JPS63289601A - Method for forming sequence program - Google Patents

Abstract

PURPOSE:To input the addresses of respective codes, symbol data and comments every input of each code by displaying a ladder graph forming picture to be the base of a sequence program on a display screen and forming a ladder graph by using relay contacts, codes, coil codes, and so on. CONSTITUTION:In order to input the sequence program, a conversational graphic for forming a ladder graphic is displayed on the CRT screen, a soft key LAD DER is depressed to display only right and left vertical lines in the ladder graphic on the screen 2 and an instruction code such as 'contact A input' and 'contact B input' for a soft key menue is formed to start the input of the program from said state. Namely, a soft key 15 is depressed at first, a required code is inputted by means of an alphabet key 12 and the key 13 and then the input key 17 and the key 15 are depressed to input the address. Then, the keys 15, 12, 13, 17 are successively depressed to set up the symbol and the address on the upper and lower positions of a relay coil code and a machine ready comment on a comment column.

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a sequence program creation method, and in particular, each time a relay contact symbol or coil symbol used on a ladder diagram is input, the address and symbol data of each symbol, The present invention relates to a sequence program creation method for editing a ladder diagram with comments and creating a sequence program using the ladder diagram.

<Prior Art> In a numerical control system, each mechanical element of a machine tool is controlled based on commands from an NC device.

The transmission and reception of signals between the NC device and the machine tool is controlled based on a sequence program.

This sequence program is a logical program of the functions of the high-power circuit that controls data exchange between the NC device and the machine tool using instruction codes and operands.
The ladder diagram which is a part of the high voltage circuit shown in ) is programmed with the 21 Monik code as shown in RD Ro, 1 AND RIo, 2 AND-NOT R1,7 OR-NOT X2.4 WRT R20,2. In the ladder diagram, O is the relay coil, ■ is the make relay contact (A contact), and r is the break relay contact (B contact).
It shows. Also, R in the sequence program
D, AND, AND-NOT, OR, and WRT are instruction codes, respectively, RD is a read instruction, AND is an AND operation instruction, AND -NOT is an AND operation instruction with a negative value, 0R-
NOT is an OR operation instruction with a negative value, and WRT is a write instruction.

Also, alphanumeric characters MA, M are placed on the relay contacts and relay coil.
12. M8. JM and MRDY are symbols (or relay names), and the logical value (1" or "0") that specifies their on/off status is stored in the work memory address marked under each relay contact and relay coil. Note that the address is represented by a numeric value with a decimal point, indicating a predetermined location in the work memory (a numeric value above the decimal point) and a predetermined bit (a numeric value below the decimal point).

<Problems to be Solved by the Invention> In the conventional sequence program creation method, first, a screen for creating a ladder diagram is displayed on the display screen, and after inputting the relay contact symbol, coil symbol, and address (see Figure 4 C). ), symbols, and comments (see Figure 4), input the symbols and comments corresponding to the input address, and edit them as a ladder diagram (see Figure 4C). Therefore, it was not possible to input symbols and comments continuously while creating a ladder diagram, making it extremely troublesome to create a sequence program.

From the foregoing, an object of the present invention is to provide a sequence program creation method that can increase creation efficiency by continuously creating ladder diagrams and creating symbols and comments.

Means for Solving the Problems> FIG. 1 is a schematic explanatory diagram of an apparatus that implements the sequence program creation method of the present invention.

1 is a sequence program creation device. The sequence program creation device 1 includes a CRT screen 2 and a data input section 3.
The data input section 3 includes alphabet keys 12, numerical keys 13, and input keys 17.
Soft keys 15 and the like are attached to the lower part of the T screen 2.

11 indicates the cursor position on the CRT screen 2.

<Operation> The ladder diagram creation screen that is the basis of the sequence program is displayed on the display screen 2, and the ladder diagram is created using relay contact symbols, coil symbols, etc., and each time these relay contact symbols and coil symbols are input, Addresses, symbol data, and comments for each symbol can be input continuously.

<Embodiment> FIG. 1 is a schematic explanatory diagram of an apparatus that implements the sequence program creation method of the present invention.

1 is a sequence program creation device. The sequence program creation device 1 includes a CRT screen 2 and a data input section 3.
The data input section 3 includes alphabet keys 12, numerical keys 13, and input keys 17.
On the side of T screen 2, there are return key 14, soft key 15,
Comes with Next Key 16.

Reference numeral 11 indicates a cursor position on the CRT screen 2, and reference numeral 18 indicates a soft key menu displayed at the bottom of the CR1 screen 2.

FIG. 2 illustrates the soft key menu of the present invention. The soft key menu 18 is displayed on the soft keys 15 on the CRT screen 2, and meanings are assigned to the keys.

Furthermore, by pressing the return key 14 or the next key 16, the menus are alternately switched and the desired menu can be selected.

FIG. 3 is a detailed explanatory diagram of the present invention.

The present invention will be explained according to FIGS. 1 to 3.

To input a sequence program, an interactive screen for creating a ladder diagram is displayed on the CRT screen 2. At first, C
While the menu shown in Figure 2 (a) is displayed at the bottom of the R1 screen 2, if you press the soft key Kunika 4dan, the CR
Only the left and right vertical lines of the ladder diagram are displayed on the T screen 2, and the soft key menu becomes a menu of command codes such as A contact input and B contact input as shown in Figure 2 (b), and the program can be input from this screen state. Start.

(1) Move the cursor to the start position (Fig. 3 a), press soft key EEI (A contact input) 15, the Roro symbol is input at the cursor position (Fig. 3 b), and continue with the alphabet key 12 and numerical key. Ro using 13, 1@M
After inputting A, press input key 17. Then, the symbol (MA) is set above the contact, the address (Ro, 1) is set below the contact, and the cursor moves to the right (Figure 3c) m(
2) Similarly, press soft key IEEE (A contact input) 15 and input R10,2@M12.

(3) Similarly, press soft key [Z] (B contact input) 15 and input R1,7@M8.

(4) Press soft key e (relay coil input) 15 to move the cursor position to the right side of the screen and input the EEI symbol, then continue using alphabet key 12 and numerical key 13 to enter R20, 2 @ M RD Y @ MAC )IINE
After inputting READY, press the input key 17, the symbol (MRDY) will be set above the relay coil symbol, the address (R20, 2) will be set below the relay coil symbol, and MACHINE READY will be set in the comment field, and the cursor will be automatically moved. Move to the input start position of the next line (Fig. 1 CRT
screen).

The above example shows an example in which an address, symbol, and comment are input consecutively, but it is also possible to set a symbol and comment later on an address that has already been input. For example, move the cursor to the relay coil (R20, 2) for which an address has already been input, use the alphabet keys 12 and numeric keys 13 to input @M RD Y @MACHINE READY, and then press the input key 17. When you press , the symbol (MRDY) appears above the relay coil symbol, the address (R20, 2) appears below the relay coil symbol, and MACHIN appears in the comment field.
E READY is set.

Furthermore, in the above, "@" is used before a symbol or comment, but in the present invention, any character other than alphanumeric characters can be substituted.

<Effects of the Invention> According to the present invention, when creating a sequence program, each time a relay contact symbol or a coil symbol is input while the ladder diagram creation screen is displayed, the address, symbol, and comment for each symbol can be created continuously. By configuring it so that

[Brief explanation of drawings]

FIG. 1 is a schematic explanatory diagram of an apparatus for implementing the sequence program creation method of the present invention, FIGS. 2 and 3 are detailed explanatory diagrams of the present invention, and FIG. 4 is an explanatory diagram of the conventional side. 1. Sequence program creation device, 2. CRT screen, 3. Data input section, 11. Cursor position on CRT screen 2, 15. Soft keys, 18. Soft key menu patent applicant FANUC Corporation. Agent Patent Attorney Chiki Saito Figure 2 Figure 3

Claims (1)

[Claims] Sequence program creation consisting of instruction codes such as read instructions, logical sum operations instructions, logical product operations instructions, write instructions, etc., accompanied by addresses such as relay contact symbols and coil symbols on a ladder diagram as operands. In this method, the ladder diagram creation screen that is the basis of the sequence program is displayed on the display screen, and the ladder diagram is created using relay contact symbols, coil symbols, etc., and each time these relay contact symbols and coil symbols are input, each A sequence program creation method characterized by sequentially inputting symbol addresses, symbol data, and comments.