Production system, production method, and information storage medium

Patent metadata

Field	Value
Publication number	US-11709478-B2
Application number	US-202117355207-A
Country	US
Kind code	B2
Filing date	Jun 23, 2021
Priority date	Jun 26, 2020
Publication date	Jul 25, 2023
Grant date	Jul 25, 2023

Abstract

A production system, including an engineering device configured to set a higher-level control device capable of controlling a control device configured to control one or more industrial machines, wherein the engineering device is configured to: display a name of each of a plurality of variables stored in the higher-level control device; receive specification of a variable to be subjected to at least one of collection or rewriting from among the plurality of variables; and perform setting of the at least one of the collection or rewriting of the specified variable.

First claim

What is claimed is:

1. A production system, comprising an engineering device configured to set a higher-level control device capable of controlling a control device configured to control one or more industrial machines that control one or more motors,
wherein the higher-level control device comprises a CPU unit and a IoT unit,
wherein the CPU unit transmits a motor control instruction for controlling the one or more motors to the one or more industrial machines,
wherein the IoT unit transmits data that relates to the one or more motors to the engineering device or another device,
wherein the engineering device is configured to:
display a name of each of a plurality of variables stored in the CPU unit and the IoT unit of the higher-level control device;
receive specification of a variable to be subjected to at least one of collection or rewriting in a predetermined cycle period, from among the plurality of variables;
estimate a cost of the higher-level control device which is required for data sharing processing that is the at least one of the collection or rewriting of the specified variable,
perform setting of the at least one of the collection or rewriting of the specified variable, and
display the estimated cost,

where in the CPU unit and the IoT unit share the specified variable by executing the data sharing processing,

wherein the IoT unit transmits the data based on the shared variable to the engineering device or the other device.

2. The production system according to claim 1 , wherein the engineering device is configured to acquire the cost based on at least one of a kind of memory storing the specified variable or a format of the specified variable.

3. The production system according to claim 1 ,
wherein the engineering device is configured to:
acquire a cost of the higher-level control device which is usable for the at least one of the collection or rewriting of the specified variable, and
display the cost of the higher-level control device which is usable for the at least one of the collection or rewriting of the specified variable.

4. The production system according to claim 1 , wherein the cost includes at least one of a CPU usage rate of the higher-level control device or a scan time of the higher-level control device.

5. The production system according to claim 1 ,
wherein the engineering device is configured to:
determine, based on the cost, whether a predetermined condition is satisfied, and
display a predetermined alert when it is determined that the predetermined condition is satisfied.

6. The production system according to claim 1 ,
wherein the engineering device is configured to:
acquire a cost of the higher-level control device, which is required for controlling the control device, and
display the cost of the higher-level control device, which is required for controlling the control device.

7. The production system according to claim 6 , wherein the engineering device is configured to acquire the cost of the higher-level control device, which is required for controlling the control device, which is an actually measured value, based on a result of the control of the control device which has been performed by the higher-level control device.

8. The production system according to claim 1 ,
wherein the engineering device is configured to:
receive specification of a cycle period for performing the at least one of the collection or rewriting of the specified variable, and
perform the setting so as to perform the at least one of the collection or rewriting of the specified variable at the specified cycle period.

9. The production system according to claim 1 ,
wherein each of the plurality of variables belongs to at least one of a plurality of attributes,
wherein the engineering device is configured to:
receive specification of at least one of the plurality of attributes, and
receive collective specification of a plurality of variables that belong to the specified at least one of the plurality of attributes.

10. The production system according to claim 9 ,
wherein the engineering device is configured to:
filter and display the plurality of variables that belong to the specified at least one of the plurality of attributes among the plurality of variables, and
receive collective specification of the filtered plurality of variables.

11. The production system according to claim 1 ,
wherein the higher-level control device is configured to control each of a plurality of control devices,
wherein the engineering device is configured to:
display a name of each of the plurality of control devices and a name of each of a plurality of variables corresponding to each of the plurality of control devices, and

receive specification of a variable to be subjected to the at least one of the collection or rewriting from among the plurality of variables corresponding to each of the plurality of control devices.

12. The production system according to claim 1 ,
wherein the control device is configured to execute each of a plurality of processes in order,
wherein the engineering device is configured to:
display a name of each of the plurality of processes and a name of each of a plurality of variables corresponding to each of the plurality of processes, and
receive specification of a variable to be subjected to the at least one of the collection or rewriting from among the plurality of variables corresponding to each of the plurality of processes.

13. The production system according to claim 1 ,
wherein:
the CPU unit stores each of the plurality of variables; and
the IoT unit stores each of the plurality of variables,

wherein the CPU unit and the IoT unit are configured to achieve consistency at a predetermined cycle period,
wherein the engineering device is configured to:
receive specification of at least one of a variable to be collected by a data collection device, and
perform at least one of setting for causing the data collection device to collect the specified variable or setting for rewriting the specified variable from the IoT unit to the CPU unit.

14. A production system, comprising the higher-level control device of claim 1 ,
wherein the higher-level control device is configured to:
store a setting content of the engineering device; and
execute processing involved in the at least one of the collection or rewriting of the specified variable based on the setting content.

15. A production method for performing engineering involved in setting of a higher-level control device capable of controlling a control device configured to control one or more industrial machines that control one or more motors, the production method comprising:
displaying a name of each of a plurality of variables stored in the CPU unit and the IoT unit of the higher-level control device;
wherein the CPU unit transmits a motor control instruction for controlling the one or more motors to the one or more industrial machines,
wherein the IoT unit transmits data that relates to the one or more motors to another device,

receiving specification of a variable to be subjected to at least one of collection or rewriting in a predetermined cycle period from among the plurality of variables;
estimating a cost of the higher-level control device which is required for data sharing processing that is the at least one of the collection or rewriting of the specified variable,
performing setting of the at least one of the collection or rewriting of the specified variable, and
displaying the estimated cost,
wherein the CPU unit and the IoT unit share the speci

Assignees

• Yaskawa Electric Corp

Inventors

• Obata Shinichiro
• Yasuda Megumi
• Shogaki Takaaki
• KATONO Yu

Classifications

• G05B19/4155 Primary

  characterised by program execution, i.e. part program or machine function execution, e.g. selection of a program · CPC title

• G05B2219/31449

  Monitor workflow, to optimize business, industrial processes · CPC title

• G05B19/0423 Primary

  Input/output · CPC title

• G05B19/0426 Primary

  Programming the control sequence · CPC title

• G05B2219/25257

  Microcontroller · CPC title