I got inquiry convert an old AB PLC2-20 code to S7-300 but some of them I did not understand.
I can not upload photo so may you see at link below and give me instruction to convert from Run 219 to 222 of AB2-20 to Siemens S7-300.
https://dl.dropbox.com/u/29910691/Convert%20PLC2.png

Thank you very much for your help