<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Cliff,</div><div>thanks for the update & offer of advice on my upcoming automation choices.</div><div>That's a huge project updating K350 plans & overseeing the student build.</div><div>I know we have talked about a plan overhaul in the past. I guess the next step </div><div>is building it & then considering the option of replacing the existing plans. </div><div>As I remember, the current plans called for components that no longer existed,</div><div>& had a hard ballast design that would explode if it saw full tank pressure.</div><div> Look forward to seeing a video of the R300 diving with it's new modifications.</div><div>Alan</div><div><br></div><div><br></div><div><br></div><div><br>Sent from my iPad</div><div><br>On 4/11/2016, at 10:57 am, Cliff Redus via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr"><div>Alan</div><div><br></div><div>Let me know when you get ready to spec the PLC/HMI, I have been really happy with the equipment I have using and can share.</div><div><br></div><div>Been working on two Psub projects. The first is working with a local high school on a modified K350 build. I spent the last two month detailing the boat with Autodesk Inventor and now have a pretty complete package of drawings and specs for a modern K-350. The original K-350 plans are fairly basic and required quite a bit of reading between the lines. Changes I made to the original K-350 design were more battery capacity and larger and wider apart battery pods to accommodate, Minn Kota 101 based Kort thrusters like I use for my boat, and totally new electronics including PLC and HMI, full life support including BIBS and added two more viewports. The MBT system has been totally changed. I am using two of Hugh Fulton's pneumatic pancake style valves to blow the MBTs and am using Swagelok 3-Way valves to operate the MBT and VBT. Team is waiting on final budget approval before we pull the trigger on the project. Team has already received $15K in equipment donations.</div><div><br></div><div>On the R300, I am in the process of switching control of the compass/pitch/roll sensor which uses RS232 serial communication from an RS232 port on the PLC base to a dedicated PLC coprocessor. I have had some intermittency issues with this sensor over the years and I am trying this to see if this solves the problem. What I really need is an O Scope that has RS232 investigation feature. With the work on the K-350 project, I have just not had any spare time on my boat. Hope to rectify that shortly. Got a consulting job I have to knock out next week in Oklahoma City then I am free for the rest of the year to play with psubs.</div><div><br></div><div>Regards</div><div><br></div><div>Cliff<br><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Nov 3, 2016 at 3:15 PM, Alan James via Personal_Submersibles <span dir="ltr"><<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:rgb(0,0,0);font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px;background-color:rgb(255,255,255)"><div id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15500"><span>Thanks Cliff,</span></div><div dir="ltr"><span>no doubt I'll have more questions when I start</span></div><div dir="ltr"><span>trying to nail down what PLC, HMI & software.</span></div><div dir="ltr"><span>Have just ordered 2 of those digital to 0-5V converters</span></div><div dir="ltr"><span>for my remote system. Will give an update on them when</span></div><div id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15579" dir="ltr"><span>they are up & running.</span></div><div id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15578" dir="ltr"><span id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15577">Anything noteworthy on your R300 modifications? (if</span></div><div id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15576" dir="ltr"><span id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15580">you have time for an update.)</span></div><div id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15575" dir="ltr"><span>Cheers Alan</span></div><div class="m_-9087867297788367062qtdSeparateBR" id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15499"><br><br></div><div class="m_-9087867297788367062yahoo_quoted" id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15495" style="display:block"> <div id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15494" style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15493" style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15492" dir="ltr"> <font id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15491" face="Arial" size="2"> <hr size="1" id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15564"> <b id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15582"><span id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15581" style="font-weight:bold">From:</span></b> Cliff Redus via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.<wbr>org</a>><br> <b><span style="font-weight:bold">To:</span></b> Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.<wbr>org</a>> <br> <b><span style="font-weight:bold">Sent:</span></b> Friday, November 4, 2016 5:06 AM<br> <b id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15584"><span id="m_-9087867297788367062yui_3_16_0_ym19_1_1478154411107_15583" style="font-weight:bold">Subject:</span></b> Re: [PSUBS-MAILIST] PLC input question<br> </font> </div> <div class="m_-9087867297788367062y_msg_container"><br><div id="m_-9087867297788367062yiv9320286101"><div><div dir="ltr"><div>Alan, for PLC analog input devices, normally they are either 0-5VDC, 0-10VDC or 4-20mA. You can by analog input modules for the PLC in any of these flavors. Most popular are 0-5VDC and 4-20mA.</div><div><br clear="none"></div><div>Cliff</div></div><div class="m_-9087867297788367062yiv9320286101yqt7887225841" id="m_-9087867297788367062yiv9320286101yqt89903"><div class="m_-9087867297788367062yiv9320286101gmail_extra"><br clear="none"><div class="m_-9087867297788367062yiv9320286101gmail_quote">On Thu, Nov 3, 2016 at 12:06 AM, Alan via Personal_Submersibles <span dir="ltr"><<a href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect">personal_submersibles@psubs.<wbr>org</a>></span> wrote:<br clear="none"><blockquote class="m_-9087867297788367062yiv9320286101gmail_quote" style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid">What is the best sensor input to get for a PLC or doesn't it matter.<br clear="none">
The pressure sensors I am coming across have either 0-5V output<br clear="none">
or some amp range.<br clear="none">
Wish I had heard Jon's talk at the last convention. Was that recorded?<br clear="none">
Thanks<br clear="none">
Alan<br clear="none">
<br clear="none">
Sent from my iPad<br clear="none">
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