Control system and control device
AssigneeOMRON Corporation
InventorKenichi IWAMI
Life of this patent
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Abstract
A control system includes one or a plurality of functional units, and a control device for exchanging communication data transmitted circularly among the functional units. The control device selects, in accordance with an instruction from a user or in accordance with a predetermined condition, one transfer system of a first transfer system in which a computation processing unit transfers the communication data and a second transfer system in which a DMA controller transfers the communication data.
Claims14
A control system comprising:
- one or a plurality of functional units;
- and
- a control device configured to exchange communication data transmitted circularly among the one or plurality of functional units,
- wherein the control device includes
- a communication circuit including a first storage unit that temporarily stores the communication data,
- a second storage unit that stores the communication data transmitted from the first storage unit in accordance with one of a plurality of transfer systems,
- a computation processing unit that performs a computation process using the communication data stored in the second storage unit, and
- a DMA controller connected to the computation processing unit and the communication circuit,
- wherein the plurality of transfer systems includes a first transfer system in which the computation processing unit transfers the communication data and a second transfer system in which the DMA controller transfers the communication data, and
- wherein the computation processing unit selects one transfer system between the first and second transfer systems in accordance with an instruction from a user or a predetermined condition.
A control device that exchanges communication data transmitted circularly among one or a plurality of functional units, the control device comprising:
- a communication circuit including a first storage unit that temporarily stores the communication data;
- a second storage unit configured to store the communication data transmitted from the first storage unit in accordance with one of a plurality of transfer systems;
- a computation processing unit configured to perform a computation process using the communication data stored in the second storage unit;
- and
- a DMA controller connected to the computation processing unit and the communication circuit,
- wherein the plurality of transfer systems includes a first transfer system in which the computation processing unit transfers the communication data and a second transfer system in which the DMA controller transfers the communication data, and
- wherein the computation processing unit selects one transfer system between the first and second transfer systems in accordance with an instruction from a user or a predetermined condition.
Dependencies are inferred from the claim text.