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Loopdrive – User and installation manual 

 

 

21 

 

 

6.   Technical specifications 

 

FIM 

 

Electrical: 

 

DC Power supply (powered via loop from LDB) 

19 ~ 30 VDC, nominal 30 VDC 

DC Power consumption 

 

inrush current 

650 µA (10 ms) 

idle current 

100 µA continuous 

max. power consumption 

20 mW 

LOOP connection 

 

DC 

30 V, max. cont. 130 mA 

AC Voltage 

max cont. 100 V

RMS

, 300 V

PP 

AC Current 

max cont. 8 A 

AC Frequency range 

40 Hz ~ 20 kHz (-3dB) 

AC THD 

max 10% (according to EN 54-16) 

T-branch output 

 

DC 

560 mV, max. 15 µA, cont. 1 µA 

AC 

same as LOOP 

maximum AC load 

50 W 

Wiring 

2-wire, max. 2.5 mm

2

loop max. length 1 km, outer cable diameter max. 13 mm 

Grounding 

optional earth loop through third connection pin 

Loop relay contact rating 

max. 250 VAC / 8 A (Dual-state type) 

Maximum total loop load 

800 W 

Loudspeaker type 

only with DC blocking capacitor 

Maximum number of FIM’s, single loop 

200 

Maximum number of loudspeakers 

 

between FIM’s 

Infinite within the maximum loop-load of 800W (National standard may limit the 
number of loudspeakers between FIM’s) 

T-branch 

Infinite within the maximum T-branch load of 50W (National standard may limit the 
number of loudspeakers) 

Short detection 

< 90 Ω (L+ to L-) 

Open detection (only T-branch with EOL monitoring) 

> 360 kΩ (L+ to L-) 

Functional: 

 

Interfacing 

 

Status indicators 

2 x two-colour LED (orange/blue), 1 x output to optional external fault LED 

User buttons 

Reset + EOL detection switch 

Fault report 

Open relays 

Reset 

manual, by FIM reset button or by LDB reset 

Reset time 

< 3s 

Full charging time (from complete discharge) 

< 50s 

Fault detection time 

 

Loop short, T-branch short 

< 1 s 

T-branch open (only with EOL monitoring) 

< 5 s 

Audio recovery time 

 

Loop short 

< 4 s 

Other faults 

0 s (no audio interruption) 

Mechanical: 

 

Housing (material) 

plastic body (ABS/PC-V0 ) with transparent cover (PC-V0) 

Protection rating 

IP 33, IP 55 

Dimentions (WxHxD) 

IP 33 housing 
IP 55 housing 

 

110 x 130 x 55 mm 
110 x 180 x 55 mm 

Weight 

150 g 

Mounting 

Surface mounting, on-speaker mounting 

Connections 

 

LOOP / T-branch 

3-way 5 mm WAGO push-in terminal block (L+,L-,GND) 0.8 – 2.5 mm

Ext. LED 

2-way 3.5 mm screw terminal block 

Environmental 

 

Operating temperature 

-25˚C ~ +55˚C 

Storage temperature 

-20˚C ~ +70˚C 

Relative humidity 

15% – 93% 

Compliant standards 

 

Short-circuit isolators 

EN 54-17 (0560 – CPR – 142190002) 

Voice evacuation 

NEN 2575 
NPR 2576 

Safety 

EN 60065 

EMC 

EN 55103 

Ordering information 

 

Содержание Loopdrive 4E-FIM-I

Страница 1: ...Loopdrive User and installation manual V01R041...

Страница 2: ...issioning 8 2 1 Cables 8 2 2 How to install LDB in the Voice Alarm System 8 2 3 How to install FIMs on a loudspeaker line 10 2 4 Examples of Loopdrive installations 13 3 Routine maintenance inspection...

Страница 3: ...toring of loudspeaker lines and single loudspeakers In case of fatal failure on the loudspeaker line Loopdrive reacts immediately and keeps seamless audio transmission Finally Loopdrive is a simple an...

Страница 4: ...commands to FIMs LDB is responsible for monitoring and reporting faults globally per loudspeaker loop Loop short entire loop Loop open entire loop T branch short any T branch T branch open any T bran...

Страница 5: ...circuit Responsible for monitoring and reporting faults locally for local line segments connected to the FIM Loop short only adjacent segments T branch short T branch open 1 Indicator A 2 LOOP connec...

Страница 6: ...he type of the fault Following types of faults are detected by Loopdrive a every short circuit on loudspeaker line immediately after it s occurrence with audio recovery within 4 seconds b open loop fa...

Страница 7: ...pdrive indications Loopdrive modules feature multi colour LED indicators with different colour and blinking cycles which correspond to currently detected state of the loudspeaker line General principl...

Страница 8: ...mory Blinking speed fast 4 blinks s slow 1 blink s very slow 1 blink 4s Fault status active fault is currently detected memory fault was detected in the past and fixed NOTE FIM is not capable of indic...

Страница 9: ...rt up of FIM Skipping LDB during fresh system installation may result in wrong FIM connections and unnoticed cable faults which will cost you precious time during system commissioning a Fix LDB on a D...

Страница 10: ...h 24V 48V up to 32 LDB units Larger number of LDBs should be divided and fitted onto separate power rails Common RS485 bus and common fault output may be shared up to the maximum number of 256 LDBs in...

Страница 11: ...e loop is complete NOTE When Loopdrive is in SERVICE MODE audio signal from power amplifier is not transmitted to the loop c Double check if the loudspeaker line cable is connected to the PRIMARY loop...

Страница 12: ...Fix the cabling before further installation Picture 7 Both sides of FIM properly connected to the loop j If needed connect the loudspeaker or T Branch line to FIM T Branch connector In case of short c...

Страница 13: ...to the LDB and connect the returning loop cable to SECONDARY output connector of LDB If cable loop is complete and works correctly OPEN indication on LDB will stop LDB remains in SERVICE MODE o Reset...

Страница 14: ...rive User and installation manual 13 2 4 Examples of Loopdrive installations Picture 12 Minimum configuration equivalent to A B line Picture 13 Speakers only on the loop Picture 14 One FIM per each sp...

Страница 15: ...Simulate short circuit fault 1 Using a jumper make direct short between L and L wire on PRIMARY or SECONDARY output of LDB 2 Confirm that SHORT indication on LDB appears 3 Confirm that fault contact...

Страница 16: ...ally starts at the main system rack where LDB units are located Observe LDB front panels and compare the indications to indication table in this manual NOTE Multiple faults can be shown on LDB at same...

Страница 17: ...ction Two alternative solutions are available a 4EVAC Loopdrive Sniffer PC application is the easiest way to go Use FIM tracking feature for the best result FIM tracking is automated procedure which a...

Страница 18: ...st check if power amplifier is connected If so continue with the same procedure as for SHORT fault Two alternative solutions are available a Loopdrive Sniffer PC application is the easiest way to go U...

Страница 19: ...e polarity double twist If there are two or more but even number twists in loop cable polarity some of FIM modules are not powered and therefore system is not fully operational Loopdrive however will...

Страница 20: ...directly to FIM the LED indicator on the faulty section side will blink orange fast FIM is isolating the faulty section with open relay T Branch is still operational and fed with audio from the healt...

Страница 21: ...nge alternately with 2 seconds intervals Both relays of the FIM are open creating an interruption in the loop T Branch is isolated from the loop Picture 20 Open T Branch What to do Reconnect the T Bra...

Страница 22: ...50W National standard may limit the number of loudspeakers Short detection 90 L to L Open detection only T branch with EOL monitoring 360 k L to L Functional Interfacing Status indicators 2 x two col...

Страница 23: ...dspeaker type only with DC blocking capacitor Maximum number of FIM connected single loop 200 Short detection 90 L to L Open detection 1 8 k PRI to SEC AMP to AMP Ground leakage detection 30 k L L or...

Страница 24: ...apparatus EN50130 4 2011 A1 2014 Electromagnetic compatibility Immunity 61000 6 3 2017 A1 2011 Electromagnetic compatibility 61000 6 4 2019 Electromagnetic compatibility EN55032 2015 A1 2020 Electroma...

Страница 25: ...Loopdrive User and installation manual 24 M A D E I N T H E N E T H E R L A N D S 4EVAC is a trade name of Hacousto Holland bv Industrieweg 87 2651BC Berkel Rodenrijs The Netherlands www 4EVAC com...

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