Atkinson Dynamics AD-27 Specifiche Scaricare il pdf (Pagina 17)

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Operating Principle:

• Whenonetalks,allintercomswillhear.

• Totalktootherstations,pressthetalk/listenswitchand

 speakintothespeaker/microphone.Releasetalkswitchto

listen.

• PressingthecallbuttononremoteAorBprovidesa

 contactclosureforanattention-gettingauxiliarysignaling

device, e.g. a strobe light.

NOTES:

1. Speaker/Microphone

2. Off/On/SpeakerVolumeControl

3. Listen/TalkSwitch

4. “Call”ToneSwitch

5. Customer-SuppliedAuxiliarySignalingDevice(e.g.,strobe

 light)

Power Remote A Remote B

12-18VDC --  AD-26-3

120V50/60Hz AD-28X-MV AD-27-3

22-30VDC AD-28X-MV AD-56-3

240V50/60Hz AD-28X-MV AD-57-3 

POWER CONNECTIONS (Remote B):

BLK +DCPower 12/24VModels

  HOT 120/240VModels

WHT Common 12/24VModels

  Neutral 120/240VModels

GRN EarthGround 120/240VModelsonly

Reminders:

• Beforeinstallingremoteintercoms,precautionsshouldbetakentopreventfeedbackbetweentwoormoreremotesincloseproximityandacousticallyreectiveareas.

• 16–20gaugelowvoltageaudiocable.Twistedpairnotrequired.

• Shieldedaudiocablenotrequiredunlessoperatinginhighelectromagneticelds.Groundoneendoftheshieldtoearthground.

• AudioandpowercablesarenotsuppliedwithAD-28X-MV.

• Thedrycontactscanbeusedtoswitchanauxiliaryaudibleorvisualsignalingdevicewhenthecallbuttonisdepressed.Themaximumratingsforthedrycontactsare0.5amps@125VACand1.25amps

@24VDC.Thismethodassuresacallisreceivedevenwhenthevolumeononeoftheintercomsisturnedallthewaydown.

290A4725-11

DRY CONTACT

FOR CALL

AUDIO (-)

AUDIO (+)

REMOTE

GROUND (-)

24VDC (+)

NEUTRAL

HOT

EARTH GROUND

1WATT

REMOTE A

BLK

AUDIO CABLE

TO OTHER

INTERCOMS

AUDIO

LINE

AUDIO

LINE

RED

WHT

POWER

GRN

REMOTE B

POWER

AUXILIARY

SIGNALING DEVICE

SEE POWER

CONNECTIONS

BLK

WHT

GRN

AUXILIARY

SIGNALING DEVICE

ATKINSON DYNAMICS

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