[PSUBS-MAILIST] PLC HMI selection

[Alan via Personal_Submersibles]

Thanks Steve,
this EZrack 7 slot module is looking pretty good.
http://www.ezautomation.net/ezrackplc/ezrackplc.htm#
They are just about giving it away.
The other option I am looking at is Cliff's 9 slot DL205 from automation
direct.
https://www.automationdirect.com/adc/Overview/Catalog/Programmable_Controllers/DirectLogic_Series_PLCs_(Micro_to_Small,_Brick_-a-_Modular)/DirectLogic_205_(Micro_Modular_PLC)#btn-bar-c
Any preference?
Alan
Sent from my iPad

> On 3/01/2018, at 11:07 AM, Steve McQueen via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Alan, I would also check with ezautomation. The big boys (Rockwell-Allen Bradley/GE/Siemens etc.) are expensive on the software side as well as the hardware. Places like ezautomation provide a lot of the software for free. However it isn’t as full featured as the bigger brands but it will work.
>  
> Based on your programming class you should find programing  these other brands easy (I find ladder logic is basically the same across vendors).
>  
> I would say the cheaper brands (hardware) may not be as “industrial/reliable” as the more expensive hardware.
>  
> Cliff has some real world PLC/sub data. Carsten has some nice HMIs as well.
>  
> Steve
>  
> From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org] On Behalf Of Alan via Personal_Submersibles
> Sent: Tuesday, January 2, 2018 3:33 PM
> To: personal_submersibles at psubs.org
> Subject: [PSUBS-MAILIST] PLC HMI selection
>  
> 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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