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PPA TRIFLEX CONNECT FULL RANGE DUPLA Technical Manual página 25

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Caution: Whenever the state of this DIP Switch is changed, from FC to RC
or vice versa, the previous described procedure, 'ERASING ALL ADDED RF
TRANSMITTERS' must be repeated.
10 – ANTI-CRUSH SYSTEM
The anti-crush feature detects the presence of obstacles on the gate travel
(path). During a normal operation cycle, if an obstacle is detected, the system
will do as follows:
a) When closing: the gate is activated on the opening direction.
b) When opening: The motor is turned off and it waits to receive a com-
mand to start closing.
On the acquiring (self-learning) cycle, the anti-crush feature only has the func-
tion of recognizing the opening and closing limit switches, i.e., the point in the
travel where an obstacle has been detected will be considered a limit switch.
This anti-crush system is not enough to avoid accidents with people
and pets; therefore, using photocells on the operators is mandatory.
11 – ENCODER OPERATION TEST
It is possible to test the automators' encoders. In order to do so, just connect them to
the control unit and check if the 'ECA1' and 'ECB1' or the 'ECA2' and 'ECB2' LEDs flash
whenever the automator is operating. Each LED corresponds to a sensor; for example,
the 'ECA1' LED corresponds to the sensor 'A' inside the gearmotor 1.
NOTE: For the product to function properly, if it is necessary to splice
the encoder cable, we strongly recommend using a four-wire cable, each
wire being at least 1 mm. The passage of the encoder cable in the conduit
must be separate from the motor cable, to avoid interference.
12 – EVENT / FAULT INDICATORS
12.1 – MICROCONTROLLER OPERATION INDICATION
The main function of the 'SN' LED is to indicate that the board microcontroller
is properly working; it flashes with a fixed frequency (~1Hz), since it is connect-
ed to a power supply.
12.2 – MOTOR OVERCURRENT OR SHORT-CIRCUIT INDICATION
The 'SN' LED rapidly flashes in order to warn that the power amplifier has
disarmed due to overcurrent or short-circuit on the motor. The control unit
can operate normally 10 seconds after the Overcurrent.
WARNING
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