Pedestrian Barrier High Door MPH 112
Configuration of pedestrian barrier
70
5817,5005EN / Version 01
10.4 Unauthorised access attempts
10.4.1 Attempted unauthorised following (tailgating)
When an unauthorised person (without a ticket) attempts to follow
an authorised person (known as "tailgating"), an alarm is triggered
at relay output 2 and the buzzer sounds an alarm (rapid tone
interval).
Detection of a second person is controlled by a timer setting. It is
therefore possible that items of luggage are assumed to be a
following person and trigger a false alarm.
10.4.2 Unauthorised access in the blocked direction
If a person tries to enter the lane from the blocked direction, an
alarm is triggered at relay output 3 and the buzzer sounds an alarm
(slow tone interval). The alarm is cancelled after a delay time if the
person steps back out of the pedestrian barrier lane.
If the glass wings are already open, they will try to close. Opening
pulses that are already stored are retained, but will only be
processed again after the unauthorised person has stepped back
out of the pedestrian barrier lane.
10.4.3 Unauthorised presence of a person
If a person has entered the pedestrian barrier from the permitted
side, but has not triggered an opening signal within 5 seconds (e.g.
at a card reader), then an alarm is triggered at relay output 3 and
the buzzer sounds an alarm (slow tone interval).
The alarm is cancelled after a delay time if the person steps back
out of the pedestrian barrier lane, or if an opening pulse is
generated.
