Atkinson Dynamics AD-27 Specifikace stáhnout pdf (Strana 12)

-12-

Using Call Dry Contacts with AC

The dry contacts can be used to switch devices such as an auxiliary sound

or light when call is depressed. The maximum ratings for the dry contacts

 are.4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.

Figure 7.

290A3082B

24 VDC

GROUND

REMOTE

AUDIO +

AUDIO

DRY CONTACT

24 VDC

GROUND

REMOTE

AUDIO +

AUDIO

DRY CONTACT

NEUTRAL

HOT

EARTH GND.

NEUTRAL

HOT

EARTH GND.

INTERCOM I

AD-28LD-MV MASTER

J2 J2

INTERCOM II

AD-28LD-MV SLAVE

USING CALL DRY

CONTACTS WITH AC

1 WATT

POWER

No Remote Power Available

 IntercomIsuppliestheDCpowertothesecondintercom.Earthground

must be wired on the second unit.

Figure 8.

290A3083B

24 VDC

GROUND

REMOTE

AUDIO +

AUDIO

DRY CONTACT

24 VDC

GROUND

REMOTE

AUDIO +

AUDIO

DRY CONTACT

NEUTRAL

HOT

EARTH GND.

NEUTRAL

HOT

EARTH GND.

INTERCOM I

AD-28LD-MV MASTER

J2 J2

INTERCOM II

AD-28LD-MV SLAVE

NO REMOTE POWER

AVAILABLE

1 WATT

1 2 ... 7 8 9 10 11 12 13 14 15

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