<html><head></head><body>Is there an option to use the pid to switch one SSR (say the 110v one) and then switch the 220v from the 110v output with a conventional relay (or step back down to 20v and use the SSR).<br><br><div class="gmail_quote">On 2 October 2020 05:11:53 BST, lee@automate-it.com wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail">Ok sorry, yes, I should have included the power details:<br><br> - The PID (Inkbird ITC-106VH) provides 12 VDC, up to 30mA to the SSR.<br> - The SSRs (Inkbird SSR-40 DA) activate at 3 VDC (specs are 3-32 VDC)<br><br>Lee<br><br><br>On 2020-10-01 18:16, John Innis wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;">We need a little more info. What is your PID output rated at (volts,<br>amps). What are your SSR input requirements (volts amps). Are you<br>doing true proportional or a bang/bang approximation?<br><br>On Thu, Oct 1, 2020 at 6:10 PM <lee@automate-it.com> wrote:<br><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #ad7fa8; padding-left: 1ex;">I want to operate two solid-state relays simultaneously (one for a<br>110V circuit, the other for 220V) from a single PID. I had thought I<br>would just wire them in parallel from the PID, but a bit of poking<br>around the interwebs suggests otherwise. So I sketched up this<br>drawing for two SSRs in series with a PID. Does this look correct<br>for this situation? Any suggestions appreciated!<br><br>(I'm a chemist, so I understand electron flow and related, but I<br>trust this little Shop Talk community more than I trust my<br>electrical intuition!)<br>Thanks!!!<br>Lee<br></blockquote></blockquote><hr>Shop-talk@autox.team.net<br>Donate: <a href="http://www.team.net/donate.html">http://www.team.net/donate.html</a><br>Suggested annual donation $12.96<br>Archive: <a href="http://www.team.net/pipermail/shop-talk">http://www.team.net/pipermail/shop-talk</a> <a href="http://autox.team.net/archive">http://autox.team.net/archive</a><br><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/shop-talk/neiljsherry@talktalk.net">http://autox.team.net/mailman/options/shop-talk/neiljsherry@talktalk.net</a><br><br></pre></blockquote></div><br>-- <br>Sent from my Android device with K-9 Mail. Please excuse my brevity.</body></html>