JP3493613B2 - Programmable controller system integrated monitor tool - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mable controller system integrated monitor tool for monitoring and accessing the resources of a system constructed by a plurality of PLCs (program controllers).

[0002]

2. Description of the Related Art Conventionally, when monitoring or accessing resources of a system constructed by a plurality of PLCs such as I / O memory (hereinafter referred to as IOM) and UM (user program memory), a series of It is necessary to recognize the processing of.

For example, in an FA (Factory Aoutmation) system which is a system constructed by a plurality of PLCs, when it is desired to obtain IOM information for a predetermined PLC in the network, a node in the network of the corresponding PLC in advance. It was necessary to know the address, then issue a message requesting the contents of the IOM to this node, and receive a reply message from the corresponding node, in consideration of a series of operations.

Further, in the process of online-editing a program of a predetermined PLC, first, as described above, the node address in the network of the corresponding PLC in the network is known, and the contents of the UM are sent to the corresponding node. It issues a request message and receives a message from the corresponding node. After that, the user edits the program, issues a message to the PLC to suspend the execution of the program of the corresponding node, and when receiving the response message, issues a request message for downloading the program to the relevant node. After that, it is necessary to recognize and perform a series of operations such as requesting the start of the program for it.

[0005]

However, as described above, the PLC of the system constructed by a plurality of PLCs is used.
When monitoring or accessing the contents of the above, since it is necessary to recognize and perform a series of processing, there is a problem that it is very difficult for a user to use and the processing load is not negligible.

Therefore, the present invention has been made in view of the above problems.
An object of the present invention is to provide a PLC system integrated monitor tool which is convenient for the user, without recognizing a series of processes when monitoring or accessing the contents of a system composed of a plurality of PLCs.

[0007]

In order to achieve the above object, the invention according to claim 1 is a programmable controller for monitoring and accessing the resources of a system constructed by connecting a plurality of programmable controllers to a network. a system integration monitor tool, the above-flops
Logable controller system integrated monitor tool
Are the programs connected to the above networks.
From the programmable controller to the programmable controller
Node address and no
Internal address, and the programmable code
For each controller, the node address obtained above and
Store the in-node address in the detail table and use this detail table.
Node address and in-node address are stored in the table
On the screen the name of the programmable controller
And means for displaying.

[0008]

[0009]

In the invention according to claim 1, in the above-mentioned
Logable controller system integrated monitor tool
In addition, each of the above connected to the network
From the programmable controller,
A connection unit for connecting the controller to other networks.
Knit name and its attributes, and the programmable
Name of the program unit existing in the controller
And its attributes.

In the invention described in claim 1, the above-mentioned professional
Gramable Controller System Integrated Monitor Tool
In addition, the programmer connected to the above network
Controller's user memory name, its attributes, and sequence
And the name of the IO memory of the programmable controller
And its attributes.

In the invention according to claim 1, in the above-mentioned
Logable controller system integrated monitor tool
In addition, each of the above connected to the network
The programmer acquired from the programmable controller
Node on the above network
Address and address in the node, based on the detailed table above
The applicable programmable controller from the
And for this identified programmable controller
While sending a request message for detailed information items,
Programmable controller according to the request message of
Displaying detailed information items sent from the screen
Good as

The invention according to claim 5 is a plurality of programs.
Buildable with a ramable controller connected to the network
The resources of the created system by software by IEC1131.
Programmers that monitor and access based on wear model
Bull controller system integrated monitor tool,
Programmable controller system integrated monitor
Are connected to each of the above programs connected to the above network.
Connect to the network from the programmable controller
Configuration name, resource name, and task
And the programmable controller
For each license, the configuration name and
Store the source name and task name in the details table and
Configuration table, resource name and
And a programmable controller that stores task names
And a means for displaying the name of LA on the screen.
To do.

According to the present invention, system resources can be monitored and
Since a series of processing for accessing is specified by a predetermined screen and a predetermined item provided in the screen, the user can perform the series of processing without recognizing the series of processing.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a PLC system integrated monitor tool according to the present invention will be described below with reference to the drawings.

FIG. 1 is a construction diagram of a system (hereinafter referred to as a PLC system) which is monitored and accessed by a PLC system integrated monitor tool according to an embodiment of the present invention.

This PLC system, as shown in FIG.
First LAN1 (LocalAreaNetwork)
And the second LAN2, and the first LAN1
PLC system integrated monitor tool (hereinafter simply referred to as monitor tool) 10, # according to this embodiment, which will be described later.
1 PLC20, # 2 PLC20, # 3 PLC2
0, # 4 PLC20 and # 5 PLC20 are provided, and # 2 PLC20 and # 6 PL20 are provided in the second LAN2.
A C20 and # 7 PLC 20 are provided. Moreover, the first LAN1 and the second LAN2 are PLs of # 2.
It is connected via C20.

The PLCs # 1 to # 7 not only have detailed information items such as the node address and in-node address of each PLC itself, but also the built-in UM and I.
The OM is also configured to have detailed information items such as a node address and an in-node address.

The monitor tool 10 of this embodiment is composed of a PC (Parsonal Computer) with a mouse, and monitors and edits the resources of each PLC in the PLC system described above, such as user programs. .

The monitor tool 10 of this embodiment is also used.
Is displayed by clicking or double-clicking the main screen that starts up automatically when it is activated, and the specified items displayed on this main screen with the mouse.
It has an OM information screen, a UM information screen, and a BASIC program editor screen.

The monitor tool of this embodiment displays the display information, that is, the "thing" name from the detailed information items sent from the PLC based on a detailed table incorporated therein to display the screen as described above. , "Attribute name"
Are configured to be taken out and a screen is displayed using these.

Here, as shown in FIG. 2, the detailed table 50 built in the monitor tool of this embodiment stores what can be displayed in the tree display area of the main screen described later. "Area 51," mono "area 51, a node address area 52 for storing a node address on the network, and an in-node address area 53 for storing the in-node address
And an attribute area 54 for storing the attribute name of "thing".

Here, the above-mentioned display screen will be described.

A) Main screen The main screen is a screen that automatically starts up when the monitor tool 10 is activated, and the PLC 20 provided in the network 1 to which the monitor tool 10 is connected.
Is a screen for monitoring.

This main screen, as shown in FIG.
A title bar 1A which has a window A and which displays the PLC currently being clicked,
Tree display area 2 for displaying PLC 20 provided in network 1 to which monitor tool 10 is connected
A and a detailed item area 3A for displaying detailed items of the clicked PLC 20 when one of the PLCs 20 displayed in the tree display area 2A is clicked with a mouse.

Incidentally, in FIG. 3, the title bar 1
It is displayed in A that PLC2 in the tree display area 2A is clicked, and the tree display area 2A is displayed.
To the network where the monitor tool is connected to, #
1 PLC20 (displayed as PLC1 on the screen), #
2 PLC20 (displayed as PLC2 on the screen), #
3 PLC20 (displayed as PLC3 on the screen), #
4 PLC20 (displayed as PLC4 on the screen) and # 5 PLC20 (displayed as PLC5 on the screen)
Is displayed, and the detailed item area 3A has detailed items “UM”, “SLK_UNIT”, and “BASIC_UN” of the clicked PLC 2.
"IT" and "IOM" are displayed.

Here, "SLK_UNIT" means another
It shows that you are also connected to the network ,
"BASIC_UNIT" indicates a program name existing in the programmable controller unit.

Further, in this main screen, when one of the PLCs displayed in the tree display area 2A is double-clicked, as shown in FIG. 4, an attribute "" is displayed under the double-clicked PLC. UM ”,“ SLK_
"UNIT" and "BASIC_UNIT" are displayed in a subtree in this order.

Incidentally, the tree display area 2 in FIG.
When PLC2 in A is double-clicked, as shown in FIG. 4, "UM", "SLK_UNIT", and "BASIC_" showing attributes are displayed under the double-clicked PLC2.
UNIT "is displayed in a subtree in this order.

Further, when the attribute item "UM" item displayed on the subtree as described above is double-clicked on this main screen, as shown in FIG. 5, this "U" item is displayed.
A subtree with the program name is displayed under M ".

Incidentally, the main screen is "U" in FIG.
When you double-click on "M", as shown in Fig. 5, "PROGRAM" is displayed under "UM" that was double-clicked.
A subtree with "A" and "PROGRAM B" is displayed.

Further, when the attribute item "SLK_UNIT" displayed on the subtree from the PLC is double-clicked on this main screen as shown in FIG. 4, as shown in FIG. 6, this "SLK_UNIT" is displayed. The PLC provided in the LAN 2 to which the PLC that was double-clicked previously is connected is displayed below.

Incidentally, the main screen is "S" in FIG.
When you double-click on "LK_UNIT", as shown in Fig. 6, this double-clicked "SLK_UNIT".
Below, a subtree with "PLC6" and "PLC7" is displayed.

This means that PLC2 is not only LAN1 but also L1.
It is also connected to AN2, and PLC6 is connected to LAN2.
And PLC7 are connected.

Further, this main screen is also shown in FIG.
If you double-click the "BASIC_UNIT" shown in, the "BASIC_UNI" will be displayed as shown in FIG.
The program name of the BASIC program is displayed under T ".

Incidentally, the main screen is "B" in FIG.
When you double-click "ASIC_UNIT", as shown in Fig. 7, the double-clicked "BASIC_U" is displayed.
Under NIT ", a subtree with PROGRAM 1" is displayed.

This shows the program name to be edited in PLC2.

(B) IOM information screen The IOM information screen is the tree display area 2 of the main screen.
Displayed when you double-click the PLC on A,
It is a screen that is launched by double-clicking "IOM" in the detailed item area 3A, and is a screen for monitoring the IOM contents of the previously double-clicked PLC.

As shown in FIG. 8, this in-IOM information screen has a window B. In this window B, a title bar 1B for displaying the title of this screen, a menu bar 2B for displaying a processing menu, and an IOM screen. It has an IOM information area 3B for displaying information.

Incidentally, in FIG. 8, the title bar 1
B indicates “PLC” indicating that it is IOM information of PLC2.
2: IOM information ”is displayed and the menu bar 2B
Menu items such as file (F), edit (E), jump / search (S), mode (M) and display (V) are displayed in the IOM information area 3B.
The C2 IOM information is displayed in hexadecimal (hexadecimal).

C) UM internal information screen As shown in FIG. 5, the UM internal information screen is displayed when the program displayed in the subtree displayed below the UM in the tree display area 2A in the main screen is double-clicked. Which has a window C, a title bar 1C for displaying the title of this screen, a menu bar 2C for displaying a processing menu, and a SFC or IL language display for the above double-clicked program. It has a UM information area 3C.

Incidentally, in FIG. 9, the title bar 1
C indicates that the program in the UM internal information displayed on this Window C is "PROGRAM A", and the menu bar 2C indicates File (F), Edit (E), Mode (M) and display. A menu item called (V) is displayed, and "PR" is displayed in the UM information area 3C.
The OGRAM A ″ described in SFC is displayed.

Here, the U in the SFC display shown in FIG. 9 is displayed.
On the information screen in M, by clicking "mode (M)" in the menu bar 2C, as shown in FIG.
It is also possible to switch from SFC display to IL language display.

D) BASIC program editor screen As shown in FIG. 7, the BASIC program editor screen is displayed as "BAS" in the tree display area 2A in the main screen.
11 is a screen that is displayed under "IC_UNIT" and is started by clicking the program name.
As shown in FIG.
Title bar 1 that displays the title of this screen on wD
D, a menu bar 2D displaying a processing menu, and B of the program double-clicked on the main screen described above.
It has an editor area 3D for displaying an ASIC program editor.

Incidentally, in FIG. 11, "BASIC Program Ed" indicating that the title bar 1D is the BASIC program editor screen of PLC2 is displayed.
"Itor" is displayed, and menu items such as file (F), edit (E), search / jump (S), and window (W) are displayed on the menu bar 2D.

Next, a series of operating methods of the monitor tool of this embodiment having such a screen will be described with reference to FIG.

P in the tree display area 2A of the main screen
When LC is clicked, the detailed item of the clicked PLC is displayed in the detailed item area 3A (see FIG. 3), and when the previous PLC is double-clicked, the subtree of the double-clicked PLC is displayed.

If "IOM" is double-clicked among the detailed items in the detailed item area 3A, the in-IOM information screen is displayed (see FIG. 8).

When "UM" of the subtree is double-clicked in the tree display area 2A on the main screen,
A subtree having programs is displayed under this "UM", and the program name stored by the UM is displayed in the detailed item area 3A (see FIG. 5). Then, when the program name on the subtree is double clipped, the UM information is displayed. A screen is displayed (see FIGS. 9 and 10).

In the above description, "SLK" is used instead of "UM".
If you double-click on "_UNIT", this "SLK_"
A subtree having a PLC connected to the LAN 2 is displayed under "UNIT", and the PLC name is displayed in the detailed item area 3A (see FIG. 6).

When "BACIC_UNIT" is double-clicked, a subtree having a program is displayed under this "BACIC_UNIT" and the program name is displayed in the detailed item area 3A (see FIG. 7).

When the program in the subtree in the tree display area 2A is double-clicked, the BASIC program editor screen is displayed (see FIG. 11).

Next, the processing operation of the monitor tool of this embodiment will be described with reference to the flowchart 13 of FIG.

When the monitor tool of this embodiment is activated, the monitor tool gives the node address and the in-node address from the detailed information of each PLC to the PLC connected to the network to which the monitor tool is connected. It is read and acquired (step 110).

The monitor tool is based on the detail table.
PLC1, PLC2, PLC3, PLC corresponding to the acquired node address and in-node address of each PLC
4, PLC 5 is designated, and these are displayed in the tree display area 2A of the main screen (step 120).

Subsequently, the user determines whether or not to close the main screen (step 130), and when closing the screen (step 130; Y), closes the open window and terminates the processing. When the screen is not closed (step 130; N), a predetermined item is clicked to continue the next process.

[0057] Then, monitor tool, which is clicked to identify what (step 140), to determine the attributes of the identified ones (step 150).

As a result of judging the attribute of the clicked object, the monitor tool performs the following processing according to the judgment.

(1) When the attribute is PLC (step 150; PLC) When the monitor tool determines that the attribute of the clicked item is PLC, a request message for detailed information items is sent to each determined PLC. Send (step 160)
A).

Then, each PLC receiving this message
Each of 1, PLC2, PLC3, PLC4, PLC5 transmits the detailed information item that it has to the monitor tool.

The monitor tool 10 includes PLC1 and PLC.
2, PLC3, PLC4, PLC5 receives the detailed information item (step 170A), and if this detailed information item is different from the contents of the detailed table, it is updated to the detailed information item in the detailed table (step 180A), step 1
Then, the contents are returned to 20, the contents are displayed on the screen , and the process is continued if necessary.

(2) When the attribute is UM (step 1
50; UM) The monitor tool 10 has the attribute UM of what is clicked.
If it is determined that the request is for the UM in the corresponding PLC, a request message for transmitting the program in the UM and detailed information items is transmitted (step 160B).

Then, the UM receiving this message
The stored program and detailed information item are transmitted to the monitor tool 10.

The monitor tool 10 receives the program and the detailed information item from the corresponding UM (step 17).
0B), if the detailed information item is different from the contents of the detailed table, the detailed information item is updated to the detailed information item received, the process returns to step 120 and these contents are displayed on the screen , and the process is continued as necessary. To do.

(3) When the attribute is IOM (step 150; IOM) In the monitor tool 10, the attribute of the clicked item is IO.
When it is determined that the data is M, a request message for the data content and detailed information item is transmitted to the IOM in the corresponding PLC (step 160C).

Then, the IOM receiving this message
Sends the stored data content to the monitor tool 10.

[0067] monitor tool 10, receives the data content from the appropriate IOM (step 170C), to launch the IOM information screen display program (step 180C),
Return to step 120 to display these contents on the screen ,
The processing is continued as necessary below.

(4) If the attribute is SLK_UNIT (step 150; SLK_UNIT) The monitor tool 10 has an attribute of SL that was clicked.
When it is determined that the K_UNIT, for the SLK_UNIT in the appropriate PLC PLC sends a request message PLC and detailed information item is provided in the LAN2 (step 160D).

Then, SLK_ that received this message
UNIT sends the PLC provided in LAN 2 and the detailed information item to monitor tool 10.

The monitor tool 10 uses the corresponding SLK_U.
The PLC provided in the LAN 2 and the detailed information item are received from the NIT (step 170D), and if the detailed information item is different from the contents of the detailed table 50, the detailed information item is updated to the detailed information item (step 18).
0D), the process returns to step 120 to display these contents on the screen , and the process is continued as necessary.

(5) When the attribute is BASIC_UNIT (step 150; BASIC_UNIT) In the monitor tool 10, the attribute of the clicked object is BA.
When it is determined that the SIC_UNIT, the corresponding PLC
The request message for the BASIC program and the detailed information item is transmitted to the BASIC_UNIT at step 160E.

Then, the BASI receiving this message
C_UNIT is a BASIC program and detailed information
Send the item to the monitor tool 10.

The monitor tool 10 is a corresponding BASIC.
Receive program and detailed information items (Step 1
70E), if the detailed information item is different from the content of the detailed table 50, the detailed information item is updated to the detailed information item that has received the detailed table 50 (step 180D), and the process returns to step 120 to display these contents on the screen. Continue processing according to.

(6) When the attribute is the program name (step 150; PLC) When the monitor tool 10 determines that the attribute of the clicked item is the program name (step 160F), the specified program is assigned to the corresponding PLC. A request message is transmitted (step 160F).

Then, the PLC that received this message
Sends the contents of the designated program to the monitor tool 10.

[0076] monitor tool 10, receives the program (step 170F), start the program edit screen display program (step 180F), to display these contents on the screen is returned to step 120, if necessary following treatment To continue.

In the monitor tool of this embodiment, a series of processes for monitoring / accessing system resources are performed by using the departure screen as the main screen and designating predetermined items thereof, so that the IOM internal information screen is displayed according to the process. Since the UM internal information screen and the BASIC program editor screen are displayed, it is not necessary to recognize and perform a series of processes as in the conventional case, the processing load on the user can be reduced, and the usability can be improved.

Another embodiment will be described.

In order to monitor the resources of the PLC system, etc., in addition to the case of using the physical configuration and hardware as in the monitor tool of the above-described embodiment, the IEC
(International Electrotechnical Commission) 113
There are cases where it is desired to do this based on the software model according to 1.

FIG. 14 is a main screen for monitoring the resources of the PLC system based on the software model.

In this main screen, as the items displayed in the tree display area, the configuration, the resources displayed on the subtree of the configuration,
It replaces the tasks displayed on the subtree of this resource.

Therefore, the operation of the monitor is essentially the same as the operation of the above-described embodiment, and thus the detailed description of this embodiment will be omitted. In other words, the two are the same in that the resources of the intended PLC system are monitored by clicking on a predetermined item.

[0083]

As described above, according to the present invention, a series of processes for monitoring and accessing system resources are designated by clicking a predetermined screen and a predetermined item provided in the screen. As described above, there is no need to recognize and perform a series of processes, and the processing load on the user is reduced and the usability is improved.

[Brief description of drawings]

FIG. 1 is a construction diagram of a system monitored by a PLC system integrated monitor tool according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram for explaining the contents of a detailed table incorporated in the PLC system integrated monitor tool of this embodiment.

FIG. 3 is an explanatory diagram illustrating a main screen of the PLC system integrated monitor tool of the present embodiment.

FIG. 4 is an explanatory diagram illustrating a main screen of the PLC system integrated monitor tool of the present embodiment.

FIG. 5 is an explanatory diagram illustrating a main screen of the PLC system integrated monitor tool of the present embodiment.

FIG. 6 is an explanatory diagram illustrating a main screen of the PLC system integrated monitor tool of the present embodiment.

FIG. 7 is an explanatory diagram illustrating a main screen of the PLC system integrated monitor tool of the present embodiment.

FIG. 8 is an explanatory diagram illustrating an in-IOM information screen of the PLC system integrated monitor tool of the present embodiment.

FIG. 9 is an explanatory diagram illustrating an in-UM information screen of the PLC system integrated monitor tool according to the present embodiment.

FIG. 10 is an explanatory diagram illustrating an in-UM information screen of the PLC system integrated monitor tool according to the present embodiment.

FIG. 11 is an explanatory diagram illustrating a BASIC program editor of the PLC system integrated monitor tool of the present embodiment.

FIG. 12 is an explanatory diagram illustrating a series of operating methods of the PLC system integrated monitor tool according to the present embodiment.

FIG. 13 is a flowchart showing the processing of the PLC system integrated monitor tool of this embodiment.

FIG. 14 is an explanatory diagram illustrating a main screen of a PLC system integrated monitor tool according to another embodiment.

[Explanation of symbols]

1 LAN 2 LAN 10 PLC system integrated monitor tool 20 PLC 50 Details table

Continuation of the front page (56) References JP-A-8-171571 (JP, A) Yoshinori Inoue, 2 others, Development of tools for interfacing with programmable controller in Windows 3.1, OMRON TECHNICS, Nihon , OMRON Corporation, September 25, 1995, Volume 35, No. 3, p. 254-258 What is Windows 3.0, AS CII, Japan, ASCII Co., Ltd., March 1, 1991, Volume 15, No. 3, p. 236-237 Saichi Kato, and others, Windows NT PC and Networking, Computer & Network LAN, Nihon, Ohmsha, Ltd., March 1, 1994, Volume 12, No. 3, P. 51-59 Personal computer LAN, computer & network LAN, Japan, Ohmsha Co., Ltd., July 1, 1994, Vol. 12, No. 7, p. 29-36 (58) Fields investigated (Int.Cl. ⁷ , DB name) G05B 19/02-19/05

Claims (5)

(57) [Claims] 1. A programmable controller system integrated monitor tool for monitoring and accessing the resources of a system constructed by connecting a plurality of programmable controllers to a network, said programmable controller system integrated monitor.
Tools are available for each of the above programmable programs connected to the above network.
From the controller to the programmable controller
Node address and inside node on the above network
The means for acquiring the address and the above-mentioned acquired for each programmable controller
Detailed table of node addresses and in-node addresses
The node address and node
The programmable controller that stores the internal address
A programmable controller system integrated monitor tool having means for displaying the name of the roller on the screen . 2. The programmable controller system described above.
The integrated monitoring tool for each program is connected to the above network.
From the programmable controller to the programmable controller
Name of connection unit for connecting to other networks
And its attributes, and the programmable controller
The name of the program unit existing in
The programmable controller system integrated monitor tool according to claim 1, which is obtained . 3. The programmable controller system described above.
The integrated monitor tool is a programmable controller connected to the above network.
The name of the user memory of the roller, its attributes, and the
Name of IO memory of programmable controller and its genus
The programmable controller system integrated monitor tool according to claim 1, wherein the property is acquired . 4. The programmable controller system described above.
The integrated monitoring tool for each program is connected to the above network.
The programmable controller acquired from the controller
Node address and node on the above network
From the detailed table above,
Identify the applicable programmable controller and specify this
Detailed information items for the programmable controller
Send the request message of
Is transmitted from the programmable controller according to the
2. The programmable controller system integrated monitor tool according to claim 1, wherein the detailed information items that have been received are displayed on the screen . 5. A plurality of programmable controllers are connected
The resources of the system connected to the network
Moni based on the software model by IEC1131
Programmable access controller system
An integrated monitor tool, comprising the programmable controller system integrated monitor tool described above.
Is a program that is connected to the network.
From the controller connected to the network.
Configuration name, resource name and task name.
The means to obtain and the above acquired for each programmable controller
The configuration name, resource name and task name
Store in detail table and configure in this detail table
Contains the application name, resource name and task name
The name of the programmable controller
Programmable controller system integration monitoring tool characterized by having a that means.