JPH08137529A - Display system for numerical controller - Google Patents

Abstract

PURPOSE: To reduce the storage capacity of display data and to give the degree of freedom of display to a user side in the display system of a numerical controller displaying character and comments, etc., on a display screen according to the operation of a system. CONSTITUTION: Reference display data 121 written at the time of manufacturing the numerical controller beforehand are stored in a ROM 12. Also, in the ROM 12, after the reference display data 121 are stored, replacement display data 122 inputted in other device are stored. A replacement means 1 reads the reference display data 121 at the time of starting the operation of the numerical controller and writes them in the display data area 131 for execution of a RAM 13. Then, the replacement means 1 replaces the reference display data 121 on the display data area 131 for execution with the contents of the replacement display data 122 by address units. A display control means 3 reads the required display data from the display data area 131 for execution of the RAM 13 and displays them on the screen of a display device 22 according to a command from a display command means 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display system of a numerical control device for displaying characters, comments, etc. on a display screen according to the operation of a system, and particularly to a display of a numerical control device having a display language selection function. Regarding the scheme.

[0002]

2. Description of the Related Art In numerical control devices for controlling machine tools,
Words, messages, etc. are displayed on the display screen according to the operation of the system. The language used to display this word or message can be selected by the user of the numerical control device. In order to do this, in the conventional numerical control device, the languages of a plurality of countries are stored in the ROM in advance,
On the actual display screen, only the language set by the parameter is displayed.

[0003]

However, since one type of numerical control device is used in a large number of countries and regions, storing the languages corresponding to all of them in the ROM is a work efficiency and cost reduction. There is a limit in terms.

In some cases, even in the same language, it may be desired to display in a different expression from the display data stored in advance.
However, in the conventional method, since the data cannot be rewritten after being stored in the ROM, only general expressions can be used and there is no degree of freedom of display on the user side.

The present invention has been made in view of the above circumstances, and provides a display system of a numerical control device capable of reducing the storage capacity of display data and providing the user with flexibility in display. The purpose is to do.

[0006]

In order to solve the above-mentioned problems, the present invention provides a display system of a numerical control device for displaying characters, comments, etc. on a display screen in accordance with the operation of the system, in the original version. Reference display data storage means for storing reference display data that is display data in a reference language, writable replacement display data storage means for storing replacement display data corresponding to each reference display data, and the reference display Replacement means for replacing data with the corresponding replacement display data, display command means for issuing a display command according to the execution state of the system, and display for displaying the replaced replacement display data on the display screen according to the display command. A display system of a numerical control device is provided, which comprises: a control unit.

[0007]

The reference display data storage means stores the reference display data which is the display data of the original reference language.
On the other hand, the replaceable display data storage means that can be added stores replacement display data corresponding to each reference display data. The replacing means replaces the reference display data with the corresponding replacement display data. When the display command means issues a display command according to the execution state of the system, the display control means displays the replaced replacement display data on the display screen according to the display command.

[0008]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 2 is a block diagram showing a schematic configuration of hardware of a numerical controller (CNC) of the present invention. The numerical controller is mainly composed of the processor 11. The processor 11 controls the entire numerical controller according to the system program stored in the ROM 12. A flash ROM is used for the ROM 12, for example. Alternatively,
Any other type of ROM may be used as long as it is a rewritable memory. As the display data of words, messages, and the like, the ROM 12 stores reference display data as an original version and replacement display data corresponding to each reference display data. Here, the replacement display data is display data expressed in a language, a symbol, a name, or the like, which the user wants to display.

An SRAM or the like is used for the RAM 13, and temporary calculation data, display data, input / output signals, etc. are stored therein. For the non-volatile memory 14, a CMOS backed up by a battery (not shown) is used,
Parameters, machining programs, which should be retained even after power is turned off,
Tool correction data, pitch error correction data, etc. are stored.

The CRT / MDI unit 20 is arranged on the front surface of the numerical controller or at the same position as the machine operation panel,
Used to display data and graphics, input data, and operate numerical control equipment. The graphic control circuit 21 converts digital signals such as numerical data and graphic data into raster signals for display and sends them to the display device 22. Display device 22
Displays these numbers and figures. The display device 22 also displays the current position of the tool, which will be described later. As the display device 22, a CRT or a liquid crystal display device is used.

The keyboard 23 is composed of numerical keys, symbolic keys, character keys and function keys, and is used for creating and editing a machining program and operating the numerical control device. The software key 24 is provided below the display device 22, and its function is displayed on the display device. Display device 22
If the screen of changes, the function of the software key changes corresponding to the displayed function.

The axis control circuit 15 receives the axis movement command from the processor 11 and outputs the axis movement command to the servo amplifier 16.
Output to. The servo amplifier 16 amplifies this movement command, drives a servo motor (not shown) coupled to the machine tool 30, and controls the relative movement of the tool and the work of the machine tool 30. The axis control circuits 15 and the servo amplifiers 16 are provided by the number corresponding to the number of axes of the servo motor.

A PMC (Programmable Machine Controller) 18 is an M processor via a bus 19 from the processor 11.
Receives (auxiliary) function signal, S (spindle speed control) function signal, T (tool selection) function signal, and the like. Then, these signals are processed by a sequence program, and output signals are output, and pneumatic equipment, hydraulic equipment in the machine tool 30,
Controls electromagnetic actuators, etc. Also, the machine tool 30
In response to the signals from the machine control panel inside, such as button signals, switch signals and limit switches, sequence processing is performed,
The necessary input signals are transferred to the processor 11 via the bus 19.

In FIG. 2, the spindle motor control circuit, the spindle motor amplifier, etc. are omitted. In the above example, the number of processors 11 is one, but
It is also possible to use multiple processors in a multiprocessor configuration.

Next, the specific processing of the display system of this embodiment will be described. First, in the numerical controller of the present embodiment,
On the display screen of a personal computer (not shown), the replacement display data corresponding to the reference display data is input.

FIG. 3 is a diagram showing an example of a replacement display data input screen. The input screen 40 displayed on the display screen of a personal computer or the like is divided into a reference display data screen 41 and a replacement display data screen 42. Standard display data screen 4
Reference display data read from a floppy disk or the like is scrolled and displayed at 1. By operating a keyboard (not shown), the operator inputs and displays the characters corresponding to each word or message on the reference display data screen 41 at the position of the cursor 42a on the replacement display data screen 42. Here, English is used as the language of the reference display data, and German is used as the language of the replacement display data.

The words and messages as the replacement display data thus input are written in the ROM 12 in correspondence with the reference display data and addresses. FIG. 1 is a diagram showing the concept of the function of this embodiment. In ROM12,
The reference display data 121 written in advance at the time of manufacturing the numerical control device is stored. Further, the ROM 12 stores the replacement display data 122 input on the input screen 40 of FIG. 3 after the reference display data 121 is stored. The replacement means 1 as a function of the system program is
At the start of the operation of the numerical control device, the reference display data 121 is read and written in the execution display data area 131 of the RAM 13. Then, the replacement unit 1 replaces the reference display data 121 on the execution display data area 131 with the contents of the replacement display data 122 in an address unit. As a result, the reference display data 121 is displayed in the execution display data area 131.
Is partially or entirely rewritten with the replacement display data 122.

When the replacement work is completed in this way, the display command means 2 issues a command to display the necessary words and messages according to the execution of the system program. In response to this command, the display control means 3 executes the execution display data area 1 of the RAM 13.
The necessary display data is read from 31 and displayed on the screen of the display device 22.

As described above, in this embodiment, the replacement display data 122 is stored in the ROM 12 after the reference display data 121 is stored.
Can be stored in the standard display data 121.
Since the replacement display data 122 is displayed after being replaced on the RAM 13, the storage capacity of the display data can be reduced, and the degree of freedom of display on the user side can be provided.

Whether or not the reference display data 121 and the replacement display data 122 are replaced may be set by a parameter.

[0021]

As described above, according to the present invention, the reference display data, which is the display data of the reference language as the original version, is stored in the reference display data storage means, and the replacement display data corresponding to each reference display data is written. Since the replacement display data is stored in the addable replacement display data storage means, the reference display data is replaced with the corresponding replacement display data, and the replaced replacement display data is displayed on the display screen in accordance with the display instruction. Can be input by the user and displayed during driving. Therefore, a plurality of types of display data are stored in the ROM beforehand.
Since it is not necessary to store the display data in the storage device, the storage capacity of the display data can be reduced, and the degree of freedom of display on the user side can be increased.

[Brief description of drawings]

FIG. 1 is a diagram showing a concept of functions of the present embodiment.

FIG. 2 is a block diagram showing a schematic configuration of hardware of a numerical controller (CNC) of the present invention.

FIG. 3 is a diagram showing an example of an input screen for replacement display data.

[Explanation of symbols]

 1 Replacement Means 2 Display Command Means 3 Display Control Means 11 Processor 12 ROM 13 RAM 22 Display Device 121 Reference Display Data 122 Replacement Display Data 131 Execution Display Data Area

Continuation of the front page (51) Int.Cl. ⁶ Identification number Office reference number FI technical display location G05B 19/414 23/02 301 K 7618-3H G05B 19/18 N

Claims (3)

[Claims] 1. A standard for storing standard display data, which is display data of a standard language, which is an original version, in a display method of a numerical control device for displaying characters, comments, etc. on a display screen according to the operation of the system. Display data storage means, writable replacement display data storage means for storing replacement display data corresponding to each of the reference display data, replacement means for replacing the reference display data with the corresponding replacement display data, A numerical control device comprising: a display command means for issuing a display command according to an execution state of the system; and a display control means for displaying the replaced replacement display data on a display screen according to the display command. Display method. 2. The display system of the numerical controller according to claim 1, wherein the replacement display data storage means is a flash ROM. 3. The replacement means is configured to read the reference display data from the reference display data storage means, write the reference display data in another memory, and perform replacement with the replacement display data in the other memory. The display system of the numerical controller according to claim 1, characterized in that.