Blind actuator 1-gang flush-mounted Order-No. 2165 00 - Gira

Software "Venetian blind, input 20BD11"
Functional description
configured slat moving time into the completely open position (0 %) and then to the desired
position. The slat position is also considered as calibrated when the Venetian blind has been
moved by a long-time command in the up or down direction during at least the configured slat
moving time.
i A terminated reference movement of the Venetian blind will also calibrate the slat position.
i If the reference movement is interrupted for instance by a short-time operation, the position
is still unknown as before.
i A long-time travel into the lower end position activated via the corresponding
communication object also calibrates the reference position.
i With the sun protection function it is moreover possible to force the actuator to perform a
reference movement before each sun protection travel even if the positions are known.
Thus, it is ensured that in case of sun protection the configured sun protection position is
always precisely approached even after repeated position approaches.
i Using the connected drives frequently for position approaches (for instance several times a
day) can result after some time in positioning inaccuracies. These deviations from the
setpoint position are mostly due to external physical influences. To achieve accurate
positioning in operation it is recommended to perform the reference movement at least
once every day. This can be achieved for instance by a central raising command
transmitted to the long-time object.
Presetting the position
The following ways of presetting positions can be distinguished…
- Direct positioning via the positioning objects (direct operation),
- Positioning by activating the sun protection function,
- Positioning using the response to bus voltage return,
- Positioning by a scene recall.
Positioning via the positioning objects:
Every Venetian blind, roller shutter, awning or louver can be positioned directly via the
"Position..." object separate for each output. An independent positioning object exists for each
of the slats. The position approached is always the position last received. The device does not
show a reaction when the set or approached position value is received multiple times in
succession.
Like the operation via short time, long time or scene recall, this form of control is also
designated as 'direct operation'. Positioning via the objects therefore has the same priority.
A position approach effected by the communication objects can be interrupted at any time by a
short- or long-time or by a scene recall. Direct operation can be overridden by a function with a
higher priority, e.g. forced position, safety or also sun protection (configurable).
The position telegrams must conform to the 1-byte data format as per
KNX datapoint type 5.001 (scaling). The device converts the value received (0...255) linearly
into a position (0...100 %) (see the table 4).
Received value
(0...255)
Position derived from value
(0…100 %)
0 0 % (upper end position / slat or louver opened)
↓
↓ (all intermediate values rounded off to 1 % increments)
255 100 % lower end position / slat or louver closed)
Table 4: Data format of positioning objects with conversion into percentage position values
It is possible that new positioning telegrams are being received while a position approach is in
progress. In this case, the device immediately reverses the direction of travel, if the new position
to be approached lies in the opposite direction.
If a slat positioning command is received during a running Venetian blind position approach, the
device finishes first the Venetian blind position approach before positioning the slat. If a
Order-No. 2165 00
Page 48 of 149