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Intelligent Building Series C-Bus DALI Gateway Installation Instructions

4.2 C-Bus Indicator:

This indicator shows the status of the C-Bus Network at this unit. If sufficient network

voltage and a valid C-Bus Clock signal are present then the “OK” signal will be displayed

(steady on). If a network is connected which has more current load than the power supplies

can support, this indicator will flash to show a marginal network voltage. If there is no C-Bus

Network Clock present this indicator will not light.

Indicator Status Meaning

On C-Bus Network operational

Flashing Insufficient power to support network

Off No C-Bus Clock present or insufficient power to support

network or C-Bus not connected (check terminations).

5.0 Wiring Instructions

C-Bus Network

CAT 5

C-Bus Patch Cord RJ5CB300PL

Surface Box

SMRJ88A5/1

Category 5 Cable

5005C305B

C-Bus

DALI Gateway

C-Bus

DALIDALI

Mains

DALI

Power Supply

DALI

DALI 1 Network

DALI 2 Network

Ballast

Supply

Mains

Lamp

NOTE:

• The mutual twist of solid and dotted conductors of opposing coloured conductors. This

ensures a good electrical termination, with favourable common mode noise

characteristics.

• A maximum of 64 DALI devices (max.) can be connected on a single DALI output

channel.

• A maximum of 50 DALI Gateways device can be connected on a single C-Bus Network

• A maximum torque of 1.4Nm should be applied to the mains rated screw terminals.

• Each DALI network must be interconnected with a maximum total wiring of 300m.

• The wire used should be mains rated with double insulation and a minimum 1.5mmsq

cross section.

• Rubber bungs are supplied (3 off) for unused RJ45 connectors, to stop foreign bodies

from entering the unit. Always ensure these bungs are installed when the unit is to be

mounted inside a mains rated enclosure.