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5502DAL C-Bus DALI Gateway Installation Instructions

1.0 Product Range

5502DAL C-Bus DALI Gateway

2.0 Description

The 5502DAL C-Bus DALI Gateway unit is a C-Bus system support device,

designed to provide an isolated communications path between a C-Bus network

and two DALI networks. For ease of installation the unit is DIN rail mounted,

measuring 4m wide (1m = 17.5 +0.5/-0.0mm).

3.0 Features

The DALI Gateway provides two C-Bus connections through the use of RJ45

connectors, allowing similar units to be quickly looped together. In normal operation,

the unit draws 32mA from the C-Bus network. The DALI Gateway is capable of

generating C-Bus clock signals. Each DALI network can have up to 64 addressable

DALI devices, such as ﬂuorescent ballasts and low voltage transformers. The DALI

Gateway does not have its own DALI addresses. It is transparent and is not “visible”

to other DALI devices.

The DALI Gateway provides two-way communication. Selected C-Bus messages

are routed to an appropriate DALI network, and DALI lighting messages are routed

to the C-Bus network. The DALI Gateway constantly monitors both DALI networks.

It is capable of detecting and reporting C-Bus faulty lamps in ﬂuorescent ballasts or

failed DALI units. DALI networks are insulated from C-Bus and from each other by

optocouplers. The insulation is capable of withstanding mains voltage.

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