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OPERATION
The video door entry installation consists of one camera entrance
panel with speech unit, one power supply and one or more moni-
tors. The system can operate with monitors and B/W or colour
cameras and with or without conversation privacy.
The power supply is not equipped with intercommunicating
section; nevertheless it is possible to carry out a monitor and/or
intercommuicating interphones network using switching module
type 935A in conjunction with the basic power supply.
When an entrance panel push-button is pressed, the chime rings
in the corresponding apartment. Almost immediately the imageof
the caller appears on the monitor. The coverage area is illumina-
ted by built-in infrared leds when using B/W camera, or by a built-
in white light when using a colour camera.
If desired, the user may simply raise the interphone, communicate
with the caller and, if appropriate, activate the door-opener. In
this case, door-opening time may be varied from 1 to 30 seconds
using the potentiometer P3.
The system turns itself off automatically after a preset time, adju-
stable from 30 to 90 seconds using potentiometer P1 inside the
power supply. If the caller presses another user's push-button,
the previously called monitor is automatically disactivated without
waiting for the end of the preset time. When testing the installed
system, use trimmer P2 to adjust the optimal volume of the spe-
ech unit. For simultaneous activation of two or ore monitors one
extra power supply type 5582/C17 must be installed for each
additional monitor or type 6583 for more monitors. A blocking
circuit cuts off power to monitors if the line is overloaded or
short-circuited. The power supply is also equipped with a specific
device to eliminate any buzzing on the voice circuit caused by the
use of wires that are too long and/or too thin only in installations
with "SOUND SYSTEM" call. Push-buttons with name-tags are
illuminated through output 0-15 on power supply. Up to a maxi-
mum number of three 24V 3W bulbs can be connected. An addi-
tional transformer, type M832 or 832/030 is required for entrance
panels with more bulbs.
Technical specifications of power supply type 6680/
C17 - (6680/C17/V03)
Type 6680/C17 is the basic power supply for all video door entry
systems with SOUND SYSTEM call and is equipped with an
electronic double tone generator, which replaces conventional
alternative calling with a buzzer or bell. The sound is emitted with
two different tones (present on terminals C1-C2) thereby allowing
the user to immediately identify the source of the call (main
entrance, gate, garage, etc.). This feature provides economic and
pratical advantages since the use of several conventional sound
emitting systems is no longer required; the signal is emitted from
a single loudspeaker in the interphone. In some cases, savings
can be made on the cable routing work requirements for additio-
nal bell systems. Manufactured in technopolimer class V-0 hou-
sing; preset for mounting on cases with 12-Module DIN support or
with expanding plugs with screws.
- 117V A.C. 60Hz supply (other voltages on request) with polari-
zed plug
- 60VA maximum absorbed power.
- Dissipated power: 15W
- 18V D.C. 0.8A monitor supply (90 sec. ON, min. 90 sec. OFF)
- 13V D.C. 0.3A camera supply (90 sec. ON, min. 90 sec. OFF)
- 15V rectified voltage 0.25A continuous duty for push- button
illumination (3x24V 3W max)
- Door lock output: 15V A.C. 1A intermittent cycle, (30 sec. ON,
min. 150 sec. OFF)
- Amplified electric door-opener system.
- Timer and automatic disconnection device of monitor previously
activated.
EN
- Interchangeable cards for quick maintenance.
- Removable terminal blocks.
POWER SUPPLY OPERATING MODES
- Selector set A-B:
- "A" Position: operating with sound system call, to be used in
case of summing noises (caused by power supply, door lock or
lamps) dectected on the interphone line.
- "B" Position: normal operation with Sound System call, swi-
tching module in "A" position only in case of summing noises on
the audio line.
- "B" Position: operating with 15V A.C. call only. In this case
power supply 6680/C17 completely replaces power supply type
6580.
PROTECTION OF POWER SUPPLY:
- Primary coil of transformer by PTC SIEMENS C830
- 1st. secondary coil for internal electronic supply by F 3,15A
250V (F1) fuse.
- 2nd. secondary coil for lock supply by PTC SIEMENS C945
- Electronic protection against short-circuits and overloadings on
monitor cable riser.
- Electronic protection against overloadings to outdoor unit.
ADJUSTMENTS
P1 - Activation time adjustment for monitor and camera.
P2 - Volume adjustment of speech unit.
P3 - Activation time adjustment for electric lock.
N.B.: The electric door lock must operate by way of an inter-
mittent cycle so that one
operating period corresponds to 5 rest periods, thereby pre-
venting the protection
device from overheating (one period corresponds to the door
lock activation time).
Dimensions type 6680/C17 - 6680/C17/V03: 208x135x72 -
Weight: 1.4 Kgs.
Selector A-B
Removable terminal blocks
3
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