Pulsar APSDC2410A Manuale utente

APSDC2410A

APS UPS DC 27,6V/10A/OC

Buffer switch mode power supply unit

with technical outputs.

INSTRUCTIONS APSDC1202A

Features:

•

DC 27,6V/10A uninterruptible power supply*

•

fitting battery: 2x17Ah/12V

•

wide range of mains supply: 176÷264V

•

built-in power factor correction system (PFC)

•

high efficiency 85%

•

battery charging and maintenance control

•

excessive discharging (UVP) protection

•

jumper selectable battery charge current

1A/2A/4A

•

battery output full protection against short-circuit

and reverse polarity connection

•

LED indication

•

EPS technical output indicating AC power loss

–

OC and relay type

•

PSU technical output indicating PSU failure

–

OC and relay type

•

LoB technical output indicating battery low voltage

–

OC and relay type

•

protections:

•

SCP short-circuit protection

•

OVP overvoltage protection

•

overvoltage protection

•

against sabotage

•

overload protection (OLP)

•

overheat protection OHP

•

forced cooling - built-in fan

•warranty –2 year from the production date

CONTENTS:

Technical description.

1.1

General description

1.2

Block diagram

1.3

Description of PSU components and connectors.

1.4

Specifications

Installation.

2.1

Requirements

2.2

Installation procedure

Operating status indication.

3.1

LED indication of operating status

3.2

Technical outputs

Operation and use.

4.1

Overload or short circuit of the PSU output (SCP on)

4.2

Battery-assisted operation

4.3

Maintenance

Technical description.

1.1

General description.

A buffer PSU is intended for an uninterrupted supply to devices requiring stabilized voltage of

24V DC (+/-15%). The PSU provides voltage of U=27,6V DC. Current efficiency:

Output current 9A + 1A batterycharge*

Output current 8A + 2A battery charge*

Output current 6A + 4A batterycharge*

Total device current + battery: 10A max

In case of power decay, a battery back-up is activated immediately. The PSU is constructed based on the

switch mode PSU, with high energy efficiency. The PSU is housed in a metal enclosure (colour RAL 9003) which

can accommodate a 2x17Ah/12V battery. A micro switch indicates door opening (front cover).

INSTRUCTIONS APSDC1202A

1.2

Block diagram (fig.1)

Fig.1. The block diagram of the PSU.

1.3

Description of the module’s components and connectors.

Table 1. Elements of the module’s (see fig. 2).

Element no.

Description

[1]

LED indicating presence of AC power

[2]

LED indicating presence of DC power

[3]

LED indicating correct battery voltage

[4]

EPS- AC absence technical output –relay type

[5]

PSU- output indicating DC absence/PSU failure - relay type

[6]

LoB- output indicating battery low voltage - relay type

[7]

EPS - AC absence technical output –OC type

[8]

PSU - output indicating DC absence/PSU failure - OC type

[9]

LoB - output indicating battery low voltage - OC type

[10]

Connectors PSU:

+V ,-V- DC supply output

+B, -B –battery connectors

L-N 230V AC power connector, PE protection connector

[11]

VADJ - potentiometer, voltage adjustment DC

[12]

Selection jumper for charging current:

Ibat =1A, Ibat=2A Ibat=4A

Description: jumper installed, jumper removed

[13]

Battery connectors: +BAT =red, - BAT = black

[14]

LED indication on the front panel

INSTRUCTIONS APSDC1202A

Fig. 2. The view of the PSU.

Description of PSU components and connectors (tab.2, fig.3).

Element no.

[Fig. 3]

Description

[1]

PSU module

[2]

TAMPER, contact, sabotage protection (NC)

Tab.2. Output terminals of the PSU.

Fig.3. The view of the PSU.

INSTRUCTIONS APSDC1202A

1.4

Specifications:

electrical parameters (tab.3)

mechanical parameters (tab.4)

operation safety (tab.5)

operating parameters (tab.6)

Electrical parameters (tab. 3)

Mains supply

176÷264V AC

Current up to

1,5A@230V AC

Supply power

276W max.

Efficiency

85%

Output voltage

22V÷27,6V DC –buffer operation

19V÷27,6V DC –battery-assisted operation

Output current tAMB<30°C

9A + 1A battery charge - see chart 1

8A + 2A battery charge - see chart 1

6A + 4A battery charge - see chart 1

Output current tAMB=40°C

6A + 1A battery charge - see chart 1

5A + 2A battery charge - see chart 1

3A + 4A battery charge - see chart 1

Voltage adjustment range

24÷28VDC

Ripple

150mV p-p max.

Current consumption by PSU systems

180 mA

Battery charge current

1A, 2A or 4A max. @ 2x17Ah (± 5%) –jumper selectable

Short-circuit protection SCP

electronic, automatic recovery

Overload protection OLP

105-150% of power supply, automatic recovery

Battery circuit protection SCP and reverse

polarity connection

melting fuse

Surge protection

varistors

Overvoltage protection OVP

>32V (automatic recovery)

Excessive discharge protection UVP

U<19V (± 5%) –disconnect of connection battery

Tampering protection system:

- TAMPER –indicating unwanted opening of the

PSU’s enclosure

- a microswitch, NC contacts (enclosure closed)

0,5A@50V DC (max.)

LED indication:

AC diode indicating AC power status

AUX diode indicating DC power status at

the PSU output

BAT diode indicating battery voltage level

red, normal status –on, failure: off

green, normal status –on, failure: off

Technical outputs:

EPS; output indicating AC power failure

PUS; output indicating DC absence/PSU failure

LoB output indicating battery low voltage

relay type: 1A@ 30V DC/50V AC, time lag: approx. 10s.

OC type, 50mA max., normal status: L (0V) level, failure:

hi-Z level.

relay type: 1A@ 30V DC/50V AC,

OC type, 50mA max., normal status: L (0V) level, failure:

hi-Z level

relay type: 1A@ 30V DC/50V AC,

OC type, 50mA max., normal status: (UBAT >23V): L (0V)

level, failure: (UBAT <23V): hi-Z level

The power supply unit does not feature a battery detection

function.

INSTRUCTIONS APSDC1202A

Mechanical parameters (tab. 4)

Dimensions

W=400, H=350, D+D1=92+8 [+/- 2mm]

W1=405, H1=355 [+/- 2mm]

The dimensions of the

battery compartment

370x170x80mm (WxHxD) max

Fixation

See figure 2

Net/gross weight

4,2kg / 4,5kg

Enclosure

Steel plate, DC01 0,7mm colour: RAL 9003

Closing

Cheese head screw x 2 (at the front), (lock assembly possible)

Connectors

Power supply: Φ0,63-2,50 (AWG 22-10)

Outputs: Φ0,63-2,50 (AWG 22-10), battery output BAT: 6,3F-2,5

TAMPER output: wires

Notes

The enclosure does not touch the assembly surface so that cables can be led.

Forced cooling - built-in fan.

Operation safety (tab.5)

Protection class PN-EN 60950-1:2007

I (first)

Protection grade PN-EN 60529: 2002 (U)

IP20

Electrical strength of insulation:

between input and output circuits of the PSU (I/P-O/P)

between input circuit and PE protection circuit(I/P-FG)

between output circuit and PE protection circuit (O/P-FG)

3000 V/AC min.

1500 V/AC min.

500 V/AC min.

Insulation resistance:

- between input circuit and output or protection circuit

100 MΩ, 500V/DC

Operating parameters (tab.6)

Operating temperature

-10ºC...+40ºC (see: chart 1)

Storage temperature

-20ºC...+60ºC

Relative humidity

20%...90%, without condensation

Vibrations during operation

unacceptable

Impulse waves during operation

unacceptable

Direct insulation

unacceptable

Vibrations and impulse waves during transport

According to PN-83/T-42106

Chart 1. Acceptable output current from the PSU depending on ambient temperature.

Installation.

2.1

Requirements.

The buffer PSU shall be mounted by a qualified installer with appropriate permissions and qualifications for

230V AC installations and low-voltage installations (required and necessary for a given country). The device shall

be mounted in confined spaces, according to the environment class II, with normal air humidity (RH=90% max.

without condensation) and the temperature from -10°C to +40°C. The PSU shall work in a vertical position that

guarantees sufficient convectional air-flow through ventilating holes of the enclosure.

INSTRUCTIONS APSDC1202A

Before installation, prepare a PSU load balance.

Output current 9A + 1A batterycharge*

Output current 8A + 2A batterycharge*

Output current 6A + 4A batterycharge*

Total device current + battery: 10A max

As the PSU is designed for a continuous operation and is not equipped with a power-switch, therefore an

appropriate overload protection shall be guaranteed in the power supply circuit. Moreover, the user shall be informed

about the method of unplugging (usually through assigning an appropriate fuse in the fuse-box). The electrical system

shall follow valid standards and regulations.

2.2

Installation procedure.

Before installation, cut off the voltage in the 230V power-supply circuit.

Mount the PSU in a selected location and connect the wires.

Connect the power cables (~230V AC) to L-N clips of the PSU. Connect the ground wire to the clip marked by the

earth symbol PE (PSU module connector). Use a three-core cable (with a yellow and green PE protection wire) to make

the connection. Lead the cables to the appropriate clips through the insulating bushing of the connection board.

The shock protection circuit shall be performed with a particular care, i.e. the yellow and

green wire coat of the power cable shall stick to one side of the terminal - marked with

‘

‘ symbol on the PSU enclosure. Operation of the PSU without the properly made and

fully operational shock protection circuit is UNACCEPTABLE! It can cause a device

failure or an electric shock.

Connect the receivers’ cables to the terminals V+ (+), V-(-) of the PSU module.

Connect the power (~230V)

Check the PSU output voltage:

the PSU voltage without load should amount to U=27,6V DC.

Connect the battery (mind the colours):

battery output (+V): BAT+ cable / red,

battery output (0V): BAT –cable / GND / black.

Check the PSU operation indicator: green LED.

After installing and checking proper working, the enclosure can be closed.

Operating status indication.

3.1

LED indication of operating status.

The PSU is equipped with 3 diodes on the front panel:

RED LED:

•

on –the PSU is supplied with 230V AC

•

off –no 230V AC supply

GREEN LED:

•

on –DC voltage in the AUX output of the PSU

•

off –no DC voltage in the AUX output of the PSU

•

on –PSU’s voltage UBAT > 23V

•

off –PSU’s voltage UBAT < 23V

Moreover, the PSU is equipped with 3LEDs on the PCB board:

red LED (Fig.2, element 1) normal status (AC power): permanently illuminated. AC power absence is indicated by

the AC diode going out.

green LED (Fig.2, element 2) indicates DC power at the PSU output. Under normal status the diode is permanently

illuminated. In case of a short circuit or an overload, the diode is off.

green LED (Fig.2, element 3) indicates battery voltage level. Under normal status (UBAT > 23V) the diode is

permanently illuminated. In case of decrease of battery voltage (UBAT < 23V) the diode is off.

INSTRUCTIONS APSDC1202A

3.2

Technical outputs

The PSU has indication outputs:

•

EPS - absence of AC supply output:

OC type output that indicates AC power loss. Under normal status, with 230V AC supply, the output is

connected to ground (L level –0V). In case of power loss, the PSU will switch the output into high

impedance state hi-Z.

- relay output indicating the absence of AC supply. In case of power loss, the PSU module will switch the relay

contacts.

CAUTION! In Fig.5. the contact set in the potential-free status corresponds to a state with no AC

power (AC power failure).

•

PSU –technical output indicating absence of DC voltage at the PSU:

OC type output indicating the PSU failure. In normal state (during correct operation) the output is connected

to ground (L level –0V). In case of absence of DC voltage at the output (e.g. short circuit), the output is

switched into high impedance state –hi-Z.

relay output. In case of a failure, the contacts of the relay change over.

CAUTION! In the Fig.5. the set of contacts shows a potential-free status of the relay which

corresponds to a state with no DC power (PSU failure).

•

LoB –technical output indicating battery voltage:

OC type output. Under normal status (UBAT > 23V) the output is connected to ground (L level –0V). In case of

decrease of battery voltage (UBAT < 23V) the output is switched into high impedance state –hi-Z.

relay output. In case of a battery voltage drop UBAT < 23V, the contacts of the relay change over.

The power supply unit does not feature a battery detection function. In the case of no battery or non battery

connected, the output is in the normal mode.

CAUTION! In the Fig.5. the set of contacts shows a potential-free status of the relay which

corresponds to a state with low battery level (UBAT <23V).

Fig. 4. Electrical diagram of OC outputs.

Fig. 5. Electrical diagram of relay outputs.

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Operation and use.

4.1

Overload or short circuit of the PSU output (SCP on).

In case of overload, the output voltage is automatically shut off, and so is the LED indicator. The restoration

of the voltage takes place immediately after the failure (overload) is over.

4.2

Battery-assisted operation.

In case of a main power outage, the device is immediately switched into a battery-assisted operation.

The PSU is equipped with the discharged battery disconnection system. During the

battery-assisted operation, reducing voltage below 19V at the battery terminals will cause

battery disconnection.

4.3

Maintenance.

Any and all maintenance operations may be performed following the disconnection of the PSU from the

power supply network. The PSU does not require performing any specific maintenance measures, however, in

case of significant dust rate, its interior is recommended to be cleaned with compressed air. In case of fuse

replacement, use a replacement of the same parameters.

WEEE MARK

According to the EU WEE Directive –It is required not to dispose of electric or

electronic waste as unsorted municipal waste and to collect such WEEE separately.

The power supply unit is adapted for a sealed lead-acid battery (SLA). After the operation period it must not be disposed of but recycled

according to the applicable law.

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