
C-Bus™ Basic Programming 1250SM0904R10/09
C-Bus™ Products Training Course 10/2009
10 © 2009 Schneider Electric. All Rights Reserved.
Input Units
Input units are C-Bus units, which respond to a type of stimuli. There are a
number of different stimuli that an input unit will respond to, some of these
may be:
The user pressing a wall switch button.
A motion sensor detecting movement.
Ambient light conditions reaching a particular light level.
An infrared remote control sending commands to a C-Bus IR Receiver.
A time based schedule.
A dry contact opening or closing.
As a result of the input unit responding to stimulation, a C-Bus message is
generated by the input unit and transmitted onto the C-Bus network.
C-Bus input units also respond differently depending on the users
interaction with it. This is dependant on:
how the input unit is programmed
how long the user is interacting with the input unit.
An example of this is if a wall switch button is programmed as a dimmer. If
the user presses the button quickly, it will turn the load on or off. However, if
the user presses and holds down the button, it will dim the load up or down.
5500PC
C-Bus Cable
5080CTC
5086NL 5085DL
Label
Label
Label
Label
Next
5058NL
5751L
5500PS
240V
System Support Devices
Input Units
Figure 5 - Connecting C-Bus input units to a C-Bus network
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