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<div dir="ltr" data-setdir="false">It uses a different protocol which is a bit more complicated to implement with microprocessors, but certainly not impossible.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Jon</div><div dir="ltr" data-setdir="false"><br></div><div><br></div>
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On Thursday, March 25, 2021, 08:19:49 PM EDT, Steve McQueen via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
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<div><div id="ydpad5d816cyiv3196377452"><div><div>NEMA 2000 is the latest protocol. Is there a reason you would not consider it?<div>Steve</div></div><br clear="none"><div class="ydpad5d816cyiv3196377452gmail_quote"><div class="ydpad5d816cyiv3196377452yqt3442469435" id="ydpad5d816cyiv3196377452yqt08092"><div class="ydpad5d816cyiv3196377452gmail_attr" dir="ltr">On Thu, Mar 25, 2021, 7:21 PM Cliff Redus via Personal_Submersibles <<a shape="rect" href="mailto:personal_submersibles@psubs.org" rel="nofollow" target="_blank">personal_submersibles@psubs.org</a>> wrote:<br clear="none"></div><blockquote class="ydpad5d816cyiv3196377452gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div><div style="font-family:times new roman, new york, times, serif;font-size:16px;"><div style="font-family:times new roman, new york, times, serif;font-size:16px;"></div>
<div dir="ltr">Jon on the R300, I use the Airmar DST800 <a shape="rect" href="https://www.airmar.com/uploads/brochures/DST800.pdf" style="font-family:times new roman, new york, times, serif;font-size:16px;" rel="nofollow" target="_blank">DST800 Smart™ Sensor | AIRMAR</a> I interface it with my PLC via RS232 and parse the NEMA 0183 ASCII strings to get altitude, speed and temperature. I have been happy with this transponder for the most part. What I don't like about it is the 70m depth limit. On many occasions when doing a surface transit I have been in deeper water than this and the meter pegs out. </div><div dir="ltr" style="font-family:times new roman, new york, times, serif;font-size:16px;"><span><br clear="none"></span></div><div dir="ltr" style="font-family:times new roman, new york, times, serif;font-size:16px;"><span>I founds interfacing with NEMA 0183 devices straightforward.</span></div><div dir="ltr" style="font-family:times new roman, new york, times, serif;font-size:16px;"><span><br clear="none"></span></div><div dir="ltr" style="font-family:times new roman, new york, times, serif;font-size:16px;">The R800 I am designing has a design depth of 800 ft. As such I need a deeper sounder. Because I like the NEMA 0183 devices and the fact I am going to use a RS232 channel on the new boat for altitude, I have speced a new transponder. It is the CruzPro ATU120BT <span><a shape="rect" href="https://www.marinepanservice.com/en/accessorio/atu120bt" rel="nofollow" target="_blank">CruzPro ATU120BT: 300 Mt plastic feed-through transducer (marinepanservice.com)</a></span><div><br clear="none"></div><div id="ydpad5d816cyiv3196377452m_-626083704577695829ydpd710c2cfenhancr_card_7475180891" style="max-width:400px;font-family:YahooSans, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif;"><a shape="rect" href="https://www.marinepanservice.com/en/accessorio/atu120bt" style="text-decoration:none!important;color:#000!important;" rel="nofollow" target="_blank"><table border="0" cellpadding="0" cellspacing="0" style="max-width:400px;"><tbody><tr><td colspan="1" rowspan="1" width="400"><table border="0" cellpadding="0" cellspacing="0" width="100%" style="max-width:400px;border-width:1px;border-style:solid;border-color:rgb(224,228,233);border-radius:2px;"><tbody><tr><td colspan="1" rowspan="1" valign="top" background="https://s.yimg.com/lo/api/res/1.2/chsP9ljzAaa8X27qTizFUg--~A/Zmk9ZmlsbDt3PTQwMDtoPTIwMDthcHBpZD1pZXh0cmFjdA--/https://www.marinepanservice.com/imgs/mps2k/cruzpro-atu120bt-grande-1.jpg.cf.jpg" bgcolor="#000000" height="175" style="background-color:rgb(0,0,0);background-size:cover;border-radius:2px 2px 0px 0px;min-height:175px;"><table border="0" cellpadding="0" cellspacing="0" style="width:100%;"><tbody><tr><td colspan="1" rowspan="1" valign="top" background="https://s.yimg.com/cv/ae/nq/storm/assets/enhancrV21/1/enhancr_gradient-400x175.png" bgcolor="transparent" style="background-color:transparent;border-radius:2px 2px 0px 0px;min-height:175px;"><table border="0" height="175" style="width:100%;min-height:175px;"><tbody><tr><td colspan="1" rowspan="1" style="text-align:left;padding:15px 0 0 15px;vertical-align:top;"></td><td colspan="1" rowspan="1" style="text-align:right;padding:15px 15px 0 0;vertical-align:top;"><div></div></td></tr></tbody></table></td></tr></tbody></table></td></tr><tr><td colspan="1" rowspan="1"><table align="center" border="0" cellpadding="0" cellspacing="0" style="background:#fff;width:100%;max-width:400px;border-radius:0 0 2px 2px;border-top:1px solid rgb(224,228,233);"><tbody><tr><td colspan="1" rowspan="1" style="background-color:#ffffff;padding:16px 0 16px 12px;vertical-align:top;border-radius:0 0 0 2px;"></td><td colspan="1" rowspan="1" style="vertical-align:middle;padding:12px 24px 16px 12px;width:99%;font-family:YahooSans, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif;border-radius:0 0 2px 0;"><h2 style="font-size:14px;line-height:19px;margin:0px 0px 6px;font-family:YahooSans, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif;color:rgb(38,40,42);max-width:314px;">CruzPro ATU120BT: 300 Mt plastic feed-through transducer</h2><p style="font-size:12px;line-height:16px;margin:0px;color:rgb(151,155,167);">CruzPro ATU120BT plastic active feed-through transducer, with temperature, depth 300 Mt, power 320 watt RMS, DSP...</p></td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table></a><div style="width: 100%; min-height: 100%;"><div><div><u></u><u></u><u></u><u></u><u></u><u></u></div></div></div></div><div dir="ltr">This gets me 300m or 984 ft so more than enough for new boat. The cost for the unit is $260. While these transponders are for surface boats, I am hoping that it is solid and can withstand the depth. At some point I plan on doing some depth test in my test chamber to see if it will withstand the pressure. I found some nice altitude sensors for ROVs but I found that the prices are a magnitude higher.</div><div dir="ltr"><br clear="none"></div><div dir="ltr">I think Hank has been happy with his altitude sounder. I don't remember what he using but you might want to send him and note and see what he used on Gamma and the E3000.</div><div dir="ltr"><br clear="none"></div><div dir="ltr">Cliff</div><div><br clear="none"></div></div><div dir="ltr" style="font-family:times new roman, new york, times, serif;font-size:16px;"><span><br clear="none"></span></div><div dir="ltr" style="font-family:times new roman, new york, times, serif;font-size:16px;"><span><br clear="none"></span></div><div style="font-family:times new roman, new york, times, serif;font-size:16px;"><br clear="none"></div>
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On Thursday, March 25, 2021, 09:06:37 AM CDT, Jon Wallace via Personal_Submersibles <<a shape="rect" href="mailto:personal_submersibles@psubs.org" rel="nofollow" target="_blank">personal_submersibles@psubs.org</a>> wrote:
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<div><div id="ydpad5d816cyiv3196377452m_-626083704577695829ydpa3352751yiv5203155103"><div><div style="font-family:times new roman, new york, times, serif;font-size:16px;"><div dir="ltr">Cliff, what manufacturer/model sounder are you using for altitude? Do you have it interfaced with your computer or is it a separate unit? I'm looking at NMEA sounders which are relatively easy to interface with microprocessors but are expensive. Analog depth sounding transducers are much cheaper but I don't know how they present their information.</div><div dir="ltr"><br clear="none"></div><div dir="ltr">Jon</div></div></div></div>_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a shape="rect" href="mailto:Personal_Submersibles@psubs.org" rel="nofollow" target="_blank">Personal_Submersibles@psubs.org</a><br clear="none"><a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" rel="nofollow" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></div>
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