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ALE2902M
SUPPLY
INSTRUCTIONS
1. PRELIMINARY INFORMATIONS
: elc 59, avenue des Romains 74000 ANNECY - FRANCE
Manufacturer
Phone : +33 (0)4 50 57 30 46 Fax : +33 (0)4 50 57 45 19
Web Site : www.elc.fr
Email : commercial@elc.fr
: OEM POWER SUPPLY ; Brand : elc ; Type : ALE2902M
Instrument
2. DESCRIPTION
2-1 Overview
You have just purchased the ALE2902M elc power supply. We thank you and congratulate you for
your choice.
This device was manufactured in accordance with European standard EN 61010-1, EN IEC 61010-
2-201 and EN IEC 62368-1. It is intended for professional and industrial use for peripherals associated
with control equipment in fixed and stationary installations. This instructions manual contains informations
and warnings the buyer must comply with in order to ensure safe and sustained operation.
2-2 Overall view
Main input connector block
ON Indicator :
voltage presence
STATUS indicator :
Output fuse out of order
Output voltage selector
Output connector block
Output fuse
2-3 Technical features at 23°C at the terminals of the power supply
Output voltage :
SELV adjustable from 5 V to 29 V by 12 positions switch, and fine adjustment.
Switch positions : 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28.
Fine adjustement range : ±1 V
Total ripple
: < 3 mV rms
Low freq. ripple
: < 4 mV peak to peak
Switch. freq. ripple : < 3 mV peak to peak (with bandwidth 20MHz).
Switching peak
: < 10 mV peak to peak (with bandwidth 20MHz).
Charge regulation : < 30 mV at 5 V and < 10 mV at 29 V for a load change from 0 to 100%
Main regulation
: < 1 mV at 29 V / 2 A and < 4 mV at 5 V / 4 A for ±10% line change.
Dynamic regul.
: < 1% to 29V and < 5% to 5 V for a load change from 10 to 90%.
Hold-up time
: 25 ms for charge 50% and 12 ms for 100% mains at 190 V
Efficiency
: > 80% for maximum power (60 W on output).
Output current
: 4 A to 5 V, 3.5 A to 12 V, 2.5 A to 24 V, 2 A to 29 V and 4.2A in short circuit
Power (Fig. 1)
: linearly changes from 60 W to 20 W depending on the voltage (29 to 5 V)
Protections
: against short circuit by current limiting.
against overcurrent by internal fuse T3.15A.
against overload by varistor.
against battery reverse polarity by output fuse F1=F5A
against overheating by a thermal protection
Input voltage
: nominal : 220-240 V (Range 198-264 V), 50-60 Hz ; Input current : 0,6A rms max.
Insulation class
: II ; Overvoltage Cat : OVC II ; Pol. degree : 2 ; Electric strenght : 3000 V input/output.
Operating Temp
: -25 °C to +60 °C, without ice or condensation ;
derating : 1 W/°C over 40 °C.
Cond. storage
: -25 °C to +85 °C, without ice or condensation,
humidity : 50 to 85% (Fig. 2).
Safety
: EN 61010-1 ; EN IEC 61010-2-201 ;
EN IEC 62368-1.
EMC
: EN 61000-6-2, EN 61000-6-4 standards.
Presentation
: Modular polycarbonate with silkscreen case
6 units of 17,5 mm (according DIN standard
43880) clipsable on profiled of 35 mm
(DIN rail EN 50022) or wall mounting
(fixings included).
Dimensions
: L = 58 mm H = 106 mm D = 95 mm ;
(wall mount spacing : 108 mm)
Weight
: 285 g ; Protection level : IP 30
Mains input
: 2 pin spring terminal blocks for 2,5 mm² wires (AWG12).
DC output
: 4 pin spring terminal block for 2.5 mm² wires (AWG12).
2.4 Accessories of the instrument
The ALE2902M is delivered with terminal block covers and its instructions manual.
3.INSTRUCTIONS FOR USE
3.1 Safety instructions
DANGER: HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH
Only qualified persons should ensure the installation, use, repair and maintenance of electrical
equipment.
!
Before installation or maintenance work requiring the opening of access doors, disconnect all
power supplies to the equipment and connected equipment. The main circuit breaker must be
MANUAL
opened and locked to prevent it from closing unintentionally.
Check that the power supply is not present according to the indications with a correctly set
!
voltage measuring device.
This equipment and associated products must only be connected to the power supply within
the specified voltage range.
Before switching the power back on, check that all protections, wires, cables or other are
correctly fixed.
Install and use this product only in non-hazardous areas.
Failure to follow these instructions may result in death or serious injury.
!
WARNING
This equipment must not be accessible during normal operation and must be used in a safe
place, in accordance with the temperature and humidity specifications in the product instruc-
tions.
Install and use in a restricted access location with key or tool locks. (electrical equipment box
or in closed box, ...) with a background in non-combustible material.
The common mode voltage between the earth and the outputs must not exceed 50Vac.
A line circuit breaker according to EN 60947-2 must be included in the power supply circuit in
Voltage fine
the immediate vicinity of the device and must be easily accessible by the operator.
adjustment
Single-phase : Single-pole + Neutral 1A, curve C ; two-phase : two-pole 1A, curve C.
12V Indicator :
Follow the installation and wiring instructions in this document; failure to do so may result in
12 V Battery charger
death, serious injury or property damage.
!
position
If the equipment is used in an unspecified or unauthorized manner, the protection provided by
the equipment may be compromised.
24V Indicator :
Do not exceed the maximum output power or current listed in the product's instruction manual.
24V battery charger
For good convection, this appliance must be installed vertically. It is necessary to maintain a
position
50 mm clearance on top and bottom sides and not to obstruct the openings.
DIN rail clips
3-2 Mounting
The connection of supply lines and output should be possible after fixation.
Before any connections, check that any hazardous voltage is not in your wires. The non-observance
of the safety instructions can have as a consequence a contact with dangerous parts under voltage
and can lead to death or serious wounds.
Respect the connections on the main and on the output indicated on screenprint.
The input/output terminals are spring system. Switch levers backward to open the cages, engage the
wires and bring back levers forward to lock. After connecting all the wires, it is imperative that the
terminal block covers be inserted into the slots in the housing for safety.
Mounting by CLIP on the profiled 35x15mm or 35x7,5mm (DIN rail EN 50022) :
- Engage the hooks on the top of the rail and push the power supply against the rail in order to lock
the hook (push it back if necessary).
To take it off, introduce a screwdriver into the part of the hook located under the power supply and
push it toward the bottom and take it off, rocking it toward the top.
Wall mounting :
- Change the clip position DIN rail by pushing down, for this, lift the two pins with a
to change the housing.(fig 3)
- Push strongly the mounting clip to lock it in a high position (fig 4)
- Fix the power supply with two screws of Ø4mm in the clip holes. (fig 5)
Fig. 3
8
3 0
2 9
2 8
2 6
Fig. 1
2 4
2 2
2 0
1 8
1 6
3-3-1 Standard operation
1 4
1 2
The ALE2902M is delivered adjusted at 6 V ±5%.
1 0
Choose the output voltage thanks to the selector and the fine voltage adjustment.
8
After having plugged the wires of the load in the outputs "+" and "-", thus the main in the
6
5
inputs "N" and "L", close the circuit breaker, the power supply starts immediately. the
4
green LED lights up, the voltage is on the output.
2
Before start, if you have to adjust excatly voltage, connect a voltmeter on the outputs
0
1
2
3
4
4 . 5
)
instead of the load then adjust wanted voltage with the adjustment and open the circuit
%
breaker in order to disconnect the voltmeter and connect the load.
Fig. 2
3-3-2 Operation with teleregulation
8 0
The use of weak section or important length wire leads to a degradation of the
5 0
characteristics. Three meters of 1 mm² wire (the distance is 1.5 M between use and
m a x i m u m
r e l a t i v e
m o i s t u r e
power supply) with a 2 amps current make the voltage fall to approximately 100 mV.
To compensate for waste in wires and keep an excellent voltage regulation in load
° C
3 1
4 0
terminals, connect the two additional wires "+sense" and "-sense" respectively at the "+"
and "-" of the load. The two teleregulation wires will be of a 0.4mm² section at least and
must be very closed (wire of 2 leads or better twisted leads). Teleregulation accepts a
voltage fall until 1.5 Volts in the"-" wire, as well as the "+"wire (so be it a total of 3 volts).
The maximum current will follow the power curve, this one should not exceed 60W.
Wall mounting clip
Fig. 4
Fig. 5
DIN rail clip
3-5 Lead-acid battery charger 12V or 24V
Compared to the output current of the ALE2902M, for a time of charge of 14 hours, the nominal capacity
of the free electrolyte battery is of 35 Ah for 12 V and 20 Ah for 24 V.
For sealed lead-acid batteries, manufacturer recommend not to exceed a load current equal to one third
of the nominal current. This is why we recommend not to go under the following capacities : 10 Ah for a
12 V battery and 7 Ah for a 24 V battery.
In any cases, see the instructions manual of the battery's manufacturer.
Before connecting a battery, the power supply must be adjusted, proceeding like this :
Connect the power supply on main (230V) and close the circuit breaker. Green LED lights up.
- 12V Battery : Place the voltage selector on 14V.
Turn the adjustment in order to light up the yellow LED 12V (voltage range : 13,2 to 14,1V).
- 24V Battery : Place the voltage selector on 28V.
Turn the adjustment in order to light up the yellow LED 24V (voltage range : 26,4 to 28,2V).
Connect the battery respecting the polarity. If red LED lights up, the battery is connected upside down. In
this case, replace the fuse F1 (5x20 F5A) after openning the circuit breaker and disconnect the battery. After
replace, close the circuit breaker ( the green and yellow LEDS are lighted, the red LED is off), then plug the
battery respecting the polarity.
At the beginning of load, if the battery is completely discharged, the yellow LED switch off because the power
supply is put in current limitation. Progressively, the voltage is going to increase and the LED is going to
enlighten. The power supply works in voltage regulation.
3-6 Power supply uninterruptible switch mode with battery
Do the same as in 3-5.If desired voltage is precise, adjuste it with a voltmeter.
Connect the load on the unit power supply-battery.
In this configuration, the power is not totally available for the load because the current supplied by the
ALE2902M is shared between the battery and the load. When there is an interruption of the main, the battery
takes over. In this case, the green LED is switched off and the yellow LED (12 or 24V) is lighted up.
The intensity of the light of the yellow LED decreases as the battery discharges.
4. OPERATION
ALE2902M is a stabilized, protected and adjustable power supply from 5 to 29 V.
The green LED "ON" enlightened indicates a voltage output presence.
The red LED "STATUS" enlightened indicates one of two following faults :
- The output fuse F1 (5x20 F5A) is off, no output voltage.
- The internal temperature of the power supply is too large and temperature protection is activated, the
output voltage drops.
The power supply returned to normal operation when the internal temperature will be within the specified
range.
4-4 Summary of the LEDS operation
ON
STATU S
12V/24 V
O
Power supp ly o perating
O
Defe ct ive outpu t fuse o r d isjunction t emperature
screwdriver
O
O
Comp atible ou tput with ba ttery ch arg e 12 or 2 4V
O
Absence of mains, charge is sup plie d by th e batt ery
O
O
O
Power supp ly u nder voltage , cut fuse , batte ry in o utput
Power supp ly, o ut of vo lt age o r in sh ort circuit (I out = 4,2A)
Screw Ø4
5. MAINTENANCE
No particular maintenance is required for this instrument.
Avoid dust, moisture and shocks.
If the green indicator does not light up when switching on, check :
- The mains voltage
- The connection to mains.
- The output fuse «F1» 5x20 F5A if red LED is lighted up.
6. AFTER SALES SERVICE
Screw Ø4
During TWO YEARS, spare parts and workmanship are guaranteed.
This guarantee does not apply to instrument presenting defects or
failures caused by an improper use. Return expenses are borne by the
Power
client. Only devices returned with a dated purchasing invoice can be
Supply
recovered by the guarantee. Any intervention carried out by
unauthorized persons or organizations, shall void the guarantee.
7. EU DECLARATION OF CONFORMITY
Manufacturer : ELC, 59 avenue des Romains 74000 Annecy France
declares the product
: OEM stabilized power supply (DC power supply)
Name
: ALE2902M
Type
conformable to the requirements of the directives :
- Low voltage 2014/35/UE
- Electromagnetic Compatibility 2014/30/UE
- RoHs 2011/65/UE.
The following harmonized standards have been applied :
Safety
: EN 61010-1:2010 ; EN IEC 61010-2-201:2018
EN IEC 62368-1:2020
EMC
: EN 61000-6-2:2006, EN 61000-6-4:2007 + A1:2011
LOAD
Annecy, on November 04, 2020
H. CURRI Manager
OPER ATION
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