[usb] USB for Industrial Equipment

["Ricky Nite" <ricky@hugletech.com>]

Hello,

Im not very familiar with USB yet, but is it ok to use USB 
instead of  RS-232 for industrial equipment? I know that
the interface has to be more robust, so it should include  
overcurrent/overvoltage/transient protection circuitry, right?
So Im thinking of PTCs, MLVs, ESD suppressors - but now Im 
worried that I may be overdoing it.  So another question is,
how much protection do you actually need? What kind of 
protection can you do without?  Im also thinking about the
cost factor.  Maybe you guys can suggest other low-cost 
alternatives?

Rgds,

Ricky Nite


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