Controller, control program, and control system
AssigneeOMRON Corporation
InventorsYasuaki ABE, Yuhki UEYAMA, Nobuyuki SAKATANI
Life of this patent
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Abstract
A controller performs a control operation associated with a control target. The controller includes a communication interface that electrically connects at least one function unit to the controller through a data transmission path, a writing unit that writes an observation value obtained through the function unit into a database, and a delay obtaining unit that obtains a delay time taken from when a signal indicating an observation value is input into the function unit to when data representing the observation value becomes usable in the controller, and stores information indicating the obtained delay time.
Claims15
A controller that performs a control operation associated with a control target, the controller comprising:
- a communication interface configured to electrically connect at least one function unit to the controller through a data transmission path;
- a writing unit configured to write an observation value obtained through the function unit into a database;
- and
- a delay obtaining unit configured to obtain a delay time taken from when a signal indicating an observation value is input into the function unit to when data representing the observation value becomes usable in the controller, and store information indicating the obtained delay time.
A non-transitory computer-readable recording medium storing a control program that is executable by a controller for performing a control operation associated with a control target, the controller being electrically connected to at least one function unit through a data transmission path, the control program causing the controller to perform operations comprising:
- writing an observation value obtained through the function unit into a database;
- and
- obtaining a delay time taken from when a signal indicating an observation value is input into the function unit to when data representing the observation value becomes usable in the controller, and storing information indicating the obtained delay time.
A control system, comprising:
- a controller configured to perform a control operation associated with a control target;
- and
- at least one function unit electrically connected to the controller through a data transmission path,
- wherein the controller includes
- a writing unit configured to write an observation value obtained through the function unit into a database, and
- a delay obtaining unit configured to obtain a delay time taken from when a signal indicating an observation value is input into the function unit to when data representing the observation value becomes usable in the controller, and store information indicating the obtained delay time.
Dependencies are inferred from the claim text.