Data processing: generic control systems or specific application – Generic control system – apparatus or process – Supervisory control
Reexamination Certificate
1996-10-22
2001-12-25
Von Buhr, Maria N. (Department: 2171)
Data processing: generic control systems or specific application
Generic control system, apparatus or process
Supervisory control
C712S037000, C700S083000
Reexamination Certificate
active
06334075
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a data processing apparatus for acquiring via a communication line, data saved by a control appliance having a storage apparatus such as a plurality of programmable logic controllers (hereinafter referred to as a “PLC”) and programmable controllers (hereinafter referred to as a “PC”) connected to each other, and for storage, acquiring, and writing the data in useful formats.
2. Description of the Related Art
FIG. 44
is a block diagram for showing an arrangement of a conventional data acquiring/storing apparatus. In this drawing, reference numeral
1
shows a control apparatus for controlling an appliance connected thereto. To this control apparatus
1
, a CRT
2
functioning as a display unit, a keyboard
3
functioning as an input unit, and a control appliance
4
containing a plurality of PLCs and a plurality of PCs are connected.
Within the controller
1
, there are provided a CPU
11
for executing a user program, a memory
12
for storing a user application program, an auxiliary storage unit
13
having a database formatted storage file
131
for storing data acquired from the control appliance
4
, an interface
141
for interfacing to the CRT
2
, another interface
142
for interfacing to the keyboard
3
, and also a further interface
143
for interfacing to the control appliance
4
.
The conventional data acquiring/storing apparatus is arranged in the above-described manner. In this data acquiring/storing apparatus, for instance, the database formatted storage file
131
is formed inside the auxiliary storage unit
13
in accordance with the user application program formed by the user himself, and then the data acquired from the control appliance
4
is stored into this storage file
131
.
The conventional data processing apparatus is arranged as described above, and the user himself must produce the user application program in order to form the storage file for storing therein the necessary data acquired from the control appliance. Therefore, this user programming work would require huge amounts of workload, time; and knowledge, so that the efficiency of programming work would be lowered, but also a large amount of workload would be required to correct the user application program. A similar heavy workload is required to produce such programs, i.e., setting of conditions used to acquire the data from the control appliance, and setting of the production instruction to the control appliance, and also to form a descriptive file used to store write data to be written into the control appliance. No one can readily perform this work.
Also, in order that the data acquired from the control appliance is made as a suitable data format for the user, a further fine setting work should be carried out, resulting in a further heavy workload.
Moreover, as to setting of the data transmission between the control appliance and the data processing apparatus, this setting work cannot be easily performed by the user.
In such a case that a plurality of control appliances are connected to the data processing apparatus while transmitting the data, there is another problem that this data transmission would require a large amount of time.
Also, even when the end request for notifying the end of data processing is inputted, this data processing apparatus does not execute the end processing in response to this end request unless predetermined waiting time has passed. Accordingly, the response characteristic to the end request would be deteriorated.
SUMMARY OF THE INVENTION
The present invention has been made to solve the above-described problems, and therefore, a primary object thereof to provide a data processing apparatus capable of readily setting a data processing operation by a user himself.
A secondary object of the present invention is to provide a data processing apparatus capable of storing therein data acquired from a control appliance in an easy-usable format without reprocessing this data.
Furthermore, a third object of the present invention is to provide a data processing apparatus capable of reaching the number of data to be transmitted between the control appliance and the data processing apparatus.
In addition, a fourth object of the present invention is to provide a data processing apparatus capable of having a better response characteristic to an end request.
A data processing apparatus, according to the present invention, comprises: storage format setting means for setting a storage format in an interactive manner in order to store acquisition data in an arbitrary format, acquired from a control appliance connected thereto; storage file forming means for forming a storage file used to store said acquisition data based upon the storage format set by this storage format setting means; and storage means for storing the acquisition data acquired from said control appliance in the storage file formed by this storage file forming means in accordance with the storage format set by said storage format setting means.
Also, a storage processing apparatus of the invention comprises: descriptive format setting means for setting a descriptive format in an interactive manner in order to store acquisition data in an arbitrary format acquired from a control appliance connected thereto; descriptive file forming means for forming a descriptive file based upon the descriptive format set by this descriptive format setting means; and write means for writing write data to said control means into the descriptive file formed by this descriptive file forming means.
One of the storage means and the write means processes the acquisition data acquired from the control appliance, or the write data to be written into the control appliance in a preselected format by employing a designated condition formula, and thereafter stores or describes the processed data.
One of the acquisition data acquired from the connected control appliance and the write data for the connected control appliance is simultaneously set by the storage format setting means or the descriptive format setting means.
Also, another data processing apparatus of the invention comprises: acquisition data setting means for setting a condition used to acquire acquisition data from a control appliance connected thereto; and data acquiring means for acquiring the acquisition data from said control appliance based upon the condition set by this acquisition data setting means.
The acquisition data acquired from the control appliance by the data acquiring means is compared with predetermined monitor comparison data to thereby store a history when said acquisition data is coincident with said monitor comparison data.
Further, the data processing apparatus of the invention comprises: a production instruction data file for storing therein production instruction data on which processing conditions for each of products manufactured by the connected control appliance have been described; comparing means for comparing a specific item of the production instruction data stored in this production instruction data file with the acquisition data acquired from the control appliance; and production instructing means for instructing said control appliance to start a production when said comparing means judges that said acquisition data corresponds to the specific item of said production instruction data based upon said production instruction data corresponding to said acquisition data.
Also, the data processing apparatus of the invention comprises editing means for editing the condition data for the data acquisition set so as to acquire the acquisition data from the connected control appliance in unit of said connected control appliance.
The acquisition data acquired every control appliance are restored in correspondence with the conditions set by said acquisition data setting means.
Also, the data processing apparatus of the invention comprises: a waiting time registering unit for registering therein waiting time in order to interrupt a data processing operation; and an end req
Aisaka Emi
Harada Teruyuki
Hirata Masahiro
Ikeno Tatsuhiro
Kawamura Haruki
Mitsubishi Denki & Kabushiki Kaisha
Sughrue & Mion, PLLC
Von Buhr Maria N.
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