Each input or output instruction is assigned an address (shown below the instructions in Fig. 1, on page 22) indicating the location in the PLC memory where the state of that instruction is stored.

IP News LSI Logic's PCI-to-Ultra2 SCSI Host Adapter Board Boosts Performance With 64-Bit Addressing and Dual Address Cycles. MILPITAS, Calif., Dec. 6 -- LSI Logic Corporation (NYSE: LSI), the System ...