JP2898166B2 - Plant report processing system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plant form processing system for collecting, editing, and calculating plant data to create and store form data and outputting various forms in a plant monitoring and control system.

[0002]

2. Description of the Related Art FIG. 5 is a block diagram showing a plant form processing system in a conventional plant monitoring and control system. In the figure, 1 is a plant equipment monitored and controlled by the present system, 2 is a plant controller that performs various controls and monitoring of the plant equipment 1, and 3 is a CRT controller that monitors and controls the operation status of the plant online. Reference numerals 4 indicate monitor CRTs connected to the CRT controller 3. 12 is a form controller that collects, edits and stores plant data and creates and outputs various forms, 13 is a data file that stores and saves form data, 8 is a printer connected to a form processing device, and 9 is a monitor. CRT. Reference numeral 10 denotes an online control bus for exchanging data between the controllers. FIG. 6 is a functional block diagram of a conventional form processing apparatus.

Next, the operation of the conventional plant form processing system will be described with reference to FIGS. Various signals generated in the plant equipment 1 are input to the plant controller 2, the plant controller 2 performs various control processes and instrumentation control calculations, outputs control signals to the plant equipment 1, and monitors and controls plants required by other controllers. Data is transmitted and received via the online control bus 10. The form controller 12 collects plant data necessary for the form function from the online control bus 10.

The operation of the form controller 12 is shown in FIG.
It will be described according to the following. In the online control bus I / F (interface) processing 14, data input and state change of the input data are checked at a period of several hundred msec or less. In the one-minute data collection / editing process 15, basic data required for form creation is created as a minute data file 13a in one-minute cycles. Thereafter, hour data collection / calculation processing 16, day data collection / calculation processing 17, monthly data collection / calculation processing 18
The processing is performed at the respectively determined timing, and the hour data file 13b, the day data file 13c, and the month data file 13d are created. In the form display / correction processing 19, the form stored at any timing is displayed by the operator's operation, and input and correction of the form data are performed. In the form printing process 20, various forms such as a daily report, a monthly report, and an annual report are output to the printer 8 based on the collected, calculated, and accumulated form data.

[0005] Incidentally, as a document describing a technology related to such a conventional plant form processing system, for example, a catalog "Mitsubishi Sokki Instrument Control System MACTUS750" (Mitsubishi Electric Corp.) (August 1989) Create)
and so on.

[0006]

The conventional form processing apparatus is configured as described above, and all functions are realized by one form controller. For this reason, an increase in the CPU load due to competition between the online control bus I / F processing and the form calculation processing for performing a large amount of data processing may adversely affect the online control bus I / F processing that requires periodicity. Was. In addition, since form data must be centralized in one form controller, for example, if you want to create and save different form data for different departments and uses even in the same plant data, you need to use the same form There is a problem that the system construction lacks flexibility, such as the necessity of separately installing controllers.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has been made in consideration of an I / O communication with an online control bus.
An object of the present invention is to provide a plant form processing system that guarantees high speed and stability of / F and enables flexible system construction.

[0008]

According to a first aspect of the present invention, there is provided a plant form processing system comprising: a data server device connected to an online control bus for collecting and editing data from the plant; A form processing device that performs various form calculations using the transmitted data and creates and outputs a form using a form database that accumulates time-series data. The data server device and the form processing device are connected by a LAN. In addition, a plurality of the form processing devices are installed on the LAN, and the common data transmitted from the data server device is used to create / edit form data and output the form data for each form processing device according to the application. Is performed.

[0009]

According to the plant form processing system according to the first aspect of the present invention, the data server device is connected to the online control bus and collects and edits data from the plant. The form processing device performs various form calculations using the data transmitted from the data server device, and forms and outputs a form using a form database that stores time-series data. The LAN connects the data server device and the form processing device. Further, the LAN connects a plurality of form processing apparatuses, and the form processing apparatus uses common data transmitted from the data server apparatus to create and edit form data for each form processing apparatus according to its use, and to execute the form processing. Perform output.

[0010]

EXAMPLES Reference Example 1 FIG. Hereinafter, Embodiment 1 of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing a first embodiment. In the figure, 1
Reference numeral 2 denotes a plant equipment monitored and controlled by a plant monitoring and control system. Reference numeral 2 denotes a plant controller that performs various controls and monitoring on the plant equipment 1. Is a monitor CRT connected to the CRT controller 3. Reference numeral 5 denotes a data server device connected to an online control bus for collecting and editing plant data. 6 denotes a form for receiving the plant data collected and edited by the data server device, performing various forms of calculation and storage, and creating and outputting a form. An engineering workstation (EWS) which is a processing device. Reference numeral 7 denotes a form database that stores and accumulates form data, 8 denotes a printer connected to the form processing apparatus, and 9 denotes a monitor CRT. 10 is an online control bus for exchanging data between the controllers, 11 is a data server device 5 and a form processing device 6
Is a general-purpose LAN that connects FIG. 2 is a functional block diagram of the form processing apparatus of the present invention.

Next, the operation will be described. Various signals generated in the plant equipment 1 are input to the plant controller 2, the plant controller 2 performs various control processes and instrumentation control calculations, outputs control signals to the plant equipment 1, and monitors and controls plants required by other controllers. Data is transmitted and received via the online control bus 10. The data server device 5 collects plant data required for the form function from the online control bus 10.

Data server device 5 and form processing device 6
Will be described with reference to FIG. In the data server device 5, in the online control bus I / F processing 21, data input and state change of the input data are checked at a cycle of several hundred msec or less. In the one-minute data collection / editing process 22, basic data required for form creation is collected and edited in one-minute cycles, and is created as a minute data file 23.
The created minute data is transmitted to the general-purpose LAN 11
Is transmitted to the form processing device (EWS) 6 at regular intervals.

In the form processing device 6, the transmission processing 25
The minute data transmitted from the data server device is stored in the minute data file 7-1. Thereafter, the hour data collection / calculation processing 26, the day data collection / calculation processing 27, and the month data collection / calculation processing 28 are respectively performed at predetermined timings, and the hour data file 7-2 and the day data file 7 are processed.
(3) The data is stored in the month data file 7-4 to create the form database 7. In the form display / correction processing 29, the form stored at any time is displayed by the operation of the operator, and input and correction of form data are performed.
In the form printing process 30, various forms such as a daily report, a monthly report, and an annual report are output to the printer based on the collected, calculated, and accumulated form data.

Embodiment 1 FIG. Embodiment 1 of the present invention will be described below with reference to the drawings. FIG.
FIG. 1 is a block diagram showing a first embodiment. 3, the same parts as those in FIG. 1 are denoted by the same reference numerals, and description thereof will be omitted. In the figure, reference numerals 6a and 6b denote form processing devices (EWS) having their own form databases 7a and 7b, respectively, and include printer devices 8a and 8b, monitor CRT 9a,
9b.

In the plant report system configured as described above, the plant data collected and edited by the data server device 5 from the control bus 10 is simultaneously transmitted to the document processing devices 6a and 6b via the general-purpose LAN 11 as common data. Is done. The form processing devices 6a and 6b calculate and create their own form data, respectively,
a and 7b. This makes it possible to create a unique form for each form processing unit.

Reference Example 2 Hereinafter, Embodiment 2 of the present invention will be described with reference to the drawings. FIG.
FIG. 4 is a block diagram showing Reference Example 2. In FIG. 4, the same parts as those in FIG. In the figure, reference numerals 1a and 1b denote independent plant facilities, which are connected to different online control buses 10a and 10b via plant controllers 2a and 2b, respectively. Data server devices 5a and 5b are connected to different online control buses 10a and 10b, respectively, and are connected to a form processing device (EWS) 6 via a common general-purpose LAN 11.

In the plant form processing system configured as described above, data of different plant facilities are collected and edited by the data server devices 5a and 5b, respectively, and the general-purpose L
The data is transmitted to the form processing device (EWS) 6 via the AN 11, and the form processing device collectively manages both plant data, calculates and creates form data, and accumulates and stores the form data in the form database 7.

[0018]

According to the plant form processing system according to the first aspect of the present invention, a data server device connected to an online control bus for collecting and editing data from the plant, and a data server device transmitted from the data server device. A form processing device that performs various form calculations using data to be executed and creates and outputs a form using a form database that accumulates time-series data, and the data server device and the form processing device are connected via a LAN. This has the effect of guaranteeing the high-speed / stability of the I / F with the online control bus in the server device, and enabling a large amount of data to be handled as compared with the conventional device. In addition, the form processing apparatus uses a general-purpose EWS and is connected to a data server apparatus via a general-purpose LAN, thereby providing an effect that a system with expandability and flexibility can be constructed according to functions required for the form system.

Further, a plurality of the form processing devices are installed on the LAN, and using common data transmitted from the data server device, creation / editing of form data corresponding to each application for each form processing device. In addition, since the form output is performed, it is possible to create, accumulate, and accumulate and output original form data in different form processing apparatuses using plant data of the same plant.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a first embodiment of the present invention.

FIG. 2 is a functional block diagram according to a first embodiment of the present invention;

FIG. 3 is a block diagram showing a second embodiment of the present invention.

FIG. 4 is a block diagram showing a third embodiment of the present invention.

FIG. 5 is a block diagram of a conventional form processing system.

FIG. 6 is a functional block diagram of a conventional form processing system.

[Explanation of symbols]

1 plant equipment, 2 plant controller, 3 C
RT controller, 4 CRT, 5 data server device, 6 form processing device, 10 online control bus, 1
1 General-purpose LAN, 12 form controller.

Claims (1)

(57) [Claims] 1. A plant controller that performs sequence control and instrumentation control of a plant, and is connected to an online control bus that exchanges data between the controllers. In a plant form processing system having a function of creating and outputting a form, a data server device connected to the online control bus for collecting and editing data from the plant, and data transmitted from the data server device are used. A form processing device that performs various form calculations and creates and outputs a form by a form database that accumulates time-series data;
The data server device and the form processing device are connected via a LAN, and a plurality of the form processing devices are connected on the LAN.
Installed, and the common data transmitted from the data server
Form data for each form processing device according to the application.
A plant form processing system for creating and editing data and outputting forms.