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2015/04/19

DMX512 Overview


DMX Controller
iControl Electronics Co., Ltd
www.icontrol.com.vn

• One-way communication (RDM added feedback)

• Originally developed by the US Institute of Theater Technology and released in 1988 for theatrical applications – specifically RGB light sources

• Standardized as ANSI E1.11-2008 “DMX512-A - Asynchronous Serial Digital Data Transmission Standard for Controlling Lighting Equipment and Accessories”

• Requires two low-voltage differential wires which carry a high speed signal, daisy-chained across one or more devices

• Easy to assign individual control devices to one or many light sources without added wiring.

• Available in wireless implementations as well (WDMX)

DALI Overview

• Two-way communication
• Originally developed in 1990’s as part of IEC 60929 for linear fluorescent systems
– Recently removed, expanded and turned into IEC 62386
• Requires two low-voltage differential wires which carry a low-speed signal, daisy chained across one or more devices
• Easy to assign individual control devices (dimmers, sensors) to one or many light sources without added wiring

DALI Dimming LED Driver
iControl Electronics Co., Ltd
www.icontrol.com.vn