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Sematic Drive System
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tively) the main lift controller can detect the release of the floor call or open door push but-
tons without inserting the Ka and Kc signals respectively; the door controller will wait for a
new control signal.
Important!
Other systems that interface with the Car Door Operator reversing functions
(e.g. optical barriers/photocells etc.) which are operated by the main lift controller and
which may be affected by smoke or heat should be deactivated by the main lift control-
ler itself.
6.10 Double TB
This function allows the Door Controller to store
two
different door opening
widths (TB), for different floors and on the same side, envisaged in the same
installation and operated by the same car door drive.
A magnetic switch, mounted on the Door Operator by Sematic, is connected to
the 15-41 connectors and is operated by magnets mounted only on the landing
doors with different door opening widths (TB)(the smaller) by means of a spe-
cial support plate (see drawing). This signal allows the Door Controller to distin-
guish floors with different opening width.
•
Complete a self-learning cycle (see § 8.3)
•
Take the car to a floor with the different TB: upon receiving the Ka signal (given
by the main lift controller or manually by the installer) the Door Controller will auto-
matically carry out a second self learning cycle if the magnets on the landing doors
with different TB are correctly positioned.
Important Note:
the double TB option is the only operation in which the door control-
ler can carry out a self-learning cycle automatically (as a matter of fact it takes place
anyhow when a manual self-learning cycle is activated). It is very important that the
installer be present during the second automatic self-learning cycle to check that it is
completed correctly
6.11 E.O.D. (Emergency Opening Device) and timeout
In an emergency situation such as a main power supply failure, it may be beneficial that
when the car is aligned with landing doors (inside the lock release zone) they open auto-
matically, remain open for a set time, and then close, all with normal opening/closing speed
profiles. According to this requirement Sematic offers to its Customers as an extra option
the Sematic E.O.D. (Emergency Opening Device).
When the Sematic Drive System
©
controller is powered by battery, the
KEOD input allows a signal to open the doors at the proper time, when
the car is brought to a designated escape floor. After a set timeout the
battery power is then disconnected, in order to save battery life.
A magnetic switch (option), mounted on the Door Operator by Sematic,
is connected to the 15-40 connectors and is operated by magnets
(option) mounted on the designed emergency landing door by means
of a special support plate (see drawing). This signal allows the door
controller to open the doors.
6.12 Protective Device Logic Kn
This parameter sets the logic on the protective device input Kn (Photocells, optical bar-
rier...); its default value (0) means that the contact is open in normal condition and it is
closed to signal the presence of an obstacle; the alternative value (1) reverses the logic,
i.e. the contact is closed in normal conditions and it opens to signal the presence of an
obstacle.
WARNING:
if the selected logic is Kn normally closed (contact opens to signal the presen-
ce of an obstacle) and is used only one protective device input (
15-23
terminals for photo-