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...Step siemens s programming copyright dogwood valley press llc siemensstep doc table of contents page a starting project with the configuring communications i o configuration specifying other variables processor download b ladder logic two contacts in series logical and entering branches or timers counters c adding comments to d assigning symbols addresses e displaying memory locations f input output forcing g importing exporting h saving program restoring j printing this document is supplement lab exercise that introduces one basics following equipment assumed es ea aa ps power supply ag ab cpu dp bl chan v disc bh out primarily for version software mpi pc adapter ca xa plus serial cable connection from also order become familiar basic addressing techniques on steps accomplish first part are outlined sections remainder outline your print save diagram an industrial setting initial plc done offline then later downloaded when ready final test debug addition there usually only each network...