<html><head></head><body><div class="ydpc86504d1yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div>Thanks for all of the responses on this guys. I looked around and found these units from Solar BOS.<br><div><br><div><a target="_blank" rel="nofollow" href="http://www.solarbos.com/content/common/common.download_file.php?action_special=download_file&amp;sid=da4cc37711812e408480a476f2302fac&amp;download_file_id=1549534">http://www.solarbos.com/content/common/common.download_file.php?action_special=download_file&amp;sid=da4cc37711812e408480a476f2302fac&amp;download_file_id=1549534</a><br><div><br><div>Cheers,<br>Jerry Caldwell<br></div></div></div></div></div><div></div>
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                    On Thu May 30 2019 08:45:09 GMT-0700 (PDT), Glenn Burt &lt;glenn.burt@glbcc.com&gt; wrote:
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#yiv3314216705 </style><div><div class="yiv3314216705WordSection1"><p class="yiv3314216705MsoNormal">Hi Darryl,</p><p class="yiv3314216705MsoNormal"> &nbsp;</p><p class="yiv3314216705MsoNormal">I have been looking into the Tigo TS4-F rapid shutdown option, including attending a webinar on their products.</p><p class="yiv3314216705MsoNormal">As far as I have been told, they DO use a powerline carrier communications method to trigger the MLPE units.</p><p class="yiv3314216705MsoNormal">A trigger device has to be wired to AC to detect loss of grid, and one conductor of every PV string must go through their attached CT donut which imposes this communications onto the PV wiring, and communicating with the module level components.</p><p class="yiv3314216705MsoNormal">From their documentation:</p><p class="yiv3314216705MsoNormal"><span style="font-size:10.5pt;">TS4-F units automatically enter rapid shutdown mode when the RSS Transmitter is switched off and resume energy production when power is restored to the RSS Transmitter. This solution complies with NEC 2014 &amp; 2017 690.12 specifications utilizing&nbsp;power-line communication (PLC).</span></p><p class="yiv3314216705MsoNormal"> &nbsp;</p><p class="yiv3314216705MsoNormal">Please tell me what system you have that is wireless?</p><p class="yiv3314216705MsoNormal"> &nbsp;</p><p class="yiv3314216705MsoNormal">Thanks,</p><p class="yiv3314216705MsoNormal">Glenn </p><p class="yiv3314216705MsoNormal"> &nbsp;</p><div class="yiv3314216705yqt7088365517" id="yiv3314216705yqt55508"><p class="yiv3314216705MsoNormal"><b>From:</b> RE-wrenches &lt;re-wrenches-bounces@lists.re-wrenches.org&gt; <b>On Behalf Of </b>Darryl Thayer<br clear="none"><b>Sent:</b> Thursday, May 30, 2019 12:16 AM<br clear="none"><b>To:</b> RE-wrenches &lt;re-wrenches@lists.re-wrenches.org&gt;<br clear="none"><b>Subject:</b> Re: [RE-wrenches] rapid shutdown units for obscure inverter</p><p class="yiv3314216705MsoNormal"> &nbsp;</p><div><div><p class="yiv3314216705MsoNormal"><span style="font-size:18.0pt;">Try Tigo, they have a MLPE shutdown wireless and does not use PLC (Power Line&nbsp; Communication).&nbsp; With an unknown inverter, the inverter switching noise may trigger the Tigo's PLC to keep on or shut off.&nbsp; &nbsp;Shutting off the inverter stoping module array current, and the AC supply to the "Gateways" loss of the heartbeat signal causes the shutdown of the modules.&nbsp; &nbsp;I have used such an arrangement and it is passing every test.&nbsp; This was maybe 1 or two years ago. Tigo may have made changes since then.&nbsp; hope this&nbsp;helps.</span></p></div></div><p class="yiv3314216705MsoNormal"> &nbsp;</p><div><div><p class="yiv3314216705MsoNormal">On Wed, May 29, 2019 at 6:07 PM Rick Brown &lt;<a rel="nofollow" shape="rect" ymailto="mailto:rick@solshineenergyalternatives.com" target="_blank" href="mailto:rick@solshineenergyalternatives.com">rick@solshineenergyalternatives.com</a>&gt; wrote:</p></div><blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in;"><div><p class="yiv3314216705MsoNormal">Jerry,</p><div><p class="yiv3314216705MsoNormal"> &nbsp;</p></div><div><p class="yiv3314216705MsoNormal">Check out Midnight Solar\u2019s Rapid Shutdown Shut Off Box (SOB).&nbsp;</p></div><div><p class="yiv3314216705MsoNormal"> &nbsp;</p></div><div><p class="yiv3314216705MsoNormal" style="margin-bottom:12.0pt;"><a rel="nofollow" shape="rect" target="_blank" href="http://www.midnightsolar.com/">http://www.midnightsolar.com/</a></p><div id="yiv3314216705gmail-m_-8336075624789096906AppleMailSignature"><p class="yiv3314216705MsoNormal">rick brown<br clear="none">SolShine Energy Alternatives, LLC<br clear="none">Electrical &amp; Solar Contracting Services<br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://www.SolShineEnergyAlternatives.com">www.SolShineEnergyAlternatives.com</a><br clear="none">Check, Virginia 24072<br clear="none"><a rel="nofollow" shape="rect">540.808.9502</a><br clear="none"><br clear="none">VA Class A Contractor Lic#&nbsp;2705147660<br clear="none">VA Master Electrician Lic#&nbsp;2710062762<br clear="none">VA Alternative Energy Systems Installer&nbsp;&nbsp;<br clear="none">NABCEP Certified PV Installation Professional&nbsp;110112-21</p></div><div><p class="yiv3314216705MsoNormal" style="margin-bottom:12.0pt;"><br clear="none">On May 29, 2019, at 5:44 PM, Jerry Caldwell &lt;<a rel="nofollow" shape="rect" ymailto="mailto:solarcowboy@yahoo.com" target="_blank" href="mailto:solarcowboy@yahoo.com">solarcowboy@yahoo.com</a>&gt; wrote:</p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt;"><div><div><div><p class="yiv3314216705MsoNormal"><span style="font-size:10.0pt;">Dear Wrenches,</span></p><div><p class="yiv3314216705MsoNormal"><span style="font-size:10.0pt;"> &nbsp;</span></p><div><p class="yiv3314216705MsoNormal"><span style="font-size:10.0pt;">We are installing a system for a project we did not design. The plans specify 5 Ginlong Solis inverters. Ginlong does not make their own rapid shutdown device, so units by Innovative Solar Products have been specified. The Innovative Solar rapid shutdowns are made to order and will take 4 weeks (not good for us).</span></p><div><p class="yiv3314216705MsoNormal"><span style="font-size:10.0pt;"> &nbsp;</span></p><div><p class="yiv3314216705MsoNormal"><span style="font-size:10.0pt;">Does anyone know another mfr that makes rapid shutdown devices that are compatible with other mfrs inverters?</span></p><div><p class="yiv3314216705MsoNormal"><span style="font-size:10.0pt;"> &nbsp;</span></p><div><p class="yiv3314216705MsoNormal"><span style="font-size:10.0pt;">Thanks,</span></p><div><p class="yiv3314216705MsoNormal"><span style="font-size:10.0pt;"> &nbsp;</span></p><div><p class="yiv3314216705MsoNormal"><span style="font-size:10.0pt;">Jerry Caldwell<br clear="none">Redwood Sun</span></p></div></div></div></div></div></div></div></div></div></div></div></blockquote><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt;"><div><p class="yiv3314216705MsoNormal" style="margin-bottom:12.0pt;">_______________________________________________<br clear="none">List sponsored by Redwood Alliance<br clear="none"><br clear="none">List Address: <a rel="nofollow" shape="rect" ymailto="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank" href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br clear="none"><br clear="none">Change listserver email address &amp; settings:<br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br clear="none"><br clear="none">List-Archive: <a rel="nofollow" shape="rect" target="_blank" href="http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html">http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html</a><br clear="none"><br clear="none">List rules &amp; etiquette:<br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://www.re-wrenches.org/etiquette.htm">www.re-wrenches.org/etiquette.htm</a><br clear="none"><br clear="none">Check out or update participant bios:<br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://www.members.re-wrenches.org">www.members.re-wrenches.org</a></p></div></blockquote></div></div><p class="yiv3314216705MsoNormal" style="margin-bottom:12.0pt;">_______________________________________________<br clear="none">List sponsored by Redwood Alliance<br clear="none"><br clear="none">List Address: <a rel="nofollow" shape="rect" ymailto="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank" href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br clear="none"><br clear="none">Change listserver email address &amp; settings:<br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br clear="none"><br clear="none">List-Archive: <a rel="nofollow" shape="rect" target="_blank" href="http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html">http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html</a><br clear="none"><br clear="none">List rules &amp; etiquette:<br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://www.re-wrenches.org/etiquette.htm">www.re-wrenches.org/etiquette.htm</a><br clear="none"><br clear="none">Check out or update participant bios:<br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://www.members.re-wrenches.org">www.members.re-wrenches.org</a></p></blockquote></div></div></div></div></div><div class="yqt7088365517" id="yqt03983">_______________________________________________<br clear="none">List sponsored by Redwood Alliance<br clear="none"><br clear="none">List Address: <a shape="rect" ymailto="mailto:RE-wrenches@lists.re-wrenches.org" href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br clear="none"><br clear="none">Change listserver email address &amp; settings:<br clear="none"><a shape="rect" href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br clear="none"><br clear="none">List-Archive: <a shape="rect" href="http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html" target="_blank">http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html</a><br clear="none"><br clear="none">List rules &amp; etiquette:<br clear="none">www.re-wrenches.org/etiquette.htm<br clear="none"><br clear="none">Check out or update participant bios:<br clear="none">www.members.re-wrenches.org<br c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