WO1984004409A1

WO1984004409A1 - Data input device for numerical control apparatus

Info

Publication number: WO1984004409A1
Application number: PCT/JP1984/000202
Authority: WO
Inventors: Mitsuto Miyata; Masahiko Fukuda
Original assignee: Fanuc Ltd
Priority date: 1983-04-21
Filing date: 1984-04-19
Publication date: 1984-11-08
Also published as: JPS59195709A

Abstract

A data input device for a numerical control apparatus enables the input of data in the form of an equation. An equation input through a key input means (KB) is stored in a temporary input buffer (BUF). When an input command is input from the key input means (KB), an equation calculation means (ART) operates on the equation stored in the temporary input buffer (BUF), and then outputs the result of the calculation to a data input processing means (DIN), which stores the output result in a predetermined memory area in a data storage memory means (MEM).

Description

C D Description Data input device of numerical controller Technical field

The present invention relates to a data input device of an NC (numerical control) device, particularly when an input character string includes a mathematical expression, calculates the mathematical expression, displays the result on a display device, and The present invention relates to a technology for inputting the result to a predetermined storage location.

Background technology

When inputting data from a key input means such as a keyboard of an NC unit, it is often desirable to calculate a certain mathematical expression and input the result. On the other hand, the data input device of a conventional NC device, for example, as shown in Fig. 1, inputs a character string from key input means to a temporary input buffer and simultaneously displays the contents on a display. When the input command key or the insert key is pressed, the input destination is identified from the contents of the temporary input buffer in the data input processing unit.- The temporary input buffer is stored in the corresponding storage location. It only had the function of writing the contents of the file. Therefore, when a certain mathematical formula is calculated and the result is input, it is necessary to perform the calculation by another means and then input the key.

Disclosure of the invention

The present invention has been made in view of such circumstances.

〇Μ? Ί ί, wi? O The purpose is to use a data input device of the NC unit that can input the result of calculating the formula when the input character string contains the formula into the corresponding storage location. To provide.

FIG. 2 is an explanatory diagram of the configuration of the present invention. Characters input from the key input means KB are stored in temporary input buffer means BUF. The display means DPY displays the contents of the temporary input buffer means BUF. The formula calculating means ART calculates the formula stored in the temporary input buffer means BUF when an input command is inputted from the key input means KB, and the data input processing means D IN The calculation result is stored in the data storage storage unit MEM.

Description of drawing

FIG. 1 is a diagram illustrating the configuration of a data input device of a conventional numerical controller, FIG. 2 is a diagram illustrating the configuration of the present invention, and FIG. Block diagram of the main part showing an example of hardware configuration, Fig. 4 is a flowchart showing an example of software configuration of the data input device, and Fig. 5 is a block diagram in Fig. 4. FIG. 6 is a flowchart showing an example of a method of implementing step S7, and FIGS. 6 and 7 are examples of a flowchart of a numerical calculation using the backpack notation, and FIGS. Figure 8 is an explanatory diagram of the program command.

BEST MODE FOR CARRYING OUT THE INVENTION

Fig. 3 shows the data input of the device according to the present invention. FIG. 2 is a main block diagram showing an example of a door configuration of an NC device.], 1 is a micro computer, 2 is a bus,

3 is a ROM that stores programs and the like necessary for causing the computer 1 to perform a predetermined operation. ⁴ is a temporary input buffer area 4a, ヮ. one click server Tsu off § region 4b driving information storage area ⁴ c Pas ra -... for data setting area 4 d is RAM 5 with a storage area such as tool offset amount setting area 4 e a de Re scan Calling over 6 is a tape reader, 7 is a command table,

8 is an external memory such as a magnetic bubble memory, 9 is an input command key 9a. A plurality of other command keys -9b. A keyboard having a plurality of character input keys 9c. , 10 is a pulse generation circuit, 11 is a CRT controller, 12 is an address switching circuit, 13 is an address decoder, 14 is a data driver, and 15 is a data driver. Video RAM 16 is a character generator ROM 17 is a display unit such as a CRT, 18 is an axis control circuit, 19 is a servo amplifier, and 20 is a motor. It is. The NC command program is stored in the external memory 8 via the tape reader 6 when provided in the form of the command tape 7 and provided when stored in the external memory 8. The micro-computer 1 reads and decodes the information directly from the memory, and creates the operation information. The normal NC operation is based on this operation information.] The 9-axis control circuit 18 is controlled, and the rotation of the motor 20 is controlled by the servo amplifier 19. Such an operation is well known from the past.

O PI FIG. 4 is a flowchart showing an example of software configuration of the data input device of the present embodiment. In an NC unit, to save storage space, one byte parameter contains two or more data, for example, the upper 4 bits and the lower 4 bits are separated. It is used for the purpose. In such a case, if it is desired to change the lower 4 bits of data, for example, 3 to the upper 4 bits of data, for example, from 9 to 7, the conventional NC unit is as follows. Thus, the parameter numbers, for example, 4061, =, 115 were input in this order.

4061 = 115 · (1) However, such an operation] ?, as shown below, the parameter number 4061, =, the value after changing the upper 4 bits 7, the multiplication symbol It is easier to input *, 16, the addition symbol +, and the value 3 of the lower 4 bits in this order.

4061 = 7 * 16 + 3 (2) Taking this case as an example]), the data input operation of this embodiment will be described.

First, using the character input keys 9c of the keyboard 9 to enter the character string of the above expression (sequentially from the beginning, the microphone computer 1 While being sequentially stored in the temporary input buffer area 4a of the RAM (S1 to S3),

CMPI The input character is written into a predetermined area of the video RAM 15 via the data driver 14, for example, an area corresponding to the lower corner of the screen (S4). As is well known, the video RAM 15 has the capacity; the scanning address of the CRT controller 11] ????????????? It is converted into display dot data by the character generator ROM 16 and input to the display unit 17 as a video signal. Therefore, characters entered from keyboard 9 are displayed at the lower left corner of the CRT screen.

Next, when the input command key 9a of the keyboard 9 is pressed, the micro computer 1 confirms that the input key code is the input command key code. Judgment is made (S5), the formula in the temporary input buffer area 4a is calculated, a character string in which the formula part is replaced by the calculated result is created, and the RAM 4 work buffer is created. Is stored in the key area 4b [S6]. If there is an error in the mathematical expression, the storage location is identified from the contents of the work buffer area 4b. In this case, it is a command to change the parameter. stores II ⁵ into bytes corresponding to the data number 4 0 6 1 in Pas ra over data setting area 4d of RAM 4 (S 8). When this data input processing is completed, the contents of the temporary input buffer area 4a written in the video RAM 15 and the contents of the temporary input buffer area 4a written in the video RAM 15 are also cleared. To delete the display (S10). Note that an error occurred during the data input processing of step S8.

, ,, W <'?

"' If so, an error message is displayed [S9]. Also, if other types of command keys has been depressed, by the pressed key]? Process is branched, the contents of the temporary entry eaves off § region ⁴ a in the respective process a routine is decoded And necessary processing is performed (S12) ₀

FIG. 5 is a flowchart showing an example of a method for implementing step S6 in FIG. 4.

① The data number part (the part of 4061) is left in RAM as it is.

4 to the work buffer area 4b.

② Check the input of == _ [and enter in the work buffer area 4b.

I do.

③ Calculate the value of the expression on the right side and convert it to a character string.

Transfer to work buffer area 4b.

Are performed. It should be noted that the mathematical formulas that can be employed in the present invention are not only the simple ones described above, but also the four arithmetic operations with slashes and the calculations of sign, cosine, and logarithm. .

To议下, ₀ indicating § Le Gore Rhythm of the formula calculation using the bus Tsu mosquitoes scan notation

1) Formula format

Formula> = [ ^T -tsuku term] [ku operator> ku term>]

Term> = (<number> | ^T [ ⁷ <expression] ^τ | function name>

ν ( ^ν formula) ^ν )

<Operator> = (τ ₊ ν | τ _ ν | γ ^ τ | τ / τ)

OMPI 2) Stack used

The following two stacks are used for processing.

① Data 'stack

Stack for storing numerical values to be operated on

② Arithmetic control stack

If the execution of operators and functions is suspended, these are coded and stored. Also, stores the code indicating the bottom of the stack at the start of the expression decoding and when the expression is nested by clicking.

Fig. 6 and Fig. 7 show examples of flowcharts of numerical calculation using the above-mentioned backslash notation. In the same flow chart, error checking and processing are omitted. It is useful to perform calculation processing at the time of data entry. There are cases like this.

(1) For example, as shown in Fig. 8, the program command for the movement from the origin 0 to the point P at a distance of 70 mm at an angle of 30 ° with respect to the X axis is:

X [70.0 * cos [30.0]] Y [70.0 氺 sin [30.0]]; and press the calculation command key 9b,

X 60.622 Y 35.0;

It is converted to the form and displayed. When the input command key 9a is pressed, the converted program command is stored in the separately designated program storage area of the external memory 8. Rather than typing in the formula at the time of input and calculating at run time, the program requires less processing time when executing the program.

'There is power.

(2) The tool offset must be set in the input unit system. However, if the present invention is used, the operator can input the tool offset in the machine unit system. Setting is easy. That is, if the input unit system is the machine I inch system with millimeter system is also, for example, as a the tool compensation amount of 20 No. ³ Z ₄ operation of setting the inch,

20 = 25.4 * ^_3/4

Key, and press Calculate command key 9b.

20 = 19.05

Is automatically converted to the form

o

After step S6, S8, etc. in Fig. 4, a character string (for example, the above formula (1)) in which the numerical value is calculated and replaced with a numerical value is created, and this is temporarily input. Buffer area 4

For example, it is free to add a step to be memorized to the user] ?, so that the result of the input mathematical expression can be visually recognized.

As described above, depending on the data input device of the present invention, a mathematical expression is calculated by inputting a mathematical expression through key input means such as a keyboard and inputting an input command from the key input means. The result of replacing the given formula with the result is

QMfl _ Since the data is stored in the storage means for storing the data, the operation of calculating the mathematical expression in advance and inputting the result as in the related art can be performed.

Unnecessary D, parameter setting, tool offset setting or

Makes it very easy to set NC command programs including mathematical expressions.

), It is possible to improve the operability of NC equipment, etc.

And Especially in the case of the NC command program, the processing time at the time of execution is shorter than the method of calculating at the time of execution.] ?,

There is an advantage that the load on the NC device is reduced accordingly.

O PI

WIPO

NATION

Claims

The scope of the claims

In a data input device of a numerical controller, a key input means, a character input from the key input means are stored, and a time input buffer means and a storage content of the temporary input buffer means are provided. Display means for displaying a mathematical formula, a formula calculating means for calculating a mathematical expression stored in the temporary entry buffer means when an input command is inputted from the key input means, and a combination of the mathematical formula calculating means. A data input device for a numerical control device, comprising: a data input processing means for storing data in a storage means for storage.