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cegard/Smart
Connection cable
Connect the connection cable (white plug) on the
emitter edge and guide the cable to the control unit.
Make sure the detection area between the edges is not
interrupted by door wings, cables, etc.
Guide the connection cables using appropriate
mounting material, e.g., cable protection tubes,
neoprene cable ties or cable guide wires depending on
the type of mounting kit that is included. Connection
cord with length exceeding 2 m (6.56 ft) shall be
protected in a raceway. Improperly fixed and guided
cables can reduce cable lifetime drastically.
The cegard/Smart meets all standards for resistance to
electromagnetic interference (EMI). However, it is prudent
to guard against such interference. Therefore, do not guide
cegard/Smart connection cables close to cables carrying
high voltage and/or high current. The cegard/Smart cables
should also be mounted as far away as possible from the
door drive motor or motor inverter (VVVF-drives) to avoid
EMI problems.
NOTICE
Ensure that the cable bending radius is
greater than 80 mm (3.15 in.) when cables are
mounted.
If the cables are not properly fixed and guided,
their lifetime could be reduced drastically. They
can also be damaged due to possible swinging
and snagging in the hoistway! Always follow
the cable guide instructions carefully, which
can be found in the appropriate mounting kit
installation and operation manual.
It is very important to install cables properly
to ensure the highest possible reliability and
lifespan of the light curtain.
6.9
Installation according to Standards
To be compliant to the international standard EN 81-20
and North American standard ASME A17.1 / CSA B44, the
cegard/Smart light curtain must be installed so that the
lowest beam (bottom end) is positioned less than 25 mm
above floor (Figure 15).
16
White plug
M8, 6 pin
Lowest beam / element
Tx
Entrance plane (cabin floor)
Figure 15:
Installation height cegard/Smart light curtain
Furthermore EN 81-20 and ASME A17.1 / CSA B44 also
require a detection capability (resolution) of 50 mm starting
25 mm above floor up to a height of 1'600 mm of the door
opening.
A cegard/Smart light curtain installed so that the lowest
beam is at a level of 25 mm provides a resolution of
≤50 mm up to a height of 1'806 mm (see Chapter 7).
6.10 Electrical connection
cegard/Smart
Extension
cable
M8, 6-pin
blue
Figure 16:
Overview cegard/Smart light curtain connection
Important:
cegard/Smart light curtain edges must be connected to
a cegard/Smart control unit.
Any unconnected (not used) wire must be separated
and isolated.
The maximum cable length which shall not exceeded is
provided in Chapter 6.19.
The connection cables should not be guided close to
high voltage and/or current wires.
The connection cables should not be close to the door
motor and/or door drive.
Rx
control unit
Extension
cable
M8, 6-pin
white
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