Re: TW523 transmit problem

[nobody@xxxxxxxxxxxx (Dave Houston)]

The PL513/TW523 manual (referenced earlier) suggests no more than a 50 µsec
delay between the ZC reference and output pulse.

The receiver "acceptance window" is from 250 to 900 µsecs after ZC.

What µController are you using?

"Bob" <bobnospam1@xxxxxxxxxxxx> wrote:

>Thanks Dave.
>
>Actually, I made up an oscilloscope adapter to look at the signal. Level
>wise, it looks fine. I'm thinking that my problem related to the zero-level
>crossing timing. I fiddled with the wires from the controller to the TW523,
>reset my system a few times, and got it working marginally. It looks to me
>like my signal is going out a ways away from the zero crossing. My
>controller sends out the signal based on an interrupt from the zero crossing
>signal from the TW523, and maybe the delay is too long. I've got more
>testing to do at this point.
>
>Bob
>
>"Dave Houston" <nobody@xxxxxxxxxxxx> wrote in message
>news:4347aab7.141967088@xxxxxxxxxxxxxxxx
>> http://www.automatedoutlet.com/product.php?productid=463&cat=0&page=1
>>
>> "Bob" <bobnospam1@xxxxxxxxxxxx> wrote:
>>
>> >I cannot find any reference to the "loaner" signal meter on that site, so
>> >any additional pointers would be helpful.
>