12
4.0
DESCRIPTION OF THE CONTROL BOARD
Caution
! Shut off the mains power
and disconnect the batteries before
servicing the inside of the unit.
The control board is powered at 230V
(AC.) in the L-N terminals and is protected
in input with a 1A mains fuse. The control
devices are low-voltage type, and pro-
tected with a 3.15mA fuse. The overall rated
power of the 24V accessories, protected
with a 1.6A fuse, must not exceed 37W.
Control and safety logic
The control unit has an amperometric
device. It allows constant checking of the
motor force, which can be adjusted through
the
Trimmer Sensibility,
see adjustments.
When an obstacle is encountered, the
amperometric device causes the following
events:
a
) the gate to stop during opening, with
subsequent automatic closing (if enabled);
b
) reversal of the movement direction if
closing.
Caution
: in case b, after the obstacle is
detected 3 times consecutively, the gate is
stopped at open position and the automatic
closing is excluded; to resume the
movement, you must press the command
pushbutton or use the remote-control.
The board has these functions:
-
opening-closure command
, button
connected to G-Ps or by radio-control, gate
opening and closing, see dip switches 2
and 3 (function selections);
-
partial opening command
, pushbutton
connected to G-Pp, opening for pedestrian
passage, see adjustments;
-
total stop,
pushbutton connected to the
ST-G terminals, gate stop with exclusion of
the automatic closing cycle;
-
“maintained action”
function, see dip
switch 6 (function selections);
-
pre-flashing,
see dip switch 4 (function
selections);
-
automatic closing,
see dip switch 1
(function selections) and adjustments;
-
obstacle detection
, see dip switch 5
(function selections);
-
photoelectric cells check test
, see dip
switch 10 (function selections).
The photoelectric cells may be pre-set to:
-
re-open
during closure, see dip switch 7
(function selections);
-
partial stop
, see dip switch 8 (function
selections).
The board includes trimmers for adjusting:
- partial opening;
- automatic closing time;
- amperometric sensitivity.
