MEDEA Programming Manual
9
First entry
Activation of the detector triggers the "Entry Time 1" delay times of the sectors
associated with the detector. During this time, the activations of the "Path" specialised
detectors that have at least one sector in common are ignored. When the delay time
has expired, the alarm is triggered.
First entry
–
Last exit
Combine the “First entry” and “Last exit” behaviours to enable the use of the same
access door for both exit and entry.
Protocol
Set of rules that govern the exchange or the transmission of data among devices.
PSTN
Public Switched Telephone Network indicates the telephone land line.
Sector
Grouping of inputs, outputs, user codes, keys, remote controls and keypads
associated with a space to be controlled.
Tamper
Micro contact for protection/signalling of a device against opening and/or removal.
TC
Trigger Control, is a signal (voltage) of control that can inhibit the functioning of a
sensor or of a signalling device, for example, by putting it in stand-by.
Entry delay
The time that the user has available from the moment he opens the delayed input to
the moment in which the alarm is generated to disarm the respective sector(s). It can
be programmed for each individual input. There are three possible delays for each
sector: Entry Delay 1, Entry Delay 2, Entry Delay 3.
Entry Delay 1 is also the delay time from inputs with a Way characteristic triggered by
a First Entry input.
Exit delay
The time that the user has available from the moment he activates the sector/s to exit
the protected area and prevent the generation of an intrusion alarm. There is only one
exit delay per sector.
Output
Point (terminal) for the physical connection of a device that enables the intrusion alarm
system to act in the external environment, e.g. by signalling an alarm (with a siren),
communicating a system status (with a warning light or an acoustic warning device),
or activating electrical apparatus.
