JPS6339753A - Display unit for numerical control device - Google Patents

Abstract

PURPOSE:To enable an interface signal to be diagnosed in a short time, by providing a character generator, which stores a character pattern in memory, and a character generator which stores a graphic pattern in memory. CONSTITUTION:If a character code, determined by a standard of EIA, ISO, etc., is synchronously transmitted with a synchronous signal of a scanning line control part 4, a buffer register 1 stores this character code successively in memory. Subsequently, when the buffer register 1 stores the character code in memory, a character generator 2 selects a dot matrix pattern, corresponding to the character code, synchronously with the synchronous signal of the scanning line control part 4 to be output to a display unit 3. On the contrary, when the buffer register 1 stores a graphic code in memory, a character generator 5 selects a graphic pattern, corresponding to the graphic code, synchronously with the synchronous signal of the scanning line control part 4 to be output to the display unit 3.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a display device for a numerical control device that clearly displays the operating state of a machine tool driven and controlled by the numerical control device.

[Prior Art] Fig. 4 shows a conventional display device for a numerical control device that displays the operating state of a machine tool driven and controlled by a numerical control device, that is, the state of an interface signal between the numerical control device and the machine tool. It is a schematic diagram.

In Figure 4, (1) is X, Y, ..., 0.1.2
, etc. (hereinafter referred to as characters, etc.) A buffer register that stores character codes corresponding to characters and numbers (hereinafter referred to as characters, etc.), (2)
stores a dot matrix pattern consisting of m rows x n columns (m and n are positive integers, for example, m = 7, n = 9) corresponding to each character code, and the buffer register (1)
A character generator (4) displays characters corresponding to the character codes stored in the character code on the display screen of a display device (3) such as a CRT. This is the specified scanning line control unit.

Next, the operation of a conventional display device for a numerical control device will be explained. First, buffer register (1) is EIA or 1
The character code specified by the standard such as 50 is used in the scanning line control section (
When they are sequentially transmitted in synchronization with the synchronization signal of 4), they are stored sequentially. Next, the character generator (2
) reads character codes sequentially from the buffer register (1) in synchronization with the synchronization signal of the scanning line control unit (4), sequentially selects dot matrix patterns corresponding to the read character codes, and displays them on the display device (3). Once output, the display device (3) sequentially displays them at positions specified by the scanning line control section (4).

FIG. 5 is a diagram showing an example of the display screen of the display device (3). As shown in FIG. 5, the display screen of the display device (3) shows the numbers of interface signals between the numerical control device and the machine tool, X001%X0O2, X003, X004,
X005, YOOI, X002, X003, X004
, X005 and the state of each interface signal "0" or "1" are displayed. "Oj" and "1" represent "inactive state" and "active state", respectively. For example, interface signals X0O2, YOOI, etc. represent an "inactive state", and interface signals X001, X002, etc. represent an "active state".

[Problems to be Solved by the Invention] By the way, the conventional display device for a numerical control device having the above configuration only displays the status of the interface signal between the numerical control device and the machine tool using characters. There was a problem in that it was difficult to intuitively understand the state of the interface signal just by looking at it.

The present invention has been made to solve the above problems,
An object of the present invention is to provide a display device for a numerical control device that graphically displays the status of an interface signal.

[Means for Solving the Problems] Therefore, the present invention provides a buffer register that stores character codes, a character generator that stores character patterns corresponding to the character codes, and displays the character patterns output by the character generator. A display device for a numerical control device comprising a display means and a scanning line control section for specifying a position on a display screen of the display means to display a character pattern, and a display device for a numerical control device storing a predetermined graphic pattern. A character generator is added to configure a display device for a numerical control device.

[Function] When the buffer register outputs a graphic code corresponding to a graphic pattern stored in a character generator for graphic display, the display device for a numerical control device having the above configuration outputs a graphic pattern corresponding to this graphic code. The display means displays the state of the interface signal by means of a graphic pattern.

[Example] Hereinafter, an example of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram of a display device for a numerical control device according to the present invention. In Figure 1, (1) is X, Y,...
, 0.1.2, etc., and a buffer register that stores graphic codes corresponding to predetermined graphic patterns; (2) stores dot matrix patterns corresponding to each character code; A character generator (5) displays a character corresponding to the character code stored in a buffer register (1) on the display screen of a display device (3) such as a CRT, and a character generator (5) stores a predetermined graphic pattern. (4) is a display device (
3) Character generator (2) to the specified position
Characters etc. output from the character generator (5
) is a scanning line control unit that displays a graphic pattern output from a computer.

FIG. 2 is a diagram showing an example of a graph ink pattern stored in the character generator (5). Figure 2 (
a) (b) (c) (d) and (e) are the input signal in the "inactive state", the human input signal in the "active state", and the output signal in the "inactive state", respectively. , which indicates the output signal in the "active state" and the connector bin number of the cable connecting the numerical control device and the machine tool. Also, Fig. 2 (f), (Lu), (h), (i
) and (j) indicate supplementary graphic patterns.

Next, the operation of the display device for a numerical control device according to the present invention will be explained. First, buffer register (1) is EIA
, When character codes defined by standards such as ISO are transmitted in synchronization with the synchronization signal of the scanning line control section (4), they are sequentially stored. Next, when the buffer register (1) stores the character code, the character generator (2) stores the character code;
When placing a character code or q), select a dot matrix pattern or a graphic pattern corresponding to the character code or graphic code in synchronization with the synchronization signal of the character generator (5) or the scanning line control unit (4). and outputs it to the display device (3). The display device (3) displays the dot matrix pattern or graphic pattern output by the character generators (2) and (5).

FIG. 3 is a diagram showing an example of the display screen of the display device (3). As shown in Fig. 5, the display screen of the display device (3) shows the name CMDIO1CMDIl of the interface signal cable between the numerical control device and the machine tool, and the name of the interface signal cable between the numerical control device and the machine tool. Numbers x001 to x005, YOOI to Y005, and connector bin number 1.2.3.4.5.6 are displayed in characters.

Furthermore, the status of the interface signals between the numerical control device and the machine tool is graphically displayed. For example, interface signal (human power) Xo(11~X(1
03, XOQδ, interface signal (output) YO
It can be clearly seen at a glance that O1 to YOO5 are in an "inactive state", and interface signals (input) X0O4, X0O5, and interface signal (output) YOO6 are in an "active state".

[Effects of the Invention] As explained above, according to the present invention, a character generator that stores graphic patterns is added in addition to a character generator that stores character patterns, and the communication between a numerical control device and a machine tool is improved. Since the interface signal status is displayed in a graphic pattern, you can intuitively understand the interface signal status.
This has the effect that the state of the interface signal can be diagnosed in a shorter time than in the past.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a display device for a numerical control device according to the present invention, FIG. 2 is an explanatory diagram of a graphic pattern stored in the character generator shown in FIG. 1, and FIG. 3 is a diagram showing the graphic pattern shown in FIG. 4 is a block diagram of a conventional display device for a numerical control device, and FIG. 5 is an illustration of a graphic pattern display of the numerical control device display device M shown in FIG. It is an explanatory diagram of character pattern display. In each figure, 1 is a buffer register, 2 is a character generator for character display, 3 is a display device, 4 is a scanning line control section, and 5 is a character generator for graphic display. Note that the same reference numerals in each figure indicate the same or corresponding parts. Agent Patent Attorney Masaru Sato Figure 2 (a) () (f) m (b) + (9)'' (C) (h)1 (d) lto (i) - (e) + ( j) --- Figure 3

Claims (2)

[Claims] (1) A buffer register that stores a character code, a character generator that stores a character pattern corresponding to the character code, a display means that displays the character pattern output by the character generator, and a display means that displays the character pattern. and a scanning line control section for specifying the position of the display means on the display screen to display the state of the interface signal between the numerical control device and the machine tool driven and controlled by the numerical control device using the character pattern. A display device for a numerical control device includes a character generator for graphic display that stores a predetermined graphic pattern, and when a graphic code corresponding to the graphic pattern is stored in the buffer register, the state of the interface signal A display device for a numerical control device, characterized in that the following is displayed on a display screen of the display means using the graphic pattern. (2) A display device for a numerical control device according to claim 1, wherein the display means displays the state of the interface signal using the character pattern and the graphic pattern.