Muting Function - Cedes cegard/Mini Mode D'emploi

Installation and Operation Manual

Muting function

If permanent blocking of a sensor element occurs,
cegard/Mini recognizes this as a defective or
blocked element. After 45 seconds, this particular
sensor element is blanked and no longer active (see
page 8, chapter 5). This function allows operation of
the device even with partial damage or blockage
due to vandalism. As soon as the blocked element is
free again it will be activated immediately.
Note: Blanking is not possible in certain
circumstances which are listed here. In the following
cases, blanking cannot be activated:
1. When the second element from the bottom is
defective (as the 'synchronization' beam, it is
essential for optical synchronization of all
others)
2. When the top or bottom element is defective
(blanking is not possible in order to comply with
the requirements of EN 81-70)
3. When there is more than one defective beam
(blanking is only possible when a single beam
is defective)
4. Blanking is not available in either the United
States or Canada
© CEDES/December 2008
Installation
The installation should be done in the following
sequence:
1. Switch main power off and mark clearly
that this elevator is out of service
For your own safety, turn the power off before you
start working on the elevator! Clearly mark that this
elevator is out of service.
2. Mount the emitter and the receiver
The emitter and the receiver edge can be mounted
either to the door wings, to the door wing and the
slam post, or to a frame that is attached to the car.
The black "eyes" in the aluminum profile are the
optical elements which is the front of the edge. This
side has to "look" at its companion piece, which is
mounted on the opposite side of the cab door or
slam post.
Please note that the receiver (the one with the blue
connector) can be sensitive to "foreign" light. No
other source of external light, including the emitter of
any other light barrier system, should be directed
towards the receiver edge. Although cegard/Mini is
very tolerant of bright sunlight, it is better to mount
the receiver edge so that no sunlight shines directly
into the receiver lens. It is similar to human eyesight:
while you may have visibility even if looking directly
into the sun, it is harder to see clearly. Therefore, it
is always better to have the sun at your back!
Please note that objects smaller than the sensor
spacing may not be detected! In the USA and
Canada or
recommended to use cegard/Mini with 32 elements.
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cegard/Mini
for dynamic installations it is
5