[PSUBS-MAILIST] DSV Aquatic update

[Cliff Redus via Personal_Submersibles]

If you go CANBUS, please post progress.

Cliff

On Thu, May 24, 2018 at 10:57 AM, irox via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> I'm also considering CANBUS for my subs intercommunication needs.  The
> motor controller I've purchased supports CANBUS (or a few flavors of) out
> the box.  Extending it to other things, light controllers, automated
> values, sensors seems reasonably tractable using common micro controllers.
>
> Cheers,
>   Ian.
>
> -----Original Message-----
> From: Jon Wallace via Personal_Submersibles
> Sent: May 24, 2018 8:41 AM
> To: Personal Submersibles General Discussion
> Subject: Re: [PSUBS-MAILIST] DSV Aquatic update
>
> Cliff, I have no experience with CANBUS.  I'll have to look into it.
>
>
> ------------------------------
> *From:* Cliff Redus via Personal_Submersibles <
> personal_submersibles at psubs.org>
> *To:* Personal Submersibles General Discussion <
> personal_submersibles at psubs.org>
> *Sent:* Thursday, May 24, 2018 10:55 AM
> *Subject:* Re: [PSUBS-MAILIST] DSV Aquatic update
>
> Nice work Jon. I like the HMI.  Just as a comparison,  I use on my boat
> via PLC 54 channels:
>
> Analog input 21
> RTD inputs 2
> Digital input 10
> RS-232 INPUT 3
> Analog Output 6
> Digital Output 12
>
> PCBs look good.  I also use PCB Express.  They have always done a good job
> on boards for me.
>
> OAS
> Have you ever done any work with CANBUS (Control Area Network Bus?  This
> is distributed communication network and protocol used on all modern cars
> for ECU (Electrical Control Units) to talk with each other.  Driver is
> system robustness and minimizing thick cable harnesses.  Always though it
> would be interesting to set up a psub using CANBUS.
>
> Cliff
> *54*
>
>
>
> On Wed, May 23, 2018 at 7:33 PM, Jon Wallace via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> I have finalized the PCB layout for the SCM.  Although not really
> necessary, layering various "breakout boards" onto PCB foundations that use
> electrical traces to connect various parts will definitely cut down on the
> mish-mash of wiring that would otherwise be required.  I have settled on a
> configuration providing 16 each of analog, serial, and I2C sensors.  This
> is way more than I ever anticipate needing however it does offer plenty of
> room for expansion and doesn't cost much more than limiting to 4 or 8
> sensors...so why not go for it.
>
> I am using ExpressPCB for the PCB design work.  In my prototype I was
> using an Arduino for sensor data collection and a Raspberry PI for graphic
> display however I am now thinking about using a second Raspberry PI for
> data collection to take advantage of the huge difference in processing
> power available with it compared to the Arduino.
>
> The three PCB boards and microprocessor will be housed together in a
> "sensor collection box" (hmmm, another acronym opportunity - SCB) and
> communicate with the graphics microprocessor via USB.
>
> The layout boards can be viewed here
> http://www.subdb.info/ database/vessels/1320788990/
> docs/scm_-_pcb_layout.pdf
> <http://www.subdb.info/database/vessels/1320788990/docs/scm_-_pcb_layout.pdf>
>
> Click here to see the Submarine Control Manager (SCM)
> <https://www.youtube.com/watch?time_continue=1&v=8JkGYM6V2a4> graphical
> display.
>
> Submarine Control Manager (SCM)
> A demo of the latest SCM software I have developed. It provides a
> graphical display of sensors and allows contro...
> <https://www.youtube.com/watch?time_continue=1&v=8JkGYM6V2a4>
>
>
>
>
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