next topic »

[Reply #15 on:]

as a sign of my appriciation i give every one that reply to this post an approud

[Reply #16 on:]

I found this nice/easy example to get started with

http://digital-diy.com/general-programming/finite-state-machines.html

[Reply #17 on:]

one thing about PLC is that every thing is represented with HIGH and LOW. which really help. with arduino the possibility to represent something as HIGH and LOW and everything in between,

You must have never worked with a PLC having analog input modules as they are available and often used to read industrial 4-20ma current loops?

Lefty

[Reply #18 on:]

i had once used analog input for PLC but only once and i really didnt get the chance to explore its capability and Analog input is such a premium that most company prefer using only the digital IO