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EN54-3A28 

 

 

 

                   

RED POWER

 

 

36 

9. Technical parameters. 

 

Electrical parameters (Table 12). 
Mechanical parameters (Table 13). 
Safety of use (Table 14). 
Recommended types and sections of installation cables (Table 15) 
 
 

Table 12. Electrical parameters. 

Functional class PN-EN 12101-10:2007 

A  

Mains supply 

230V AC  (-15%/+10%) 

Current consumption 

0,56A @230V AC 

Power frequency 

50Hz 

PSU’s power  

83W 

Efficiency 

84% 

Output voltage at 
20 

ºC 

22,0V÷ 27,6V DC – buffer operation 
20,0V÷ 27,6V DC – battery-assisted operation 

Output current  

Continuous operation 

Output current Imax a=1,5A  

Instantaneous operation 
              Output current Imax b=3A 

Maximal resistance of the battery circuit 

300mΩ 

Ripple voltage  

90mV p-p max. 

Current consumption by the PSU  
during battery-assisted operation 

I = 78mA  
Caution ! If the power supply is connected with the 
communication interface or fuse module, additional current 
consumption should be considered. 

Battery charging current 

1,5A 

Coefficient of temperature compensation of the 
battery voltage 

-

40mV/ ºC (-5 ºC ÷ 40 ºC) 

Low battery voltage indication 

Ubat < 23V, during battery mode 

Overvoltage protection OVP 

U>30,5V, disconnection of the output voltage ( AUX+ 
disconnection), automatic return 

Short-circuit protection SCP 

F5A 

– current limit, F

AUX

 melting fuse (failure requires fuse 

replacement) 

Overload protection OLP 

Hardware - Software 

Battery circuit protection SCP and reverse  
polarity connection  

F6,3A- current limit, F

BAT

 melting fuse (failure requires fuse 

replacement) 

Deep discharge battery protection UVP 

U<20V 

(± 2%) – disconnection (+BAT) of the batteries, 

TAMPER output indicating enclosure opening 

Microswitch TAMPER 

Technical outputs: 
- EPS FLT; indicating AC power failure 
 
 
 
- APS FLT; indicating battery failure 
- PSU FLT; indicating PSU failure  
- ALARM; indicating collective failure 

 
- type 

– electronic, max 50mA/30V DC, galvanic isolation 

1500V

RMS

 

- delay time approximately 10s/1m/10m/30m (+/-5%) 

– 

configured from the LED panel 
- type 

– electronic, max 50mA/30V DC, galvanic isolation 

1500V

RMS 

 

- type 

– relay: 1A@ 30VDC/50VAC  

CAUTION! 

In Fig.2 the set of contacts shows a potential-free 

status of the relay, which corresponds to power supply failure. 

EXTi technical input 

Voltage „ON” –  10÷30V DC 
Voltage „OFF” –  0÷2V DC 
Level of galvanic isolation 1500V

RMS

 

EXTo relay output 

1A@ 30V DC /50V AC 

Optical indication: 

- LEDs on the PCB of the power supply unit, 
- LED panel 

  output current readings 

  output voltage readings: AUX1, AUX2 

  resistance of the battery circuit 

  mains supply voltage 

  failure codes and history  

Acoustic indication: 
 
 

- piezoelectric indicator ~75dB /0,3m, switched from the LED 
panel 

Fuses:  
 

- F

MAINS

  

 
T 3,15A / 250V  

Содержание EN54-3A28

Страница 1: ...EN54 3A28 v 1 1 EN54 27 6V 3A 2x28Ah power supply for fire alarm systems EN Edition 4 from 12 01 2016 Supersedes the edition 3 from 26 08 2014 LED Version...

Страница 2: ...failure codes and information messages 17 6 3 PSU CONFIGURATION 19 6 3 1 Performing battery test tSt 20 6 3 2 EXTo output ON OFF Eto 21 6 3 3 Setting the delay time for EPS output EPS 21 6 3 4 Acousti...

Страница 3: ...0 7 7 BATTERY TEMPERATURE MEASUREMENT 31 7 8 STANDBY TIME 31 8 REMOTE MONITORING OPTIONS WI FI ETHERNET RS485 USB 32 8 1 COMMUNICATION VIA THE USB TTL INTERFACE 32 8 2 ETHERNET NETWORK COMMUNICATION 3...

Страница 4: ...port with implemented MODBUS RTU protocol Power Security is a free application for remote monitoring of power supplies for PC and Android Phones remote monitoring options WiFi Ethernet RS485 USB remo...

Страница 5: ...al Red mounting spacers 4 pieces Red metal mounting brackets for hanging the power supply 4 pieces M8x16 mounting screws 4 pieces PG9 cable glands 4 pieces PG11 cable glands 4 pieces Battery serial co...

Страница 6: ...YES YES Low battery indication YES YES Deep discharge battery protection YES YES Protection against short circuit of the battery terminals YES YES Battery fuse failure indication YES YES Charging circ...

Страница 7: ...Output current Imax b 3A In case of power loss the PSU switches to battery power providing uninterruptible power supply The PSU is enclosed in a metal casing RAL 3001 red with battery housing for two...

Страница 8: ...ery failure PSU PSU failure ALARM collective failure EXTi EXTi input status EXTo EXTo relay output status LB battery charging 11 Terminals AC AC power input EPS FLT technical output of AC power failur...

Страница 9: ...onents of the PCB of the EMC filter Fig 3 Component No Description FMAINS fuse in the power supply circuit 230V T3 15A 250V L N power supply connector 230V AC PE protective connector Connector for con...

Страница 10: ...module INTR INTE INTW 5 Place to install the EN54 LB4 or EN54 LB8 fuse module 6 TAMPER microswitch contacts of antisabotage protection NC 7 EMC filter module see Table 2 Fig 3 8 2x28Ah batteries 9 Emb...

Страница 11: ...free and convectional air flow through ventilating holes of the casing As the PSU performs a periodic battery test measuring the resistance of connections special attention should be paid to the prope...

Страница 12: ...output of PSU failure APS FLT technical output of the battery failure EXTi input of collective failure 5 Install the batteries in a designated area of the enclosure see Fig 4 Connect the batteries wit...

Страница 13: ...escription Additional information moves the pointer on the screen next screen selection selection approval green LED indicating 230V AC voltage yellow LED indicating exceeding the Imax a current or po...

Страница 14: ...7 The description of display symbols Symbol Description Additional information AUX1 output voltage V Factory setting 27 6V 20 C AUX2 output voltage V Factory setting 27 6V 20 C Total current of the re...

Страница 15: ...he power supply unit will indicate a failure The measurement result is displayed with a resolution of 0 01 ohm 6 2 4 Battery temperature indicator t C Battery voltage indicator displays the measured t...

Страница 16: ...aneously indicate several failures Thanks to this solution codes of all failures and their priority can be previewed in the FLc menu In the FLc menu each press of the OK button on the panel displays t...

Страница 17: ...S FLT ALARM No AC mains supply FMAIN fuse failure F02 AUX1 fuse fail PSU FLT ALARM Blown FAUX1 fuse AUX2 fuse fail Blown FAUX2 fuse F03 BAT fuse fail APS FLT ALARM Blown FBAT fuse Short circuit in the...

Страница 18: ...voltage PSU FLT ALARM Mains supply below 195V AC Section 6 2 5 F21 PSU cover opened PSU FLT ALARM Section 6 6 F50 F54 Internal supply fail PSU FLT ALARM service codes F60 No communication PSU FLT ALAR...

Страница 19: ...ration The PSU is equipped with a configuration menu that allows to configure the settings by changing or the activation of some of its parameters The figure illustrating the configuration menu struct...

Страница 20: ...ission trS Determines the speed of communication 9 6k 115 2k factory setting Section 6 3 7 Parity of the transmission trP Determines the method of communication 8N2 8E1 factory setting 8O1 Section 6 3...

Страница 21: ...ost buttons on the LED panel the tSt parameter will be displayed use the or buttons to display the Eto parameter press OK The current status of the relay will be displayed use the or buttons to in ord...

Страница 22: ...icated acoustically The frequency and number of signals depend on the type of event Table 11 Acoustic indication No Description Event 1 1 signal every 10s battery mode 230V AC power failure 2 1 signal...

Страница 23: ...y if no buttons are pressed within 5 minutes If the display is in the blackout mode pressing any button will reactivate the display simultaneously press the rightmost and leftmost buttons on the LED p...

Страница 24: ...er press OK The current address of the PSU will be displayed use the or buttons in order to set the address 1 247 address of the PSU during the communication with the computer confirm by pressing OK i...

Страница 25: ...he PSU and the computer namely the address parity and speed should have the same settings for both the PSU and the PowerSecurity program The PSU has preset transmission parameters of 115200 baud 8E1 i...

Страница 26: ...SU FLT output indicating PSU failure The output indicates the PSU failure Under normal status during correct operation the output is closed In case of PSU failure it will switch into the open position...

Страница 27: ...the EXT IN input The connection of external devices to the EXT IN input is shown in the electrical diagram below OC outputs open collector or relay outputs can be used as the source of the signal Fig...

Страница 28: ...rcuit on the line could cause damage to other receivers connected to the same output The solution is provided by the optional fuse module EN54 LB4 4 channel or EN54 LB8 8 channel while its mounting lo...

Страница 29: ...ime and overload level microprocessor may disconnect the AUX1 and AUX2 outputs and switch into the battery assisted operation Restart will occur after 1 minute PSU overload is indicated by the PSU FLT...

Страница 30: ...Deep discharge battery protection UVP The PSU is fitted with the disconnection system and the battery discharge indication If the voltage at the battery terminals drops below 20V 0 2V during battery a...

Страница 31: ...in battery mode should be limited Required minimum battery capacity to work with the PSU can be calculated with the following formula QAKU 1 25 Id Iz Td Ia Iz Ta 0 05 Ic where QAKU The minimum batter...

Страница 32: ...wer supply unit power supply current consumption used for the calculation of standby time should be taken into account see section 7 8 8 1 Communication via the USB TTL interface The easiest way of co...

Страница 33: ...against adverse environmental conditions Fig 17 Ethernet network communication using the RS485 INTRE interface 8 3 The Wi Fi wireless communication The Wi Fi wireless communication can be implemented...

Страница 34: ...t adverse environmental conditions Fig 19 The Wi Fi communication using the RS485 WIFI INTRW interface 8 4 RS485 network communication Another type of network communication is the RS485 communication...

Страница 35: ...f the program into smaller areas depending on the number of monitored power supplies The program is equipped with manager mode which allows the grouping of power supplies for easier analysis and orien...

Страница 36: ...ort circuit protection SCP F5A current limit FAUX melting fuse failure requires fuse replacement Overload protection OLP Hardware Software Battery circuit protection SCP and reverse polarity connectio...

Страница 37: ...ins supply 0 51 2 AWG 24 12 Outputs 0 51 2 AWG 24 12 Battery outputs BAT 6 M6 0 2 5 Cable glands PG9 cable diameter 4 8mm PG11 cable diameter 5 10mm Notes The enclosure does not adjoin the mounting su...

Страница 38: ...after installation re tighten all threaded connections see Fig 2 11 and Fig 3 2 CAUTION According to the recommendations of the CNBOP and VdS institutes the batteries should be replaced after four yea...

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