V2 CITY6 Mode D'emploi page 33

End of Stroke Inputs
City6 control unit allows connecting mechanical ends of stroke (normally closed
contacts) which are activated by the gate motion and showing to the control
unit the position of complete opening or closing.
no End of stroke inputs are disabled.
Si End of stroke inputs are enabled.
Anti-skid
When an opening or closing operation is interrupted by a command or for the
intervention of the photocell, the set-up time for the opposite movement would
be excessive, so the control unit operates the motors only for the time
necessary to recover the actually covered journey. This could be not sufficient,
particularly in the case of very heavy gates, as because of the inertia at the
inversion moment the gate runs an extra space in the previous direction that
the control unit is not able to take into account.
If after an inversion the gate does not return exactly to the starting position, it
is possible to set an anti-skid time that is added to the time calculated by the
control unit in order to recover the inertia.
WARNING: If function ASM is disabled, the gate goes backward
until it comes to the end stops. In this phase the control unit does not
activate the slow down function before the end stops are reached and
any obstacle that comes across after the inversion is considered as an
end of stroke.
Activating the obstacle sensor
This menu allows you to regulate the sensitivity of the obstacle
sensor. When the power absorbed by the motor exceeds the level set, an alarm
goes off in the power unit.
If no is set, the function is turned off.
Dynamic regulation of the obstacle sensor threshold
activating this function, the power unit automatically adjusts the obstacle
sensor threshold to compensate the increased strain caused by aging
mechanisms or the accumulation of debris.
In any case, the threshold can be increased by a level that can exceed that set
for the SEnS parameter by a maximum of 0.5A.
Allowance on the end stroke
If installation requires the gate to seal against a mechanic end stroke bump
(either when opening or closing), then you have to set an end stroke allowance:
time in which the obstacle sensor does not cause the safety withdrawal as a
result of the bump against the stop, but allows it to conclude the cycle.
If you set a margin higher than the work times, any kind of obstacle sensor
intervention will cause the interruption of the cycle.
If you set zero, any intervention of the obstacle sensor will cause the gate to
withdraw.
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