User guide

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8
Overview
The AL4002 is a 68 pin PLCC device. It provides all the control
features required for a medium specification three phase digital
dimmer.
Both analogue and DMX512 inputs are supported.
Key features:
• 12 Phase position modulated outputs
• Automatic mains frequency and phase tracking
• Four dimmer curves
• Preheat
• Consecutive or alternate phase outputs
• Good data indication
• Fan speed control
• DMX base address is set by external thumbwheel inputs
• Individual channel test at 50% & 100%
T H E A L 4 0 0 2 T H R E E P H A S E D I M M E R