Blizzard-lighting EM-Pulse LED Strobe Fixture Manual do Utilizador descarregar pdf (Página 7)

Page 7

3. SETUP

Fuse Replacement

CAUTION! The EM-Pulse™ utilizes a high-output switch-mode power

supply with an internal fuse. Under normal operating conditions, the

fuse should not require replacement. The fuse is eld replaceable,

however it is an advanced procedure suited to qualied individuals.

Should your EM-Pulse™ fuse require replacement, please contact

Blizzard Lighting for instructions, or to return your unit for service.

Connecting A Bunch of EM-Pulse™ Fixtures

You will need a serial data link to run light shows using a DMX-512

controller or to run shows on two or more xtures set to sync in

master/slave operating mode. The combined number of channels

required by all the xtures on a serial data link determines the number

of xtures the data link can support.

Fixtures on a serial data link must be daisy chained in one single line.

Also, connecting more than 32 xtures on one serial data link without

the use of a DMX optically-isolated splitter may result in deterioration of

the digital DMX signal. The maximum recommended cable-run distance

is 500 meters (1640 ft). The maximum recommended number of

xtures on a serial data link is 32 xtures.

Data/DMX Cabling

To link xtures together you’ll need data cables. You should use data-

grade cables that can carry a high quality signal and are less prone to

electromagnetic interference.

applications. Standard microphone cables will “probably” be OK, but

note that they cannot transmit DMX data as reliably over long distances.

In any event, the cable should have the following characteristics:

2-conductor twisted pair plus a shield

Maximum capacitance between conductors – 30 pF/ft.

Maximum capacitance between conductor & shield – 55 pF/ft.

Maximum resistance of 20 ohms / 1000 ft.

Nominal impedance 100 – 140 ohms

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Blizzard-lighting EM-Pulse LED Strobe Fixture Manual do Utilizador Página 7