ( t i = 8 0 m s ) S O
R
DMMetering
A D M 2 D V 1 .0 EN 50470-3
POW E R PU L SE
R
D M M e t er i ng
kW h
R A = 2 . 0 W h / i m pR L = 2 . 0 W h / i m p
E N 5 0 4 7 0 -3
B
230V, 1-20(100)A, 50Hz
A
BB
C
B
A
C
D
B
E
D

6 SEP LEM012SJ 2015 V01
1.7Dimensions
Height 140.mm
Width 35.mm
Depth 58.5 mm
Weight 0.20 Kg (net)
20
S O
+ -
6 31
4N
L
2 1
Ui max = 27V/ l i max = 27mA
Si ng le phas e 100A kWh meter
RL= 2. 0 Wh/imp RA= 2.0 Wh/imp (t i=80ms) SO
R
DMMetering
ADM2D V1.0 E N 5 0 47 0 -3
P O W ER P U L SE
R
DMMetering
k W h
RA= 2.0Wh/impRL=2.0Wh/im p
EN 5 047 0-3
B
230V,1-20(100)A, 50Hz
1.8
Installation
CAUTION
Turn off and lock out all power supplying the energy meter and the
equipment to which it is installed before working on it.
Always use a properly rated voltage sensing device to confirm that power
is off.
WARNING
Installation should be performed by qualified personnel familiar with
applicable codes and regulations.
Use isolated tools to install the meter.
Fuse or thermal cut-off or single-pole circuit breaker can’t be fitted on
the supply line and not the neutral line.
Case is sealed, failure to observe this instruction can result in damage for
meter.
No warranty if case is opened or removed seal or damage.
35
58.5

7 SEP LEM012SJ 2015 V01
- We recommend that the connecting wire which is used to connect the meter
to outside the circuit should be sized according to local codes and regulations
for the ampacity of the circuit breaker or over current device used in the
circuit.
- A external switch or a circuit-breaker should be installed on the inlet wire,
which will be used as a disconnection device for the meter. And it is
recommended that the switch or circuit-breaker is near the meter. The switch
or circuit-breaker should comply with the specifications of the building
electrical design and all local regulations.
- An external fuse or thermal cut-off which is used as a overcurrent protection
device for the meter must be installed on the supply side wire, and it is
recommended that the overcurrent protection device be near the meter. The
overcurrent protection device should comply with the specifications of the
building electrical design and all local regulations.
- This meter can be installed indoor directly, or in a meter box which is
waterproof outdoor, in compliance with the local codes and regulations.
- The meter has to be installed in a good ventilated and dry place.
- The meter has to be installed in a protection box in dangerous or dusty
environment.
- The meter can be installed and used after being tested in accordance with the
specifications of the building.
- The meter can be installed on a 35mm DIN rail.
- The best way to install the meter in an available height so that it is easy to
read.
- When the meter is installed in an area with frequent surges due to e.q.
thunderstorms, welding machines, inverters etc, protect the meter with
applicable Surge Protection Devices.
- After finishing installation, the meter must be sealed to prevent tampering.
- Connection of the wires should be done in accordance with the underneath
connection diagram.
1
4
L
N
3
6
20
SO
21
+
-
1 Inlet phase line
4 Inlet neutral line
3 Outgoing phase line
6 Outgoing neutral line
20 and 21 Pulse output contact

8 SEP LEM012SJ 2015 V01
1.9 Operating
Working indication
There is a POWER LED which is used as indicating power in the front panel of SEP
LEM012SJ When the meter works normally, this LED will light-on. When the meter is
going wrong or no power supply, the LED will turn off.
Consumption indication
There is a PULSE LED which is used as indicating power consumption in the front panel
of LEM012SJ. When consumption happens, the LED will flash. The more quickly LED
flash, the more consumption there is. For this LED, the flash rate is 500 impulses per
kWh (2.0Wh/imp).
Reading the meter
LEM012SJ is equipped with a white backlight LCD display. During the normal working
hours, the backlight will be on all the time. LCD display will show the following energy
data and indication message.
a) Current total energy
When the meter is in normal working, it will display only 7 +1 energy data with.
The unit is kWh. These data cannot be reset to zero by the user. Example: Total
energy is 4574899.1 kWh.
b) Indication for reverse use
When the meter is wrong connected with the incoming line and the outgoing line,
reversed. Every 3 seconds the LCD display will show HELP 1 to indicate the wrong
connection.

9 SEP LEM012SJ 2015 V01
c) Meter version
When the meter is switched on the power, it will display the meter version for 3
seconds.
Pulse output
The pulse led on the front of the meter is pulsing when the meter is in use, 500 pulse
per kWh (2Wh/inp.). The SEP LEM012SJ rail energy meter is equipped with an pulse
output which is fully separated from the inside circuit. The generated pulses are in
proportion to the measured energy for remote reading purposes and accuracy testing.
The pulse output is a polarity dependant, passive transistor output requiring an
external voltage source for correct operation. For this external voltage source, the
voltage (Ui) should is 5-27V DC, and the maximum input current (Iimax) is 27mA DC.
To connect the impulse output, connect 5-27V DC to connector 20 (anode), and the

10 SEP LEM012SJ 2015 V01
signal wire (S) to connector 21 (cathode). The meter pulses 500 per kWh (2.0Wh/imp).
1.10 Troubleshooting
CAUTION
During repair and maintenance, do not touch the meter connecting
clamps directly with your bare hands, with metal, blank wire or other
material as you will have the chance of an electric shock and a possible
chance for health damage.
Turn off and lock out all power supplying the energy meter and the
equipment to which it is installed before opening the protection cover to
prevent the hazard of electric shock.
WARNING
Maintenance or repair should be performed by qualified personnel
familiar with applicable codes and regulations.
Use insulated tools to maintain or repair the meter.
Make sure the protection cover is in place after maintenance or repair.
Case is sealed, failure to observe this instruction can result in damage for
meter.
Problem
Check
Solution
No light for the
Power supply
indicator.
Is AC power supply
connected to the
meter?
Is the 1 and 4
connecting correct?
Maybe there is a
fault in the inside
circuit.
Check switch or circuit-breaker
and fuse or thermal cut-off.
Reinstall terminal screws on the
1 and 4. Make sure all screws
are fixed. Than there should be a
230V 50Hz AC voltage between
the terminal screws on the 1 and
4 when power supply is input.
Contact a qualified technician.
When necessary replace the
meter

11 SEP LEM012SJ 2015 V01
Problem
Check
Solution
No light for the
consumption
indicator. (pulse
red)
Is the load
running?
Is the operating
power too low?
Maybe there is a
fault in the inside
circuit.
Only when load is running, this
LED will flash.
If the operating power is too low,
the spacing interval of flashing
will be prolonged so that people
is under the delusion that LED
isn’t burning.
Contact a qualified technician.
When necessary replace the
meter.
The register can’t
run.
Is there power
supplied to the
meter?
Is the operating
power too low?
Maybe there is a
fault in the inside
circuit.
Check that the power supply
indicator is burning.
If the operating power is too low,
the spacing interval of running
will be prolonged so that people
is under the delusion that
register can’t run.
Contact a qualified technician.
When necessary replace the
meter.
LCD backlight can’t
lit.
Is there a power
supply inside the
meter?
Maybe there is a
fault in the inside
circuit.
Check that the power supply
indicator is burning.
Contact a qualified technician.
When necessary replace the
meter.
No pulse output.
Is DC power supply
connected to the
meter ?
Is the connecting
correct ?
Check the external voltage
source (Ui) is 5-27V DC.
Check correct connecting:
connect 5-27V DC to connector
20 (anode), and the signal wire
(S) to connector 21 (cathode).

12 SEP LEM012SJ 2015 V01
1.11 Technical
support
For questions about our products please contact:
-SEP Europe dealer in your in your region
-Your local SEP Europe distributor
-Email: [e-mail]
www.sep-europe.nl
Maybe there is a
fault in the inside
circuit.
Contact a qualified technician.
When necessary replace the
meter
Pulse output rate
wrong.
Maybe there is a
fault in the inside
circuit.
Contact a qualified technician.
When necessary replace the
meter.
S.E.P. Europe
Weverstraat 4
9403 VJ Assen
Netherlands
Tel: [phone]