Clipsal C-Bus Specifications download pdf (Page 4)

100

C-Bus

Product Overview

lipsal

-Bus

Overview

C-Bus

Network Design

Considerations

• Up to 1000m of C-Bus

Cat 5 UTP cable may be connected

to a single C-Bus

network

• Up to 100 C-Bus

units may be connected to a single

C-Bus

network

• Where more than 1 km and/or 100 standard C-Bus

units

are required, two or more networks can be created and linked

with C-Bus

Network Bridge and/or C-Bus

Ethernet

Interface Units

• Maximum number of networks in one installation is 255

(this limitation does not apply if a C-Bus

Ethernet Interface is

utilised, the system size is then limited to IP Addressing only)

• Maximum number of networks connected in series to the

local network via Network Bridges is seven (i.e. using six

network bridges)

• Each standard C-Bus

unit requires 18mA @ 36Vdc to operate

correctly. Some C-Bus

units, e.g. 5500PC require 32mA.

Some C-Bus

units, e.g. L5108D1A are self-powering and do

not take current from the 36V dc C-Bus

network

• More than one C-Bus

power supply can be connected to

a C-Bus

network to provide sufﬁ cient power to the C-Bus

units, the C-Bus

power supplies will share the load evenly.

Maximum total power supply allowed is 2,000mA (2A)

• Any combination of power supply units is allowed as long as

the total power available is 2,000mA or less

• Each C-Bus

network requires only one network burden. This

network burden is software selectable on C-Bus

output units

• Each C-Bus

network requires at least one system clock-

generating unit (for data synchronisation)

• C-Bus

power supply units may be connected to different phases

• Individual relay channels may be connected to different phases

• On L5508D1A and L5504D2A units the mains supply to

the units power supply and the mains supply to the output

channels must be on the same phase

• The isolation between the mains supply circuitry and the 36V

d.c. C-Bus

circuitry is greater than 3.75kV. This is achieved

using double wound transformers and opto isolators. This

means the C-Bus

wiring, connections and circuitry can be

considered extra low voltage

• C-Bus

Cat 5 UTP cable has mains rated sheathing which

means the C-Bus

cable can be taken inside electrical

Distribution Boards, provided segregation requirements of

local wiring standards are met.

Introduction

The Clipsal C-Bus

system is a microprocessor based wiring

system to control lighting and other electrical services.

Whether ON/OFF control of a lighting circuit or analogue

type control such as dimming electronic ﬂ uorescent ballasts,

C-Bus

can be to control and automate virtually any type of

electrical load.

To ensure fast and reliable operation, each device has its own in-

built microprocessor, which can be individually programmed via

‘point and click’ PC based software, or via ‘Learn Mode’ which

doesn’t require a PC.

C-Bus

information is held within individual C-Bus

units rather

than one central point. This ensures optimum communications

speed and reliability.

Whilst a computer is unnecessary for normal C-Bus

operation,

C-Bus

PC based control and management software is available

and provides additional ﬂ exibility to clients requiring this type

of control.

Clipsal C-Bus

is suitable for a wide range of applications,

for example.

Commercial Lighting Control

• Fluorescent lighting control for energy cost saving in high

rise buildings

• High-bay control in warehouses for energy cost saving

• Mood lighting in restaurants and retail outlets

• Flexible and integrated control of lighting and Audio Visual

equipment in board rooms

• Architectural lighting control for hotel foyers, ballrooms, art

galleries and museums.

Standalone Room Lighting Control

• Integrated automation via touch screen user interfaces for

conference rooms and home theatres

• Multiple scene / mood setting.

Residential Automation

• Home entertainment - Integrated audio visual, lighting control,

and other electrical services

• Security - Integrated security, lighting and other

electrical services

• Comfort – Dimming, scene setting

• Convenience – Multiple point control, central point control

from touch screens, automated time based control,

automated ‘Goodbye’ and ‘Welcome Home’ moods.

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Clipsal C-Bus Specifications Page 4

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