Serial device control through rs232 via my own web page

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Hello!
I just created a web page using html and javascript. The page centered on an image of a control panel with various buttons. Next to each button there are 2 rectangles the squares when crushing the button pass from red to green (on off). My question is this: can you control a serial machine through my web page? (If I press on the button on the site it is turned off and also on the serial machine it goes from on to off?

What I have tried:

nothing till now cause i dont now where and how to start so please help me

Posted 25-May-17 22:37pm

Member 13223963

Updated 25-May-17 22:49pm

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CPallini · Accepted Answer · 2017-05-25T22:49:00

Solution 1

Yes, if the serial machine is connected to the server. For instance, via the exec[^] call, PHP code can execute a program in order to start/stop the serial machine.

Posted 25-May-17 22:49pm

CPallini

Comments

Member 13223963 26-May-17 4:52am

I mean i have the machine, the rs232 is connected one part to the machine via serial and one part to my pc via ethernet. How can i connect the machine to the server?
i have no idea
thanks

CPallini 26-May-17 4:59am

'and one part to my pc via ethernet'
Could you, please, elaborate?

Member 13223963 26-May-17 5:04am

I have the rs232. it has got 2 wires one is a serial wire that is connected to the machine and the other wire is the ethernet wire that is connect to my pc's ethernet port

CPallini 26-May-17 5:09am

So, do you have a serial/ethernet converter?

Member 13223963 26-May-17 5:12am

exactly

CPallini 26-May-17 5:16am

Then I suggest you to read some introductory materia, like, for instance:
http://www.usconverters.com/index.php?main_page=page&id=70&chapter=0

Member 13223963 26-May-17 5:22am

Ok! if i dont understand i will ask your help

Member 13223963 26-May-17 5:23am

mean if i dont understand how to implement in my web page

CPallini 26-May-17 5:25am

Your web page will be hosted on a web server. On the machine running such web server you may write a program starting/stopping the serial machine using TCP sockets. The PHP on the web page will the program.

Member 13223963 26-May-17 5:29am

Can you pleasily help me doing that? mean can we do it together 'cause i really dont know how to start, i dont know php and i like to learn it. so can u help me?

CPallini 26-May-17 5:35am

Well, the workhorse would be the program starting/stopping the serial machine. You may use whatever language to develop it. The PHP role is minimal, just a call (or a couple of calls) to the exec (or similar) function. You may find many sample codes available on the web.

Member 13223963 26-May-17 5:37am

i searched on the web but i didn't find anything

Member 13223963 26-May-17 5:49am

or can u just guide me step to step

Member 13223963 26-May-17 6:13am

cause i really dont know what to do