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4.5 - STOP
For a better safety, you can fit a stop switch that will cause the
immediate gate stop when activated. This switch must have a
normally close contact that will get open in case of operation.
In case the stop switch is operated while the gate is open, the
automatic closing function will always be disabled. To close the
gate again, you will need a start command.
Connect the stop switch cables between terminal M3 and M4 of
the control unit.
The STOP switch function can be activated by means of a remote
control stored on channel 3 of MRx receiver
4.6 - PHOTOCELLS
The control unit considers two kinds of photocells, depending on
the terminal to which they are connected:
Photocell 1
Photocells installed on the gate inner side, which are active both
during the opening and the closing phase. When photocells 1
operate, the control unit stops the gate; as soon as the photocell
beam is free, the control unit will open the gate completely.
m
WARNING: Type 1 photocells must be installed so that
they completely cover the opening area of the gate.
Photocell 2
Photocells installed on the external gate side and which are active
during the closing phase only. When photocells 2 operate, the
control unit opens the gate immediately, without waiting for
release.
PD20 control unit supplies a 24VAC power supply to photocells
and it can perform a photocell operation test before starting the
gate opening phase. Photocell power terminals are protected by
an electronic fuse that stops current in case of overload.
• Connect power supply cables of photocells transmitter
between terminals M11 and M12 of the control unit.
• Connect power supply cables of photocells receiver between
terminals M10 and M11 of the control unit.
• Connect receiver output of photocells 1 between terminals M5
and M9 of the control unit and receiver output of photocells 2
between terminals M6 and M9 of the control unit.
Use outputs having normally closed contact.
m
ATTENZIONE:
• If several couples of same kind photocells are mounted, their
outputs must be connected in series.
• In case of reflection photocells, power supply must be
connected to terminals M11 and M12 of the control unit to
carry out the operation test.
4.7 - SAFETY RIBBONS
The control unit considers two kinds of safety ribbons, depending
on the terminal to which they are connected:
Type 1
When type 1 safety ribbons operate during the gate opening
phase, the control unit will close the doors for 3 seconds, then it
stands still; when type 1 safety ribbons operate during the gate
closing phase, the control unit will stand still immediately.
The direction of the gate at next command of START or
PEDESTRIAN START depends upon the parameter STOP (it inverts
or continues the motion).
If the input STOP is disabled, the command makes the motion
continue in the same direction.
Type 2
when type 2 safety ribbons operate during the gate opening
phase, the control unit will stand still immediately; when type 2
safety ribbons operate during the gate closing, the control unit
will open the doors for 3 seconds, then it will stand still. The
direction of the gate at next command of START or PEDESTRIAN
START depends upon the parameter STOP (it inverts or continues
the motion). If the input STOP is disabled, the command makes
the motion continue in the same direction.
Both the input can manage the classic safety edge with n.c.
contact and the conductive rubber safety edge with 8,2 kohm
nominal resistance.
Connect type 1 safety ribbons cables between terminals M7 and
M9 of the control unit.
Connect type 2 safety ribbons cables between terminals M8 and
M9 of the control unit.
In order to meet the requirements of the EN12978 rules, it is
necessary to install safety edges controlled by a control unit
continuously checking the proper working. If using control units
suited to the test by power outage, connect the power supply
cables of the control unit between terminals M11 and M12 of the
control unit.
Otherwise, connect them between terminals M10 and M11.
m
WARNING:
• Make use of safety ribbons having outputs with normally close
contact.
• Outputs of same kind safety ribbons must be connected in
series.
4.8 - EXTERNAL AERIAL
We suggest to use the external aerial (model: ANS433) in order to
guarantee the maximal range.
Connect the antenna hot pole to terminal A2 of the control unit
and the braiding to terminal A1.
m
WARNING: the versions with the aluminum cover have
a limited radio range due to the shielding of the cover. To
improve the reception is recommended the installation of
an outdoor antenna.
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