Tag: DALI Wiring

Why DALI Must Be Wired With Double Insulated Mains Cable

Why DALI Must Be Wired With Double Insulated Mains Cable

I am often asked why the DALI communication bus (the DALI Line) must use double insulated mains wiring. Searching available documentation, it’s difficult to find hard information to answer this specific question. A long, long time ago the predecessor to the DALI Alliance published a DALI Manual which stated: “The isolation of the digital interface […]

10 Point DALI Check List – Do This First And Save Time

10 Point DALI Check List – Do This First And Save Time

So you’ve run all the Mains and the DALI bus wiring to all the DALI fitting on a DALI Line. What should your check list be before you start the commissioning process? Here is a 10 point DALI check list that will make every DALI installation faster and more reliable. Confirm that there are no […]

DALI Voltage Drop

DALI Voltage Drop

What is the allowable Voltage drop across a DALI Line? The quick answer is: The voltage drop must be less than 2 V dc. To measure: Take a reading at the DALI power supply and note it down. Take a reading at the far end of any runs on that DALI Line. This reading there […]

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