POWER UNITS - RELAY DEVICES - VARIOUS DEVICES
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DOOR PHONE AND VIDEO DOOR PHONE SYSTEM: Product Technical Manual
Ref. 786/11 - 786/12 DOOR PHONE POWER UNIT
WITH CALL TO FOUR SPEAKERS
V
D E
The 786/11 and 786/12 power units are used to power door phone
systems with door unit and/or intercom systems.
The “PS” output of this power unit is used to control up to 4 speakers
in parallel and is protected from overloads.
The voltage output by terminals ~0 and ~12, in addition to energising
the electrical lock, can power the name tag circuits.
TECHNICAL FEATURES
Power supply: 230Vac 50-60Hz for Ref. 786/11
110Vac 50-60Hz for Ref. 786/12
Power: 28VA max
Intake: max 150mA
Output tone generator: 8.0Vpp min
(max four 45 Ω speakers in parallel)
Call tone (PS): two-tone
F1: 960 ÷ 1440Hz
F2: 600 ÷ 900Hz
Sweep: 9,6 ÷ 14,4Hz
Audio circuit power (+6, -6): 0,12A @ 6Vdc
Intercom connection power (+6, -J): 0,12A @ 3,5 ÷ 6,5Vdc
Name tag light power
(~0, ~12): (up to ten Sinthesi 4 buttons modules,
or
up to two K-Steel 4 buttons modules,
or
up to two 3W bulbs)
Electrical lock power (~0, ~12): 2,0A @ 12Vac intermittent
Protection: PTC
Dissipated power after 1 working hour: 4,2W (15 kJ)
INSTALLATION
This power unit can be fi tted on DIN bar or wall-mounted with screws
and bolts with the specifi c 786/50 kit.
DESCRIPTION OF TERMINALS
0 Power supply input
~230 Power supply input (230Vac) 786/11 only
~110 Power supply input (110Vac) 786/12 only
PS Output call tone generator
~12
}
Name tag light and electrical power output
~0
-J Output with impedance for intercom connection
+6 Audio circuit power
-6 Audio circuit reference earth
Ref. 786/11 - 786/12 DOOR PHONE POWER UNIT
WITH CALL TO FOUR SPEAKERS
TECHNICAL FEATURES - INSTALLATION
Ref. 786/11-/12
PS
-6
-J
~0~12 +6
~230
0
Sch. 789/11
V
D E
SEC:
6V 0,20A
12V~ 0,40A
(12V~2Aint.)
PR
IM:
230V~
(28VA)
50/60HZ
61 mm
90 mm
54 mm
(3 DIN modules)
PS
-6-J
~0
~12
DOOR PHONE POWER UNIT WITH CALL TO FOUR SPEAKERS
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