DALI Off Fade time.

Discussion in 'General Discussion' started by Michael_12345, Aug 2, 2019.

  1. Michael_12345

    Michael_12345

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    I am having trouble with the DALI fade rate only when lights are turning off.

    Having the Dali ballast set to an 8 second fade and having the box in the Dali gateway unticked for match ramp rates, I assume this means that any on/off command issues will ramp the lights up/down.

    This works fine for the ON, as in it ramps up nicely, but any way I trigger an OFF, the light is instantly turned off with no fade. I know the ballast will ramp fine as even taking it to a level of 1% it will ramp fine.

    I would ordinarily just use c-bus to ramp on/off but in this case I can’t achieve what I’m after with that and need a ramp off with a c-bus off command.
     
    Michael_12345, Aug 2, 2019
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  2. Michael_12345

    Graham Lamb

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    Hi
    you need to turn match ramp rates Off, Status correction off and disable cbus mapping.
    Then after you have made these changes in dali programming set Dali ramp rate to 4 seconds and ramp time to 4 seconds.
    That should work ok
     
    Graham Lamb, Aug 12, 2019 at 7:42 AM
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  3. Michael_12345

    Michael_12345

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    Thanks for your reply,

    Still no luck, those settings in the gateway is what I have previously tried and always have if I am to control fading at the ballast level. I did another test with your recommendation as the fade rate of 4 seconds/ 63.3 steps, as I usually have the rate at 11.2 steps/ 22.7 seconds. However again I still have the same problem, which is an OFF command from C-Bus still instantly turns the light off with no fade, only the ON will trigger a ramping effect.
     
    Michael_12345, Aug 13, 2019 at 2:01 AM
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