Clipsal C-Bus Manual do Utilizador descarregar pdf (Página 12)

C-BUS NETWORK WIRING GUIDELINES

These guidelines are consistent with Best Practices and provide the best immunity

to noise.

Follow national and local electrical codes. Refer to the product’s installation •

bulletin for product-speciﬁc information on wiring, wire gauge, and so on.

In panels and enclosures, securely anchor and sleeve C-Bus network cable and •

anchor electrical power lines. This helps prevent contact between loose electrical

power conductors and the C-Bus network wiring.

Wherever possible, consolidate multiple C-Bus network Cat-5 cables outside a •

panel or enclosure so that only one C-Bus cable is brought into the enclosure.

Insulate any consolidation of multiple C-Bus network cables in panels or •

enclosures so that there are no loose wires, no exposed terminal screws, etc.

If C-Bus network cable is run in parallel with electrical power lines (outside an •

enclosure), there must be at least 6 in. (152 mm) segregation between the two

cables at all times.

If C-Bus network cable will cross an electrical power line, the crossing must be •

at a 90° angle. Also provide at least 2.5 in. (64 mm) separation between the two

cables where they cross.

Limit the current on a C-Bus network to 2 A or less.•

Limit the total length of Cat-5 cable on a single network to 3281 ft (1 km).•

MULTI-POINT SWITCHING/DIMMING/CONTROL

To control a light from two, four, or more switch locations, give the same Group •

Address to one or more buttons on each switch and the Relay or Dimmer.

To control multiple Relay or Dimmer channels from a single switch, give the •

various Relay and/or Dimmer channels the same Group Address as the switch.

OUTPUT UNIT STATUS INDICATOR ACTIVITY

For a description of the status indicators’ activity on other types of units, such as an

input unit, see the other side of this guide or the unit’s installation bulletin.

NOTE: The Unit and C-Bus indicators on output units only function when output

units are connected to 120/277 V AC.

Unit

Indicates the status of the individual unit and whether it is receiving line-level

voltage.

ON (lit): the unit is receiving line-level voltage.•

Flashing: the Local or Remote Overrides have been toggled ON or OFF.•

OFF (unlit): th• ere is no line-level voltage.

C-Bus

Indicates the status of the C-Bus network at the unit:

ON (lit): there is a C-Bus Clock and an acceptable level of C-Bus network power •

(recommended range is 22–36 V DC).

Flashing: the line voltage on the C-Bus network is marginal (15–20 V DC).•

OFF (unlit): no C-Bus System Clock or no C-Bus network power.•

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Clipsal C-Bus Manual do Utilizador Página 12