System, method and program for supervisory control

A supervisory control system comprising:

• a supervisory control target device for which attributes to be subjected to supervisory control are defined in association with an existing function of the supervisory control target device;
• and
• a supervisory control device by which the attributes of the supervisory control target device that are to be subjected to supervisory control are retained as attributes of an instance associated with the supervisory control target device;
• wherein:
• the supervisory control device is configured such that when a function is added to the supervisory control target device, an attribute usage flag that indicates whether the supervisory control device supports any changes in the attributes due to the addition of the function, and an attribute effectiveness flag which, as information to which is assigned a value read out from the supervisory control target device, indicates whether the supervisory control target device supports the changes, are added, as information concerning the attributes that undergo the changes, to a definition of the instance which the supervisory control device retains;
• and
• the supervisory control device includes control means for, on the basis of data of the attribute usage flag and attribute effectiveness flag relating to the attributes undergoing the changes due to the addition of the function, determining at least one of whether the supervisory control target device supports the new function and whether supervisory control based upon the new function is effective for the attributes undergoing the changes due to the addition of the function.

A supervisory control system comprising:

• a supervisory control target device for which attributes to be subjected to supervisory control are defined in association with an existing function of the supervisory control target device;
• and
• a supervisory control device by which the attributes of the supervisory control target device that are to be subjected to supervisory control are retained as attributes of an instance associated with the supervisory control target device;
• wherein:
• the supervisory control target device is configured such that when a function is added, an attribute usage flag which, as information assigned by the supervisory control device, indicates whether the supervisory control device supports any changes in the attributes due to the addition of the function, and an attribute effectiveness flag that indicates whether the supervisory control target device supports the changes, are added, as information concerning the attributes that undergo the changes, to a definition of attribute information in the supervisory control target device;
• and
• the supervisory control target device includes a control unit which, on the basis of data of the attribute usage flag and attribute effectiveness flag relating to the attributes that undergo the changes due to the addition of the function, determines at least one of whether the supervisory control device supports the new function and whether supervisory control based upon the new function is effective for the attributes undergoing the changes due to the addition of the function.

A supervisory control system comprising:

• a supervisory control target device for which attributes to be subjected to supervisory control are defined in association with an existing function of the supervisory control target device;
• and
• a supervisory control device by which the attributes of the supervisory control target device that are to be subjected to supervisory control are retained as attributes of an instance associated with the supervisory control target device;
• wherein:
• the supervisory control target device is configured such that when a function is added, an attribute usage flag which, as information assigned by the supervisory control device, indicates whether the supervisory control device supports any changes in the attributes due to the addition of the function, and an attribute effectiveness flag that indicates whether the supervisory control target device supports the changes, are added, as information concerning the attributes that undergo the changes, to a definition of attribute information in the supervisory control target device;
• and
• the supervisory control target device includes control means for, on the basis of data of the attribute usage flag and attribute effectiveness flag relating to the attributes that undergo the changes due to the addition of the function, determining at least one of whether the supervisory control device supports the new function and whether supervisory control based upon the new function is effective for the attributes undergoing the changes due to the addition of the function.

A supervisory control system comprising:

• a supervisory control target device for which attributes to be subjected to supervisory control are defined in association with an existing function of the supervisory control target device;
• and
• a supervisory control device by which the attributes of the supervisory control target device that are to be subjected to supervisory control are retained as attributes of an instance associated with the supervisory control target device;
• wherein:
• the supervisory control device is configured such that when a function is added to the supervisory control target device, an attribute usage flag that indicates whether the supervisory control device supports any changes in the attributes due to the addition of the function, and an attribute effectiveness flag which, as information to which is assigned a value read out from the supervisory control target device, indicates whether the supervisory control target device supports the changes, are added, as information concerning the attributes that undergo the changes, to a definition of the instance which the supervisory control device retains;
• the supervisory control device includes a control unit which, on the basis of data of the attribute usage flag and attribute effectiveness flag relating to the attributes undergoing the changes due to the addition of the function, determines at least one of whether the supervisory control target device supports the new function and whether supervisory control based upon the new function is effective for the attributes undergoing the changes due to the addition of the function;
• the supervisory control target device is configured such that when a function is added, an attribute usage flag which, as information assigned by the supervisory control device, indicates whether the supervisory control device supports any changes in the attributes due to the addition of the function, and an attribute effectiveness flag that indicates whether the supervisory control target device supports the changes, are added, as information concerning the attributes that undergo the changes, to a definition of attribute information in the supervisory control target device;
• and
• the supervisory control target device includes a control unit which, on the basis of data of the attribute usage flag and attribute effectiveness flag relating to the attributes that undergo the changes due to the addition of the function, determines at least one of whether the supervisory control device supports the new function and whether supervisory control based upon the new function is effective for the attributes undergoing the changes due to the addition of the function.

A supervisory control system comprising:

• a supervisory control target device for which attributes to be subjected to supervisory control are defined in association with an existing function of the supervisory control target device;
• and
• a supervisory control device by which the attributes of the supervisory control target device that are to be subjected to supervisory control are retained as attributes of an instance associated with the supervisory control target device;
• wherein:
• the supervisory control device is configured such that when a function is added to the supervisory control target device, an attribute usage flag that indicates whether the supervisory control device supports any changes in the attributes due to the addition of the function, and an attribute effectiveness flag which, as information to which is assigned a value read out from the supervisory control target device, indicates whether the supervisory control target device supports the changes, are added, as information concerning the attributes that undergo the changes, to a definition of the instance which the supervisory control device retains;
• the supervisory control device includes control means for, on the basis of data of the attribute usage flag and attribute effectiveness flag relating to the attributes undergoing the changes due to the addition of the function, determining at least one of whether the supervisory control target device supports the new function and whether supervisory control based upon the new function is effective for the attributes undergoing the changes due to the addition of the function;
• the supervisory control target device is configured such that when a function is added, an attribute usage flag which, as information assigned by the supervisory control device, indicates whether the supervisory control device supports any changes in the attributes due to the addition of the function, and an attribute effectiveness flag that indicates whether the supervisory control target device supports the changes, are added, as information concerning the attributes that undergo the changes, to a definition of attribute information in the supervisory control target device;
• and
• the supervisory control target device includes control means for, on the basis of data of the attribute usage flag and attribute effectiveness flag relating to the attributes that undergo the changes due to the addition of the function, determining at least one of whether the supervisory control device supports the new function and whether supervisory control based upon the new function is effective for the attributes undergoing the changes due to the addition of the function.

A method of supervisory control conducted between a supervisory control target device and a supervisory control device, both having a master-slave relationship,

• wherein:
• the supervisory control device retaining the supervisory control target attributes which is defined in association with an existing function of the supervisory control target device as attributes of an instance associated with the supervisory control target device is configured such that when a function is added to the supervisory control target device, an attribute usage flag that indicates whether the supervisory control device supports any changes in the attributes due to the addition of the function, and an attribute effectiveness flag that, as information to which is assigned a value read out from the supervisory control target device, indicates whether the supervisory control target device supports the changes, are added, as information relating to the attributes that undergo the changes, to a definition of the instance in the supervisory control device;
• and
• on the basis of the attribute usage flag and attribute effectiveness flag data relating to the attributes that undergo the changes due to the addition of the function, the supervisory control device determines at least one of whether the supervisory control target device supports the new function and whether supervisory control based upon the new function is effective for the attributes undergoing the changes due to the addition of the function.

A method of supervisory control conducted between a supervisory control target device and a supervisory control device, both having a master-slave relationship,

• wherein:
• the supervisory control target device for which attributes to be subjected to supervisory control are defined in association with an existing function of the supervisory control target device is configured such that when a function is added, an attribute usage flag which, as information assigned by the supervisory control device, indicates whether the supervisory control device supports any changes in the attributes due to the addition of the function, and an attribute effectiveness flag that indicates whether the supervisory control target device supports the changes, are added, as information concerning the attributes that undergo the changes, to a definition of attribute information in the supervisory control target device;
• and
• on the basis of data of the attribute usage flag and attribute effectiveness flag relating to the attributes that undergo the changes due to the addition of the function, the supervisory control target device determines at least one of whether the supervisory control device supports the new function and whether supervisory control based upon the new function is effective for the attributes undergoing the changes due to the addition of the function.

A program for supervisory control conducted between a supervisory control target device for which attributes to be subjected to supervisory control are defined in association with an existing function of the supervisory control target device, and a supervisory control device retaining the supervisory control target attributes of the supervisory control target device as attributes of an instance associated with the supervisory control target device,

• wherein:
• in accordance with the supervisory control program applied to the supervisory control device, a computer in which, when a function is added to the supervisory control target device, an attribute usage flag that indicates whether the supervisory control device supports any changes in the attributes due to addition of a function, and an attribute effectiveness flag that, as information to which is assigned a value read out from the supervisory control target device, indicates whether the supervisory control target device supports the changes are added, as information relating to the attributes that undergo the changes, to a definition of the instance, executes the process of checking the attribute usage flag and attribute effectiveness flag data concerning the attributes that undergo the changes due to the addition of the function, and then determining at least one of whether the supervisory control target device supports the new function and whether supervisory control based upon the new function is effective for the attributes undergoing the changes due to the addition of the function.

A program for supervisory control conducted between a supervisory control target device for which attributes to be subjected to supervisory control are defined in association with an existing function of the supervisory control target device, and a supervisory control device retaining the supervisory control target attributes of the supervisory control target device as attributes of an instance associated with the supervisory control target device,

• wherein:
• in accordance with the supervisory control program applied to the supervisory control target device, a computer in which, when a function is added, an attribute usage flag that, as information assigned by the supervisory control device, indicates whether the supervisory control device supports any changes in the attributes due to addition of a function, and an attribute effectiveness flag that indicates whether the supervisory control target device supports the changes are added, as information relating to the attributes that undergo the changes, to a definition of the information concerning the attributes, executes the process of checking the attribute usage flag and attribute effectiveness flag data concerning the attributes that undergo the changes due to the addition of the function, and then determining at least one of whether the supervisory control device supports the new function and whether supervisory control based upon the new function is effective for the attributes undergoing the changes due to the addition of the function.