JPS62136689A - Crt screen display system - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention [Technical Field of the Invention] The present invention relates to a CRT screen display system, particularly a CRT screen display system that displays a screen for continuously monitoring a certain object, such as plant monitoring.
This relates to the RT screen display method.

[Technical Background of the Invention 1 A screen for continuously monitoring a certain object must reflect the latest status of that object on the screen. In order to reflect the latest status on the screen, the screen display update cycle should be made as short as possible. However, it is impossible to make the update cycle infinitely short, and in fact C
The display speed to RT becomes the limit value of the update cycle. The shorter the update period, the more the display processing load on the computer increases. Therefore, in reality, depending on the characteristics of the screen or the location of the CRT used to display the screen (for example, in a remote location), a certain amount of An update cycle was set.

[Problems with the Background Art] In the conventional method described above, the update cycle once set cannot be easily changed by the operator, and therefore, when a short update cycle is not required (for example, when the operator is away from his/her seat,
There was a tendency for an unnecessary load to be placed on the computer even when a steady state continued).

On the other hand, even if you want to capture very subtle changes, there is a drawback that you cannot capture them because the update cycle cannot be changed.

[Object of the Invention 1] The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a CNR screen display method that can change the display update cycle.

[Summary of the Invention] In the present invention, a display update cycle setting means is added to the conventional CRT screen display method, and the display update cycle of the screen being displayed can be changed to the CRT screen display method.
It is designed so that it can be changed for each display device.

[Embodiments of the invention] Examples will be described below with reference to the drawings.

FIG. 1 is a functional block diagram illustrating a CRT screen display method according to the present invention. In FIG. 1, 1 is plant information, and 2 is a display information database into which the plant information 1 is input, and also includes fixed information for the screen. 3 is a display unit that displays screen data of the display information database 2 on the CR1 display 4;

5 is a display request unit that requests a new screen display 6 and a state change signal 9
Enter . Reference numeral 7 denotes an update cycle data section in which set values are input. Reference numeral 8 denotes an update cycle setting section which is either a slide type or a dial type.

Next, the effect will be explained.

Changes in the state of the plant information 1 are reflected in real time as variable data in the display information database 2, and displayed on the display section 3.
The screen data of the display information database 2 is CR1
Display on display 4.

The display request unit 5 inputs a new screen display request 6 and transmits the request to the display unit 3. Furthermore, the display requesting section 5 has an internal clock, and accumulates the elapsed time after the screen is displayed, and when this accumulated time becomes equal to the setting value of the update cycle data section 7, the display is updated on the display section 3. make a request.

The update cycle setting unit 8 can thereby change the screen cycle.

When changing the display cycle of the screen, set the cycle using the slide type or dial type setting device in the update cycle setting section, and this will be reflected as the update cycle in the update cycle data section 7, and the update cycle setting section 8 When there is a change in the state, a state change signal 9 is input to the display request section 5, and the screen display field is updated.

That is, the state change signal 9 is input in order to promptly reflect a change in the set value in the display update process, and thereafter the screen is updated at the updated cycle.

As described above, according to this embodiment, a CRT screen display system in which the display update cycle can be changed can be realized.

FIG. 2 is a configuration diagram of another embodiment of update period setting according to the present invention. In this embodiment, the update period is set using a CRT screen. And the second
In Figure (a), an update cycle setting area 11 is provided in a part of a CRT display screen 10, and updates are to be performed manually using keys from a keyboard.

Further, in FIG. 2(b), an update period setting point 12 is provided in a part of the same CRT display screen 10, and the update period setting point 12 is set using a light rail, a joystick, or a trackball mouse.

[Effects of the Invention] As explained above, according to the present invention, since the display update cycle can be easily changed, more appropriate monitoring can be performed depending on the operating status of the system, the status of the plant, the load status of the computer, etc. I can do it.

[Brief explanation of drawings]

FIG. 1 is a functional block diagram of one embodiment of a CRT screen display method according to the present invention, and FIG. 2 is a CRT display screen diagram of another embodiment of the present invention. 1... Plant information 2... Display information database 3... Display unit 4... CR1 display 5.
...Display request section 6...New screen display request 7.
...Update cycle data section 8...Update cycle setting section 9.
...State change signal 10...CR7 display screen 11
...Update cycle setting area (key manual use) (12.
・・Update cycle setting point (for light ben, joystick, trackball mouse input)

Claims (1)

[Claims] C to update the monitoring screen displayed on the CRT display device
A CRT screen display method, which is characterized in that a display update cycle setting means is provided to change the display update cycle from the outside.