JPS61210403A - Plant monitoring device - Google Patents

Abstract

PURPOSE:To display the same picture on a remotely arranged control panel and to facilitate the cooperative action between watchkeepers by being provided with the picture displaying control package group to convert the transfer picture data to the data suitable for the CRT display, at respective control panels. CONSTITUTION:When an abnormality occurs at the plant and the watchkeeper at the central control room transfers the picture for the watchkeeper at the auxiliary machinery room, the command selected by a control switch 29 of a control panel 24 is issued and the picture is transferred. The operation of the switch 29 is decoded by a computer 19, and at such a time, the picture data displayed at a CRT 18 are transmitted to a computer 6 together with an indicating message 36. The computer 6 fetches a picture data 33 and plant data 34 into a remote picture receiving buffer 37 and a remove data buffer 38, and after completion, a push-button lamp 27 lights up. When the light-up push-button is pushed at the auxiliary machinery room, a picture displaying control package group 39 fetches the data of the buffer 37 into a displaying data area 40, sets the plant data access package to a data access 2, starts a picture data translation package 42 and displays the picture.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a plant monitoring device that performs distributed monitoring of a plant using a plurality of display devices and a computer.

[Conventional technology]

FIG. 5 is a block diagram showing an example of a conventional plant monitoring device, in which (11, (21, (3), (4)
are the subsystems A and B of the plant to be monitored, respectively.

C, D, +51, +61U, respectively, these subsystems A[1), B (21, C(3), D
(4) An electronic computer that performs predetermined data processing on the data from (71, +81 are each this electronic computer +5
1. A control panel for controlling or monitoring the input signal from (6), e), α0° (11),
(12), C-1, 7) is a display device (hereinafter abbreviated as CRT) that displays monitoring data.

In the conventional device shown in FIG. 5, subsystems AC11,
B [21, C (31 is connected to computer A (5), subsystem D (4) is connected to computer B (6), CRT
1 +91.

CRT 2 (10), CRT 3 (11) groups and CRT 4 (12).

CRT 5 (In each of the 13 groups, the corresponding CRT
A dedicated monitoring screen is displayed.

[Problem that the invention seeks to solve]

As mentioned above, in conventional equipment, the screens that can be displayed on each CRT are fixed, so if an abnormality occurs in the plant, the control panel A +71 (for example, the control panel installed in the central control room of a power plant) ) watch equipment and control panel B
18) There are cases where the on-duty equipment (for example, a control panel installed in the auxiliary equipment room of a power generation plant) cannot view the same monitoring screen at the same time, and communication and cooperative operations are not carried out smoothly. There was a point.

This invention was made to solve the above-mentioned problems, and provides a plant monitoring device that can display the same screen on control panels located at remote locations when necessary. It is intended to.

[Means for solving problems]

In this invention, a plurality of distributed computer systems are interconnected by a dataway, a friend control switch for transferring screen data is installed on each control panel, and the transferred screen data is transferred to a CRT. Each control panel is equipped with a group of screen display control packages (a package refers to a program (software) package) for converting data into data suitable for display.

[Effect]

Screen display information transferred to the destination CRT via the dataway by operating a control switch provided on the control panel is converted by the screen display control package group and displayed on the destination CRT.

〔Example〕

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing one embodiment of the present invention.
The same reference numerals as in the figures indicate the same or equivalent parts.

(14), (15), (16), (17)
, (18) are CRT6 and 7, respectively.
, 8, 9, 1G, (19), (2G
), (21), (22) are calculators, (23),
(24) are each control panel.

(zs)tit data way, (50) is each subsystem A(1), B(2), Ct3), D(
The data from 41 is sent to each computer via the dataway (25) +61, (-19) t (20), (2
1).

(22) is a host computer distributed to C
RT 1 t9), 2 (10), 3 (11), 6
(14) and 7 (15) is the next control panel.

FIG. 2 is a block diagram showing a part of the apparatus shown in FIG. 1 in more detail; the same reference numerals as in FIG. 1 indicate the same parts;
26), (27), and (28) are push button lamps, and when this push button lamp is lit, it means that the screen has been transferred from another CRT, and this lamp is lit. When a push button is pressed, a transfer screen can be displayed on the CRT corresponding to the push button.

(29), (30), and (31) are the next control switches that control screen transfer.The details will be described later in connection with FIG. 4.

FIG. 3 is a block diagram showing the relationship between processing blocks provided in the control panel (8) for displaying screen information on a CRT. In the figure, the same symbols as in FIG. 2 indicate the same parts, and (
32), (33), and (34) are transfer information, and as shown in Figure 3, the data sequence for screen transfer is divided into instruction message (32), % screen data (33), and plant data (34). (25). (35) is a remote screen reception flag for controlling the on/off of the push button lamp (27), (36) is an instruction message decoding package for decoding the instruction message (32), (37) and (38) are A buffer for temporarily storing screen data (33) and plant data (34), respectively, and (39) a screen display control package group that converts transferred screen information into a data format suitable for CRT display based on the information. , the screen display control package group includes a display data area (40), a plant data access package (41), and a screen data translation package (
42) is included. (43) is real-time plant data.

In the plant monitoring device configured as shown in Fig. 1,
When an abnormality occurs in the plant and the duty equipment in the central control room transfers the screen to the duty equipment in the auxiliary equipment room as shown in Figure 2,
The screen is transferred by giving the selected command using the control switch (29) on the control panel (24). The control switch (29) is provided with control points similar to those represented as the control switch (30) in FIG. 4, and the operation of this control switch (29) is decoded by the computer (19). , at that point CRTIO
The screen data displayed at (18) is transmitted to the computer (6) together with an instruction message (32).

The calculator (6) is the instruction message decoding package (36)
to decode the instruction message and set the remote screen reception flag (
35) has been reset, the screen data (33) and plant data (34) are temporarily loaded into the remote screen reception buffer (37) and remote data buffer (38),
When this data import is completed, the computer (6) will press the button lamp (27) or () according to the contents of the instruction message.
28')' lights up.

If the push button lamp of the duty tool in the auxiliary equipment room lights up, press the push button. In response to the signal from this push button, the screen display control package group (39) of the computer (6) imports the data from the remote screen reception buffer (37) into the display data area (40), and the plant data access package (41) t data access 2 (remote data buffer (38) capture mode) and start the screen data translation package (42). As described above, the screen displayed on the CRTIO (18) in FIG. 2 is displayed on the CRT4 (12).

Since the operation is as described above, the screen displayed on the CRT 4 (12) is the data at the time when the control switch (k) was operated in the central control room, and is not updated even if time passes. When you want to know the latest data, operate the control switch (30) and set the plant data access package (41)' to real-time plant data (8) import mode, and the latest information will be displayed.

In the above embodiment, a case was explained in which information was exchanged between control panels located at remote locations, but the present invention can also be applied to information exchange between control panels located close to each other.

In addition, if you store your own station's screen data and plant data in the remote screen reception buffer and remote data buffer in your own station's computer, and send instruction messages to your own station, you can retain past data. It is also possible to memorize the screen.

〔Effect of the invention〕

As described above, according to the present invention, the duty tool of any control panel can display the same screen currently displayed on the CRT on the control panel on any other CRT, Communication and cooperation between on-duty equipment is facilitated.

[Brief explanation of drawings]

Fig. 1 is a block diagram showing one embodiment of the present invention, Fig. 2 is a block diagram showing a part of the device shown in Fig. 1 in more detail, and Fig. 3 is a block diagram showing a part of the device shown in Fig. #L2 in the control panel. FIG. 4 is an explanatory diagram showing the control switches of FIG. 2. In these figures, (6) and (19) are the computers, (8) and (24) are the control panels, and (12) and (1
3). (18) Vi CRT4, 5.10. (2
5) is a data way, (26), (71), (
28) are push button lamps, (29) and (30) respectively.
, (31) Vi each control switch,
(32) is an instruction message. (33) is screen data, (34) is plant data, (
35) is a remote screen reception flag, (36) is an instruction message decoding package, (37) is a remote screen reception buffer,
(38) f'i remote data buffer, (39) screen display control package group, (40) tlj display data area, (41) H plant data access package,
(42) is a screen data translation package. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims (1)

[Scope of Claim] A plant monitoring device that displays the operational status of a plurality of subsystems that can be integrated as a single plant on a plurality of display devices under the control of a plurality of computers, comprising: A data highway provided to enable data transmission between computers, provided corresponding to each display device of the plurality of display devices,
A control switch that inputs a signal specifying a transfer destination display device to which the screen data currently displayed on the display device should be transferred to the computer to which the display device belongs, and a control switch that receives signals from this control switch. A means for editing instruction messages, screen data, and plant data in a computer and transmitting the edited data to the data highway; and means provided in each of the computers to decipher the instruction messages on the data highway, and a display device belonging to the computer to transmit the edited data to the data highway. If specified as a display device, the screen data following the instruction message, an instruction message decoding package that controls the import of plant data into the computer, and the screen data and plant data provided in each of the above computers and imported into the computer. A remote screen reception buffer and a remote data buffer that temporarily store the above screen data and plant data, respectively, a remote screen reception flag indicating that the screen data and the plant data are stored in the remote screen reception buffer and the remote data buffer, and the settings of this flag are transferred to the above destination. A push button lamp is displayed on the display device, and a screen display control package group is activated by an input signal from the operation of the push button when the push button lamp is lit, and this screen display control package group is connected to the remote screen reception buffer. The screen data translation package includes a group of screen data translation packages that transfers the contents of the display data area to a display data area and converts the stored contents of the display data area into a data format suitable for displaying on the destination display device according to the contents of the remote data buffer. A plant monitoring device featuring: