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EN54-7A17 

 

v.1.1 

 

EN54 27,6V/7A/2x17Ah 

power supply unit for fire alarm systems  

EN** 

Edition: 5 from 31.01.2019 

Supersedes the

 edition

: 4 from 12.01.2016 

 

LED Version 

 

 

 

 
 

 
 
 

 
 

 
 

 

 

 

              

 

 
 

 
 

 

 

 

       

 

 

 

 
 

 
 

 

 

 
 
 

 

 

 

 

 

 

 

Summary of Contents for EN54-7A17

Page 1: ...EN54 7A17 v 1 1 EN54 27 6V 7A 2x17Ah power supply unit for fire alarm systems EN Edition 5 from 31 01 2019 Supersedes the edition 4 from 12 01 2016 LED Version...

Page 2: ...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 Acoustic indication ON OF...

Page 3: ...PERATURE 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 32 8 3 THE WI FI W...

Page 4: ...tion 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...

Page 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...

Page 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 cir...

Page 7: ...utput current Imax b 7 A 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...

Page 8: ...ttery 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 fail...

Page 9: ...ponents of the PCB of the EMC filter Fig 3 Component No Description FMAINS fuse in the power supply circuit 230 V T6 3 A 250 V L N power supply connector 230 V protective connector Connector for conne...

Page 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 2x17 Ah batteries 9 Em...

Page 11: ...e casing As the PSU performs a periodic battery test measuring the resistance of connections special attention should be paid to the proper connection of the cables to the batteries Installation cable...

Page 12: ...llective failure of the PSU EPS FLT technical output of AC power loss indication PSU FLT technical output of PSU failure APS FLT technical output of the battery failure EXTi input of collective failur...

Page 13: ...Description Additional information moves the pointer on the screen next screen selection selection approval green LED indicating 230 V voltage yellow LED indicating exceeding the Imax a current or pow...

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

Page 15: ...m the 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 measur...

Page 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...

Page 17: ...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 b...

Page 18: ...voltage PSU FLT ALARM Mains supply below 195 V 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 AL...

Page 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...

Page 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...

Page 21: ...tmost 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 o...

Page 22: ...dicated 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 230 V power failure 2 1 signal...

Page 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...

Page 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...

Page 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...

Page 26: ...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 F...

Page 27: ...f 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 Fi...

Page 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...

Page 29: ...time 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 FL...

Page 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 20 V 0 2 V during batter...

Page 31: ...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 battery c...

Page 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...

Page 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...

Page 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...

Page 35: ...r supplies in case of failures the backlight changes accordingly in both the manager window and the Windows taskbar In addition the program allows you to download the operation history of the power su...

Page 36: ...noptic board or the list mode This is especially useful when the PowerSecurity program works with a large number of power supplies The application enables both visualization and analysis of read data...

Page 37: ...hort circuit protection SCP F8 A current limit FAUX melting fuse failure requires fuse replacement Overload protection OLP Hardware Software Battery circuit protection SCP and reverse polarity connect...

Page 38: ...01 red Closing Key lock Terminals Mains 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 enclo...

Page 39: ...r if it is used in dusty conditions In case of fuse replacement use only compatible replacement parts Technical inspections should be carried out not less frequently than once per year During the insp...

Page 40: ...llect such WEEE separately CAUTION The power supply unit is adapted for cooperation with the sealed lead acid batteries SLA After the operation period they must not be thrown but recycled according to...

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