Control unit, output control method and program

A control device configured to execute motion control and sequence control, the control device comprising:

• a processor;
• and
• a storage configured to store a CAM computation program configured to perform, using a CAM table that is an array in which displacements of a slave axis of an electronic CAM are each associated with a phase of a master axis of the electronic CAM, motion control to output position instruction values corresponding to the displacements of the slave axis of the electronic CAM associated with the phases of the master axis of the electronic CAM, and to store the CAM table, wherein
• the storage is configured to further store a CAM table generating program, which is configured to receive an input of a CAM definition variable that defines an electronic CAM operation to be realized through the motion control, and to generate a CAM table in which a CAM curve is stored as an array corresponding to the input CAM definition variable,
• the processor is configured to execute the CAM computation program using the CAM table, and to perform the motion control, and
• the processor is further configured to receive the input of the CAM definition variable, generate the CAM table by executing the CAM table generating program, and store the generated CAM table into the storage,
• wherein one cycle of a task schedule of the motion control includes a fixed-cycle task and a system service, the system service executed in a spare time other than the fixed-cycle task, and
• a timing of a calculation process by the CAM table generating program is assigned to the system service.

An output control method of a control device configured to execute motion control and sequence control,

• the control device including a processor and a storage,
• the output control method comprising:
• executing, by the processor, a CAM computation program, to perform, using a CAM table that is an array in which displacements of a slave axis of an electronic CAM are each associated with a phase of a master axis of the electronic CAM, motion control to output position instruction values corresponding to the displacements of the slave axis of the electronic CAM associated with the phases of the master axis of the electronic CAM;
• executing, by the processor, a CAM table generating program, to receive an input of a CAM definition variable that defines an electronic CAM operation to be realized through the motion control, and to generate a CAM table in which a CAM curve is arrayed corresponding to the input CAM definition variable;
• and
• storing, by the processor, the generated CAM table into the storage,
• wherein one cycle of a task schedule of the motion control comprises a fixed-cycle task and a system service, the system service executed in a spare time other than the fixed-cycle task, and
• a timing of a calculation process by the CAM table generating program is assigned to the fixed-cycle task.

A non-transitory computer-readable recording medium storing a program for controlling a control device configured to execute motion control and sequence control,

• the control device including a processor and a storage,
• the program causing the processor to perform operations comprising:
• executing a CAM computation program to perform, using a CAM table that is an array in which displacements of a slave axis of an electronic CAM are each associated with a phase of a master axis of the electronic CAM, motion control to output position instruction values corresponding to the displacements of the slave axis of the electronic CAM associated with the phases of the master axis of the electronic CAM;
• executing a CAM table generating program, to receive an input of a CAM definition variable that defines an electronic CAM operation to be realized through the motion control, and to generate a CAM table in which a CAM curve is arrayed corresponding to the input CAM definition variable;
• and
• storing the generated CAM table into the storage,
• wherein one cycle of a task schedule of the motion control comprises a fixed-cycle task and a system service, the system service executed in a spare time other than the fixed-cycle task, and
• a timing of a calculation process by the CAM table generating program is assigned to the fixed-cycle task.

An output control method of a control device configured to execute motion control and sequence control,

• the control device including a processor and a storage,
• the output control method comprising:
• executing, by the processor, a CAM computation program, to perform, using a CAM table that is an array in which displacements of a slave axis of an electronic CAM are each associated with a phase of a master axis of the electronic CAM, motion control to output position instruction values corresponding to the displacements of the slave axis of the electronic CAM associated with the phases of the master axis of the electronic CAM;
• executing, by the processor, a CAM table generating program, to receive an input of a CAM definition variable that defines an electronic CAM operation to be realized through the motion control, and to generate a CAM table in which a CAM curve is arrayed corresponding to the input CAM definition variable;
• and
• storing, by the processor, the generated CAM table into the storage,
• wherein one cycle of a task schedule of the motion control includes a fixed-cycle task and a system service, the system service executed in a spare time other than the fixed-cycle task, and
• a timing of a calculation process by the CAM table generating program is assigned to the system service.

A non-transitory computer-readable recording medium storing a program for controlling a control device configured to execute motion control and sequence control,

• the control device including a processor and a storage,
• the program causing the processor to perform operations comprising:
• executing a CAM computation program to perform, using a CAM table that is an array in which displacements of a slave axis of an electronic CAM are each associated with a phase of a master axis of the electronic CAM, motion control to output position instruction values corresponding to the displacements of the slave axis of the electronic CAM associated with the phases of the master axis of the electronic CAM;
• executing a CAM table generating program, to receive an input of a CAM definition variable that defines an electronic CAM operation to be realized through the motion control, and to generate a CAM table in which a CAM curve is arrayed corresponding to the input CAM definition variable;
• and
• storing the generated CAM table into the storage,
• wherein one cycle of a task schedule of the motion control includes a fixed-cycle task and a system service, the system service executed in a spare time other than the fixed-cycle task, and
• a timing of a calculation process by the CAM table generating program is assigned to the system service.