We have been given the task of retrofitting the proprietary controls of an Italian Wrapping machine. We will be replacing the control boards with an AB PLC and they would also like us to convert the schematics. The schematics are currently drawn in the European style and there are some symbols I am unfamiliar wiith. I was wondering if anyone knows where I can get something that woul identify the common symbols used or give the equivalent in US standards.

For instance I know that K is used to represent a relay and H is for an indicator (light, horn).

I have tried an internet search but haven't found anything useful yet.

Something to try

http://www.roymech.co.uk/Useful_Tables/Dra...ol_symbols.html


http://www.roymech.co.uk/Useful_Tables/Dra...er_symbols.html

Check out this site also:

http://www.wiringmanual.com/index.html#wp1069167

Especially the 'Specifications, Formulae, Tables' section.

Lots of exellent info. Hope that helps.



Andy.

Nice find Andy, Thank you

Bud

Thanks for the info. It will make my job much easier.

Out of curiosity, are those SIAT wrapping machines ?