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ALE2902M
SUPPLY
INSTRUCTIONS
1. PRELIMINARY INFORMATIONS
Manufacturer
: elc 59, avenue des Romains 74000 ANNECY - FRANCE
Phone : +33 (0)4 50 57 30 46 Fax : +33 (0)4 50 57 45 19
Instrument
: OEM POWER SUPPLY
Brand
: elc
Type
: ALE2902M
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 60950 and was supplied
in good condition. It is intended for professional and industrial uses.
This instructions leaflet contains informations and warnings the buyer must comply with in order to
ensure safe and sustained operation.
Main input connector block
2-2 Overall view
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 :
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
Insulation class
: II
Electric strenght
: 3000 V between input and 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).
Protection level
: IP 30
Safety
: EN 60950-1 standard.
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
Mains input
: Dual spring terminal blocks for 2,5 mm² wires (AWG12).
DC output
: Quadruple spring terminal blocks for 2,5 mm² wires
(AWG12).
2.4 Accessories of the instrument
Your ALE2902M is delivered with its disconnect screw terminal block and its
instructions manual.
MANUAL
3.INSTRUCTIONS FOR USE
3.1 Safety instructions
Only qualified people should work on this device or in its neighbourhood.
In order to avoid electric shocks, This power should not be accessible during normal
operation. The product is designed to be installed in a location with restricted access
(electrical equipment box or in a closed box...) with a background in non-combustible
material.
Before installation or maintenance, the main circuit breaker should be open and condemned
to forbid its inopportune closing.
A line circuit breaker, curve C, 1 A, according to the EN60947, must be included in the
electrical disconnect device as in the immediate vicinity of the device and must be easily
accessible by the operator.
The common mode voltage between Earth and output terminals shall not exceed 50Vac.
Equipment connected to this unit must conform to their standard product.
For a natural and correct cooling, the instrument must be installed vertically and all
openings must be widely cleared.
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
Voltage fine
of the safety instructions can have as a consequence a contact with dangerous parts under voltage
adjustment
and can lead to death or serious wounds.
Respect the connections on the main and on the output indicated on screenprint.
12V Indicator :
The input/output terminals are spring system. Switch levers backward to open the cages, engage the
12 V Battery
charger position
wires and bring back levers forward to lock. After connecting all the wires, engage the terminals covers
into the slots of the case to protect it.
24V Indicator :
Mounting by CLIP on the profiled 35x15mm or 35x7,5mm (DIN rail EN 50022) :
24V battery
- Engage the hooks on the top of the rail and push the power supply against the rail in order to lock
charger position
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
DIN rail clips
push it toward the bottom and take it off, rocking it toward the top.
Wall mounting :
Fig. 3
- 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)
3-3-1 Standard operation
The ALE2902M is delivered adjusted at 6 V ±5%.
Choose the output voltage thanks to the selector and the fine voltage adjustment.
After having plugged the wires of the load in the outputs "+" and "-", thus the main in the inputs "N"
Volts
30
and "L", close the circuit breaker, the power supply starts immediately. the green LED lights up, the
29
28
voltage is on the output.
Fig. 1
26
Before start, if you have to adjust excatly voltage, connect a voltmeter on the outputs instead of the
24
load then adjust wanted voltage with the adjustment and open the circuit breaker in order to
22
disconnect the voltmeter and connect the load.
20
18
3-3-2 Operation with teleregulation
16
The use of weak section or important length wire leads to a degradation of the characteristics. Three
14
meters of 1 mm² wire (the distance is 1.5 M between use and power supply) with a 2 amps current
12
make the voltage fall to approximately 100 mV.
10
To compensate for waste in wires and keep an excellent voltage regulation in load terminals, connect
8
the two additional wires "+sense" and "-sense" respectively at the "+" and "-" of the load. The two
6
5
4
teleregulation wires will be of a 0.4mm² section at least and must be very closed (wire of 2 leads or
2
better twisted leads). Teleregulation accepts a voltage fall until 1.5 Volts in the"-" wire, as well as the
Ampères
"+"wire (so be it a total of 3 volts).
0
1
2
3
4
4.5
The maximum current will follow the power curve, this one should not exceed 60W.
%
Fig. 2
8 0
5 0
m a x i m u m
r e l a t i v e
m o i s t u r e
° C
3 1
4 0
Wall mounting clip
DIN rail clip
Fig. 4
Fig. 5
Max. 50 meters
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
Screw Ø4
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
STATUS 12V/24V
O
Power supply operating
O
Defective output fuse or disjunction t emperature
O
O
Compatible output with battery charge 12 or 24V
Screw Ø4
O
Absence of mains, charge is supplied by the battery
O
O
O
Power supply under voltage, cut fuse, battery in output
screwdriver
Power supply, out of volt age or in short circuit (I out = 4,2A)
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
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 client. Only devices returned with a dated purchasing invoice can
be recovered by the guarantee. Any intervention carried out by
unauthorized persons or organizations, shall void the guarantee.
7. DECLARATION OF CONFORMITY
according to ISO/IEC guide 22 and EN45014
Manufacturer : ELC, 59 avenue des Romains 74000 Annecy France
declares the product
Name
: OEM stabilized power supply (DC power supply)
Type
: ALE2902M
conformable to following specifications :
Safety
: EN 60950-1:2006/A11:2009
EMC
: EN 61000-6-2:2001, EN 61000-6-4:2001
The product above is conformable to the requirements of the «Low
voltage» directive 2006/95/CE and the «Electromagnetic
Compatibility» directive 2004/108/CE.
Annecy, on September 5, 2013
OPERATION
H. CURRI Manager
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