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Topic:
Ocelot Programming Question
This thread has 3 replies. Displaying all posts.
Post 1 made on Tuesday July 10, 2001 at 22:40
cowsr4eating
Historic Forum Post
I just purchased an Ocelot, but it will not arrive for several weeks. I started writting my program for it, and have run into my first question.

I have an X-10 2-way lamp module (LM14A) that I use to control gate lights about 250ft from the house. The builder did not put in a switch, so I use X10 (In a weatherproof box) to turn the lights on/off, and the 2-way switch has provided excelent reliabiliy as they always turn on/off.

This module has the soft start and resume fade feature. With Active home, I set a macro to turn on the module as 20% at dusk, then 30 minutes later I set it to 50% and then 80% at 1 hr after dusk.

I understand how to use the Ocelot timers to determine 1800 and 3600 seconds, but with the resume fade feature, how can I have this module start up at 20% when the initial startup dim level is unknown?

It looks like with a typical X-10 brand light switch I would turn the device on and then issue the appropriate number of dims to reach the desired brightness. The PSC switches support preset dim, but the 2-way X10 lamp module is a totally different beast. When I turn it on, it will default to the last dim level, which is unknown to the program. How can I specify 20%, 50%, etc with this module?

Does anyone have one of these that they control with an Ocelot? Any tips would be appreciated.
OP | Post 2 made on Wednesday July 11, 2001 at 21:13
Matt
Historic Forum Post
I'd email ADI systems themselves...
OP | Post 3 made on Thursday July 12, 2001 at 00:47
Dan Boone
Historic Forum Post
There are two approaches, pick the one that works for you.

1) Just prior to turning the lamp OFF, take it back to 20%. When you turn it ON the next day, it will come on at 20%.

2) Turn the lamp ON, then two sets of 16 dims to absolutely guarantee that the lamp is at 0% brightness.
Then issue a bright command with the desired repeat value to take you to 20%. 30 minutes later issue additional bright commands to take it to 50%. Finally, after an additional 30 minutes, issue the last bright commands to take you to 80%.

In all cases, make sure you use the Dim/Bright command with the correct repeat value.

In example two, your code would look something like this:

IF Time of Day = Sunset
Then Transmit X10 A/1 (select your H/K code)
Then Transmit X10 A/Dim, repeat 16 times
Then Transmit X10 A/Dim, repeat 16 times
Then Transmit X10 A/Bright, repeat 7 times
If Time of Day = Sunset + 30 minutes
Then Transmit X10 A/Bright, repeat 9 times
If Time of Day = Sunset + 60 minutes
Then Transmit X10 A/Bright, repeat 9 times

Dan Boone, ADI


OP | Post 4 made on Thursday July 12, 2001 at 14:22
cowsr4eating
Historic Forum Post
Dan, thanks. I'll play with it once it gets in. I was hoping there was a cleaner way, but I'll make it work.


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