
1250SM0904R10/09 C-Bus™ Basic Programming
10/2009 C-Bus™ Products Training Course
© 2009 Schneider Electric. All Rights Reserved. 119
Time
OFF
Mechanical Switch Level
ON
48ms
Debounce
Ignored
400ms
Long Press
Time period where functions
issued by a quick Key press
Time period where
functions issued by a long
Key press
Figure 104 - Long press limit that allows additional functions
The Ramp 1 parameter specifies the time taken to ramp a light from
minimum to maximum brightness (or vice versa), using the Up Key, Down
Key or Down Cycle Key micro functions. The default value is 4 seconds.
The Ramp 2 parameter specifies the time taken to ramp a light from
minimum to maximum brightness (or vice versa), using the Ramp Off or
Ramp Recall micro functions. The default value is 12 seconds.
The Status Report parameter allows you to specify how often the multipoint
to multipoint interrogation (MMI) error checking process is carried out (3
seconds by default). This will provide an automatic detection and correction
of discrepancies between the states of C-Bus input and outputs units.
NOTE: To reduce the frequency of the MMI, the Status Report period must
be increased on each C-Bus input unit, on each application address.
Micro Functions
When a button on a C-Bus wall switch is pressed, the behaviour of the
selected group address is specified by the key function e.g. ON/OFF,
Dimmer, Timer, Bell Press, Preset etc.
Every single key function consists of 4 micro functions, which are
strategically selected to achieve the desired outcome. To view the micro
functions that make up a key function, navigate to the Key Functions tab of
the C-Bus wall switch.
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