Introduction
1-1
Revision 2 - 20 March, 1997
HP SERIES DIMMER
OPERATING MANUAL
Some key features of the dimmer range include:
FEATURE
HP12-TR
HP12-SC
HP12-
WMTR
HP12-
WMSC
3RU rack chassis (mounting front and rear)
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Wall-mounted chassis
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Circuit breaker protection of output devices
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Factory-wired and tested three phase tail and
connector (export versions may vary)
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Front panel indication of three phase supply
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Selectable missing or failed neutral detection and
shut-down
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Temperature-controlled cooling fan
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Temperature monitor and thermal cut-out
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DMX address selection by Channel or 12 channel
Bank
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Output voltage selection on a channel-by-channel
basis
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Dimming curve selectable between “linear power”
and “switched output” on a channel-by-channel basis
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Channel level test from zero to full
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LED mimic of channel status, control and output
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Selectable lamp preheat function for extended lamp
life and to avoid circuit breaker nuisance tripping
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Preset “Snap”, “Scene” and “Chase” settings to
facilitate setup and stand-alone dimming
applications
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Conforms to C-Tick (Australian) and CE (European)
standards
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Regulation of dimmer output voltage against
variations in mains supply voltages
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Internal wiring options allow supply from three
phase star supply or three independent supplies
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Operating software updatable without removing the
lid.
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"Bulletproof" SCR pairs for extreme reliability
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Continuous DC gate firing, allowing accurate
control of "difficult" loads and loads down to 5 watts
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High risetime chokes for low acoustic lamp filament
noise and low wiring noise
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Single 80mm speed-controlled fan
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Dual 80mm speed-controlled fans
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