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Thread: New driver from RUSH for the 1x123 "E-Series" lights.

  1. #211
    Unenlightened
    Join Date
    Apr 2019
    Posts
    1

    Wink2 Re: New driver from RUSH for the 1x123 "E-Series" lights.

    Hello all,

    Sorry to revive this old thread but I do have a question regarding the HiveLD-S Driver. I only just recently got my light, and after doing some programming I decided to do some run time tests. One thing that I noticed during my first test on default output 2 is that the light automatically steps down to low after roughly 6 hours, and then proceeds to run for another 3 hours on low. Is this related to the voltage foldback setting #4? I am running Li-ion batteries and changed the Voltage foldback to Li-ion optimal before running my test. I assume that this is what is causing the light to step down, but I'm kind of a noob, so not sure. Also, is there any way to prevent the light from stepping down, provided that the thermal threshold isn't exceeded, and just allow it to run down until the battery is drained?

  2. #212
    Flashaholic rush's Avatar
    Join Date
    Mar 2008
    Location
    Germany
    Posts
    133

    Default Re: New driver from RUSH for the 1x123 "E-Series" lights.

    The voltage levels that the driver will step down the output at is set through the voltage foldback setting indeed. If you look at the voltage values in the manual, the setting Li-Ion optimal has the highest voltage level that is meant to give you a safe operation using Li-Ion batteries. It steps down the output rather early.
    You can't turn off the stepping down entirely, you can however use the setting with the lowest voltage level (2x NiMH) if you desire. This will be close to no foldback at all using Li-Ion.
    One final thought: Usually Li-Ion optimal should not step down that early. If it does, it could mean that your cell is not the freshest anymore and can't provide the necessary current long enough.

  3. #213

    Default Re: New driver from RUSH for the 1x123 "E-Series" lights.

    @Rush, I have a question about loading a preset. I read the manual twice but could not find any information about changing the preset without having to go in Setup mode, is this possible? For example my ideal configuration would be to have Preset 1 with LL-L-M-H and Preset 2 with High only for tactical purposes. Is there a way to switch between two presets without going into Setup? TIA

  4. #214
    Flashaholic rush's Avatar
    Join Date
    Mar 2008
    Location
    Germany
    Posts
    133

    Default Re: New driver from RUSH for the 1x123 "E-Series" lights.

    Hi Sebis,
    Loading presets requires that you enter setup, there is no shortcut. However with some practice, going into setup mode is rather quick and loading a preset only means a couple steps to go through.

  5. #215

    Default Re: New driver from RUSH for the 1x123 "E-Series" lights.

    It is true that the low output relies on PWM below 12mA (which equals brightness level 3 of 21), while all higher brightness levels are constant current. Brightness levels 4 and 5 can show some instability (flicker), that can be noticed when you don't move the light. For those looking for very low moonlight output or non-PWM output at low levels understandably this is not satisfying but it is something that i could not overcome with the current driver hardware, but i am looking for improvements for the next revision of the HiveLD-S.

    Hi Rush.
    The above paragraph was taken from a response you posted in March 2016 (on another thread).
    Is there any chance that you've been able to make such adjustments?
    I understand that particular compromises need be made and so on but for me the above issue has been my main one with the Hive.
    If this were fixed, it'd be excellent, I'd be looking to start saving for a Hive powered Mahi.

    Cheers
    Last edited by F89; 08-11-2019 at 01:03 AM.

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