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Author Topic: LM465 w/softstart and the Pre-set Dim Cmd  (Read 33 times)

Walt2

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LM465 w/softstart and the Pre-set Dim Cmd
« on: January 15, 2019, 08:15:50 PM »

OK, I know I used to know all of this.   :angel:

I am sure that there is a post here, somewhere, but I can't seem to find it.   B:(

I am trying to re-learn the Pre-set Dim command (cmd x'31).   The data byte consists of two bits of ramp-speed and six bits of dim level.   

Does the "new" LM465, the ones that support softstart, fully support the data byte?   Does it support ramp-speeds of 3.7sec, 30sec, 1min, and 5 minutes.   And for the six bits of dim level, is x'3F = 100%, x'1F = 50%, and x'00 = 0% ?

Obviously, I am trying this, and it doesn't seem to be working as expected.   For example, a ramp-up setting of b'11 doesn't get me a 5 minute ramp-up (more like zero seconds).

Any suggestions or pointers will be greatly appreciated.
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* Sears Home Control System, Radio Shack Plug 'n Power, NuTone, Stanley LightMaker, BSR, HomeLink.
* Tecmar Device Master, CP290 (LightHouse), CM11A (AH), CM14A (AH2), CM15A (AHPro).
 

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