Probably a lot less expensive than Prosoft Modbus products
On Wed, Aug 19, 2020, 5:46 PM Matt Corcoran <m...@stratospeed.com> wrote: > Not quite related, but I just found out that Microtik(linux) has built in > drivers for common Arduino serial chips. I setup an Arduino to monitor > 4 different voltages at our solar site. Our NMS just SSHs to the > microtik(special login) to pull the average voltages and graph them. I > was happy to not add any more equipment other than the power sipping > Arduino. > > > > > > > > *Matt Corcoran* | Network Engineer > > m...@stratospeed.com | 231-680-0062 > > > > [image: signature_1101261039] <http://stratospeed.com/index.html> > > > > www.stratospeed.com | 231-774-2112 > > > > > > > > > > > > *From: *AF <af-boun...@af.afmug.com> on behalf of dave < > dmilho...@wletc.com> > *Reply-To: *AnimalFarm Microwave Users Group <af@af.afmug.com> > *Date: *Wednesday, August 19, 2020 at 4:19 PM > *To: *"af@af.afmug.com" <af@af.afmug.com> > *Subject: *Re: [AFMUG] OT odd data connection > > > > Ive done alot with Modbus on arduino products interfacing with anything > that speaks modbus. > I have a server I que or add each thing I want to monitor or review. > Temps, Humidity power levels or presence of are the main ones. > > > On 8/19/20 11:26 AM, ch...@wbmfg.com wrote: > > On one of my large portable air compressors, there is a data port. They > sell an adapter cable for about $200 It adapts it to USB. The program > that you use to talk to it makes reference to modbus. > > > > The data port has 4 pins. RJ-10 4p4c connector. > > +5 with enough current to light an incandescent light bulb. > > +5 low current > > +5 low current > > Ground > > > > This sounds like USB host to me. One of my sons think it is RS-485 > > > > I don’t think USB would be happy on a RJ-10 and utp wire. Maybe it > would. Maybe I am just buying a piece of wire with two connectors on the > ends. > > > > The controller it plugs into is $2000 so I don’t want to experiment on > that. Be interesting to see the adapter cable when it gets here. See if > there are any active components. I would have probably just wired it up to > a USB and tried it if my son had not made the modbus/RS485 comment. > > > > Any guesses? > > > > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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