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I know Siemens, we use Siemens PLC's in most of industries in our country. They're excellent.
The problem is that when I connect it to +15v , there is an error saying Gnd and + interconnected.
Thanks a lot for checking the circuit and for helping.
I think datasheet is wrong in here!
Pin 16 is VSS, and VSS means the Ground (-) , I can not connect it directly to +15v !
My Project is controlling AC power by varying phase angle (Firing angle or delay angle) of the thyristor.
I started to read a lot about it.
Finally I decided to use this circuit:
Does it seems so complex? I found it in TCA785 datasheet.
If you google you will find the simulation videos on...
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