JP2000267710A - Method and device for generating network routing information, and recording medium recording the network routing information generating method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the generation and management of network routing information and also to easily deal with the change of a network synthesis by generating and managing an only network synthesis information for a control system by means of an exclusive tool. SOLUTION: A network synthesis setting part 20 sets the only network synthesis information for a control system according to the network synthesis information which is inputted via an input part 10. A network synthesis display part 30 displays the only network synthesis information on the control system set by the part 20, and a network synthesis check part 50 checks whether the network synthesis information has any conflict. A network routing information generation part 70 generates automatically the network routing information on a controller that is designated at the part 10 from the network synthesis information stored in a network synthesis information storage part 40.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a network routing information generating method and apparatus for automatically generating network routing information in a computer system, and a recording medium on which the network routing information generating method is recorded. The present invention relates to a network routing information generation method and apparatus for automatically generating network routing information required by each control device of a control system in which a control device such as a controller is connected via a network, and a recording medium on which the network routing information generation method is recorded. .

[0002]

2. Description of the Related Art Generally, in a control system in which a control device such as a PLC is connected to a network, a PLC connected to a certain network communicates with a PLC on a different network via a gateway station which is a relay station of the network. (Remote communication).

Here, in the PLC, the ID of the PLC on each network and the ID of the network device on each PLC are fixedly set.

Further, the host computer is RS232C
Of the above control system with a serial interface such as
By connecting to the LC, the host computer can also remotely communicate with a PLC on a different network via the gateway station of the network.

In order to realize such a remote communication function, all the related PLCs on the control system, that is, a PLC for transmitting a communication message, a PLC for a gateway station, and a PLC for receiving a communication message and returning a response. , Static network routing information,
That is, information necessary for communicating with PLCs on different networks must be set correctly.

Conventionally, such network routing information includes network configuration information of a control system, that is, an identification ID unique to all networks in the network configuration, and a PLC unique to the network.
The information is managed by individually creating each PLC using dedicated tool software on a computer with reference to the identification ID of the PLC and the identification ID of the network device unique within the PLC, and storing the created data in a storage medium.

[0007]

However, the conventional method described above has the following problems because the network routing information required by the PLCs constituting the control system differs for each PLC.

1) It is necessary for the user to create one piece of network routing information corresponding to the total number of nodes of the PLC constituting the control system, and the work and management are troublesome. There is a possibility of making mistakes.

[0009] 2) Once the network configuration of the control system is changed, it is necessary to individually reconstruct the network routing information of all PLCs. is there.

[0010] Therefore, the present invention provides a method and apparatus for generating network routing information and a network routing information which can easily create and manage network routing information and can easily cope with a change in the network configuration of a control system. An object of the present invention is to provide a recording medium on which a generation method is recorded.

[0011]

According to the present invention, each P
Only the network configuration information is defined in the control system instead of the network routing information for each LC, and only this information is created and managed by the dedicated tool. Each PLC controls the required network routing information by the dedicated tool or the PLC. Automatically generated based on network configuration information unique to the system.

According to such a configuration, 1) the network routing information required for each PLC configuring the control system can be consolidated into the network configuration information unique to the control system, so that its maintenance and management are facilitated 2). Since the network routing information required for each PLC configuring the control system can be performed only by the visual operation of creating the only network configuration information in the control system, the creation operation is simplified, and work errors by the user are reduced. 3) Even if there is a change in the network configuration of the control system, it is not necessary to individually reconstruct the network routing information for each PLC, and the network for each PLC updated only by changing only the network configuration information You can easily create routing information Etc. becomes possible.

That is, according to a first aspect of the present invention, there is provided a network routing information generating method for generating network routing information of a control system in which a plurality of control devices are connected via a network. A first step of inputting only network configuration information to the control system, a second step of storing the network configuration information, and a third step of confirming that the network configuration information is consistent. A fourth step of designating at least one control device constituting the control system, a fifth step of generating network routing information of the designated control device based on the stored network configuration information, It is characterized by having.

According to a second aspect of the present invention, there is provided a network routing information generating device for generating network routing information of a control system in which a plurality of control devices are connected by a network, wherein individual control device information constituting the control system is stored. Input means for inputting only network configuration information to the control system, storage means for storing the network configuration information input by the input means, and inconsistency with the network configuration information stored in the storage means. Confirmation means for confirming that there is no data, designation means for designating at least one control device constituting the control system stored in the storage means,
Network routing information generating means for generating network routing information of the control device specified by the specifying means based on the network configuration information stored in the storage means.

According to a third aspect of the present invention, the control system is configured on a recording medium recording a network routing information generating method for generating network routing information of a control system in which a plurality of control devices are connected via a network. A first step of inputting only network configuration information to the control system based on individual control device information, a second step of storing the network configuration information, and checking that the network configuration information is consistent. A third step of confirming, a fourth step of designating at least one control device constituting the control system, and generating network routing information of the designated control device based on the stored network configuration information. And a fifth step.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a network routing information generating method and apparatus according to the present invention and a recording medium on which the network routing information generating method is recorded will be described below in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram showing an overall configuration of a network routing information generating apparatus according to the present invention.

Referring to FIG. 1, a network routing information generating apparatus 100 automatically generates network routing information of a control system in which a plurality of control devices are connected by a network, and includes an input unit 10, a network configuration setting unit 20, a network configuration It has a display unit 30, a network configuration storage unit 40, a network configuration check unit 50, a control device information storage unit 60, a network routing information generation unit 70, a network routing information storage unit 80, and a network routing information display unit 90. They are connected to each other via a bus 1.

The input unit 10 is composed of a keyboard, a mouse, and the like, and is controlled based on individual control device information constituting a control system for which network routing information is to be generated by the network routing information generating device 100. In addition to inputting only network configuration information to the system, input for designating at least one control device constituting the control system is performed.

The network configuration setting unit 20 includes an input unit 1
Based on the network configuration information input by 0, only one network configuration information is set in this control system.

The network configuration display unit 30 performs control such as displaying the network configuration information unique to the control system set by the network configuration setting unit 20 on a display device (not shown).

The network configuration storage unit 40 stores only network configuration information for this control system set by the network configuration setting unit 20.

The network configuration check unit 50 checks whether there is any inconsistency in the network configuration information unique to the control system set by the network configuration setting unit 20.

The control device information storage unit 60 stores individual control device information constituting a control system for which the network routing information generation device 100 generates network routing information.

Network routing information generator 70
Performs an operation of automatically generating network routing information of the control device specified by the input unit 10 based on the network configuration information stored in the network configuration storage unit 40.

Network routing information storage unit 80
Are the network routing information 80-1 and 80 set by the network routing information generator 70.
.. Are stored corresponding to the designated control device.

Network routing information display section 90
Is automatically generated by the network routing information generation unit 70, and the network routing information storage unit 80
Network routing information 80-1 stored in
.. Are displayed on a display device (not shown) corresponding to each control device.

FIG. 2 is a system configuration diagram showing an example of a control system for which network routing information is to be generated by the network routing information generating device 100 shown in FIG.

In FIG. 2, the control system 200
Is a device which is connected to a network by using a PLC as a control device.
P connected via 2-1, 212-2 and 212-3
The gateways 222-1 and 222-2 are connected to the LCs 211-1, 211-2 and 211-3 and the network 220.
PLC 221-1, PL connected via 222-3
C221-2, PLC221-3 and network 2
The gateway 232-1, 232-2, 232-
3, 232-4, 232-5, and PLCs 221-1, 231-2, 231-3, 2 connected via 232-6.
31-4, 231-5, and 231-6, the PLC 211-3 is connected to the network 230 via the gateway 213, and the PLC 221-1 is
It is connected to the network 230 via the gateway 223.

In such a configuration, the generation of the network routing information allows, for example, the network 2
10 is connected to the PLC 231-1 connected to another network 230 and the PLC 211-1 connected to the other network 230.
-3 can be used as a relay PLC for remote communication. The PLC 22 connected to the network 220
1-3 are also PLC2 connected to another network 230.
Remote communication can be performed using the PLC 221-1 and the PLC 221-1 as relay PLCs.

FIG. 3 shows a network configuration setting unit 2 of the network routing information generating apparatus 100 shown in FIG.
FIG. 9 is a diagram illustrating a setting example of network configuration information set by 0.

In FIG. 3, a network configuration setting unit 2
The network configuration information (network configuration table) set by “0” includes “PLC ID”, “PLC information”, “network ID”, “network information”,
It consists of a “node ID” and a “unit ID”.

Here, "PLC ID" is an identification ID unique to all PLCs on the network configuration.

The "PLC information" indicates the model name of the PLC, for example, "AB1000".

The "network ID" is an identification ID unique to all networks in the network configuration, such as a network number.

The "network information" is a network formation name, for example, "AB-LINK".

The “node ID” is a unique PLC identification ID in the network, such as a node number.

The "unit ID" is a unique identification ID of a network device in the PLC, such as a unit number.

In FIG. 3, the “network ID” is “N: x1” corresponding to “P: v1”, “P: v2”,... ,
, "N: x2", ..., "N: xn", and the "node ID" is "D: y1", "D: y2", ...,
"D: yn" is set and "Unit ID" is set to "U: z".
1 "," U: z2 ",...," U: zn ".

FIG. 4 is a diagram showing a table representing a network to which a PLC belongs in the network routing information generated by the network routing information generator 70 of the network routing information generator 100 shown in FIG.

In FIG. 4, the table indicating the network to which the PLC belongs is composed of “identification ID of the network to which the PLC belongs (own network)” and “unit ID of the own network”.

That is, in FIG. 4, “N: x1”, “N: x2”,..., “N: xn”, which are the “identification ID (own network) of the network to which the PLC belongs”
, “U: z1”, “U: z2”,..., “U: zn” are set for “unit ID of own network”.

FIG. 5 is a diagram showing a table representing a network in which the PLC is capable of remote communication among the network routing information generated by the network routing information generator 70 of the network routing information generator 100 shown in FIG. .

In FIG. 5, the table representing the networks with which the PLC is capable of remote communication includes “network identification ID with which remote communication is possible (final network)”, “network identification ID of the PLC serving as a route to the final network”, It is composed of "an identification ID on the network of a PLC which is a route to the final network".

That is, in FIG. 5, "N: xx1", "N: xx2", which are "network identification ID (final network) capable of remote communication",.
.. Corresponding to “N: xxn”, the “network identification ID of the PLC to be the route to the final network” is “N:
xxx1 "," N: xxx2 ",...," N: xxx "
n "and" P which is the route to the final network "
The ID of the LC on the network is “D: y1”,
The case where “D: y2”,..., “D: yn” is set is shown.

FIG. 6 shows the network configuration display unit 3 of the network routing information generating apparatus 100 shown in FIG.
FIG. 3 is a diagram illustrating an example of a network configuration indicated by 0.

In FIG. 6, a network whose “network ID” is “x1” has a “PLC ID” of “v
1 "," v2 "and" v3 "are connected,
A PLC whose “PLC ID” is “v4”, “v5”, “v6” is connected to a network whose “network ID” is “x2”, and a “network ID” is “x3”
"PLC ID" is "v7" for the network
“V8”, “v9”, “v10”, “v11”, “v1”
2 "is connected.

The network whose “network ID” is “x3” has “network information” of “AB-
LINK "and the PLC whose" PLC ID "is" v7 ", the" PLC information "is" AB1000 ",
The gateway whose “node ID” is y is “unit I
D "is z.

FIG. 7 is a flowchart showing a procedure for generating network routing information by the network routing information generation unit 70 of the network routing information generation device 100 shown in FIG.

Referring to FIG. 7, the procedure for generating network routing information by the network routing information generating unit 70 first specifies the number of gateways that can be passed (step 701).

Next, the overall configuration information of the network configured by the control system, that is, the overall configuration information (file 1) of the network stored in the network configuration storage unit 40 shown in FIG. 1 is created.

That is, first, network configuration information is input (step 702). Here, the contents that can be set in the network and the PLC of the entire configuration are automatically set based on the device information given in advance, that is, the network and PLC information (file 2) stored in the control device information storage unit 60 in FIG. Given.

Next, the input network configuration information is checked (step 703). Here, the contents of the check of the input network configuration information are as follows: 1) Unique identification ID of all PLCs in the network configuration diagram 2) Unique identification ID (network number) of the network in the network configuration diagram 3) Within the network Unique identification ID of PLC at
(Node number) 4) A unique identification ID (unit number) of the unit to which the network belongs in the PLC.

If it is determined in step 703 that there is an abnormality (there is an abnormality in step 703), the process returns to step 702.

When it is determined in step 703 that there is no abnormality (in step 703, there is no abnormality), it is checked whether the creation of the network configuration information is completed (step 704). Here, the creation of the network configuration information is completed. If it is determined that there is not (NO in step 704), step 702
Return to

If it is determined in step 704 that the creation of the network configuration information is completed (Y in step 704)
ES) Next, a PLC for which network routing information is to be generated is specified (step 705).

Then, at least one designated PL
Network routing information for each C, that is, FIG.
The information (file 3) stored in the network routing information storage unit 80 is individually generated (step 70).
6), the procedure for generating the network routing information ends.

Here, the algorithm for generating network routing information guarantees that the network routing information for each PLC is uniquely determined, that is, there is no redundancy, as will be described in detail later.

If the network routing information is not uniquely determined, that is, if the route has redundancy,
For example, if there are a plurality of routes to the final network shown in FIG. 5, the number of times of passing through the gateway is the minimum,
In the same case, the redundancy of the route is eliminated by selecting any one of them.

Next, the details of the algorithm for processing for generating network routing information in step 706 shown in FIG. 7 will be described.

FIG. 8 is a diagram showing an example of the network configuration information for explaining the algorithm for generating the network routing information in step 706 shown in FIG.

In FIG. 8, a network (Network: 1) whose “network ID” is “1” and a network (Network) whose “network ID” is “2”
k: 2), the “PLC ID” is connected by the PLC of “PLC3”, and the “network ID” is “2”.
Network (Network: 2) and a network (Network:
Between 3), the PLC whose “PLCID” is “PLC2”
And a network (Network: 2) having a “network ID” of “2” and a “network I”
"D" is connected to the network (Network: 4) of "4" by the PLC of "PLC ID" of "PLC4", and the network (Network: 3) of "Network ID" of "3" and the "network". The network (Network: 4) whose “ID” is “4” and the network (Network) whose “network ID” is “5”
k: 5), the “PLC ID” is connected by the PLC of “PLC5”, and the “PLC ID”
The PLC with “PLC1” is connected to the network (Network: 2) whose “network ID” is “2”.

Here, "PLC ID" is "PLC1".
Are connected to a network (Network: 2) having a “network ID” of “2” via a gateway having a “node ID” of “1” and a “unit ID” of “2”.

A PLC having a “PLC ID” of “PLC2” has a network (Network: 2) having a “network ID” of “2”, a “node ID” of “2”,
The network is connected via a gateway having a “unit ID” of “3”, a network (Network: 3) having a “network ID” of “3”, a “node ID” of “1”,
"Unit ID" is connected via the gateway of "4".

A PLC having a “PLC ID” of “PLC3” has a network (Network: 1) having a “network ID” of “1”, a “node ID” of “1”,
The network is connected via a gateway having a “unit ID” of “6”, a network (Network: 2) having a “network ID” of “2”, a “node ID” of “3”,
"Unit ID" is connected via the gateway of "5".

A PLC having a “PLC ID” of “PLC4” has a network (Network: 2) having a “network ID” of “2” and a “Node ID” of “4”.
The network is connected via a gateway having a “unit ID” of “7”, a network (Network: 4) having a “network ID” of “4”, a “node ID” of “1”,
The “unit ID” is connected via the gateway of “8”.

A PLC having a “PLC ID” of “PLC5” has a network (Network: 3) having a “network ID” of “3”, a “node ID” of “2”,
The network is connected via a gateway having a “unit ID” of “9”, a network (Network: 4) having a “network ID” of “4”, a “node ID” of “2”,
The network is connected via a gateway having a “unit ID” of “10”, a network (Network: 5) having a “network ID” of “5”, a “node ID” of “1”,
"Unit ID" is connected via the gateway of "11".

FIG. 9 is a diagram showing a network configuration table when the network configuration information shown in FIG. 8 is obtained.

In FIG. 9, “PLC information” is “AB10” corresponding to “PLC1” which is “PLC ID”.
00, “Network ID” is set to “2”, “Network information” is set to “AB-LINK”, “Node ID” is set to “1”, and “Unit ID” is “ 2 ".

Similarly, “PLC ID” “PLC ID”
In response to “2”, “PLC information” is set to “CDM1”, “network ID” is set to “2”, “network information” is set to “AB-LINK”,
"Node ID" is set to "2" and "Unit ID"
Is set to “3”, and “PLC information” is set to “CDM” corresponding to “PLC2” that is the “PLC ID”.
"1", "Network ID" is set to "3", "Network information" is set to "Ethernet", "Node ID" is set to "1", and "Unit ID" is "4". Is set to

Also, “PLC ID”, “PLC ID”
In response to “3”, “network ID” is set to “2”, “node ID” is set to “3”, “unit ID” is set to “5”, and “PLC ID” is In correspondence with a certain “PLC2”, “network ID” is set to “1”, “node ID” is set to “1”, and “unit ID” is set to “6”.

Also, “PLC ID”, “PLC ID”
In correspondence with “4”, “network ID” is set to “2”, “node ID” is set to “4”, “unit ID” is set to “7”, and “PLC ID” is In correspondence with a certain “PLC4”, “network ID” is set to “4”, “node ID” is set to “1”, and “unit ID” is set to “8”.

Further, the “PLC ID” “PLC
In response to “5”, “network ID” is set to “3”, “node ID” is set to “2”, “unit ID” is set to “9”, and “PLC ID” is In correspondence with a certain “PLC5”, “network ID” is set to “4”, “node ID” is set to “2”, “unit ID” is set to “10”, and
“Network ID” is set to “5” corresponding to “PLC5” that is “PLC ID”, and “Node ID”
Is set to “1”, and the “unit ID” is set to “11”.

In the above network configuration, when the number of gateways that can pass is “2”, “PLC I
The algorithm for generating the network routing information of the PLC whose “D” is “PLC1” will be specifically described.

First, from the network configuration table shown in FIG. 9, all the “network IDs” whose “PLC ID” is set to “PLC1” and the corresponding “unit I”
D "is extracted and written in the table shown in FIG. 4 that represents the network to which the PLC belongs.

FIG. 10 shows the PL created in this way.
FIG. 3 is a diagram illustrating a table representing a network to which C belongs.

In this case, “PLC ID” is changed to “PLC ID”.
All “network IDs” set to “1” are “2”
10, the “ID of the network to which the PLC belongs (own network)” is “2”, and the “unit ID of the own network” is “2”.

Next, a PLC whose “PLC ID” having the same ID (“2” in this example) as the respective “network ID” set in the table shown in FIG. (In this example, "PLC I
If “D” has a “network ID” other than the “network ID” (in this example, “2”), the “network ID” (in this example, “3”) The PLC described above (in this example, “PLC
"Network I" of the PLC whose ID is "PLC2"
D "(in this example," 2 ") is written in the table shown in FIG.

Then, it is checked whether or not the final network of the written table is the same as the “identification ID of the network to which the PLC belongs (own network)” in the table representing the network to which the PLC shown in FIG. 10 belongs. If they are the same, delete them and repeat the above processing.

Next, for each table generated by the above processing, the final network ID ("3" in this example)
PLCs other than the PLC stored at the time of generation of the table having the “(PLC ID” is “PLC2” in this example)
If there is a C, its PLC (in this example, "PLC I
"D" is the PLC of "PLC5" and the other network IDs ("4" and "5" in this example) and the two additional information (the network ID in this example) set in the final network considered at this time. “2” and the node ID “2”) are added to the table representing the network in which the PLC can perform remote communication.

Then, the network ID of the table representing the network to which the PLC shown in FIG. 10 belongs, in which the final network ID of the added table has already been set.
And the PLC are not the same as the final network ID of the table representing the network in which remote communication is possible. If they are the same, delete this and repeat the above processing.

FIG. 11 shows the PL created in this way.
It is a figure showing the table showing the network where C can perform remote communication.

As is clear from FIG. 11, in the table indicating the networks with which the PLC is capable of remote communication, the "network identification ID with which remote communication is possible"
(Final network) "," 3 "," 1 ",
Corresponding to “4” and “5”, “the network identification ID of the PLC that becomes the route to the final network” is “2”,
Set to “2”, “2”, “2”, and “identification I on the network of the PLC to be the route to the final network”
D "is set to" 2 "," 3 "," 4 "," 2 ".

The above process can be repeated even when the number of gateways that can pass through increases.

As described above, according to the network routing information generating apparatus 100 of this embodiment, each PLC
Only the network configuration information is defined in the control system in place of each network routing information, and only this information is created and managed by the dedicated tool. Each PLC needs the network routing information required by the dedicated tool or the PLC. The control system is configured to generate automatically based on only network configuration information.

[0086]

As described above, according to the first aspect of the present invention, the control system is configured in a network routing information generating method for generating network routing information of a control system in which a plurality of control devices are connected via a network. A first step of inputting only network configuration information to the control system based on individual control device information to be performed, a second step of storing the network configuration information, and the network configuration information being consistent. And a fourth step of designating at least one control device constituting the control system, and generating network routing information of the designated control device based on the stored network configuration information. And the fifth step of 1) The network routing information required for each PLC configuring the control system can be collected into a single network configuration information in the control system, thereby facilitating the maintenance and management. 2) The network routing required for each PLC configuring the control system Since the information can be created only by the visual work of creating the only network configuration information in the control system, the creation work can be simplified, and work errors by the user can be reduced. 3) The network configuration of the control system needs to be changed. In such a case, it is not necessary to individually reconstruct the network routing information for each PLC, and the updated network routing information for each PLC can be easily created only by changing the network configuration information. To play.

According to a second aspect of the present invention, there is provided a network routing information generating device for generating network routing information of a control system in which a plurality of control devices are connected by a network. Input means for inputting the only network configuration information to the control system based on the above, storage means for storing the network configuration information input by the input means, and the network configuration information stored in the storage means Confirmation means for confirming that there is no inconsistency, designation means for designating at least one control device constituting the control system stored in the storage means, and the above-mentioned network configuration information based on the network configuration information stored in the storage means. Network route of the control device specified by the specifying means 1) Network routing information required for each PLC configuring the control system can be aggregated into the sole network configuration information in the control system, so that it is maintained. 2) The network routing information required for each PLC configuring the control system can be performed only by the visual work of creating the only network configuration information in the control system, so that the creation work is simplified. 3) Even if there is a change in the network configuration of the control system, it is not necessary to individually reconstruct the network routing information for each PLC, and only the network configuration information is changed. Updated network for each PLC It can provide network routing information generating device with the effects and the like can be easily create computing information.

According to the third aspect of the present invention, there is provided a recording medium in which a network routing information generating method for generating network routing information of a control system in which a plurality of control devices are connected via a network is recorded. A first step of inputting only network configuration information to the control system based on individual control device information to be performed, a second step of storing the network configuration information, and the network configuration information being consistent. And a fourth step of designating at least one control device constituting the control system, and generating network routing information of the designated control device based on the stored network configuration information. And a fifth step of 1) Network routing information required for each PLC configuring the control system can be consolidated into the only network configuration information in the control system, so that maintenance and management are facilitated. 2) Required for each PLC configuring the control system. Since the network routing information can be performed only by the visual work of creating the only network configuration information in the control system, the creation work is simplified, and work errors by the user can be reduced. 3) The network configuration of the control system can be reduced. Even if there is a change, it is not necessary to individually reconstruct the network routing information for each PLC, and the updated network routing information for each PLC can be easily created simply by changing only the network configuration information. Network roots with the effects of It can provide a recording medium that grayed information generation method is recorded.

[Brief description of the drawings]

FIG. 1 is a block diagram showing the overall configuration of a network routing information generation device according to the present invention.

FIG. 2 is a system configuration diagram showing an example of a control system for which network routing information is to be generated by the network routing information generating device shown in FIG. 1;

FIG. 3 is a diagram illustrating an example of setting of network configuration information set by a network configuration setting unit of the network routing information generation device illustrated in FIG. 1;

FIG. 4 is a diagram showing a PLC of network routing information generated by a network routing information generation unit of the network routing information generation device shown in FIG. 1;
FIG. 4 is a diagram showing a table representing a network to which the “?” Belongs.

FIG. 5 is a view showing a PLC included in the network routing information generated by the network routing information generation unit of the network routing information generation device shown in FIG. 1;
FIG. 3 is a diagram showing a table representing a network capable of remote communication.

FIG. 6 is a diagram illustrating an example of a network configuration displayed by a network configuration display unit of the network routing information generation device illustrated in FIG. 1;

FIG. 7 is a flowchart showing a procedure for generating network routing information by a network routing information generation unit of the network routing information generation device shown in FIG. 1;

8 is a diagram illustrating an example of network configuration information for explaining a generation algorithm of the network routing information illustrated in FIG. 7;

FIG. 9 is a diagram showing a network configuration table when the network configuration information shown in FIG. 8 is taken.

FIG. 10 is a diagram illustrating an example of a table representing a network to which a PLC generated by the network routing information generation processing algorithm illustrated in FIG. 7 belongs;

11 is a diagram showing a table representing a network in which a PLC generated by the network routing information generation processing algorithm shown in FIG. 7 is capable of remote communication.

[Explanation of symbols]

 Reference Signs List 1 bus 10 input unit 20 network configuration setting unit 30 network configuration display unit 40 network configuration storage unit 50 network configuration check unit 60 control device information storage unit 70 network routing information generation unit 80 network routing information storage unit 90 network routing information display unit 100 Network routing information generator

Claims (3)

[Claims] 1. A network routing information generation method for generating network routing information of a control system in which a plurality of control devices are connected via a network, wherein the control system is uniquely provided to the control system based on individual control device information constituting the control system. A first step of inputting the network configuration information, a second step of storing the network configuration information, a third step of confirming that there is no inconsistency in the network configuration information, and configuring the control system. A fourth step of designating at least one control device; and a fifth step of generating network routing information of the designated control device based on the stored network configuration information. Network routing information generation method. 2. A network routing information generating device for generating network routing information of a control system in which a plurality of control devices are connected via a network, wherein the control system is provided with only one of the control devices based on individual control device information constituting the control system. Input means for inputting the network configuration information, storage means for storing the network configuration information input by the input means, and confirmation means for confirming that the network configuration information stored in the storage means is consistent. Designation means for designating at least one control device constituting the control system stored in the storage means; and a control device designated by the designation means based on the network configuration information stored in the storage means. Network that generates network routing information Network routing information generating apparatus characterized by comprising click routing information generating means. 3. A recording medium on which a network routing information generating method for generating network routing information of a control system in which a plurality of control devices are connected by a network is recorded, based on individual control device information constituting the control system. A first step of inputting only network configuration information to the control system, a second step of storing the network configuration information, a third step of confirming that there is no inconsistency in the network configuration information, A fourth step of designating at least one control device constituting the control system; and a fifth step of generating network routing information of the designated control device based on the stored network configuration information. Network routing characterized by A recording medium on which an information generation method is recorded.