1
Odo J Struger, Ronald E Schultz, Barry E Sammons: Dual language programmable controller. Allen Bradley Company, Quarles & Brady, November 24, 1981: US04302820 (88 worldwide citation)

A programmable controller includes a microprocessor which operates in response to machine instructions stored in a read-only memory. A control program comprised of programmable controller-type instructions is stored in a random access memory. These are executed by translating their operation codes i ...


2
Odo J Struger, Barry E Sammons: Distributed processing in a cluster of industrial controls linked by a communications network. Allen Bradley Company, December 19, 1989: US04888726 (62 worldwide citation)

A cluster of control processors are interconnected by a local area network and exchange data to carry out their control functions. Each controller executes a control program containing both conventional instructions and T-instructions which call for an operation on data maintained by another control ...


3
Odo J Struger, Barry E Sammons: Multiplexed data handler for programmable controller. Allen Bradley Company, Barry E Sammons, November 12, 1985: US04553224 (13 worldwide citation)

A programmable controller has input and output multiplexer modules through which I/O data may be transferred. A multiplexer array is stored in the controller memory for storing this I/O data and conventional programmable controller instructions in the user control program may be employed to examine ...