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Farfisa ST 720 Technical Manual page 162

Electronic call systems

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Si 46MO/6
VIDEO INTERCOM SYSTEM WITH SECONDARY VIDEO STATIONS AND 1 MAIN COMMON STATION ONLY AUDIO (multiple entrance)
Q.ty
Article
...
ST7100W+WB7100
...
ST720W+WB700
...
DV2D-4D
1+X
1281
1+X
1282E
X
1273TV
1+X
PA **
1+X
SE **
Mody series external door station (for the composition see pages 96÷99)
1 row
2 row
...
MD71÷74
MD71÷74
1+X
MD10-11-12
MD10-122-124 Modules for electric door speaker
...
MD21 ÷ 24
MD222 ÷ 228
...
MD20 - 50
MD20 - 50
1+X
MD82 ÷ 812
MD82 ÷ 812
1+X
MD92 ÷ 912*
MD92 ÷ 912*
1+X
MD30
MD30
X
MD41D (
1
)
MD41D (
Matrix series external door station (for the composition see pages 102÷103)
...
MA71-72-73
...
MA61-62-63
...
MA20-22-24
1
MA10P-11P-12P
X
MA42-43
X
CV01
...
MA91-92-93*
Profilo series external door station (for the composition see pages 106÷107)
...
PL71-72-73
...
PL20÷24
1
MA10P-11P-12P
X
PL40P÷42P
X
CV01
... Refers to number of users.
X Refers to number of secondary door stations.
* The rain shelter is used in the place of the back box and hood cover.
** Articles not supplied by ACI Farfisa.
(
1
) For other types of cameras see page 108.
Working instructions. See page 115.
Notes
- For the connection of name plate lamps read notes 6, 7 and 8 of the installation
instructions on page 111.
- Connect the video intercom terminal 4 (wire shown with dotted line) if the control switch
on from the secondary door station is required.
- To install a colour system, the ST7100CW video intercoms and the MD41C, MA42C,
MA43C, PL40PC, PL41PC or PL42PC camera must be used.
- For wires dimensioning and video connection refer to the installation instructions and
table on pages 111 and 114.
- Telephones can be used instead of intercoms (see "telecommunication" section).
- For other types of push-button panels see the general catalogue.
Connection of two door locks, of which the secondary is
always activable, in a system with multiple entrance
For this option it is necessary to install a diode (100V-1A; type
1N4007) between terminals 7 (cathode) and 7a (anode) of every
secondary exchanger.
Description
Studio series monitor + bracket
Studio series intercom + bracket
Video distributor
Power supply
Timer
Exchanger
Door release button (optional)
Electric door lock (12Vac-1A)
Back boxes and module frames
Button modules
Blank and info modules
Hood covers
Rain shelters and module frames
Electric door speaker (amplifier)
1
)
Camera
Back boxes and module frames
Front frames
Blank and button modules
Modules with audio amplifier
Cameras with integrated audio amplifier
Video signal converter
Rain shelters and module frames
Back boxes and module frames
Blank and button modules
Modules with audio amplifier
Cameras with integrated audio amplifier
Video signal converter
7a
160
(MT11 - Gb2006)
Connection of 1281E power supply-timer in-
stead of 1281 plus 1282E
Power supply-timer of the secondary entrance
A
3+
S
Power supply-timer of the main entrance
230V
127V
0
By adding 1281E to the schematic on page 161
instead of 1281 plus 1282E, the system working will
modify as follows:
- switching-OFF at the end of the timing only
The main entrance push-button panel must
have separate common terminals. One common
terminal for each secondary door station. Buttons of
the Mody series can be divided into 2-button groups.
Common terminals of Matrix and Profilo push but-
tons cannot be separated.
Mody series button module
Control switching ON deactivation
To activate the control switching ON from the inter-
coms only when the system is in standby, it is neces-
sary to install a relay (type 1471 or 1472) and connect
it as shown on the diagram.
7
5
7
1273TV
1281E
F
4
X
H
C+
5
S
F 3+
C+
X
H
5
1281E
common of buttons 1 and
2
to separate the common of
buttons cut here
common of buttons 3 and
4
to the video in-
4
tercoms
3
F
1281E
1472
1282E
H
2
6
1273TV

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