
Switch/shutter actuator 8/4gang 16A RMD
75318003
Switch/shutter actuator 16/8gang 16A
RMD
75310002
Technical
Documentation
© Berker GmbH & Co KG 2007
Version: 04.04.2007
Part 5
(Subject to prior change)
75310002.doc
Seite: 75 / 174
Determining and configuring the slat moving time (only with slatted blinds)
If blinds are used, the slats can be positioned independently. To enable the switching/shutter actuator to
compute slat positions and to report them back to the bus, it is necessary that the actuator gets precise
information about the time required for a slat rotation. The slat moving time must in each case be
determined 'manually' and entered into the parameters.
The switching/shutter actuator is designed for controlling single-motor shutter drives without working
position. In this drive mode, the slats are directly adjusted by way of mechanical linkage when the height of
the blind is changed. The actuator assumes that the slats are completely closed when the blind moves
downwards. The actuator assumes that the slats are completely closed when the blind moves downwards
(cf. Fig. 24). These blinds are the most common type on the market.
moving direction of blind:
DOWN
moving direction of blind:
UP
insolation
insolation
slats completely closed (100%) -
max. shading
slats completey open (0%) -
direct insolation
Sun
Sun
100%
0%
50%
Fig. 24: type 1 - slatted blinds with oblique slat position in both travel directions
There are also single-motor blind systems without working position the slats of which are horizontal during
an upward travel and oblique during a downward travel. such blind types can also be connected to the
actuator in which case a completely open slat position corresponds to the slats in horizontal position (cf. Fig.
25).
100%
50%
0%
Sun
Sun
insolation
insolation
moving direction of blind:
DOWN
moving direction of blind:
UP
slats completely closed (100%) -
max. shading
slats completey open (0%) -
direct insolation
Fig. 25: Type 2 - slatted blinds with oblique and horizontal slat position