WO2010089862A1 - ラダープログラム編集装置 - Google Patents
ラダープログラム編集装置 Download PDFInfo
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- WO2010089862A1 WO2010089862A1 PCT/JP2009/051887 JP2009051887W WO2010089862A1 WO 2010089862 A1 WO2010089862 A1 WO 2010089862A1 JP 2009051887 W JP2009051887 W JP 2009051887W WO 2010089862 A1 WO2010089862 A1 WO 2010089862A1
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- circuit
- circuit element
- ladder
- editing
- ladder diagram
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/056—Programming the PLC
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/13—Plc programming
- G05B2219/13196—Check if instruction for special module is valid for that module
Definitions
- the present invention relates to a ladder program editing apparatus.
- a ladder program that defines a control sequence by a sequencer in the form of a ladder diagram
- two busbars (plus busbar and minus busbar) that express the power symbolically are drawn with a space between each other, and these two busbars are connected
- a logic circuit using a relay or a coil is drawn in a ladder shape.
- a ladder program editing apparatus is usually used.
- auxiliary lines are displayed in a grid pattern in a ladder diagram display area on a screen, and circuit elements (components) are arranged in units of cells surrounded by auxiliary lines.
- a ladder program editing device laser diagram editing device
- This ladder program editing apparatus is configured so that the vertical or horizontal width of an arbitrary cell can be changed so that a ladder diagram can be efficiently displayed.
- the program creator When creating a ladder program using a ladder program editing device, the program creator designs a desired logic circuit (relay circuit) in advance and then creates a ladder diagram using the ladder program editing device. That is, when creating a ladder program, logic design of a ladder diagram and circuit layout design in the ladder diagram are performed.
- the ladder diagram created by the ladder program editing device is then converted into object code that can be executed by the sequencer, for example, by the ladder program editing device.
- a connection relationship between the circuit elements can be specified. Since the connection relationship cannot be specified when connecting a circuit element that is far away from the circuit element in terms of the placement rule, or when connecting circuit elements in parallel, the program creator cannot select the circuit element on the screen. An operation of drawing a connection line between them is performed. At this time, since a connection line can be freely drawn even at an illegal place that is not established as a logic circuit, a syntactically incorrect ladder diagram may be created. Since a syntactic error in the ladder diagram requires subsequent correction, it increases the load when creating a ladder program.
- the present invention has been made in view of the above circumstances, and an object thereof is to obtain a ladder program editing apparatus that can easily prevent the generation of a syntactically incorrect ladder diagram.
- the ladder program editing apparatus of the present invention displays a plus bus and a minus bus in a ladder diagram on the screen of the display unit, and displays a plurality of auxiliary lines vertically and horizontally in an area between the plus bus and the minus bus.
- a ladder that divides the above area into a plurality of cells displays circuit elements constituting the ladder diagram symbolically in separate cells, and edits a ladder diagram in which at least one input condition corresponds to one output condition
- a program editing device, an input unit for inputting a command related to editing a ladder diagram, and a road element in a cell on the screen of the display unit according to the command from the input unit, and an arrangement of circuit elements Based on the above, create logical formula data corresponding to the logical structure in the ladder diagram, and identify each circuit element to be connected in parallel in the ladder diagram based on the logical formula data Te, and having a editing control unit connecting the output terminal to each other of these circuit components in the connection line.
- each circuit element to be connected in parallel in the ladder diagram is specified based on data of a logical expression corresponding to the logical structure in the ladder diagram, and the output terminals of these circuit elements Since they are automatically connected to each other by a connection line, it is easy to prevent a syntactically incorrect ladder diagram from being created. Therefore, according to the ladder program editing apparatus of the present invention, the load when creating a ladder program is reduced.
- FIG. 1 is a block diagram schematically showing an example of a ladder program editing apparatus according to the present invention.
- FIG. 2 is a schematic diagram illustrating an example of a procedure when a ladder diagram in which two input conditions correspond to one output condition is edited by the ladder program editing apparatus according to the present invention in the transition of the screen display of the display unit.
- FIG. 3 is a schematic diagram showing an example of a screen display when a new circuit element is inserted into a ladder diagram in the middle of editing, which has a layout update function in the ladder program editing device of the present invention.
- FIG. 4 is a schematic diagram showing another example of a screen display when a new circuit element is inserted into a ladder diagram in the middle of editing, which has a layout update function in the ladder program editing device of the present invention.
- FIG. 5 is a schematic diagram showing an example of a screen display when a new circuit element is inserted into a ladder diagram in the middle of editing, which has an insertion guide function in the ladder program editing apparatus of the present invention.
- FIG. 6 is a schematic diagram showing an example of a screen display when a new circuit element is inserted in a ladder diagram in the middle of editing, which has an insertion guide function in the ladder program editing apparatus of the present invention.
- FIG. 7 is a schematic diagram showing another example of a screen display when a new circuit element is inserted into a ladder diagram in the middle of editing, which has an insertion guide function in the ladder program editing apparatus of the present invention. .
- FIG. 5 is a schematic diagram showing an example of a screen display when a new circuit element is inserted into a ladder diagram in the middle of editing, which has an insertion guide function in the ladder program editing apparatus of the present invention.
- FIG. 6 is a schematic diagram showing an example of a screen display when a new circuit element is inserted in a
- FIG. 8 is a schematic diagram showing an example of a moving form of the editing position in the ladder program editing apparatus of the present invention having a skip function.
- FIG. 9 is a schematic diagram showing an example of the abbreviated display function in the ladder program editing apparatus of the present invention having the abbreviated display function in the transition of the screen display of the display unit.
- FIG. 10 is a schematic diagram showing an example of the transition of screen display in the ladder program editing apparatus of the present invention having a circuit unit designation function.
- 10 input unit 20 display unit 25 edits the control unit 30 control unit 40 storage unit 50 output unit 60 ladder program editing apparatus Bp positive bus Bm minus bus bar AL auxiliary line Ce cells X1 ⁇ X6, Y10 circuitry CU 1, CU 11 ⁇ CU 13 , CU 21 , CU 22 , CU 25 to CU 29 circuit units IL 1 , IL 2 , IL 5 , IL 6 , IL 11 to IL 14 , IL 25 connecting lines LD 1 to LD 6 , LD 11 to LD 13 , LD 15 , LD 21 , LD 22 , LD 25 , LD 26 ladder diagram
- FIG. 1 is a block diagram schematically showing an example of a ladder program editing apparatus according to the present invention.
- a ladder program editing device 60 shown in FIG. 1 includes an input unit 10, a display unit 20, a control unit 30, a storage unit 40, and an output unit 50, and the screen of the display unit 20 according to a command input from the input unit 10.
- a predetermined number of circuit elements are displayed symbolically on each (not shown), and a ladder diagram corresponding to at least one input condition for one output condition is edited (including newly created).
- the above-described input unit 10 constituting the ladder program editing device 60 is configured using, for example, a keyboard, a mouse, and the like, and inputs a command related to editing a ladder diagram to the control unit 30 under the operation of the user.
- the display unit 20 is configured using a display device such as a liquid crystal display device, and operates under the control of the control unit 30 to display a menu screen, a ladder diagram, and the like.
- the control unit 30 controls the operation for editing the ladder diagram on the screen of the display unit 20, the operation control for storing the data related to the edited ladder diagram in the storage unit 40, and the data stored in the storage unit 40. Operation control for outputting from the output unit 50 is performed.
- the control unit 30 includes an input processing unit 21, a display control unit 23, an editing control unit 25, a compile processing unit 27, and an output control unit 29.
- the input processing unit 21 distributes the command to the display control unit 23, the edit control unit 25, the compile processing unit 27, or the output control unit 29 according to the content of the command input from the input unit 10.
- the display control unit 23 is an image other than the ladder diagram in the screen display on the display unit 20, for example, an initial screen when the ladder program editing device 60 is started up, and a guide when the compile processing unit 27 performs the compile processing. Operation control related to display of images such as a guide screen when outputting predetermined data from the screen and output unit 50 is performed.
- the edit control unit 25 performs operation control related to editing and display of the ladder diagram on the screen of the display unit 20. For example, a plus bus and a minus bus in a ladder diagram are displayed on the above screen in response to a command from the input unit 10, and a plurality of auxiliary lines are vertically and horizontally arranged in an area between the plus bus and the minus bus. The area is divided into a plurality of cells, the edit menu is displayed on the above screen when editing the ladder diagram, or a predetermined circuit element is symbolically assigned to a predetermined cell in response to a command from the input unit 10 Display. Further, data of a logical expression corresponding to the logical structure of the input condition and the output condition in the ladder diagram is created, and a connection line is automatically drawn at a predetermined position in the ladder diagram using the data.
- the edit control unit 25 identifies the cell by the coordinate data of each of the plurality of cells or the number of cells in one cell row and the array number assigned to each cell.
- Information such as data that can specify the arrangement of each circuit element in the ladder diagram (hereinafter referred to as “position information”) is created and stored in the storage unit 40, and the arrangement of each circuit element is used using the position information. And the drawing position of the connection line. Further, the edited ladder diagram data and the data of the logical expression are stored in the storage unit 40.
- the compile processing unit 27 receives a command for instructing compilation from the input unit 10, and when the command is distributed by the input processing unit 21, the editing control unit 25 edits the stored ladder diagram in the storage unit 40.
- the data or the data of the logical expression is read from the storage unit 40, and the data is converted into an object code and stored in the storage unit 40. If the ladder program editing device is configured so that the compile processing unit 27 creates an object code based on the data of the logical expression, software development in the ladder program editing device is facilitated.
- the output control unit 29 receives an instruction to output data from the input unit 10, and when the command is distributed by the input processing unit 21, reads the object code from the storage unit 40 and sends it to the output unit 50. The operation of the output unit 50 is controlled to output the object code.
- the storage unit 40 stores a control program for the control unit 30, logical expression data obtained by the editing control unit 25, ladder diagram data edited by the editing control unit 25, the above object code, and the like.
- the output unit 50 is configured by, for example, a printer, an auxiliary storage device, a transmission device (none of which is shown) connected to a network, etc., and operates under the control of the output control unit 29 so that the data of the ladder diagram and Output object code etc.
- a predetermined command is input from the input unit 10 after the device is started up, and the operation is controlled by the editing control unit 25.
- the plus bus bar and the minus bus bar in the ladder diagram are displayed on the screen of the display unit 20, and further, a plurality of auxiliary lines are displayed vertically and horizontally in the area between the plus bus bar and the minus bus bar, and the area is displayed in a plurality of cells.
- the ladder diagram is edited in the procedure shown in FIG.
- FIG. 2 is a schematic diagram illustrating an example of a procedure for editing (newly creating) a ladder diagram in which two input conditions correspond to one output condition by the ladder program editing device described above, in the transition of screen display on the display unit.
- FIG. 2 first, under the operation control by the editing control unit 25 (see FIG. 1), circuit elements X1 to X5 that define one of the two input conditions are sequentially arranged in predetermined cells Ce ( Display (see the top diagram in FIG. 2). Further, the circuit element Y10 indicating the output condition is arranged (displayed) in a predetermined cell Ce.
- the plus bus Bp and the minus bus Bm are each represented by a solid line, and each auxiliary line AL is represented by a broken line.
- Each circuit element X1 to X5 is symbolically represented by two vertical lines that are spaced apart from each other and a total of two horizontal lines extending from each vertical line to the plus bus Bp side and the minus bus Bm side.
- the circuit element Y10 is a coil symbolically represented by a circle and two horizontal lines extending from the circle to the plus bus Bp side and the minus bus Bm side.
- the circuit elements X1 to X5 are left-justified from the cell Ce closest to the plus bus Bp in the cell row located at the top in the region between the plus bus Bp and the minus bus Bm to the cell Ce on the minus bus Bm side.
- the circuit element Y10 is arranged right-justified in the cell Ce closest to the negative bus Bm in the cell row.
- the circuit element X6 that defines the remaining input conditions is changed to a predetermined cell Ce, that is, the circuit elements X1 to X5, Y10.
- Cell row on the lower layer side meaning the side on which a ladder diagram is drawn later in program execution order
- the symbol Ce is placed (displayed) symbolically in the cell Ce closest to the plus bus Bp.
- the circuit element X6 is a contact like the circuit elements X1 to X5 described above, and is directly connected to the plus bus Bp.
- the edit control unit 25 arranges the ladder diagram LD 1 (in FIG. 2) based on the arrangement of the circuit elements X1 to X5, Y10, and X6 while the circuit elements X1 to X5, Y10, and X6 are arranged in the predetermined cell Ce.
- the data of the logical expression corresponding to the logical structure of the input condition and the output condition in the lowermost figure) is created.
- each circuit element that defines the input condition in the above logical expression is set as one circuit unit of one input and one output for each input condition, and the circuit units to be connected in parallel are specified.
- the circuit elements to be connected in parallel to each other are specified, and a connection line connecting the output ends of the circuit elements is automatically drawn.
- the circuit elements X1 ⁇ X5 is set as one circuit unit CU 1
- set circuitry X6 is as other circuit units CU 2
- the connection line IL 1 connecting the output ends of the two is automatically drawn.
- the connection line IL 2 connecting the output end of the circuit unit CU 1 and the input end of the circuit element Y10 is also automatically drawn by the editing control unit 25.
- the data of the logical expression created by the edit control unit 25 corresponds to, for example, a logical expression in which each circuit element is identified by a unique identifier and is defined as one term.
- the terms defining the input condition the terms in which the circuit elements corresponding to the terms are connected in parallel in the ladder diagram are connected by the first operator, and the circuit elements connected in series in the ladder diagram The terms corresponding to are connected by the second operator.
- each term corresponding to the plurality of circuit elements is surrounded by a punctuation.
- the logical structure of the ladder diagram LD 1 shown in FIG. 2 is, for example, the following logical expression (i) Can be expressed as
- each term X1 ⁇ X6 representing the input condition has signed with the third operator " ⁇ ".
- the first to third operators are not limited to “or”, “and”, and “ ⁇ ”, and can be appropriately selected.
- each term connected by the first operator “or” is a circuit unit.
- the unit 25 can specify the circuit units CU 1 and CU 2 based on the data of the logical expression (i).
- the positions of the circuit units CU 1 and CU 2 in the ladder diagram LD 1 can be specified by the position information described above. Therefore, if the circuit units CU 1 and CU 2 are specified, the connection line IL 1 (see FIG. 2) connecting the output ends of the circuit units CU 1 and CU 2 can be automatically drawn.
- the connection line IL 2 (see FIG. 2) connecting the circuit element X5 and the circuit element Y10 is also automatically drawn by the editing control unit 25 in the same manner as the connection line IL 1 .
- each circuit element to be connected in parallel in the ladder diagram is data of a logical expression corresponding to the logical structure in the ladder diagram. Since the output ends of these circuit elements are automatically connected by connection lines, the creation of a syntactically incorrect ladder diagram is easily prevented. Therefore, if this ladder program editing apparatus 60 is used, the load at the time of creating a ladder program is reduced.
- FIG. The ladder program editing apparatus of the present invention is arranged when a new circuit element or circuit block is inserted into a desired editing portion of a ladder diagram that has been edited once or a ladder diagram that is being edited, or arranged at the editing portion.
- a function that automatically updates the placement of circuit elements on the minus bus side and the layout of circuit elements on the lower layer side when the circuit element or circuit unit is deleted (hereinafter referred to as “placement update function”) Can be added).
- the circuit block is a plurality of circuit elements connected in series (hereinafter referred to as “series circuit block”) or a plurality of circuit elements connected in parallel (hereinafter referred to as “parallel circuit block”). Means.
- the ladder program editing apparatus having the layout update function can be obtained by adding the layout update function to the editing control unit 25 in the ladder program editing apparatus 60 shown in FIG. 1, for example. Is omitted.
- the arrangement update function will be described in detail.
- FIG. 3 is a schematic diagram showing an example of a screen display when a new circuit element is inserted into a ladder diagram being edited by a ladder program editing device having a layout update function.
- a new circuit element X4 (FIG. 3) is added to a ladder diagram LD 2 (see the upper diagram in FIG. 3) in which three circuit elements X1 to X3 are edited from the plus bus Mp side to the point where they are serially connected in this order. (Refer to the lower figure in Fig. 1).
- Reference symbol “AL” in FIG. 3 indicates an auxiliary line.
- the edit control unit of the ladder program editing device uses the following logical expression (ii) corresponding to the logical structure of the ladder diagram LD 2 Is already obtained and the data is stored in the storage unit.
- a predetermined command is input from the input unit, and editing is performed in the ladder diagram LD 2 as shown in the upper diagram of FIG.
- the white arrow drawn at the end on the minus bus Bm side in the circuit element X1 represents the editing position and the editing type (insertion), and the cell Ce in which the circuit element X1 is arranged is Are displayed in a different color from the other cells Ce.
- the cell Ce in which the circuit element X1 is arranged is subjected to smudging.
- the editing control unit converts the above logical expression (ii) into the following logical expression (iii) And the data is stored in the storage unit. Then, based on the data of the logical expression (iii), the circuit element on the minus bus Bm side (output side) and the circuit element on the lower layer side from the editing position are specified. Since the designated editing position is the end on the minus bus Bm side in the circuit element X1, that is, between the circuit element X1 and the circuit element X2, the editing control unit is a circuit located on the minus bus Bm side from the editing position. Circuit elements X2 and X3 are specified as elements. There are no circuit elements below the edit position.
- the editing control unit updates the position information of the circuit elements X2 and X3 specified as described above to the position information of the cell on the minus bus Bm side by one cell. . Then, the arrangement of the circuit elements X2 and X3 is updated based on the new position information, and the circuit element X4 is displayed at the editing position, and the position information of the circuit element X4 is stored in the storage unit. As shown in the lower diagram of FIG. 3, a new ladder diagram LD 3 is obtained in which the circuit element X4 is arranged between the circuit element X1 and the circuit element X2.
- FIG. 4 is a schematic diagram showing another example of a screen display when a new circuit element is inserted into a ladder diagram being edited by a ladder program editing device having an arrangement update function.
- the figure shows a ladder diagram LD 4 in which two circuit elements X1 and X3 connected to the plus bus Bp are connected in parallel to each other, and the circuit element X2 is connected in series to these two circuit elements X1 and X3. 4 (see the leftmost diagram in FIG. 4), when the new circuit element X4 is inserted, and the three circuit elements X1 to X3 are already set as separate circuit units by the editing control unit, and the two circuit elements X1 , X3 are already set as upper circuit units.
- Reference symbol “AL” in FIG. 4 indicates an auxiliary line.
- the edit control unit of the ladder program editing device uses the following logical expression (iv) corresponding to the logical structure of the ladder diagram LD 4 Is already obtained and the data is stored in the storage unit.
- a new circuit element side X4 of the circuit elements X1 when specifically inserting a minus bus bar (not shown) a new circuit element side X4 of the circuit elements X1, first, a predetermined command from the input unit 4 is designated, and the end on the minus busbar side in the circuit element X1 is designated as the editing position and “insertion” is designated as the editing type, as shown in the upper center diagram in FIG.
- the white arrow drawn at the end on the minus bus side in the circuit element X1 represents the editing position and the editing type (insertion), and the cell Ce in which the circuit element X1 is arranged is It is displayed in a different color from other cells Ce.
- smudging is given to the cell Ce in which the circuit element X1 is arranged.
- the editing control unit converts the above logical expression (iv) into the following logical expression (v): And the data is stored in the storage unit. Then, based on the data of the logical expression (v), X2 is specified as a circuit element on the minus bus side (output side) from the editing position. There are no circuit elements below the edit position (circuit element insertion position).
- the editing control unit updates the position information of the circuit element X2 specified as described above to the position information of the negative bus side cell by one cell. Then, the arrangement of the circuit element X2 is updated based on the new position information, and the circuit element X4 is displayed at the editing position as shown in the upper right diagram in FIG. Further, the position information of the circuit element X4 is stored in the storage unit. Furthermore, the circuit element X1 and the circuit element X4 are set in one circuit unit. Then, the connection line IL 5 (see the left end diagram and the center upper diagram in FIG. 4) connecting the output end of the circuit element X3 and the output end of the circuit element X1 is connected to the output end of the circuit element X3 and the circuit element. The connection line IL 6 connecting the output terminal of X4 is updated.
- connection line IL 6 an output end and circuitry X3 circuit elements 4 between the circuit elements X1 and the circuit element X2 LD 5 is obtained.
- connection line IL 5 , IL 6 is represented by a dashed line for convenience.
- each cell Ce in which the circuit elements X1 and X2 are arranged is displayed in a color different from the other cells Ce.
- each cell Ce in which the circuit elements X1 and X2 are disposed is smudged.
- the editing control unit converts the above logical expression (iv) into the following logical expression (vi) And the data is stored in the storage unit. Then, based on the data of the logical expression (vi), X2 is specified as a circuit element on the minus bus side (output side) from the editing position. There are no circuit elements below the edit position (circuit element insertion position).
- the editing control unit updates the position information of the circuit element X2 identified as described above to the position information of the minus bus side cell by one cell, and creates a new one.
- the arrangement of the circuit element X2 is updated based on the position information, and the circuit element X4 is displayed at the editing position, and the position information of the circuit element X4 is stored in the storage unit. It is not necessary to update the connection line IL 5 that connects the output terminal of the circuit element X1 and the output terminal of the circuit element X3.
- a new ladder diagram LD 6 in which the circuit element X4 is arranged between the upper circuit unit (circuit elements X1, X2) and the circuit element X2 is shown. Is obtained.
- the ladder program editing apparatus can also be configured so that the arrangement of each circuit element on the side and each circuit element on the lower layer side is updated.
- a predetermined selection screen is displayed on the screen of the display unit so that the user can select an insertion object (circuit element, series circuit block, or parallel circuit block) from a list created in advance. It is preferable to be displayed.
- the ladder program editing apparatus having the layout update function is configured such that when a predetermined circuit element, circuit block, or circuit unit deletion in the ladder diagram is designated by a command from the input unit, the designated circuit element or circuit is designated.
- the block or circuit unit was deleted, and the deleted circuit element, circuit block, or circuit unit that was on the negative bus side than the circuit unit, or the lower layer side in the same way as at the time of “insertion” described above.
- It can also be configured to identify circuit elements and update their location information and placement. In this case, the circuit element that was on the minus bus side of the deleted circuit element, circuit block, or circuit unit is moved to the plus bus side on a cell basis, and the circuit element that was on the lower layer side is moved to the upper layer side on a cell basis. Is done.
- Embodiment 3 In the ladder program editing apparatus of the present invention, when a new circuit element or circuit block is inserted into a ladder diagram that has been edited once or a ladder diagram that is being edited, the circuit element or circuit block can be connected. A function for visually displaying an editable position on the display unit (hereinafter referred to as “insertion guide function”) can be added.
- the ladder program editing apparatus having the insertion guide function is obtained by adding the insertion guide function to the editing control unit 25 in the ladder program editing apparatus 60 shown in FIG. 1, for example, the ladder program editing apparatus is illustrated here. Is omitted.
- the insertion guide function will be described in detail with reference to FIGS.
- FIG. 5 is a schematic diagram showing an example of a screen display when a new circuit element is inserted into a ladder diagram being edited by a ladder program editing device having an insertion guide function.
- a ladder diagram LD 11 composed of three circuit units CU 11 to CU 13 and a circuit element Y10 is shown.
- reference symbol “AL” indicates an auxiliary line
- reference symbol “Ce” indicates a cell.
- the circuit unit CU 11 includes two circuit elements X 1 and X 4 connected to the plus bus Bp, and these circuit elements X 1 and X 4 are connected by a connection line IL 11. They are connected in parallel to each other.
- Circuit unit CU 12 includes a circuit unit CU 11, the circuit element X2 connected in series to the circuit unit CU 11, consisting of serially connected circuit elements X3 Metropolitan to the circuit element X2.
- the circuit unit CU 13 includes a circuit element X5 which is connected to a positive bus bar Bp, consists serially connected circuit elements X6 Metropolitan to the circuit element X5, the circuit unit CU 13 is circuit unit CU by a connection line IL 12 12 connected in parallel.
- the circuit element Y10 is the connecting line IL 13 are connected to the circuit unit CU 12 by the circuit element Y10 is connected to negative bus bar Bm.
- each connection line IL 11 ⁇ IL 13 in order to facilitate distinction from other connection lines represent the connection lines IL 11 ⁇ IL 13 conveniently by one-dot chain line.
- the edit control unit of the ladder program editing device uses the following logical expression (vii) corresponding to the logical structure of the ladder diagram LD 11 Is already obtained and the data is stored in the storage unit.
- the storage unit stores in advance information about connection relationships allowed when editing a ladder diagram (hereinafter referred to as “editing regulation information”).
- This edit regulation information can be connected to other circuit elements or circuit blocks in four directions, for example, plus bus side, minus bus side, upper layer side, and lower layer side for circuit elements and circuit units related to input conditions.
- the editing control unit is based on the editing rule information. Then, the editable position at which another circuit element or circuit unit can be connected to the designated circuit unit or circuit element Y10 is visually displayed on the display unit. In FIG. 5, for each of the circuit elements CU 11 to CU 13 and the circuit element Y 10, editable positions where other circuit elements or circuit blocks can be connected are indicated by white arrows. Then, when one of the editable location visual display were selected by a command from the input unit, the editing control unit is a ladder diagram LD 11 by inserting the circuit elements or circuit blocks in the editable location new Update to ladder diagram.
- the circuit unit CU 11 is specified by a command from the input unit, and “insertion” of the circuit element X 7 is instructed, and a total of four white arrows are visually displayed around the circuit unit CU 11 .
- the editing control unit converts the above logical expression (vii) into the following logical expression (viii) And the data is stored in the storage unit.
- the position information and the arrangement of the circuit elements X1 to X4 are respectively updated to the minus bus Bm side by the arrangement updating function described in the second embodiment, and the circuit element X1
- the circuit element X7 is inserted between 1 and the plus bus Bp. Furthermore, connection lines between circuit units connected in parallel to each other are updated.
- connection line IL 14 that connects the input terminal of the input terminal and the circuitry X4 circuit elements X1 it is automatically drawn by the edit control unit.
- the connection line IL 14 is also represented by a one-dot chain line for convenience.
- circuit unit CU 11 is designated in the ladder diagram LD 11 shown in FIG. 5 and “insertion” of the circuit element X7 is instructed, and a total of four white arrows are visually displayed around the circuit unit CU 11.
- the editing control unit converts the above logical expression (vii) into the following logical expression (ix) And the data is stored in the storage unit.
- the position update function described in the second embodiment is used to update the position information and the arrangement of the circuit elements X1, X2, X5, and X6 to the lower layer side by one cell, plus
- the circuit element X7 is inserted between the bus Bp and the circuit element X2. Furthermore, connection lines between circuit units connected in parallel to each other are updated.
- the ladder diagram LD 11 shown in FIG. 5 is updated to the ladder diagram LD 13 shown in FIG.
- the connection line IL 11 connecting the output end of the circuit element X 4 and the output end of the circuit element X 1 in the ladder diagram LD 11 of FIG. 5 is extended to the upper layer side, and the output of the circuit element X 4 The end is connected to the output end of the circuit element X7.
- the ladder program editing apparatus of the present invention has a function of moving the editing position to the nearest circuit element along the above direction when the movement of the editing position in a predetermined direction is instructed by a command from the input unit (hereinafter referred to as the editing function). "Skip function" can be added.
- a ladder program editing apparatus having a skip function can be obtained by adding the above function to the editing control unit 25 in the ladder program editing apparatus 60 shown in FIG. 1, for example. Therefore, the ladder program editing apparatus is illustrated here. Omitted.
- the skip function will be described in detail with reference to FIG.
- FIG. 8 is a schematic diagram showing an example of a moving form of the editing position in the ladder program editing apparatus having a skip function.
- a ladder in which an input condition is defined by a circuit element X1 connected to a plus bus Bp, and a circuit element Y10 that is connected to a minus bus Bm and defines an output condition is connected in series to the circuit element X1.
- the figure LD 15 is shown.
- reference symbol “AL” indicates an auxiliary line
- reference symbol “Ce” indicates a cell.
- the editing control unit of the ladder program editing device has the following logical formula (x) Is already obtained and the data is stored in the storage unit.
- position information of each of the circuit elements X1 and Y10 is stored in the storage unit.
- a command for instructing to move the editing position in the minus bus bar Bm side is inputted from the input unit, the editing control unit, said logic Based on the formula (x), the most recent circuit element on the minus bus Bm side (output side) from the circuit element X1, that is, the circuit element Y10 is specified, and the position information of the circuit element Y10 is shown in FIG.
- the editing position is moved to the circuit element Y10 as indicated by a white arrow. Compared with the case where the editing position is moved in units of cells, the operation and time required for moving the editing position are greatly reduced.
- the nearest circuit element is specified only for the cell string that includes the current editing position.
- the ladder program editing apparatus can be configured to move the editing position to the circuit element, the ladder is so configured that the latest circuit element is specified for all cell strings and the editing position is moved to the circuit element. It is preferable to configure a program editing device.
- Embodiment 5 The ladder program editing apparatus according to the present invention replaces a specified circuit block with a predetermined symbol when an abbreviation display of a predetermined circuit block (including a circuit unit) is instructed by a command from the input unit.
- a function hereinafter referred to as “abbreviated display function”
- the ladder program editing device having the abbreviated display function can be obtained by adding an abbreviated display function to the editing control unit 25 in the ladder program editing device 60 shown in FIG. 1, for example. Illustration is omitted.
- the abbreviated display function will be described in detail with reference to FIG.
- FIG. 9 is a schematic diagram showing an example of an abbreviated display function in a ladder program editing apparatus having an abbreviated display function in the transition of the screen display of the display unit.
- the upper diagram in the figure shows a ladder diagram LD 21 before using the abbreviated display function, and the lower diagram shows a part of the circuit block in the ladder diagram LD 21 by the abbreviated display function.
- a ladder diagram LD 22 in which is omitted is shown.
- the reference symbol “Bp” indicates a plus bus
- the reference symbol “Bm” indicates a minus bus
- the reference symbol “AL” indicates an auxiliary line
- the reference symbol “Ce” indicates a cell.
- the input conditions are defined by the one circuit element X999 connected in parallel to the circuit unit CU 21 and the circuit unit CU 21 constituted by a total of 100 circuit elements X1 ⁇ X100 Yes.
- the editing control unit of the ladder program editing device is formed of a rectangle having a size that can fit the circuit unit CU 21 in one cell row.
- An abbreviated display is displayed on the symbol S, and a message “+ circuit unit not displayed” is displayed therein, whereby the abbreviated display of the circuit unit CU 21 is visually displayed, and the ladder diagram LD 21 is changed to the ladder diagram LD 22 .
- abbreviated display is performed, the entire configuration of the ladder diagram can be easily grasped even when the circuit unit before the abbreviated display does not fit on the screen of the display unit over a large number of cell rows.
- Embodiment 6 FIG.
- a function for updating data (hereinafter referred to as “circuit unit designation function”) can be added.
- circuit unit designation function when circuit elements adjacent to each other are selected from among three or more circuit elements connected in series to each other or from three or more circuit elements connected in parallel to each other, these are set to 1 It is possible to add a circuit unit designating function for updating logical data by setting one circuit unit.
- the ladder program editing apparatus having the circuit unit designation function is obtained by adding the circuit unit designation function to the editing control unit 25 in the ladder program editing apparatus 60 shown in FIG. Illustration of the editing device is omitted.
- the circuit unit designation function will be described in detail with reference to FIG.
- FIG. 10 is a schematic diagram showing an example of a transition of screen display in a ladder program editing apparatus having a circuit unit designation function.
- three circuit elements X1 to X3 are connected in series in this order from the plus bus Mp side, and are already set as one circuit unit CU 25 by the editing control unit.
- a ladder diagram LD 25 in which two circuit elements X2 and X3 adjacent to each other among X1 to X3 are selected as components of a new circuit unit is shown.
- the selection of a circuit element that becomes a component of a new circuit unit is performed by, for example, inputting a predetermined command from the input unit and designating each circuit element that becomes a component of the new circuit unit.
- each cell Ce in which the circuit elements X1 and X2 selected as the new circuit unit components are arranged is displayed in a different color from the other cells Ce.
- each cell Ce in which the circuit elements X1 and X2 are arranged is given smudging.
- the circuit elements X1, X2 are as one circuit unit CU 26 by the editing control unit Is set.
- the edit control unit performs the following logical expression (xi) And the data is stored in the storage unit. Accordingly, after this, there are two circuit units CU 25 and CU 26 in the ladder diagram LD 25 .
- circuit unit X4 if the circuit element X4 is inserted in parallel with the circuit unit CU 26 , the editing control unit will execute the following logical expression (xii)
- the data is stored in the storage unit, and a ladder diagram LD 26 in which a total of four circuit units CU 26 to CU 29 are arranged in a nested manner is obtained.
- Circuit units CU 27 in the ladder diagram LD 26 is made of a circuit element X4
- the circuit unit CU 28 is made of the circuit units CU 26, CU 27 which are connected in parallel with each other by a connection line IL 25
- circuit unit CU 29 is The circuit unit CU 287 and the circuit element X 3 connected in series to the circuit unit CU 28 .
- the ladder diagram can be edited as described above by using the circuit unit designation function, according to the ladder program editing apparatus having the circuit unit designation function, the ladder diagram once edited or the ladder diagram being edited Can be easily modified and changed.
- the ladder program editing apparatus of the present invention displays each circuit element constituting the ladder diagram symbolically in a predetermined cell on the screen of the display unit, and corresponds to the logical structure in the ladder diagram based on the arrangement of each circuit element.
- a function for creating logical formula data, specifying each circuit element to be connected in parallel in the ladder diagram based on the data of the logical formula, and connecting the output ends of the circuit elements with connection lines If it is, it is basically good. What functions are added in addition to the basic functions can be selected as appropriate. Therefore, the ladder program editing apparatus of the present invention can be variously modified, modified, combined, etc. in addition to the above-described embodiments.
- the ladder program editing apparatus of the present invention is suitably used for editing a ladder program that defines a control sequence by a sequencer in the form of a ladder diagram.
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Abstract
Description
20 表示部
25 編集制御部
30 制御部
40 記憶部
50 出力部
60 ラダープログラム編集装置
Bp プラス母線
Bm マイナス母線
AL 補助線
Ce セル
X1~X6,Y10 回路要素
CU1,CU11~CU13,CU21,CU22,CU25~CU29 回路単位
IL1,IL2,IL5,IL6,IL11~IL14,IL25 接続線
LD1~LD6,LD11~LD13,LD15,LD21,LD22,LD25,LD26 ラダー図
図1は、本発明のラダープログラム編集装置の一例を概略的に示すブロックである。同図に示すラダープログラム編集装置60は、入力部10、表示部20、制御部30、記憶部40、および出力部50を備え、入力部10から入力された指令に応じて表示部20の画面(図示せず)上に所定数の回路要素をそれぞれシンボリックに表示させて、1つの出力条件につき少なくとも1つの入力条件が対応したラダー図を編集(新規作成を含む)する。
本発明のラダープログラム編集装置には、一旦編集し終えたラダー図または編集途中のラダー図の所望の編集箇所に新たな回路要素もしくは回路ブロックを挿入するときや、当該編集箇所に配置されている回路要素または回路単位を削除したときに、当該編集位置よりもマイナス母線側にある回路要素の配置および下層側にある回路要素の配置をそれぞれ自動的に更新する機能(以下、「配置更新機能」という)を付加することができる。ここで、上記の回路ブロックとは、互いに直列接続される複数の回路要素(以下、「直列回路ブロック」という)や、互いに並列接続される複数の回路要素(以下、「並列回路ブロック」という)を意味する。
本発明のラダープログラム編集装置には、一旦編集し終えたラダー図または編集途中のラダー図に新たな回路要素または回路ブロックを挿入するときに、該回路要素または回路ブロックを接続させることが可能な編集可能位置を表示部に視覚表示させる機能(以下、「挿入ガイド機能」という)を付加することができる。
本発明のラダープログラム編集装置には、入力部からの指令により編集位置の所定方向への移動が指示されたときに、上記の方向に沿った直近の回路要素に編集位置を移動させる機能(以下、「スキップ機能」という)を付加することができる。スキップ機能を有するラダープログラム編集装置は、例えば図1に示したラダープログラム編集装置60での編集制御部25に上記の機能を付加することにより得られるので、ここでは当該ラダープログラム編集装置の図示を省略する。以下、図8を参照して、上記のスキップ機能について具体的に説明する。
本発明のラダープログラム編集装置には、入力部からの指令により所定の回路ブロック(回路単位である場合を含む)の省略表示が指示されたときに、指定された回路ブロックを所定の記号に置き換えると共に省略表示していることを示す視覚表示を表示部に行わせる機能(以下、「省略表示機能」という)を付加することができる。この省略表示機能を有するラダープログラム編集装置は、例えば図1に示したラダープログラム編集装置60での編集制御部25に省略表示機能を付加することにより得られるので、ここでは当該ラダープログラム編集装置の図示を省略する。以下、図9を参照して、省略表示機能について具体的に説明する。
本発明のラダープログラム編集装置には、互いに隣接する回路要素を回路単位に設定することが入力部からの指令により指示されると、当該互いに隣接する回路要素を回路単位に設定して論理式のデータを更新する機能(以下、「回路単位指定機能」という)を付加することができる。具体的には、互いに直列接続された3つ以上の回路要素の中から、または互いに並列接続された3つ以上の回路要素の中から互いに隣接する回路要素が選択されたときに、これらを1つの回路単位に設定して論理式のデータを更新する回路単位指定機能を付加することができる。
Claims (8)
- ラダー図でのプラス母線とマイナス母線とを表示部の画面に表示させると共に、前記プラス母線と前記マイナス母線との間の領域に複数本の補助線を縦横に表示させて前記領域を複数のセルに区画し、ラダー図を構成する各回路要素を互いに別個のセルにシンボリックに表示させて1つの出力条件につき少なくとも1つの入力条件が対応したラダー図を編集するラダープログラム編集装置であって、
前記ラダー図の編集に係る指令を入力するための入力部と、
前記入力部からの指令に応じて前回路要素を前記表示部の画面上でセルに配置すると共に、前記回路要素の配置に基づいて前記ラダー図での論理構造に対応した論理式のデータを作成し、該論理式のデータに基づいて前記ラダー図中で互いに並列接続されるべき各回路要素を特定して、該回路要素の出力端同士を接続線で結ぶ編集制御部と、
を有することを特徴とするラダープログラム編集装置。 - 前記編集制御部は、前記入力部からの指令により前記ラダー図中の所定の編集位置での回路要素もしくは回路ブロックの挿入、または前記ラダー図中の所定の編集位置での回路要素もしくは回路ブロックの削除が指示されたときに、前記入力条件を規定する各回路要素のうちで前記編集位置よりも前記マイナス母線側にある回路要素、および前記編集位置よりも下層側にある回路要素を特定し、該特定した回路要素の前記ラダー図中での配置を更新することを特徴とする請求項1に記載のラダープログラム編集装置。
- 前記編集制御部は、前記入力部からの指令により前記ラダー図中の所定の編集位置での回路要素または回路ブロックの挿入が指示されたときに、前記入力条件を規定する各回路要素のうちで前記編集位置よりも前記マイナス母線側にある回路要素はセル単位で前記マイナス母線側に移動させ、前記編集位置よりも下層側にある回路要素はセル単位で下層側に移動させることを特徴とする請求項2に記載のラダープログラム編集装置。
- 前記編集制御部は、前記入力部からの指令により前記ラダー図中の所定の回路要素または回路ブロックの削除が指示されたときに、該回路要素または回路ブロックを削除すると共に、前記入力条件を規定する各回路要素のうちで前記削除された回路要素よりも前記マイナス母線側にあった回路要素はセル単位で前記プラス母線側に移動させ、前記削除された回路要素よりも下層側にあった回路要素はセル単位で上層側に移動させることを特徴とする請求項2に記載のラダープログラム編集装置。
- 前記編集制御部は、前記入力部からの指令により前記ラダー図中の所定の回路要素または回路ブロックが指定されると共に回路要素または回路ブロックの挿入が指示されたときに、前記指定された回路要素または回路ブロックに他の回路要素または回路ブロックを接続させることが可能な編集可能位置を前記表示部に視覚表示させる、
ことを特徴とする請求項2に記載のラダープログラム編集装置。 - 前記編集制御部は、前記入力部からの指令により編集位置の所定方向への移動が指示されると、前記指示された方向に沿った直近の回路要素に前記編集位置を移動させることを特徴とする請求項2に記載のラダープログラム編集装置。
- 前記編集制御部は、前記入力部からの指令により所定の回路ブロックの省略表示が指示されると、該指定された回路ブロックを所定の記号に置き換えると共に省略表示していることを示す視覚表示を前記表示部に行わせることを特徴とする請求項2に記載のラダープログラム編集装置。
- 前記編集制御部は、互いに隣接する回路要素を回路単位に設定することが前記入力部からの指令により指示されると、前記互いに隣接する回路要素を回路単位に設定して前記論理式のデータを更新することを特徴とする請求項2に記載のラダープログラム編集装置。
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PCT/JP2009/051887 WO2010089862A1 (ja) | 2009-02-04 | 2009-02-04 | ラダープログラム編集装置 |
CN200980156204.1A CN102308263B (zh) | 2009-02-04 | 2009-02-04 | 梯形图程序编辑装置 |
JP2010549302A JP5073067B2 (ja) | 2009-02-04 | 2009-02-04 | ラダープログラム編集装置 |
US13/147,776 US20110295388A1 (en) | 2009-02-04 | 2009-02-04 | Ladder program edition device |
DE112009004315.1T DE112009004315B4 (de) | 2009-02-04 | 2009-02-04 | Leiterprogramm-Editiervorrichtung |
KR1020117018109A KR101275342B1 (ko) | 2009-02-04 | 2009-02-04 | 래더 프로그램 편집 장치 |
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US20180095447A1 (en) * | 2016-09-30 | 2018-04-05 | Omron Corporation | Program development supporting apparatus, program development supporting method, and program development supporting program |
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CN103797454A (zh) * | 2011-09-15 | 2014-05-14 | 三菱电机株式会社 | 梯形图程序生成装置 |
US9098289B2 (en) | 2011-09-15 | 2015-08-04 | Mitsubishi Electric Corporation | Ladder program creation device |
CN103797454B (zh) * | 2011-09-15 | 2017-07-25 | 三菱电机株式会社 | 梯形图程序生成装置 |
WO2020246097A1 (ja) * | 2019-06-07 | 2020-12-10 | オムロン株式会社 | サポート装置およびサポートプログラム |
WO2020246096A1 (ja) * | 2019-06-07 | 2020-12-10 | オムロン株式会社 | サポート装置およびサポートプログラム |
JP2020201635A (ja) * | 2019-06-07 | 2020-12-17 | オムロン株式会社 | サポート装置およびサポートプログラム |
JP2020201636A (ja) * | 2019-06-07 | 2020-12-17 | オムロン株式会社 | サポート装置およびサポートプログラム |
JP7172864B2 (ja) | 2019-06-07 | 2022-11-16 | オムロン株式会社 | サポート装置およびサポートプログラム |
JP7234810B2 (ja) | 2019-06-07 | 2023-03-08 | オムロン株式会社 | サポート装置およびサポートプログラム |
US12072682B2 (en) | 2019-06-07 | 2024-08-27 | Omron Corporation | Support device and storage medium |
Also Published As
Publication number | Publication date |
---|---|
DE112009004315T5 (de) | 2012-02-02 |
KR101275342B1 (ko) | 2013-06-17 |
CN102308263A (zh) | 2012-01-04 |
US20110295388A1 (en) | 2011-12-01 |
DE112009004315B4 (de) | 2017-03-09 |
CN102308263B (zh) | 2014-05-07 |
JPWO2010089862A1 (ja) | 2012-08-09 |
KR20110102499A (ko) | 2011-09-16 |
JP5073067B2 (ja) | 2012-11-14 |
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