Description Of The Safety Functions - RADEMACHER RolloTron Comfort DuoFern Translation Of The Original Operating And Assembly Manual

i

7.1 Description of the safety functions

Soft-start / Soft-stop
The RolloTron Comfort DuoFern is equipped with a Soft-
start / Soft-stop function. Gentle starting and stopping
serves to protect the belt winder mechanics and the belt.
Obstacle detection
The movement of the belt is monitored. If the roller shut-
ters hit an obstacle in the DOWN ( t
will stop moving and the belt winder is switched off.
Once the system has switched off, it is no longer
possible to directly operate the drive in the same
direction.
◆ Run the belt winder back in the opposite direction
and remove any possible obstacle.
◆ Subsequently it is possible to operate the drive in the
original direction again.
14
t ) direction, the belt
There is a risk of injury if the obstacle detection is not
working.
◆ The belt must be wound on as evenly as possible to
ensure safe and correct functioning of the obstacle
detection function.
◆ Please ensure that the belt winds as straight and evenly
as possible into the device during its subsequent cycle
after the obstacle detection system has triggered.
Overload cut-off
The RolloTron Comfort DuoFern is equipped with an
overload cut-off system.
If the drive jams in the UP ( ▲ ▲ ) cycle (for example, due to
ice), the belt winder will also switch off.
◆ Once the cause for the overload has been rectified,
the drive will be fully operational in both directions.
EN