JP3536547B2 - Monitor system and monitor method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a monitor device for monitoring the status of a robot or a numerical control device, and to create screen data indicating the screen display contents of the monitor device. The present invention relates to a monitor system and a monitor method having a screen data creation device for transferring.

[0002]

2. Description of the Related Art FIG. 26 is a block diagram showing an example of the overall configuration of a monitor system for monitoring the operation status of a robot or a numerical control device on an assembly line in a factory via a programmable controller (hereinafter referred to as a PC). In the figure, 7 is a numerical controller for controlling a machine tool, 6 is a robot controller for controlling a robot, 3 is a first PC for controlling the numerical controller 7, and 4 is a controller for controlling the robot controller 6. The 5th PC and 5 are the nth PC. It should be noted that illustration of a control target of the PC 5, for example, a robot or a numerical control device is omitted. Reference numeral 8 denotes a monitoring device 1 for a station with a station number of 0, PC3 for a station with a station number of 1,
C4 is a control LAN for connecting the stations with the station having the station number 2 and the PC 5 being the station having the station number n. 1 is PC
3, a monitor device capable of displaying device values sent from PC4, PC5 and the like based on screen data, and forcibly changing device values in these PCs. Reference numeral 2 denotes a screen data creation device for creating screen data for displaying a screen on the monitor device 1, for example, a personal computer. Hereinafter, the personal computer 2 is referred to as a personal computer 2.

FIG. 27 shows a monitor system shown in FIG. 26 connected to a control LAN 8 for convenience of explanation.
FIG. 2 is a hardware block diagram of a conventional monitor system corresponding to a case where C is only PC3, and a numerical controller 7 connected to PC3 is not shown. In the figure, reference numerals 1, 2, and 3 denote monitor devices as described above,
Personal computer, PC. In the monitor device 1, 9 is a CPU of the monitor device 1, 10 is a CRT, 11 is a memory for storing a display program and screen data, 100 is a keyboard, 12 is a P for communication between the PC 3 and the monitor device 1.
A C I / F 13 is a personal computer I / F for communication between the personal computer 2 and the monitor device 1.

The screen data is information indicating display contents on the display screen of the CRT 10. This screen data is prepared for each display screen, and the screen display is performed by designating any one of them in the display program. FIG. 32 is a diagram showing an example of screen data. In FIG. 32, two pieces of screen data of screen 1 and screen data of screen 2 are shown. FIG. 33 shows a screen displayed by the screen data of this screen 1. The screen data includes device information including a device name and a station number of a PC in which the device exists, and screen display format data including display positions, display characters, and the like other than the device information. In FIG. 32, for example, the data No. 2 of the screen 1 indicates the coordinates (x,
No. 3 indicates that the character "Production target" is displayed at the position of y), and No. 3 indicates that the contents of the PC device D0 of the station number 1 are displayed at the position of the coordinates (x, y) of the CRT 10 by numerical values. Is shown.

FIG. 28 is a diagram showing an example of the contents of the memory 11. In the figure, 25 is a device registration area, 26 is a device value area, and 22 is a screen data memory, for example, a screen data area. The screen data area 22 is an area where the screen data received from the personal computer 2 is written, the device registration area 25 is an area for registering a device name described in the screen data, and the device value area 26 is a device registration area 25 Is an area in which the values of the respective devices stored in are stored. In FIG. 28, D
The case where 0 and D1 are registered is shown. In addition,
In the case of this example, as shown in FIG. 32, D0 and D1 are in PC3 of station number 1.

FIG. 29 shows an example of the contents of the memory 21 of the PC 3. The memory 21 includes a first device memory,
For example, there is a device area 27. This device area 2
7, the value of the device of the PC 3 is stored. FIG.
In the figure, 20 shows that a device having a device name of D10 stores 20 as a device value.

FIG. 30 is a functional block diagram showing a function of displaying a screen of the monitor device 1 in the conventional monitor system shown in FIG. In the drawing, 1-3 is a PLC reading function for reading the device value of the PC 3 based on the contents of the device registration area 25. This is a display function to be displayed on the display. The PLC reading function 1-3 and the display function 1-5 are realized by the CPU 9 executing a predetermined program stored in the memory 11.

FIG. 31 is an operation flow chart of the conventional monitor device 1. In the figure, in step S31-1, screen data is received from the personal computer 2 via the personal computer I / F 13, and the flow advances to step S31-2. In step S31-2, the screen 1 shown in FIG. 4 (however, the production target value 500, the production actual value 100, and the achievement rate value 20 are the default values) is displayed on the CRT 10. Proceed to step S31-3. In step S31-3, the PCI / F12
The value of the PC device is read from the PC 3 via the PC, and the process proceeds to step S31-4. In step S31-4, the values of the production target value, the actual production value, and the achievement rate, which were the default values in step S31-2, are set in step S3.
The screen replaced with the value read in 1-3 is CRT1
0 is displayed and the process returns to step S31-3. Thereafter, steps S31-3 and S31-4 are repeatedly executed, and the latest P
The value of the C device is displayed on the CRT 10.

[0009]

In the conventional monitor device 1 described above, a PC 3 in which a predetermined test program is stored in advance is connected to confirm the screen data created by the personal computer 2, and this test program is executed. However, it was necessary to start the numerical controller 7 (the robot 6 in the case of the PC 4) connected to the PC 3. Further, when the screen data is transferred from the personal computer 2 to the monitor device 1, the monitor operation of the monitor device 1 must be manually stopped and taken off-line, so that there is a problem that the operation is not easy when debugging the screen data. In addition, there is a problem that it is not easy to confirm the correction result of the screen data, and it is not easy to debug the screen data.

The present invention provides a monitor system and a monitor method capable of easily confirming screen data and efficiently and easily debugging screen data without a PC and a robot or a numerical controller connected to the PC. The purpose is to get.

It is another object of the present invention to provide a monitor system and a monitor method which can easily change a device value of an arbitrary device name and can easily debug screen data.

It is another object of the present invention to provide a monitor system and a monitor method which can easily confirm the value of a changed device and can easily debug screen data.

It is another object of the present invention to provide a monitor system and a monitor method which can easily set device values of a large number of devices and can easily debug screen data.

It is another object of the present invention to provide a monitor system and a monitor method which can easily confirm values of a large number of devices and can easily debug screen data.

Further, by specifying the screen number of the screen data, it is possible to easily set the device values of a large number of devices corresponding to the screen data, and to obtain a monitor system and a monitor method which can easily debug the screen data. The purpose is to.

It is another object of the present invention to provide a monitor system and a monitor method capable of confirming the contents of debugging of screen data, the degree of debugging, and the like later, and facilitating the management of debugging.

It is another object of the present invention to provide a monitor system and a monitor method that can easily detect an abnormality in screen data related to a PC model.

[0018]

A monitor system according to the present invention has a first device memory for storing a device value indicating a state of a device provided as a control target, and a device indicating an address of the first device memory. A programmable controller that controls the control target via the first device memory by repeatedly executing a sequence program in which a name is described, a monitoring device that monitors the status of the control target via the programmable controller, A screen data creation device for creating screen data indicating screen display contents in the monitor device,
A screen data creation device for creating the screen data, a second device memory storing a simulated device value simulating the device value, and a screen data creation device. A first transmission unit that transmits the screen data created by the means to the monitor device, and a second device that reads the simulated device value from the second device memory based on a request signal from the monitor device and transmits the simulated device value to the monitor device. Transmitting means having a transmitting unit, wherein the monitor device receives the screen data from the screen data creating device and writes the screen data into the screen data memory, and the monitor device is described in the screen data. From the state in which the device value indicated by the device name is obtained from the first device memory. Receiving means for switching to a state obtained from a predetermined switching signal based on a predetermined switching signal, sending the request signal to the screen data generating device and receiving the simulated device value, the simulated device value and the screen data memory received by the receiving means Screen display means for displaying a screen based on the screen data stored in the storage device.

Further, the screen data creating apparatus has a changing means for enabling setting and changing of the contents of the second device memory by input from a keyboard.

Further, the screen data generating apparatus has a display processing means for displaying the set or changed device value and enabling the confirmation.

Further, the screen data creation device has first script language data execution means for executing first script language data for setting in a script language stored in advance, and executes the first script language data. The contents of the second device memory can be set.

Further, the screen data generating device has second script language data executing means for executing second script language data for confirmation in a script language stored in advance, and executes the second script language data. The contents of the second device memory can be confirmed.

Further, the first / second script language data executing means designates the first / second script language data corresponding to the screen data of the designated screen number by designating the screen number from the monitor device.
This is to execute script language data.

Further, the screen data generating apparatus has a logging memory and a logging means for historically storing the input device name, device value, their confirmation result, and the like in the logging memory. .

[0025]

Further, in the monitoring method according to the present invention, a sequence program in which a device name indicating an address of a first device memory in which a device value indicating a state of a device provided in a control target is stored is described repeatedly. The processing by the screen data creation device for creating screen data indicating screen display contents in a monitor device that monitors the status of the control object through a programmable controller that controls the control object is performed by screen data creation means. Is generated, and the screen data is transmitted to the monitor device by the two transmission units of the transmission means, respectively, and the monitor device is stored in the second device memory in which the simulated device value simulating the device value is stored. The above simulated device value is read based on the request signal from Transmitting the screen data from the screen data creation device to a screen data memory by receiving the screen data from the screen data creation device. The screen data creation device switches from a state in which the device value indicated by a device name described in the screen data is obtained from the first device memory to a state in which the device value is obtained from the second device memory based on a predetermined switching signal. Receiving the simulated device value and transmitting the request signal to the simulated device value, and displaying the simulated device value and the screen data stored in the screen data memory on the screen display means. It is.

The processing by the screen data creation device is as follows:
A step of enabling setting and changing of the contents of the second device memory by input from a keyboard.

The processing by the screen data creation device is as follows.
Displaying the set or changed device value.

The processing by the screen data generating device is as follows.
The method includes a step of executing first script language data described in advance in a script language for setting contents of the second device memory.

The processing by the screen data creation device is as follows:
The method includes a step of executing second script language data described in advance in a script language for confirming the contents of the second device memory.

Further, the step of executing the first / second script language data is performed by designating a screen number from the monitor device, the first / second script language data corresponding to the screen data of the designated screen number.
/ The second script language data is executed.

The processing by the screen data creation device is as follows:
The logging means has a step of historically storing the input device name, device value, the confirmation result thereof, and the like in the logging memory.

[0033]

[0034]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1 FIG. Overview: A personal computer for creating screen data is provided with a memory for storing a device simulating a PC input / output device and the like, and a monitor device without connecting the PC and a numerical controller or a robot controlled by the PC. Debugging of screen data, which enables screen data to be debugged, and facilitates switching between transfer of device values from a personal computer or a PC to a monitor device and transfer of screen data from a personal computer to a monitor device. To make it easier.

FIG. 1 shows a PC connected to the control LAN 8 in the monitor system shown in FIG. 26 for convenience of explanation.
Is a hardware block diagram of the monitor system of the present invention corresponding to the case where only the PC 3 is used, and the numerical control device 7 connected to the PC 3 is not shown. The hardware block diagram of the monitor device 1 of FIG. 1 is the same as FIG. 27 showing the conventional example except that the keyboard 100 is not provided. In the personal computer 2 shown in FIG. 1, reference numeral 16 denotes a memory for storing programs and screen data operating on the personal computer 2, 14 a CPU, 17 a CRT, 18 a keyboard,
Reference numeral 15 denotes a monitor device I / F for communicating with the monitor device. In the PC 3 of FIG. 1, reference numeral 21 denotes a memory for storing programs operating on the PC 3 and values of PC devices, reference numeral 19 denotes a CPU, and reference numeral 20 denotes a monitor I / F for communicating with the monitor 1.

The memory 16 of the personal computer 2 has a second device memory, for example, a PC virtual device area 28. FIG. 2 shows a case where 20 is stored as a device value in the device having the device name D10 in the PC virtual device area 28 in the memory 16.

FIG. 3 is a functional block diagram of the monitor system corresponding to FIG. 1 according to the first embodiment of the present invention.
In the personal computer 2 shown in FIG. 3, for example, screen settings shown in FIG. 32 for displaying the screen shown in FIG. Function 1-7 is a monitor device I / F function as a first transmission unit for transferring screen data stored in the memory 16 to the monitor device 1, and 1-8 is transmitted from the monitor device 1. This is a PC virtual function as a second transmission unit that reads a device value from the PC virtual device area 28 and transmits the read device value to the monitor device 1 in response to the received device value read request. The screen data generating means includes a screen setting function 1-6 and a keyboard 18, and the means for transmitting information to the monitor device 1 is a monitor device I / O.
F1-7 and a PC virtual function 1-8.

In the monitor device 1 shown in FIG. 3, the PC 1-1 receives the screen data transferred from the personal computer 2, transfers the screen data to the screen data area 22 of the memory 11, and sets the device registration area 25. / F function, 1
Reference numeral -3 denotes a PLC reading function for reading a device value from a PC and writing the device value in the device value area 26, and reference numeral 1-4 denotes a personal computer reading function for reading a device value from the personal computer 2 and writing it in the device value area 26. 1-2 is a PLC setting reading function, which executes a PLC reading function 1-3 when a device registered in the device registration area 25 is set in advance so as to obtain its value from the PC3 and communicates with the PC3. If it is set in advance so as to be obtained from the personal computer 2, the personal computer reading function 1-4 is executed to communicate with the personal computer 2 to obtain the value. Reference numeral 1-5 denotes a screen display unit for displaying a value read from the device value area 26 of the memory 11 based on the screen data, for example, a display function. The means for receiving information from the personal computer 2 is a personal computer I / F1-
1 and a personal computer reading function 1-4.

Next, the operation of the monitor system according to Embodiment 1 of the present invention will be described with reference to FIG. FIG. 4 is a flowchart showing the operation of the monitor device 1 and the personal computer 2. In the figure, in step S1-1, the PLC read function 1
-3 is started. In step S1-2-1, it is determined whether or not screen data has been received from the personal computer 2. If screen data is received from the personal computer 2, step S1-3
Otherwise, to step S1-2-2. In step S1-3, the received screen data is written to the screen data area 22 of the memory 11. In step S1-4, the device name described in the screen data is extracted, and
1 is set in the device registration area 25. Step S1-
In step 5, the screen data is sent to the CRT 10 and displayed. In step S1-6, it is determined which of the PLC reading function 1-3 and the personal computer reading machine 1-4 has been activated. P
If the LC read function 1-3 has been activated, the process proceeds to step S1-7, and a read device request for reading and transmitting the device value is transmitted to the PC3.

In step S1-8, the device value sent from the PC 3 is written to the device value area 26 of the memory 11. In step S1-9, the value of the device written in the device value area 26 of the memory 11 is sent to the CRT 10 for display, and the process returns to step S1-2-1. Step S1
In -2-1, no screen data is received from the personal computer 2, and the process proceeds to step S1-2-2, and the process proceeds to step S1-2.
If the virtual function activation is not received from the personal computer 2 in step -2, step S1-6, step S1-7, step S1-8, step S1-9, step S1-2.
1. Step S1-2-2 is repeated. If the PC virtual function activation is received from the personal computer 2 in S1-2-2, the process proceeds to step S1-10, where the PLC read function 1-3 is terminated. In step S1-11, the personal computer read function 1-4 is reset. to start. If the personal computer reading function has been activated in step S1-6, the process proceeds to step S1-12. In step S1-12, a read device request for reading and transmitting the device value is transmitted to the personal computer 2. In step S1-13, a response (device value or end code) from the personal computer is received. In step S1-14, it is determined whether an end code has been received from the personal computer. If the end code has not been received, the process proceeds to step S1-9. If the end code has been received, the process proceeds to step S1-15. In step S1-15, the personal computer reading function 1-4
Stops operation. In step S1-16, the PLC read function 1-3 is activated, and the process returns to step S1-2-1.

Next, the operation of the personal computer will be described with reference to FIG. In step S1-17, it is determined which of the screen data editing function and the PC virtual function is selected. If the screen data editing function has been selected, the process proceeds to step S1-18 to create screen data. The screen data created in step S1-19 is transferred to the monitor device 1, and the process returns to step S1-17. If the PC virtual function is selected in step S1-17, the process proceeds to step S1-20 to activate the PC virtual function. In step S1-21, a read device request or an end code is received from the monitor device 1. Step S
At 1-22, it is determined whether an end code has been received. If the end code has not been received, the process proceeds to step S1-23. If the end code has been received, the process proceeds to step S1-24. In step S1-23, the device value is read from the PC virtual device area 28 and transmitted to the monitor device 1, and
Return to 1-21. In step S1-24, an end code is transmitted to the monitor device 1. In step S1-25, the operation of the PC virtual function is stopped, and the process returns to step S1-17.

According to the embodiment of the present invention, when the PC virtual function is selected in the personal computer 2, the monitor device 1 can receive the device value from the personal computer 2 instead of receiving the device value from the PC 3, , PC3
The screen data can be confirmed using the conditions set in the personal computer 2 without connecting. PC 2
The screen data can be confirmed only by the operation described above, and the operability can be improved.

Embodiment 2 Outline: In the first embodiment of the present invention, the value of the virtual device stored in the memory 16 of the personal computer 2 can be easily changed by operating the keyboard.

The monitor system according to the second embodiment of the present invention is the same as the first embodiment of the present invention except that FIGS. 3 and 4 are replaced with FIGS. 5 and 6.

FIG. 5 is a functional block diagram of a monitor system according to Embodiment 2 of the present invention.
1, 3, 17, 18, 22, 28, and 1-1 to 1
-8 is similar to that of the first embodiment of the invention. 2-1
Is a keyboard input function for inputting a device name and a device value from the keyboard 18 and writing it into the PC virtual device area 28 of the memory 16. The changing means for setting and changing the contents of the virtual device area 28 includes the keyboard input function 2-1 and the keyboard 18.

FIG. 6 is an operation flowchart of the monitor device 1 and the personal computer 2. In FIG. 6, the operation flowchart of the monitor device 1 is the same as that in FIG.
The operation flowchart of step S2-1 to step S2-
3 is the same as that in FIG. 4 except that 3 is inserted immediately before step S1-21. Next, the operation of the personal computer will be described with reference to FIG. Steps S1-17 to S
1-25 are the same as those in the first embodiment of the present invention, and a description thereof will not be repeated. When the process proceeds from step S1-20 to step S2-1, it is checked whether there is a device value change instruction from the keyboard 18, and if there is an instruction, the process proceeds to step S2-2. In step S2-2, an address for storing the input device value is obtained from the device name input from the keyboard 18. In step S2-3, the PC of the memory 16
In the virtual device area 28, the value input from the keyboard 18 is written to the address obtained in step S2-2.

According to the embodiment of the present invention, the contents of the PC virtual device area 28 can be easily changed by input from the keyboard 18, and screen data can be created and device values can be changed on the personal computer side. Operability during debugging is good. Further, for example, it is possible to easily confirm the screen data or the like in which the display method (normal display, inverted display, blinking display, etc.) is changed according to the range of the device value.

Embodiment 3 Outline: In the second embodiment of the invention, the value of the virtual device stored in the memory
To be displayed on

The monitor system according to the third embodiment of the present invention is the same as the first embodiment of the present invention except that FIGS. 3 and 4 are replaced with FIGS. 7 and 8.

FIG. 7 is a functional block diagram of a monitor system according to Embodiment 3 of the present invention. In addition, a display function 3-1 as display processing means and a signal path connected to the display function 3-1 are added. Is the same as FIG. 5 showing the second embodiment of the invention. The display function 3-1 edits display data based on the device value stored in the PC virtual device area 28, and replaces the device name and the device value with CR.
This function is displayed at T17.

FIG. 8 is an operation flowchart of the monitor device 1 and the personal computer 2 according to the third embodiment of the present invention.
It is the same as FIG. 11 showing the second embodiment of the invention, except that step S3-1 is inserted immediately before 1-21. Next, the operation of the monitor device 1 and the personal computer 2 will be described with reference to FIG.
This will be described below. The operation of the monitor device 1 is the same as that of FIG. In the operation flowchart of the personal computer 2, the description of the same parts as those in FIG. 6 will be omitted. In the operation flow of the personal computer 2, in step S3-1, the value of the device stored in the PC virtual device area 28 is displayed on the CRT 17 together with the device name, for example, as shown in FIG.

According to the embodiment of the present invention, the screen data can be created and the device value can be changed on the personal computer side, and the change can be confirmed by displaying the device value on the CRT 17 as shown in FIG. Operability when debugging screen data is good. In the case of screen data displayed under conditions such as device startup, etc., the monitor screen of the monitor device 1 and the memory 1 of the personal computer 2 are used.
6 can be compared with the device values stored in the virtual device area 28, and the screen data can be easily confirmed.

Embodiment 4 Outline: In the third embodiment of the present invention, the value of the virtual device stored in the memory 16 of the personal computer 2 can be changed by executing a script language (a language that describes a process to be executed in a character format).

FIGS. 3 and 4 show a monitor system according to a fourth embodiment of the present invention.
Are the same as in the first embodiment of the invention except that

FIG. 10 is a functional block diagram of the monitor system according to the fourth embodiment of the present invention. The automatic setting function 4-1 and the script language data 29, which are the first script language data execution means, and the signal path connected thereto are shown. FIG. 7 showing Embodiment 3 of the present invention except that
Is the same as In FIG. 10, the automatic setting function 4-1 executes the script language data 29,
This function sets or changes a device value in the virtual device area 28.

FIG. 11 is a diagram showing an example of a set of script language data. In the figure, the first line indicates the name of this group of script language data, the second line indicates that the device M0 is to be turned on (bits are set), and the third line indicates that the device D1 is 100 (hexadecimal). And the fourth line indicates the end of the batch of script language data. In FIG. 11, the part that actually changes the device value is the name (DATASET0).
The part excluding 1) and end (END), that is, the second and third lines.

FIG. 12 is an operation flowchart of the monitor device 1 and the personal computer 2 according to the fourth embodiment of the present invention. This FIG.
Is the same as FIG. 8 showing the third embodiment of the present invention except that steps S4-1 and S4-2 are added. In other words, immediately before step S2-1, it is determined in step S4 whether or not automatic setting has been designated by the script language.
-1 is inserted. If it is determined in step S4-1 that the automatic setting has not been designated by the script language, the process proceeds to step S2-1. If it is determined that the automatic setting has been designated, the process proceeds to step S4-1. Step S3 via 2
Embodiment 3 of the invention except that the flow proceeds to -1
Is the same as FIG. Next, operations of the monitor device 1 and the personal computer 2 according to Embodiment 4 of the present invention will be described with reference to FIG. The operation of the monitor device 1 is the same as that of FIG. In the operation of the personal computer 2, the same portions as those in FIG. In step S4-2 of the operation flow of the personal computer 2 in FIG.
The automatic setting function 4-1 causes the script language data 29 to be executed, automatically writes a device value in the PC virtual device area 28, and proceeds to step S3-1.

According to the embodiment of the present invention, the device values of a large number of devices can be easily set by executing the script language data 29 described over a large number of lines for setting the device values.

Embodiment 5 FIG. Outline: A large number of device values stored in the PC virtual device area 28 of the memory 16 of the personal computer 2 can be collectively confirmed.

A diagram showing a monitor system according to a fifth embodiment of the present invention is the same as the diagram showing the fourth embodiment of the present invention except that FIGS. 10 and 12 are replaced with FIGS. 13 and 14.

FIG. 13 is a functional block diagram of the monitor system according to the fifth embodiment of the present invention. The data confirmation function 5-1 and the data confirmation result 30, which are the second script language data execution means, and the signal path connected thereto are shown. Other than the addition, it is the same as FIG. 10 showing the fourth embodiment of the invention. In FIG. 13, a data confirmation function 5-1 is a function for executing the script language data 29, confirming the contents of the PC virtual device area 28, and writing the confirmation result in the data confirmation result 30.

FIG. 14 is an operation flowchart of the monitor device 1 and the personal computer 2 according to Embodiment 5 of the present invention.
The branches at 2 are read, write, and end,
Step 1-23a executed when branching to writing
Are added, and after the end of step S1-23 or step S1-23a, steps S5-1 to S5-1 are executed.
Except that step S5-4 is inserted, it is the same as FIG. 12 showing the fourth embodiment of the present invention. Next, the operation of the monitor device 1 and the personal computer 2 will be described with reference to FIG.
The operation of the monitor device 1 is the same as that of FIG. The description of the same operation as that of the personal computer 2 in FIG. 12 is omitted. In the operation flow of the personal computer 2,
In step S1-22, the request from the monitor device 1
It is determined whether the request is a request to read a device value from the virtual device area 28, a request to write a device value from the monitor device 1 to the PC virtual device area 28, or an end request. Proceed to step S1-23,
The device value is read from the PC virtual device area 28. If it is a write request, the flow advances to step S1-23a to write the device value from the monitor device 1 to the PC virtual device area 28, and if it is completed, the flow advances to step S1-24. When the process proceeds from step S1-23 or step S1-023a to step S5-1, it is checked in step S5-1 whether confirmation of a device value in a script language has been designated in advance. If the confirmation of the device value by the script language is specified, the process proceeds to step S5-2, and the setting of the device value by the script language is confirmed.
In step S5-3, the confirmation result is written in the data confirmation result 30 and displayed on the CRT 17. Step S5-
In 4, if information indicating a data error is stored in the data confirmation result 30 (if an error is found in step S <b> 5-30), it is checked whether or not data correction has been specified. If it is, the process returns to step S4-1. If there is no designation of data correction, step S1-
Proceed to 24.

FIG. 20 is a diagram showing a screen of the CRT 17 of the personal computer 2, in which 35 is an example of a data confirmation result.

Conventionally, when it is desired to check whether a target value is displayed on a display screen, for example, P
The device type was specified using the peripheral device of C, all the devices of the specified device type were displayed on the screen, and the corresponding one was searched and confirmed.
According to the fifth embodiment of the present invention, it is possible to confirm in a short time by automatically confirming in a script language, and to confirm only a minimum necessary device used in screen data. Further, which of the screen data and the value of the device has an error is displayed, so that the operator can be prevented from erroneous recognition.

Embodiment 6 FIG. Outline: By specifying a screen number from a monitor device, script language data corresponding to the screen data of the specified screen number is selected from a plurality of script language data stored in advance and executed.

A diagram showing a monitor system according to a sixth embodiment of the present invention is the same as the diagram showing the fifth embodiment of the present invention except that FIGS. 13 and 14 are replaced with FIGS. 16 and 17.

FIG. 16 is a functional block diagram of a monitor system according to the sixth embodiment of the present invention. A personal computer data instruction 6-1 and a signal path connected to the personal computer data instruction 6-1 are added to the monitor device 1, and the personal computer data reception 6 is performed. 13 is the same as FIG. 13 showing the fifth embodiment of the present invention, except that the PC 2 and a signal path connected thereto are added to the personal computer 2. This FIG.
6-1 is a personal computer data instruction function for instructing the personal computer 2 from the monitor device 1 which of a group of script language data stored in the memory 16 of the personal computer 2 is to be executed. This instruction is the instruction of the screen No., that is, the PLC virtual device area 28
This is an instruction to set the device value of the screen No. device stored in. 6-2, if the instruction sent from the personal computer data instruction function 6-1 of the monitor device 1 is an instruction to change the device value of the screen No. device, a group of scripts corresponding to the designated No. screen This is a personal computer data receiving function for instructing the automatic setting function 4-1 to execute language data.

FIG. 17 is an operation flow chart of the monitor device 1 and the personal computer 2 according to the sixth embodiment of the present invention. In the operation flow of the monitor device 1, steps S6-1 to S6-2 are performed immediately before step S1-12. Is inserted, and steps S6-3 to S6-4 are inserted immediately after step S1-13, as in FIG. 14 showing the fifth embodiment of the present invention. In the operation flow of the personal computer 2 in FIG. 17, step S4-1 is replaced with step S6-5.
And immediately after step S4-2, step S4-2
6-6 is inserted, and step S5-1 is replaced with step S6-
7 and step S6-8 is replaced with step S5-
The configuration is the same as that of FIG. 14 except that it is inserted immediately after 2. Next, the operation of the monitor device 1 and the personal computer 2 will be described with reference to FIG.
7 will be described. In the operation flow of the monitor device 1, in step S6-1, a script language device automatic setting request (information having a screen number) is transmitted to the personal computer 2, and the process proceeds to step S6-2.

Step S 6 of the operation flow of the personal computer 2
5 is in an automatic setting mode using a script language, and when the device automatic setting request is received and the personal computer data receiving function 6-2 receives the request, the script language data for displaying the screen of the designated No is selected. Then, the process proceeds to step S4-2. After executing step S4-2, the process proceeds to step S6-6, where an automatic write completion signal is sent to the monitor device 1, and the process proceeds to step S3-1.
, And the process proceeds to step S6-7. Step S
If it is not in the automatic setting mode in the script language in 6-5, the process proceeds to step S2-1. When the monitor device 1 receives the automatic write completion signal from the personal computer 2, the process proceeds from step S6-2 to step S6-3. In step S6-3, a script language device automatic confirmation request (information having a screen number) is transmitted to the personal computer, and step S6-
Proceed to 4. The personal computer 2 is in the script language automatic confirmation mode in step S6-7, receives a script language device automatic confirmation request from the monitor device 1, and instructs the personal computer data reception function 6-2 to accept the request. The script language data corresponding to the screen data of No. is selected, and the process proceeds to step S5-2. After the execution of step S5-2, the process proceeds to step S6-8, where a data confirmation completion signal is transmitted to the monitor device 1, and the process proceeds to step S5-3.
Proceed to. If it is not in the script language automatic confirmation mode in step S6-7, the process returns to step S4-1.

According to the embodiment of the present invention, the instruction to set the value of the screen No. device in the personal computer 2 at the time of switching the monitor screen in the monitor device 1 is issued to the personal computer 2.
And send the corresponding script language data to PC 2
Therefore, the screen can be easily and promptly checked even when the monitor screen is switched in the monitor device 1.

Embodiment 7 FIG. Overview: In Embodiment 6 of the present invention, the execution contents of the monitor device 1 or the personal computer 2 by executing script language data and the like are left as log data, and the communication contents between the monitor device 1 and the personal computer 2, the communication order, and the like. Can be checked later.

A diagram showing a monitor system according to a seventh embodiment of the present invention is shown in FIG. 1, FIG. 16 and FIG. 17 except that FIG. 18, FIG. 19 and FIG. Is similar to FIG.

FIG. 18 is a hardware block diagram of a monitor system according to Embodiment 7 of the present invention. FIG. 18 is the same as FIG. 1 showing the first embodiment of the invention, except that a printer 32 is additionally connected to the internal bus connected to the CPU 14 in the personal computer 2.

FIG. 19 is a functional block diagram of a monitor system according to the seventh embodiment of the present invention.
The log output function 7-1 as a logging means, the log data 31 as a logging memory, and the print 32, and a signal path connected to them are added. The same is true. In FIG. 19, a log output function 7-1 has a function of writing an instruction from the monitor device 1 to the log data 31, editing log data, and printing log data.

FIG. 20 is a flowchart showing the operation of monitor device 1 and personal computer 2 according to the seventh embodiment of the present invention. The operation flow of monitor device 1 is the same as that shown in FIG. . In the operation flow of the personal computer 2, immediately after step S6-6, step S7-1 is executed.
However, immediately after step S6-8, step S7-11,
Except that steps S7-2 to S7-5 are inserted immediately after step S5-4, this is the same as FIG. 17 showing the sixth embodiment of the present invention. Next, the operation of the personal computer 2 will be described with reference to FIG. Step S7
In -1, the automatic writing by the script language data in the device automatic writing by the script language data is written in the log data 31, and the process proceeds to step S3-1. In step S7-11, which script language data was used for automatic confirmation in the device automatic confirmation based on the script language data is written in the log data 31, and the process proceeds to step S5-3. In step S7-2, it is checked whether the log data editing is specified. If the log data editing is specified, the process proceeds to step S7-3, where the log data is edited so as to conform to the specified print format, and the log data editing is performed. If no is specified, step S
Go to 7-4. In step S7-4, it is checked whether or not log data printing is specified. If log data printing is specified, the flow advances to step S7-5 to print log data. The flow advances to step S1-14, and log data printing is specified. If not, the process proceeds to step S1-24.

FIG. 20 only logs the automatic device setting and automatic confirmation in the script language, but immediately after step S1-19, immediately after step S1-20, immediately after step S2-3, and , Step S1
By providing a step of writing a log to the log data 31 immediately after -25, the screen data transmitted from the personal computer 2 to the monitor device 1, the activation of the PC virtual function,
It is also possible to log the end of the C virtual function, the change of the device from the keyboard, and the like. FIG. 21 is a diagram showing an example of printed log data in such a case.

According to the embodiment of the present invention, the degree of debugging of screen data can be confirmed later, and there is an effect that the management of debugging can be facilitated.

Embodiment 8 FIG. Overview: In the seventh embodiment of the present invention, the personal computer 2 has a device information table indicating devices to be used for each PC, and the device name in the read device request transmitted from the monitor device 1 is set in the personal computer 2.
It is possible to confirm whether there is no problem by referring to the device information table corresponding to the C type.

FIGS. 19 and 20 show a monitor system according to an eighth embodiment of the present invention.
23 and FIG. 23 are the same as those in the seventh embodiment of the present invention.

FIG. 22 is a functional block diagram of the monitor system according to the eighth embodiment of the present invention. The personal computer 2 has a PLC type setting function 8-1, a device confirmation function 8-2 as screen data confirmation means, and a device. It is the same as FIG. 19 showing the seventh embodiment of the present invention except that an information table 33 and a signal path connected to these are added. P
The LC type setting function 8-1 is a function for setting the type of the PC, and the device confirmation function 8-2 refers to the device information table 33 to confirm the device name and the device value to be sent to the monitor device 1, Indicates the error content on CRT1
7 is a function to be displayed.

FIG. 23 is an operation flow chart of the monitor device 1 and the personal computer 2 according to the eighth embodiment of the present invention. The operation flow of the monitor device 1 is the same as that of FIG. . In the operation flow of the personal computer 2, immediately after step S1-20, step S8-
1 and FIG. 20 showing the seventh embodiment of the present invention, except that a process consisting of steps S8-3 to 8-5 is inserted immediately before step S1-23. The same is true. Next, the operation of the personal computer 2 will be described with reference to FIG. Step S1-2
From 0, the process advances to step S8-1 to determine whether or not the PC type setting is specified. If it is determined in step 8-1 that the PC type setting has not been specified, the process proceeds to step S4-1. If it is determined in step 8-1 that the PC type setting has been designated, step S8
Go to -2, and after setting the type of PC, step S4-
Proceed to 1. If it is determined in step S1-22 that the reading of the device value from the PC virtual device area 28 has not been completed, the process proceeds to step S8.
The process proceeds to -3, and it is confirmed based on the device information table 33 whether the device having the device name transmitted from the monitor device 1 is a device within the data points or a supported device. If the data is normal, the device value is read from the PC virtual device area 28 in step S8-4, and the flow advances to step S1-23. If abnormal, step S8-
In step S5, the error data is displayed on the CRT.
Proceed to 3.

FIG. 24 is a diagram showing an example of error data display when a data error occurs in step S8-3.

Although the device support range varies depending on the type of PC, according to the embodiment of the present invention, the personal computer 2 has information indicating the type of device used and the number of devices for each type of PC, and the By specifying the type of PC to be used, the validity of the device (device name) or the like for which the contents have been transmitted from the monitor device 1 can be confirmed, and the operability in debugging is improved.

[0084]

As described above, according to the present invention, in the screen data creation device, the screen data is created by the screen data creation means, and the screen data is sent to the monitor device by the transmission means to simulate the device values. The simulated device value is read from the second device memory storing the simulated device value based on the request signal from the monitor device and transmitted to the monitor device, and the monitor device receives the screen data from the screen data creation device by the receiving means. The state is obtained from the first device memory of the programmable controller from the state obtained from the first device memory of the programmable controller, and the receiving means changes the state obtained from the second device memory to the state indicated by the device name described in the screen data. Switching based on the switching signal, sending a request signal to the screen data creation device and Since the screen value is received and the screen display means displays the screen based on the received simulated device value and the screen data stored in the screen data memory, there is no need for a PC, a robot or a numerical controller connected to the PC. This also has an effect that the screen data can be easily confirmed, and the debugging of the screen data can be facilitated and the efficiency can be improved.

Further, in the screen data generating device, the contents of the second device memory can be set and changed by input from the keyboard, so that the device value of an arbitrary device name can be easily changed and the screen data can be easily debugged. This has the effect of increasing efficiency.

Further, since the set or changed device values can be displayed in the screen data creation apparatus, there is an effect that the debugging of the screen data can be facilitated and the efficiency can be improved.

In the screen data creation device, the second
Since the first script language data described in the script language for setting the contents of the device memory can be executed, it is possible to easily set the device values of many devices,
There is an effect that the debugging of the screen data can be made easier and more efficient.

In the screen data creation device, the second
Since the second script language data described in the script language for confirming the contents of the device memory can be executed, it is possible to easily confirm the values of a large number of devices, and to facilitate the debugging and the efficiency of the screen data. .

In executing the first / second script language data, the first / second script language data corresponding to the screen data of the designated screen number is designated by the designation of the screen number from the monitor device.
Since the second script language data can be executed, there is an effect that it is easy to set / confirm the device values of a large number of devices corresponding to the screen data.

Further, in the screen data generating apparatus, the logging means stores the input device name, device value, the confirmation result thereof, etc. in the logging memory in a history, so that the contents of the screen data debugging and the degree of debugging are stored. However, there is an effect that debugging management can be easily performed.

[0091]

[Brief description of the drawings]

FIG. 1 is a block diagram of a monitor device according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a memory map of a PLC virtual device area in a memory of the personal computer according to the first embodiment of the present invention.

FIG. 3 is a configuration diagram showing a monitor device according to the first embodiment of the present invention by functional blocks.

FIG. 4 is a flowchart showing operations of the monitor device and the personal computer according to the first embodiment of the present invention.

FIG. 5 is a configuration diagram showing a monitor device according to a second embodiment of the present invention by functional blocks.

FIG. 6 is a flowchart showing operations of a monitor device and a personal computer according to Embodiment 2 of the present invention.

FIG. 7 is a configuration diagram illustrating a monitor device according to a third embodiment of the present invention by functional blocks.

FIG. 8 is a flowchart showing operations of a monitor device and a personal computer according to Embodiment 3 of the present invention.

FIG. 9 is a view showing a C of the personal computer according to the third embodiment of the present invention;
It is a figure showing an example display screen (device value display screen) in RT.

FIG. 10 is a configuration diagram showing functional blocks of a monitor device according to a fourth embodiment of the present invention.

FIG. 11 is a diagram showing contents of an example script language data file according to a fourth embodiment of the present invention.

FIG. 12 is a flowchart showing operations of a monitor device and a personal computer according to Embodiment 4 of the present invention.

FIG. 13 is a configuration diagram illustrating a monitor device according to a fifth embodiment of the present invention by functional blocks.

FIG. 14 is a flowchart showing operations of a monitor device and a personal computer according to Embodiment 5 of the present invention.

FIG. 15 is a diagram showing a display (device data error display) screen of an example of a CRT of a personal computer according to Embodiment 5 of the present invention.

FIG. 16 is a configuration diagram illustrating a monitor device according to a sixth embodiment of the present invention by functional blocks.

FIG. 17 is a flowchart showing operations of a monitor device and a personal computer according to Embodiment 6 of the present invention.

FIG. 18 is a block diagram of hardware of a monitor system according to a seventh embodiment of the present invention.

FIG. 19 is a configuration diagram illustrating a monitor device according to a seventh embodiment of the present invention by functional blocks.

FIG. 20 is a flowchart showing operations of a monitor device and a personal computer according to Embodiment 7 of the present invention.

FIG. 21 is an explanatory diagram showing log data printed in the seventh embodiment of the present invention.

FIG. 22 is a configuration diagram showing a monitor device according to an eighth embodiment of the present invention by functional blocks.

FIG. 23 is a flowchart showing operations of the monitor device and the personal computer according to the eighth embodiment of the present invention.

FIG. 24 is a diagram showing a display (device confirmation error display) screen as an example of a CRT according to the eighth embodiment of the present invention.

FIG. 25 is a diagram showing a display (device information display) screen of an example of a CRT according to the eighth embodiment of the present invention.

FIG. 26 is a block diagram showing a system in which a monitor device and a personal computer are used.

FIG. 27 is a hardware block diagram showing a conventional monitor device.

FIG. 28 is a memory 11 according to the first embodiment of the present invention.
3 is a diagram showing a memory map of FIG.

FIG. 29 is a memory 21 according to the first embodiment of the present invention.
FIG. 6 is a diagram showing a memory map of a device area in FIG.

FIG. 30 is a configuration diagram showing a conventional monitor device by functional blocks.

FIG. 31 is a flowchart showing the operation of the conventional monitor device.

FIG. 32 is a diagram showing an example of screen data.

FIG. 33 is a diagram showing an example display screen.

[Explanation of symbols]

1 monitor device 1-1 PC I / F function 1-2 PC setting reading function 1-3 PC read function 1-4 PC reading function 1-5 Display function 1-6 Screen setting function 1-7 Monitor I / F function 1-8 PC virtual function 2 Personal computer 2-1 Keyboard input function 3 PC 3-1 Display function 4 PC 4-1 Automatic setting function 5 PC 5-1 Data confirmation function 6 Robot 6-1 PC data instruction 6-2 PC data reception 7 Numerical control device 7-1 Log output function 8 Control LAN 8-1 PC type setting function 8-2 Device confirmation function 9 CPU 10 CRT 11 memory 12 PCI / F 13 PC I / F 14 CPU 15 Monitor device I / F 16 memory 17 CRT 18 Keyboard 19 CPU 20 Monitor device I / F 21 memory 22 Screen data area 25 Device registration area 26 Device value area 27 Device area 28 Device area 29 Script language data 30 Data confirmation results 31 Log data 32 print data 33 Device Information Table 34 Virtual device value information 35 Virtual device data confirmation result 36 Device confirmation error information

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification code FI G06F 3/14 310 G06F 11/32 A 320 G05B 19/05 D 11/32 W (58) Field surveyed (Int. Cl. ⁷ G05B 19/4063 G05B 15/02 G05B 19/048 G05B 19/048-19/414 G05B 23/02 301 G06F 3/14 310 G06F 3/14 320 G06F 11/32

Claims (14)

(57) [Claims] 1. A sequence program in which a first device memory storing a device value indicating a state of a device provided as a control target and a device name indicating an address of the first device memory is described is repeatedly executed. A programmable controller that controls the control target via the first device memory, a monitor device that monitors the status of the control target via the programmable controller, and screen data indicating screen display contents in the monitor device. A screen data creation device for creating the screen data, wherein the screen data creation device stores screen data creation means for creating the screen data, and a simulated device value simulating the device value. 2 device memory and screen data created by the screen data creation means Have a second transmission unit that transmits the screen data to the read the monitoring device to the simulated device value from the second device memory by a request signal from the first transmission portion and the monitor unit to be transmitted to the monitoring device
A transmission means for the said monitoring device, and the screen data memory receives the screen data from the screen data generating apparatus to the screen data memory write, the device name written in the screen data The state in which the indicated device value is obtained from the first device memory is switched to a state in which the device value is obtained from the second device memory based on a predetermined switching signal, the request signal is sent to the screen data creation device, and the simulated device value is received. And a screen display means for displaying a screen based on the simulated device value received by the receiving means and the screen data stored in the screen data memory. 2. The monitor system according to claim 1, wherein the screen data creation device has a change unit that enables setting and change of the contents of the second device memory by input from a keyboard. 3. The monitor method according to claim 2, wherein the screen data creation device has display processing means for displaying a set or changed device value and enabling confirmation thereof. 4. The screen data creation device is stored in advance.
A first script language data executing means for executing the first script language data for setting by the script language in which the first script language data is set.
4. The monitor system according to claim 1, wherein the contents of the device memory can be set. 5. The screen data creation device according to claim 1 , wherein
A second script language data executing means for executing second script language data for confirmation in the script language that is present.
5. The monitor system according to claim 1, wherein the contents of the device memory can be confirmed. 6. The first / second script language data executing means executes first / second script language data corresponding to the screen data of the designated screen number by designating the screen number from the monitor device. 5. The method according to claim 4, wherein
Or the monitor system according to claim 5. 7. The screen data creation device has a logging memory, and logging means for historically storing the input device name, device value, their confirmation result, and the like in the logging memory. The monitor system according to claim 1. 8. The status of a device provided in a control target is
Address of the first device memory in which the device value is stored.
Sequence program that describes the device name
The above control target is controlled by repeatedly executing the program
The state of the above control target via a programmable controller
Shows the contents of the screen display on a monitor device that monitors the situation
Processing by screen data creation device that creates screen data
Means that the screen data is created by the screen data creation means.
And the two transmitting units of the transmitting means, respectively,
The screen data is transmitted to the monitor device, and the
The second where the simulated device value for simulating the chair value is stored
Based on the request signal from the monitor device from the device memory
The simulated device value is read and sent to the monitor.
Receiving by the monitoring device.
Receives the screen data from the screen data creation device.
Stage that is received by the communication means and written into the screen data memory
The floor and the receiving means are described in the screen data
The device value indicated by the device name is stored in the first data
From the state obtained from the device memory,
Switch to the state obtained from the memory based on the predetermined switch signal, and
Sends the above request signal to the screen data creation device and
Receiving the device value and receiving the simulated device.
Values stored in the screen data memory
Screen display means for displaying a screen by screen data,
A monitoring method comprising: 9. The processing by the screen data creation device is performed by a key
Setting of the contents of the second device memory by input from the board
Setting and changing
The monitoring method according to claim 8, wherein 10. The processing by the screen data creating device is set up.
Displaying the set or changed device values.
10. The monitoring method according to claim 9, wherein: 11. The processing by the screen data creation device may be
2Depending on the script language for setting the contents of the device memory
Execute the first script language data described in advance
11. The method according to claim 8, comprising steps.
The monitoring method according to any one of the above. 12. The processing by the screen data creation device is a
2Depending on the script language that checks the contents of the device memory
Executes the second script language data described in advance
12. The method according to claim 8, comprising steps.
The monitoring method according to any one of the above. 13. The method according to claim 1, wherein the first / second script language data is executed.
The step of executing is performed by specifying the screen number from the monitor device.
The first / first corresponding to the screen data of this designated screen number
Executing the second script language data
A monitoring method according to claim 11 or claim 12. 14. The processing by the screen data creation device includes an input
Input device name, device value, their confirmation result, etc.
Is stored in the logging memory
2. The method according to claim 1, further comprising the steps of:
3. The monitoring method according to any one of 3.