Atkinson Dynamics AD-28LD-MV Руководство по установке и обслуживанию - Страница 12
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Печатать страницуINTERCOM I
AD-28LD-MV MASTER
24 VDC
7
GROUND
6
REMOTE
5
AUDIO +
4
-
AUDIO
3
DRY CONTACT
2
DRY CONTACT
1
J2
NEUTRAL
3
HOT
2
EARTH GND.
1
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.
INTERCOM I
AD-28LD-MV MASTER
24 VDC
7
GROUND
6
REMOTE
5
AUDIO +
4
-
AUDIO
3
DRY CONTACT
2
DRY CONTACT
1
NEUTRAL
3
HOT
2
EARTH GND.
1
Intercom I supplies the DC power to the second intercom. Earth ground
must be wired on the second unit.
USING CALL DRY
CONTACTS WITH AC
J7
1K
1 WATT
POWER
AC
Using Call Dry Contacts with AC
NO REMOTE POWER
J7
1K
1 WATT
J2
AC
No Remote Power Available
Figure 7.
AVAILABLE
Figure 8.
-12-
INTERCOM II
AD-28LD-MV SLAVE
J7
7
24 VDC
6
GROUND
5
REMOTE
4
AUDIO +
3
AUDIO
2
DRY CONTACT
1
DRY CONTACT
POWER
J2
NEUTRAL
3
AC
HOT
2
EARTH GND.
1
INTERCOM II
AD-28LD-MV SLAVE
J7
7
24 VDC
6
GROUND
5
REMOTE
4
AUDIO +
3
AUDIO
2
DRY CONTACT
1
DRY CONTACT
J2
NEUTRAL
3
HOT
2
EARTH GND.
1
-
290A3082B
-
290A3083B