JP2003152726A - Plant supervisory system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plant supervisory system capable of relieving a load of an operator and reducing mistakes, that solves problems of a conventional system because a supervisory device in the conventional system requires manual revision of both a system configuration definition information and transmission definition information when e.g. a system configuration is subject to change and needs manual download of the transmission definition information to a gateway resulting in causing much labor and time to the operator and many inaccurate operations. SOLUTION: The supervisory device of this invention is provided with a configuration information management section and a transmission information extract section, and when the configuration information management section receives system configuration revision information, the extract section extracts the transmission definition information and sets and designates the transmission definition information to the gateway.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plant monitoring system for a general industrial plant, and more particularly to the addition and modification of transmission definition information to a gateway when modifying interface data between a central monitoring device and another control device. It is related to how to download.

[0002]

2. Description of the Related Art In a general industrial plant, for monitoring a plant, a monitoring device and a plurality of control devices are connected via a transmission network such as a LAN to transmit control data and operation commands.
2. Description of the Related Art A plant monitoring system that mutually transmits information necessary for plant monitoring such as transmission of plant state quantity is widely used. In such a plant monitoring system, generally, in order to connect a plurality of types of control devices having different transmission protocols to one transmission network, a gateway is interposed between the transmission network and each control device having a different transmission protocol, and an interface is provided. I am trying to take. FIG. 14 shows a general system configuration of a plant monitoring system disclosed in, for example, Japanese Patent Application Laid-Open No. 5-344565, in which a monitoring device 1 and a plurality of types of control devices 2a and 2a having different transmission protocols are shown.
b, 3a, 3b, an input / output control device (I / O) 4 for controlling input / output of data to / from an external device, such as LA
It is configured by connecting with a transmission network 5 such as N. The control device 3 cannot directly transmit data to the monitoring device 1 or the control devices 2a and 2b because the transmission protocol is different.
The gateways 6a and 6b are interposed between the transmission lines 5a and 3b to form an interface.

Generally, in a plant monitoring system 100 having such a system configuration, the monitoring device 1 is conventionally an operator station for monitoring the entire system including a CRT display device and manages the configuration information of the entire system. It is configured by a relatively large-scale computer system that monitors the state of each component and manages the operation of the plant. FIG. 15 shows the internal configuration of the monitoring device 1. Here, the monitoring device 1 sends a data signal to the transmission network 5 and displays a screen for registering the transmission definition information of the transmission system control unit 7 that takes in the data signal from the transmission network 5 and the individual gateways 6a and 6b. A transmission information management unit 8 for displaying and performing the setting change operation by the operator and storing the transmission information management unit 8 and a transmission information display unit 9 for displaying the transmission definition information on the screen when the transmission definition information setting change operation by the transmission information management unit 8 are provided. There is. Also, independently of that,
A configuration information management unit 11 that manages system configuration information indicating what kind of transmission network is in the system and what devices are connected to each transmission network;
The system status display section 10 is provided for graphically displaying the configuration definition information by the configuration information management section 11 and for displaying the status of each transmission network and each device.

In the conventional plant monitoring system having such a configuration, for example, when the system configuration is changed, the transmission definitions registered in the transmission information management unit 8 of FIG. 15 are set in the gateways 6a and 6b shown in FIG. The information is manually downloaded, the gateways 6a and 6b recognize the conversion method of the transmission message, and mediate the communication between the monitoring device 1 and the control devices 3a and 3b. FIG. 16 shows a flow when such a conventional system configuration is changed.

[0005]

In such a conventional monitoring device in the plant monitoring system, for example, when the system configuration is changed, both the system configuration definition information and the transmission definition information are manually changed, and further, There was a problem that the transmission definition information had to be manually downloaded to the gateway. In other words, the conventional "creation screen creation" and "gateway transmission definition information creation" are independent of each other, and the operator has to enter the information as to which network the gateway is connected to twice. There is a problem that it takes time, and when one of them is corrected and the other is forgotten, the normal monitoring function cannot be realized.

The present invention has been made in order to solve such a problem, and the transmission definition information is automatically extracted and downloaded from the system configuration definition information to reduce the load on the operator and reduce the error. It is to provide a plant monitoring system that enables unattended operation.

[0007]

A plant monitoring system according to the present invention is a plant monitoring system in which a monitoring device and a controller having a plurality of different protocols provided with a gateway are connected to a transmission network, The monitoring device includes a configuration information management unit and a transmission information extraction unit. When the configuration information management unit receives information for changing the system configuration, the transmission information extraction unit extracts the transmission definition information, The gateway instructs the gateway to set the transmission definition information.

In addition to the monitoring device, a transmission information notification unit is provided, the transmission information extraction unit outputs the transmission definition information to the notification unit, and the notification unit receives the output and communicates with the gateway. After confirming whether or not, the transmission definition information is instructed to be set to the gateway.

In addition, the monitoring device is provided with a transmission information extraction clock unit, and the gateway is provided with a transmission information reception clock unit and a transmission information collation unit. The transmission information extraction unit is provided with the transmission definition information and the information extraction clock. The extraction time from the unit is output to the transmission information notification unit, the transmission information collating unit compares the extraction time with the reception storage time of the transmission information reception clock unit, and the extraction time is newer than the reception storage time. In this case, the transmission definition information is downloaded to the gateway.

When the extraction time is older than the reception storage time, the transmission information collating unit downloads the latest transmission information from the monitoring device and notifies the transmission information reception clock unit of the time.

Furthermore, the monitoring device further includes a transmission information name designating section and a first transmission information converting section, and the gateway includes a transmission information name receiving section and a second transmission information converting section. The transmission information extraction unit outputs the transmission definition information, the name of the transmission definition information from the transmission information name designation unit, and the information extraction time to the transmission information notification unit, and the transmission information collation unit extracts the extraction time, While comparing the reception storage time, it is confirmed whether the transmission definition information name output by the transmission information name designating unit and the information name of the information name receiving unit match, and the extraction time is the reception storage time. When the transmission definition information name is newer and the transmission definition information names match, the transmission definition information is downloaded to the gateway.

When the transmission definition name is not installed in the second transmission information converting unit, the transmission information collating unit requests the first transmission information converting unit to download it.

Further, a transmission information name and version designation unit and a transmission information name and version reception unit are provided in place of the transmission information name designation unit and the transmission information name reception unit, respectively, and the transmission information extraction unit includes a transmission definition. The information, the name and version of the transmission definition information from the transmission information name and version designation unit, and the information extraction time are output to the transmission information notification unit, and the transmission information collation unit extracts the extraction time,
While comparing the received storage time, whether the transmission definition information name and version output by the transmission information name and version specification section and the transmission definition information name or version received by the information name and version reception section match If the extraction time is newer than the reception storage time and the name or version of the transmission definition information matches, the transmission definition information is downloaded to the gateway.

When the transmission definition name and version are not installed in the second transmission information converting unit, the transmission information collating unit requests the first transmission information converting unit to download it.

In addition, the monitoring device is provided with a first transmission network laying time management unit, the gateway is provided with a second transmission network laying time management unit, and the transmission information extraction unit is provided with the transmission definition information. And the transmission information name and version from the transmission information name and version designation section and the information extraction time from the transmission information extraction clock section to the transmission information notification section,
The transmission information collation unit compares the transmission definition information extraction time of the transmission information extraction clock unit with the reception storage time of the transmission information reception clock unit, and the transmission information name and the transmission definition information name output by the version designation unit It is confirmed whether the version matches the transmission information name and the information name or version of the version receiving unit, and the download time indicated by the first transmission network installation time management unit and the second transmission network installation time. When the installation completion time indicated by the management unit is compared, (1) the extraction time is newer than the reception storage time, (2) the transmission definition name or version matches, and (3) the download time is older than the installation completion time. The download definition information is downloaded to the gateway.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiment 1. Hereinafter, the plant monitoring system according to the first embodiment of the present invention will be described with reference to the drawings. The configuration of this plant monitoring system 100 is the same as that shown in FIG. 14 shown in the related art in all the following embodiments. The configuration of the monitoring device 1 of FIG. 14 according to the first embodiment is shown in FIG. The monitoring device 1 is a device that manages the configuration information of the entire system, monitors the state of each component, manages plant operation and the like, and includes a configuration information management unit 11, a system state display unit 10, and a transmission information extraction unit 12.
And a transmission system controller 7. The configuration information management unit 11 manages system configuration information about what devices are connected to the transmission network 5 provided in the system, and the transmission information output unit 12 selects a gateway from the system configuration information. The connection state between 6a and 6b and the transmission network 5 and the transmission definition information are automatically extracted. The system status display unit 10 graphically displays the configuration information and also displays the operating status of each transmission network and each device. The transmission system control unit 7 sends and receives transmission information to and from the transmission network 5. FIG. 2 is a flowchart showing the transfer of transmission information by the monitoring device 1 having such a configuration. In ST1, the devices that make up the plant system and the connection information of each device are determined. This corresponds to the determination of the connection information when changing the system configuration, such as adding or updating the plant system or upgrading the version of the operation software. In ST2, when the operator inputs the system configuration change information to the configuration information management unit 11, the screen is displayed on the system status display unit 10,
In ST3, the transmission information extraction unit 12 automatically extracts the connection state between the gateways 6a and 6b and the transmission network 5 and the transmission definition information from the system configuration change information, and gives a setting instruction to the gateways 6a and 6b. To do. In ST4, the operator downloads the transmission definition information to the gateways 6a and 6b. As described above, in the first embodiment, when the system configuration change information is input to the configuration information management unit 11,
Since it is configured to automatically extract the transmission definition information from the transmission information extraction unit 12, the operator only has to download the automatically generated transmission definition information to the gateways 6a and 6b. The time can be reduced and the plant can be monitored with few errors.

Embodiment 2. 3 and 4 show the configuration and operation flow of a plant monitoring system according to Embodiment 3 of the present invention. This monitoring device 1 has the configuration of the monitoring device of the first embodiment with a transmission information notifying unit 13 added. The transmission information notifying unit 13 includes a transmission information extracting unit 12
Enter the transmission definition information from the
It has a function to download after confirming whether communication with is possible. Next, the operation will be described based on the flowchart of FIG. Since ST1 to ST3 are the same as the flow of the first embodiment, the description thereof will be omitted. In ST4, the transmission information extraction unit 12 outputs the transmission definition information to the transmission information notification unit 13,
Upon receiving the transmission definition information, the transmission information notification unit 13 confirms whether communication with the gateways 6a and 6b is possible, and if communication is possible, downloads the transmission definition information to the gateways 6a and 6b in ST6. To do. Note that the processing flow of ST1 to ST5 shown in FIG. 4 is a processing flow common to the third to sixth embodiments to be described later. Therefore, in the description of the following embodiments, the system configuration is changed as shown in FIG. Displayed collectively as a processing flow. As described above, according to the second embodiment, the transmission information notification unit 13 confirms whether communication with the gateways 6a and 6b is possible, and if the communication is possible, the transmission definition information is automatically downloaded. This saves time and effort and enables plant monitoring with few errors.

Embodiment 3. 5, 6, and 7 show the configuration and operation flow of a plant monitoring system according to the third embodiment of the present invention. In the third embodiment, the transmission information extraction clock unit 14 is added to the configuration of the monitoring device 1 of the second embodiment.
To the gateways 6a and 6b.
And a transmission information collating unit 17 are added. The transmission information extraction clock unit 14 holds the update time of the transmission definition information updated and output by the transmission information extraction unit 12, and the transmission information reception clock unit 16 stores the transmission definition information update time of itself when the gateways 6a and 6b are activated. It has the function of holding. The transmission information collating unit 17 compares the update time of the monitoring device 1 with the update time of the gateways 6a and 6b. Next, the operation will be described with reference to the flowchart of FIG. After proceeding from ST1 to ST5 of the system configuration change processing flow described in the second embodiment, if communication is possible in FIG. 6, the transmission information notification unit 13 transmits the transmission definition information and the transmission definition information to the gateways 6a and 6b in ST6. Download the extraction time of. The operation of confirming whether communication is possible after ST1 to ST5 in FIG. 6 will be described in detail with the flow of FIG. In FIG. 7, after the processing of ST1 to ST5 is completed, in ST51,
The transmission information collating unit 17 provided in the gateways 6a and 6b of FIG. 5 inquires of the transmission information extraction clock unit 14 provided in the monitoring device 1 about the transmission information extraction time corresponding to the transmission definition information. Next, in ST52, the transmission information extraction clock unit 14 responds with the time information in response to the collation inquiry of the transmission information collation unit 17. In ST53, the transmission information collating unit 17 compares the received storage data of the transmission information reception clock unit 16 with the response data to check which is newer, and if both are the same, communication is possible, as shown in FIG. Shift to ST6. On the other hand, when the received storage data (reception time) is old, the process proceeds to ST54 shown in FIG. 7, the transmission information collating unit 17 downloads the latest transmission definition information from the transmission information extracting unit 12 of the monitoring device 1, and the transmission information is transmitted. Communication becomes possible by notifying the reception clock unit 16 of the time. As described above, in the third embodiment, when the gateways 6a and 6b are activated, whether or not the latest transmission definition information is confirmed is confirmed. Therefore, the latest information is not set in the gateways 6a and 6b for some reason. Even in the case, it has the effect of being automatically updated.

Embodiment 4. 8 and 9 show the configuration and operation flow of the plant monitoring system according to the fourth embodiment of the present invention. The fourth embodiment is the same as the third embodiment.
The transmission information name designating unit 18 and the first transmission information converting unit are added to the configuration of the monitoring device 1 of FIG. 1, and the transmission information name receiving unit 19 and the second transmission information converting unit 20 are added to the gateways 6a and 6b. . Next, the main operation will be described with reference to the flowchart of FIG. After proceeding to ST1 to ST5 of the system configuration change processing flow as in the third embodiment, if communication is possible in FIG. 9, the transmission information notification unit 13 extracts the transmission definition information and the transmission information to the gateways 6a and 6b in ST6. Download time and name of transmission definition information. In ST7, the transmission information collating unit 17 confirms whether the name of the downloaded transmission definition information is the same as the name held in the transmission information name receiving unit 19. When the transmission definition name is not installed in the second transmission information conversion unit 20, ST
In step 8, the transmission information collating unit 17 requests the monitoring device 1 for the one corresponding to the downloaded transmission definition information.
At 9, the first transmission information converter 21 responds to this and downloads to the gateways 6a and 6b. In ST10, the gateways 6a and 6b temporarily stop the operation, switch to the one downloaded to the second transmission conversion unit 20, and then restart the gateway operation. As described above, in the fourth embodiment, it is not necessary to previously install all the software that may be used as a system in the gateways 6a and 6b, and there is an effect that program management becomes easy. Further, even when a new conversion protocol is added, the registration is only performed on the monitoring device 1, and the gateways 6a and 6b need not be changed.

Embodiment 5. 10 and 11 show the configuration and operation flow of a plant monitoring system according to the fifth embodiment of the present invention. In the fifth embodiment, instead of the transmission information name designating unit 18 in the monitoring device 1 of the fourth embodiment, the transmission information name and version designating unit 22 replaces the transmission information name receiving unit 19 in the gateways 6a and 6b. The transmission information name and version designation unit 23 is provided. Next, the main operation will be described with reference to the flowchart of FIG. After proceeding to ST1 to ST5 of the system configuration processing flow as in the third and fourth embodiments, FIG.
If communication is possible at ST6, the transmission information notification unit 13 is sent at ST6.
Downloads the transmission definition information, the transmission information extraction time, the name and version of the transmission definition information to the gateways 6a and 6b. In ST7, the transmission information collating unit 17 confirms whether the name and version of the downloaded transmission definition information is the same as the name or version held in the transmission information name and version receiving unit 23. When the name and version are not installed in the second transmission information conversion unit 20, the transmission information collation unit 17 determines in ST8 the information corresponding to the downloaded transmission definition information as the monitoring device 1
In step ST9, the first transmission information conversion unit 21 responds to the request and downloads it to the gateways 6a and 6b.
In ST10, the gateways 6a and 6b temporarily stop the operation and switch to the one downloaded to the second transmission information conversion unit 20, and then restart the gateway operation.
As described above, according to the fifth embodiment, the transmission definition information is managed by the name and the version number. Therefore, even if the name of the transmission definition information is not changed when the system configuration is changed. By changing the number, the gateway can automatically download a new program.

Sixth Embodiment 12 and 13 show the configuration and operation flow of a plant monitoring system according to Embodiment 6 of the present invention. In the sixth embodiment, the first transmission network installation time management unit 24 and the second transmission network installation time management unit 25 in the gateways 6a and 6b are added to the configuration of the monitoring device 1 of the fifth embodiment. It is a thing. The first transmission network installation time management unit 24 indicates the time when the system configuration held in the configuration information management unit 11 in the monitoring device 1 is downloaded to the actual system via the transmission network 5. The second transmission network laying time management unit 25 is transferred to the gateways 6a and 6b together with the transmission definition information, is held on the gateways 6a and 6b, and the actual system is the transmission network 5
It shows the time when the installation is completed. Next, the main operation will be described with reference to the flowchart of FIG. Similar to the third to fifth embodiments, ST1 to ST of the system configuration processing flow
After proceeding to 5, if communication is possible in FIG. 13, ST
At 6, the transmission information notification unit 13 downloads the transmission definition information, the transmission information extraction time, the name and version of the transmission definition information, and the time indicated by the first transmission network installation time management unit to the gateways 6a and 6b. In ST7, the transmission information collating unit 17 confirms whether the name and version of the downloaded transmission definition information is the same as the name or version held in the transmission information name and version receiving unit 23. At the same time, it is confirmed whether it is newer than the time downloaded to the actual system and the installation completion time held by the second transmission network installation time management unit 25. On the other hand, when the names or versions are not the same in ST7, ST described in the fifth embodiment is used.
8, the time downloaded to the actual system after the same processing as ST9 and the second transmission network laying time management unit 25
If it is older than the laying completion time held by, the operation of the gateways 6a and 6b is once stopped in ST10, and the operation is switched to the one downloaded to the second transmission information conversion unit 20. Resume. As described above, in the sixth embodiment, since the gateways 6a and 6b do not operate until the transmission network laying completion time has passed, the system configuration information on the monitoring device 1 before the transmission network laying on the actual system is completed. The effect that can be changed.

[0022]

Since the present invention employs the configuration described above, it has the following effects.

When the information for changing the system configuration is input to the configuration information management unit provided in the monitoring device, the transmission information extraction unit extracts the transmission definition information and the different protocols provided via the transmission network. Since the automatic setting instruction of the transmission definition information is given to the gateway of the control device, it has an excellent effect that a labor and time for an operator can be reduced and a plant monitoring system with few errors can be provided.

In addition to the monitoring device, a transmission information notification unit is provided. When the transmission definition information is received by the transmission information notification unit, after confirming whether communication with the gateway is possible,
Since the transmission definition information is instructed to be set to the gateway, it is possible to save the operator the trouble of downloading and provide a plant monitoring system with few errors.

Further, a transmission information extraction clock unit is further added to the monitoring device, and a transmission information reception clock unit and a transmission information collation unit are added to the gateway. The transmission information extraction unit is provided from the transmission information extraction clock unit. The information extraction time and the transmission definition information are output to the transmission information notification unit, and the transmission information collation unit compares the extraction time with the reception storage time of the transmission information reception clock unit, and the extraction time is newer than the reception storage time. In case,
Since the transmission definition information is downloaded to the gateway,
It is possible to provide a plant monitoring system in which the latest information is always downloaded without the effort of the operator.

Further, even when the reception storage time data stored in the transmission information reception clock unit is older than the transmission definition information extraction time, the transmission information collating unit downloads the latest information from the monitoring device. Produce an effect.

Furthermore, the monitoring device further includes a transmission information name designating unit and a first transmission information converting unit, and the gateway includes a transmission information name receiving unit and a second transmission information converting unit. The transmission information collation unit checks whether the information name output by the transmission information name specification unit matches the information name in the transmission information name reception unit, and if they match, downloads to the gateway. Easy to manage programs without having to pre-install all software that can be used for
Further, even if a new conversion protocol is added, it is not necessary to make a change on the gateway just by registering it, and it is possible to provide an easy-to-use plant monitoring system, which is an excellent effect.

When the transmission definition name output by the first transmission information name designating section is not installed in the second transmission information converting section, the transmission information collating section stores the transmission definition information in the first transmission information converting section. Since a download request is made, the same effect as described above can be obtained.

Further, a transmission information name and version designation unit and a transmission information name and version reception unit are provided in place of the transmission information name designation unit and the transmission information name reception unit, respectively, and the transmission information collation unit includes Check whether the information name and version output by the transmission information name and version specification unit matches the information name or version of the transmission information name reception unit, and if they match, download to the gateway, so change the system configuration. In such a case, it is possible to provide a plant monitoring system that can automatically download a new program by changing the version number without changing the name of the transmission definition information.

When the information name and version output by the first transmission information name and version designating section are not installed in the second transmission information converting section, the transmission information collating section determines that the first transmission information converting section is the first transmission information converting section. Since the transmission definition information is requested to be downloaded to, the same effect as described above can be obtained.

Furthermore, the monitoring device is provided with a first transmission network laying time management unit and the gateway is provided with a second transmission network laying time management unit, and the transmission information collating unit is provided with the first transmission network laying time management unit.
The download time indicated by the transmission network laying time management unit and the laying completion time indicated by the second transmission network laying time management unit are compared, and if the download time is old, it is downloaded to the gateway. Since the gateway does not operate unless it passes, it is possible to provide a plant monitoring system having an excellent effect that the system configuration on the monitoring device can be changed before the installation of the transmission network is completed on the actual system.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of a monitoring device according to a first embodiment of the present invention.

FIG. 2 is a flowchart showing an operation flow according to the first embodiment of the present invention.

FIG. 3 is a diagram showing a configuration of a monitoring device according to a second embodiment of the present invention.

FIG. 4 is a flowchart showing an operation flow according to the second embodiment of the present invention.

FIG. 5 is a diagram showing configurations of a monitoring device and a gateway according to a third embodiment of the present invention.

FIG. 6 is a flowchart showing an operation flow according to the third embodiment of the present invention.

FIG. 7 is a flowchart showing an operation flow according to the third embodiment of the present invention.

FIG. 8 is a diagram showing configurations of a monitoring device and a gateway according to a fourth embodiment of the present invention.

FIG. 9 is a flow chart showing an operation flow according to the fourth embodiment of the present invention.

FIG. 10 is a diagram showing configurations of a monitoring device and a gateway according to a fifth embodiment of the present invention.

FIG. 11 is a flow chart showing an operation flow according to the fifth embodiment of the present invention.

FIG. 12 is a diagram showing configurations of a monitoring device and a gateway according to a sixth embodiment of the present invention.

FIG. 13 is a flowchart showing an operation flow according to the sixth embodiment of the present invention.

FIG. 14 is a plant monitoring system diagram of the present invention and the prior art.

FIG. 15 is a diagram showing a configuration of a conventional monitoring device.

FIG. 16 is a diagram showing an operation flow of a conventional technique.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 monitoring device, 5 transmission network, 6a, 6b gateway, 10 system status display unit, 11 configuration information management unit, 12 transmission information extraction unit, 13 transmission information notification unit, 1
4 transmission information extraction clock section, 16 transmission information reception clock section,
17 transmission information collating unit, 18 transmission information name designating unit, 1
9 transmission information name reception unit, 20 second transmission information conversion unit, 21 first transmission information conversion unit, 22 transmission information name and version designation unit, 23 transmission information name and version reception unit, 24 first transmission network installation Time management unit, 25
Second transmission network laying time management unit, 100 plant monitoring system.

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) H04Q 9/00 311 H04Q 9/00 311W F term (reference) 5B089 GA11 GA31 JA35 JB21 KA01 KB04 KC53 5H223 AA01 CC01 DD03 DD05 DD07 DD09 EE11 5K033 AA09 BA03 BA08 DA01 DA13 DB18 DB20 EC02 5K048 BA23 DA05 GC01 HA01

Claims (9)

[Claims] 1. A monitoring device and a plurality of control devices are provided on a transmission network, and a control device having a different protocol among the plurality of control devices is provided with a gateway, and via the gateway. A plant monitoring system connected to the transmission network, wherein the monitoring device includes a configuration information management unit and a transmission information extraction unit, and information for changing the system configuration is input to the configuration information management unit. Then, the transmission information extracting unit extracts the transmission definition information and instructs the gateway to set the transmission definition information. 2. The plant monitoring system according to claim 1, wherein the monitoring device is further provided with a transmission information notifying unit, and when the information for changing the system configuration is input to the configuration information managing unit, The transmission information extraction unit outputs the transmission definition information to the transmission information notification unit, and when the transmission information notification unit receives the output, it confirms whether or not communication with the gateway is possible, and then instructs the gateway to set the transmission definition information. The plant monitoring system according to claim 1, which is performed. 3. The plant monitoring system according to claim 2, wherein the monitoring device further includes a transmission information extraction clock unit, and the gateway includes a transmission information reception clock unit and a transmission information collation unit. In addition, when the information for changing the system configuration is input to the configuration information management unit, the transmission information extraction unit provides the transmission definition information and the information extraction time from the transmission information extraction clock unit to the transmission information notification unit. When the transmission information notification unit receives the output, the transmission information notification unit confirms whether communication with the gateway is possible, and then instructs the gateway to set the transmission definition information, and the transmission information collation unit extracts the transmission information. The transmission definition information extraction time of the clock unit is compared with the reception storage time of the transmission information reception clock unit, and when the extraction time is newer than the reception storage time, Plant monitoring system according to claim 2, wherein the downloading the feed definition information to the gateway. 4. The transmission information collating unit downloads the latest transmission definition information from the monitoring device when the transmission definition information extraction time of the transmission information extraction clock unit is older than the reception storage time of the transmission information reception clock unit, The plant monitoring system according to claim 3, wherein the transmission information reception clock unit is notified of the time. 5. The plant monitoring system according to claim 3, further comprising a transmission information name designating unit and a first transmission information converting unit in the monitoring device, and a transmission information name in the gateway. The reception unit and the second transmission information conversion unit are provided, and when the information for changing the system configuration is input to the configuration information management unit, the transmission information extraction unit uses the transmission definition information and the transmission information name designation unit. The name of the transmission definition information of and the information extraction time from the transmission information extraction clock unit are output to the transmission information notification unit,
Upon receiving the output, the transmission information notification unit confirms whether communication with the gateway is possible, and then instructs the gateway to set the transmission definition information, and the transmission information collation unit transmits the transmission definition information of the transmission information extraction clock unit. The extraction time and the reception storage time of the transmission information reception clock unit are compared, and it is confirmed whether the transmission definition information name output by the transmission information name designating unit and the information name of the information name receiving unit match. The plant monitoring system according to claim 3, wherein the transmission definition information is downloaded to the gateway when the extraction time is newer than the reception storage time and when the transmission definition information name matches. 6. When the transmission definition name output by the first transmission information name designating unit is not installed in the second transmission information converting unit, the transmission information collating unit transmits the transmission definition to the first transmission information converting unit. 6. The plant monitoring system according to claim 5, wherein the download request is made for the information. 7. The plant monitoring system according to claim 5, wherein a transmission information name and version designation unit and a transmission information name and version reception unit are provided in place of the transmission information name designation unit and the transmission information name reception unit, respectively. When the information for changing the system configuration is input to the configuration information management unit, the transmission information extraction unit transmits the transmission definition information, the name and version of the transmission definition information from the transmission information name and version designation unit, and the transmission information. The information extraction time from the information extraction clock unit is output to the transmission information notification unit, and when the transmission information notification unit receives the output, the transmission information notification unit confirms whether communication with the gateway is possible, and then instructs the gateway to set the transmission definition information. In addition, the transmission information collation unit receives the transmission definition information extraction time of the transmission information extraction clock unit and the transmission information reception clock unit of the reception time. While comparing the storage time, and confirm whether the transmission information name and the transmission definition information name and version output by the version designation unit, the information name and the information name or version of the version receiving unit match, The plant monitoring system according to claim 5, wherein the transmission definition information is downloaded to the gateway when the extraction time is newer than the reception storage time and when the transmission definition information name or version matches. 8. The transmission information collating unit transmits to the first transmission information converting unit when the transmission definition name and version output by the transmission information name and version designating unit are not installed in the second transmission information converting unit. The plant monitoring system according to claim 7, wherein the definition information is requested to be downloaded. 9. The plant monitoring system according to claim 7, further comprising a first transmission network laying time management unit in the monitoring device and a second transmission network laying time management unit in the gateway. The first transmission network laying time management unit has a function of indicating the time at which the system configuration held in the configuration information management unit is downloaded to the actual system via the transmission network. The transmission network installation time management unit has a function of indicating the time when the actual system completes installation on the transmission network, and when the information for changing the system configuration is input to the configuration information management unit, the transmission information extraction unit The transmission definition information, the transmission information name and the transmission information name and version from the version designation unit, and the information extraction time from the transmission information extraction clock unit are output to the transmission information notification unit, and the transmission information notification unit After confirming whether the communication with the gateway when receiving the output,
While transmitting the transmission definition information to the gateway, the transmission information collating unit compares the transmission definition information extraction time of the transmission information extraction clock unit with the reception storage time of the transmission information reception clock unit, and transmits the transmission information. Check whether the transmission definition information name and version output by the information name and version specification part and the information name or version of the transmission information name and version reception part match,
Further, the download time indicated by the first transmission network laying time management unit and the laying completion time indicated by the second transmission network laying time management unit are compared, and the following condition, that is, (1) extraction time is received and stored. The transmission definition information is downloaded to the gateway when it is newer than the time, (2) the transmission definition name or version matches, and (3) the download time matches the installation completion time. The plant monitoring system described.