What Is DMX Merging? HTP and LTP Explained
What happens when two sources feed one universe? The difference between HTP and LTP, which channels need which, and redundancy via sACN priority.
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RGB, RGBW and RGBAW+UV Channel Structures in LED Fixtures
Why do some LED pars use 4 channels and others 12? Colour structures, what white and amber add, mode selection and channel budget.
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DMX Universes: Going Beyond 512 Channels
512 channels stop being enough quickly. What a universe is, how many you need, why bandwidth matters and how to plan universes on a large project.
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DALI Installation: Bus Power, Cabling and Commissioning
Why won’t a DALI line work? The 250 mA power budget, cable sizing and the 2 V drop rule, free topology, commissioning steps and common faults.
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Master and Slave Logic in DMX512
One controller talks, every fixture listens. What master/slave really means in DMX, why addressing is what actually matters, and the fixture menu mode that causes confusion.
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Earthing, Noise and Electrical Isolation in DMX Systems
Why does a rig that works on the bench flicker on site? Common-mode voltage, ground loops, screen bonding, dimmer noise and the role of opto-isolation.
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DALI or DMX512? Use Cases and How to Choose
DMX512 is for performance, DALI is for facilities. Differences in speed, feedback, wiring and cost, plus a table of which to choose per project.
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The History of DMX512: From 1986 to Today
Why DMX512 appeared in 1986, how it became ANSI E1.11 (DMX512-A), and why RDM, Art-Net and sACN extended it instead of replacing it.
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DALI-2 and D4i: Certification, Multi-Master and Luminaire Data
DALI-2 brought control devices into the standard with mandatory certification. D4i adds energy, asset and diagnostic data read straight from the luminaire.
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Dimmer Curves: Linear, Square Law and S-Curve Compared
Why doesn’t a fader at half look half as bright? Eye response, the square law curve, LED versus tungsten, and the double-curve trap.
