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C-Bus™ Basic Programming 1250SM0904R10/09

C-Bus™ Products Training Course 10/2009

C-Bus Power Supply

A C-Bus Power Supply is a unit that provides C-Bus voltage to the C-Bus

network. C-Bus Power Supplies are available in two styles:

 standalone

 onboard.

Standalone C-Bus Power Supplies are independent C-Bus units, whose

sole purpose is to provide power to the C-Bus network.

Onboard power supplies are inbuilt into some C-Bus units, such as dimmers

and relays. Onboard power supplies provide C-Bus power to the C-Bus

network as well as the unit that it is inside of.

All C-Bus power supplies provide 36 VDC to the C-Bus network. All C-Bus

units are capable of operating between 15 and 36 VDC. If the C-Bus voltage

is at the lower end of the scale, some C-Bus units may behave

unexpectedly.

NOTE: It is strongly recommended that all points along the C-Bus network,

maintain a C-Bus voltage which is no more than 10 VDC less than the

maximum C-Bus voltage on the network (normally found at the distribution

board) and not less than 22VDC. This will ensure a stable and robust C-Bus

network.

The table below lists the different C-Bus power supplies and the amount of

current that they provide to the

C-Bus network.

Type Of C-Bus Power Supply Output Current

DIN rail stand alone 350 mA

DIN rail onboard 200 mA

Pro Series Dimmer onboard 60 mA

Matrix Switcher 330 mA

Table 1 - C-Bus power supply output currents

PC Interface

A PC Interface is a C-Bus unit that allows you to:

 program C-Bus units using a PC

 control and monitor C-Bus units from a PC

 integrate to third party systems.

It also has the ability to provide a C-Bus network with a:

 C-Bus Clock

 software Selectable network burden.

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Clipsal C-Bus Bedienerhandbuch Seite 14