Power Supply And Control Unit - Farfisa Si 5050 Technical Manual

POWER SUPPLY AND CONTROL UNIT

1281. STABILIZED POWER SUPPLY WITH
SWITCHING REGULATOR.
Connected to the timer art.1382, allows to
drive at low voltage a monitor (or 2 in parallel
in FLAT type), a camera unit with a solid state
sensor (CCD), electric door lock, name plate
lights, etc.
Technical data
Input voltage 127 or 230Vac
Frequency 50/60Hz
Power 48VA
Operating temperature 0°÷+50°C
Maximum permissible humidity 90%RH
Housing DIN 8 modules A
Weight 0.95Kg.
Terminals
A Output voltage 13Vac for:
-name plate light, exchangers and climatized
camera (continuous service 0.6A)
-electric door lock and bells (intermittent
service 1A)
-
Ground
+ Continuous output 21Vdc-1A (timed opera-
tion)
I Logic command input from timing
0 = activated
+5Vdc = non activated
Note
- The power supply is not provided with fuses,
but all of its outputs are protected against
overloading and short circuiting by tempera-
ture sensors. To reset the power supply, pow-
er must be cut off for about one minute and
can be restored after having eliminated the
defect.
- The power supply must be installed in a dry
place and can be fixed on DIN bar or on a wall
by using the expansion plugs.
- The connection between power supply 1281
and timer 1382 is not to be longer than 25cm.
1382. AUDIO-VIDEO TIMER.
Connected to the stabilized power supply
art.1281, it allows a video-intercom system to
be timed (50 seconds).
It also allows time to be increased during a
conversation (3 minutes), automatic power
OFF at the end of the conversation; switching
ON of one monitor at a time. By adding the
intercommunicating module art.1443 on the
proper connector, an intercommunicating
operation with privacy towards the external
speaker is obtained.
Technical data
Turn ON time: -50 sec. with handset replaced
-3 min. with handset lifted
Operating temperature 0°÷+50°C
Maximum permissible humidity 90%RH
Housing DIN 6 modules A
Terminals
I Logic command output of timing 0/5Vdc
+
Positive voltage input 18÷28Vdc-2A
-
Ground
A Alternating voltage input-output 13Vac-1.6A
D Alternating voltage output for the common of
pushbutton 13Vac-0.5A (intermittent service)
H Timed positive voltage output for the camera
unit 18÷28Vdc-0.5A max.
F Ground
1 Transmitter audio channel input 4.5Vdc-10mA
2 Receiver audio channel input 2Vdc-16mA
3 Positive voltage output 8Vdc-0.1A
S Electronic door lock release 1A
4 Control switching ON input from the monitors
5.5Vdc-90mA
9 Door lock release command 50mA
11 Audio ground
12 Transmitter audio channel output 4.5Vdc-
10mA
13 Receiver audio channel output 2Vdc-16mA
14 Timed positive voltage output for the monitors
18÷28Vdc-1.5A max.
23
(GB- '99)
PRS210. TRANSFORMER.
It is used to power the amplified external
units MD100, MD200, RP100 and RP200,
additional door locks, name plate lights,
etc.
Technical data
Input voltage: 127V or 230Vac
Power: 15VA
Output voltage: 13Vac
Maximum current with direct use: 0.7A
Maximum current with intermitten: 1A
Housing: DIN 3 modules A
Weight: 0.42Kg
Approved: VDE
Operating temperature: 0° ÷ +50°C
Maximum permissible humidity: 90% RH
1443. Intercommunicating module.
Added inside the timer art.1382, it allows for
the intercommunicating function with privacy
towards the external speaker.