Prg Controlling VARI-LITE Equipment Using DMX 512 Manuel d'utilisateur Page 28

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DMX512 REFERENCE GUIDE
20 02.3004.0300.54
Configuring Equipment For Delta or Wye Operation
WARNING: Voltage high enough to injure or kill persons exists in the Series 200 ACS rack when
power is applied. Verify that power has been removed from ACS rack before reconfiguring bus bars or
performing other internal work.
Determine requirements for either delta or wye load.
While operation as a delta load is typical in the U.S., most European countries require the system
to be configured as a wye load. For example, if the house service is a wye-connected source and
the phase-to-neutral voltage is 220, the system must be configured as a wye load.
Also note that if line voltage is 120 phase-to-neutral, the system must be configured as a delta load.
If line voltage is 220 phase-to-neutral, the system must be configured as a wye load.
In the Series 200 ACS rack, the system is configured by moving three bus bars. The mini-ACS rack
and Series 300 Modular Rack SixPack chassis use a switch. The SixPack chassis has a switch lock that
must be removed before the switch can be moved from one position to the other. This prevents
accidental switching.
Figure 1-6: Setting Delta/Wye Configuration in Series 200 and Series 300 Equipment
Type
VAC
Phase to
Neutral
VAC
Phase to
Phase
Delta/Wye
Jumper
Position
Voltage
to
Modules
Wye 100-130 175 - 225 Delta 175 - 225
Wye 180 - 240 310 - 415 Wye 180 - 240
Delta - 180 - 240 Delta 180 - 240
Single Phase 180 - 240 - Wye 180 - 240
Delta
Wye
Mini-ACS Rack
SixPack Chassis
Delta / Wye Switch
ACS Rack
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