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C-Bus™ Basic Programming 1250SM0904R10/09
C-Bus™ Products Training Course 10/2009
118 © 2009 Schneider Electric. All Rights Reserved.
Figure 102 - The Timing parameters on the Global tab
All mechanical switches bounce, when they close. The Debounce
parameter specifies a time period (48 ms by default) where all of the
mechanical bounce is ignored unit there is stable contact.
Time
OFF
Mechanical Switch Level
ON
48ms
Debounce
Ignored
Figure 103 - Debounce ignoring the mechanical bounce of a switch
All C-Bus input units respond differently depending on how the user
interacts with it. One of these interactions is how long the button of a C-Bus
wall switch is pressed. If a button has a dimmer function:
a quick press of the button will toggle the group address ON and OFF
a longer press (by holding down the button) will ramp the group address
Up and Down.
The Long Press parameter allows us to specify the difference between short
press of the button, and a long press of the button (giving different
functionality).
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