Central unit for a process control system

Details Central unit for a process control system Central unit for a process control system

G - Physics

06

F

G06F 15/16 (2006.01) G05B 19/042 (2006.01) G06F 9/46 (2006.01)

Patent

CA 2106899

ABSTRACT OF THE DISCLOSURE A process control system, for example a storage-programmable control, having a central unit (1) and a number of peripheral devices, for instance 1/0 assemblies, controller assemblies, etc., which are connected to the central unit (1) via a bus system (7). The central unit (1) includes two processor systems (2, 4) which are separate from each other, one processor system (2) processing real-time tasks and one processor system (4) processing tasks which are not time-critical. The bus system (7) is split into two separate individual buses (7', 7") which are associated with the processor systems (2, 4). In this way, the processor systems (2, 4) are uncoupled from each other upon access to the bus system (7).

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