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1250SM0904R10/09 C-Bus™ Basic Programming

10/2009 C-Bus™ Products Training Course

Fluorescent Dimming

C-Bus is able to dim fluorescent fittings using a C-Bus:

 Analogue Output

 DSI Gateway

 DALI Gateway.

The C-Bus Analogue Output is a 4 channel 0 to 10 V device. It is capable of

controlling 0-10 V electronic ballasts by sinking 8 mA and sourcing 2.5 mA.

The number of 0-10 V electronic ballasts that can be placed onto a single

analogue channel depends on the characteristics of the ballast.

NOTE: When the analogue output channel is off, the fluorescent fittings on

that channel appear to be off. However, 0-10 V electronic ballasts don’t turn

off even though the fitting appears to be off. Therefore a C-Bus relay is

required to switch the mains voltage to the electronic ballast.

A C-Bus DSI Gateway is an 8 channel device that is capable of controlling

DSI electronic ballasts. Each channel of the gateway can control up to

approximately 100 DSI electronic ballasts.

A C-Bus DALI Gateway can communicate to:

 2 DALI networks

 64 DALI ballasts on a single DALI network

 16 DALI groups on a single DALI network.

C-Bus group addresses are mapped to a DALI ballast or group to provide

control and dimming of a fluorescent light fitting.

NOTE: Clipsal Integrated Systems will not support the design,

commissioning or fault finding of a DALI network. Please contact the

manufacturer of the DALI equipment for further information.

Figure 13 - C-Bus DSI and DALI Gateways

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Clipsal C-Bus Bedienerhandbuch Seite 27