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Document No DCP0002129 TC 26/03/02 Rev 4 

Page 2 

PDA200E Induction Loop System - 

Installation Guide

 

PD

A200E Induction Loop

— 

Example Installation

 

 

Th

is sch

em

atic sh

ow

s an

 exam

pl

e sy

ste

m

 

w

hich utilises a desk

 m

ou

nted m

icrophone

 

(AMT

w

ired d

irect 

in

to th

e PDA2

00

, t

w

o

 

w

all m

ou

nted

 mics (APM)

 an

d a 10

0V line

 

fe

ed

 fr

om

 a

 p

ublic ad

dre

ss s

yste

m

T

he ale

rt 

tr

igg

er

 ha

be

en

 w

ire

d to 

a do

or

be

ll 

w

hich,

 

w

hen

   

 a

ctivated, pla

ys a

 2k

Hz

 ton

e th

ro

ugh

 

the

 lo

op. 

 

 

Содержание PDA200E

Страница 1: ...ions at our discretion and without prior notice E OE Technical Features The PDA200E is a current mode induction loop amplifier with the following features Up to 120m2 coverage ideal for most applications Straightforward internal screw connections Ideal for electrical contractors no audio connectors Wall mounted for permanent installation Internal controls avoid user tampering Mid range tone contro...

Страница 2: ...oop Example Installation This schematic shows an example system which utilises a desk mounted microphone AMT wired direct into the PDA200E two wall mounted mics APM and a 100V line feed from a public address system The alert trigger has been wired to a doorbell which when activated plays a 2kHz tone through the loop ...

Страница 3: ...mpliance of the system as a whole Equipment guarantee This equipment is not guaranteed unless the system is installed and commissioned in accordance with national standards by an approved and competent person or organisation General precautions Do not test wiring with an insulation tester Megger with any equipment connected as the 500 Volt test voltage will destroy these devices totally Unpacking ...

Страница 4: ...V input is used these wires must also be segregated from the other inputs Mains Wiring Connect mains to the PDA200E The 230V a c cable MUST enter the enclosure via one of the knock outs at the top right hand corner of the enclosure This equipment requires fixed wiring using three core cable no less than 0 75 mm2 and no more than 2 5 mm2 fed from a 3 Amp fuse spur fitted with an all pole isolating ...

Страница 5: ...ach plate omitting the V connection Fitting Outreach Plates Up to five Outreach plates can be daisy chained together connected as a single line level input Mounting Outreach plates Outreach plates are supplied with cable and glands They are to be surface mounted on a 25 mm single gang box 1 Run the 2 pair screened audio cable supplied in kits from the PDA200E to the first Outreach plate and secure...

Страница 6: ...British Standard BS 7594 suggests several technically complex solutions that are reasonably effective but are rarely employed due to high cost A low cost but effective method to reduce overspill is to make a smaller loop typically in the centre of a room The smallest practicable loop for floor or ceiling mounting up to 3 metres high is 2 metres square This will provide a reasonable field at head h...

Страница 7: ...control is used to set the input level into the amplifier Apply a typical audio source such as a CD or test signal and adjust so that the limit indicator on the front panel just comes on then move back approximately 1 8 of a turn If this indicator is either on constantly or not on at all with the signal present then the amplifier may need further adjustment If this level is set too high then the l...

Страница 8: ...or wall ceiling APJ 3 5 mm mono jack plate for unbalanced microphones APX XLR plate for hand mics mixing desks APL line level for TV sets or other audio Up to 5 Outreach plates can be daisy chained together as illustrated below Accessories Available separately AMT Tie Clip Desk mic AMH Handheld mic AML Lectern mic AMD Desktop mic AMP Phantom powered condenser microphone AMR Handheld or Lavaliere r...

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