[PSUBS-MAILIST] PLC HMI selection

Cliff Redus via Personal_Submersibles personal_submersibles at psubs.org
Tue Jan 2 17:44:50 EST 2018


Alan I have been very happy over the years with automationdirect PLCs and
HMI.  Technical support is excellent. the PLC you have speced should work
fine. They have a lot of different systems but the one I use is the DirectLogic
205 (Micro Modular PLC).  I have a 9 slot base that runs off 24VDC.  I use
the Cmore  Ea9-T8CL  C-more EA9 series touch screen HMI, 8in color TFT LCD,
800 x 600 pixel.   The current configuration on the R300 uses 20 analog
input channels, 2 RDT, 10 digital input, 2 RS232, 6 analog output and 9
digital output channels.  I am currently using the D2-260 cpu but I would
use the newer Do-more cpu if I rebuilt the system.   I would not use any
smaller than a 8" HMI.  Programming the PLC ladder logic is straight
forward. You would have two options for data logging with what you have
configured.  The PLC has data logging and the cmore EA9-T8CL also has data
logging via SD card.  Data logging is real nice was of analyzing the dive
after the fact.
Cliff


On Tue, Jan 2, 2018 at 2:33 PM, Alan via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Hi,
> am looking at purchasing a PLC & HMI.
> Don't know a lot about what I am doing other than I have completed a basic
> PLC programming course in RSLogix 500.
> I will be having at least 31 analog & 4 digital inputs and 7 digital & 1
> analog
> output plus HMI connection. So most of the input is just for display on the
> HMI & for alarms.
> I want the PLC to be as small as possible & have been looking at the
> Automation
> Direct Productivity 1000 stackable Micro PLC
> https://www.automationdirect.com/adc/Overview/Catalog/
> Programmable_Controllers/Productivity_Series_
> Controllers/Productivity1000_(Stackable_Micro_PLC)
> This item has just enough analog inputs.
> Also I am looking at a 7-8" HMI screen. Automation Direct have this item I
> have been
> looking at...
> https://www.automationdirect.com/adc/Shopping/Catalog/HMI_(
> Human_Machine_Interface)/C-more_Touch_Panels/C-more_
> Touch_Panels_EA9_Series/C-more_EA9_Series_Touch_Panels/EA9-T8CL
> Is a bit expensive at $999-
> I envisage I will be designing the graphics; have done a lot with
> photoshop in
> the past & a tiny bit of annimation, so any program that has similarities
> to the
> photoshop format would probably be helpful, however not too concerned
> about that.
> Has anybody got any suggestions about suitable PLCs & HMIs or any comments
> about what I'm looking at.
> The PLC has a 125V DC input, I couldn't see an IP rating for it. The HMI
> is IP 25.
> Cliff, what size screen do you have & are you feeling it is the correct
> size?
> Thanks,
> Alan
>
>
>
> Sent from my iPad
>
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