KR20170088435A - Programmable logic controller setting file generation assistance device - Google Patents

Programmable logic controller setting file generation assistance device Download PDF

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KR20170088435A
KR20170088435A KR1020177018899A KR20177018899A KR20170088435A KR 20170088435 A KR20170088435 A KR 20170088435A KR 1020177018899 A KR1020177018899 A KR 1020177018899A KR 20177018899 A KR20177018899 A KR 20177018899A KR 20170088435 A KR20170088435 A KR 20170088435A
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programmable logic
logic controller
controller configuration
configuration
configuration file
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KR1020177018899A
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KR101815824B1 (en
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유스케 구로다
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미쓰비시덴키 가부시키가이샤
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/13—Plc programming
    • G05B2219/13049—Display progress of program, state, highlight, colour
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/10—Plc systems
    • G05B2219/14—Plc safety
    • G05B2219/14087—Selecting parameters or states to be displayed on panel, displaying states

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  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Programmable Controllers (AREA)

Abstract

The programmable logic controller configuration file generation support device determines whether or not the programmable logic controller configuration in which the device configuration input unit 32 has accepted the input conforms to the rule by specifying specification information of the programmable logic controller, And if appropriate, outputs the programmable logic controller configuration in which the device configuration input unit 32 has received the input, and if not, computes the programmable logic controller configuration changed in accordance with the rule to output And a programmable logic controller configuration file output unit 40 for generating a programmable logic controller configuration file of a programmable logic controller configuration selected from a programmable logic controller configuration displayed on the display device.

Description

PROGRAMMABLE LOGIC CONTROLLER SETTING FILE GENERATION ASSISTANCE DEVICE

The present invention relates to a programmable logic controller configuration file generation supporting apparatus that supports creation of a configuration file downloaded to a programmable logic controller.

In the surveillance control system, an operation instruction is issued from the surveillance computer called SCADA (Supervisory Control And Data Acquisition) to the programmable logic controller, and the operation of each control device to be controlled is controlled by the control program stored in the programmable logic controller. In order for the programmable logic controller to control the operation of each control device, the programmable logic controller and the programmable logic controller configuration file defining the connection information of each control device must be stored in the programmable logic controller.

Conventionally, when a programmable logic controller configuration file of a supervisory control system is created, a programmable logic controller configuration file is generated in consideration of the correspondence relationship between the programmable logic controller and the control device so that the programmable logic controller can correctly control even if the number of control devices increases. I need to do a lot of work.

The technique disclosed in Patent Document 1 relates to a support tool for examining selection and reasonable combinations of constituent units before actually constructing a programmable logic controller system.

The technique disclosed in Patent Document 2 relates to an apparatus for automatically generating a control program for a mechanical system.

Patent Document 1: Japanese Patent Application Laid-Open No. 2002-108421 Patent Document 2: JP-A-2003-248506

However, the technology disclosed in Patent Document 1 has no function of presenting alternate proposals in the case of a configuration that can not be operated, merely determining whether the set unit configuration is operable or not.

In addition, since the technique disclosed in Patent Document 2 is automatically generated without regard to the constraints on the system, it is necessary for the user to adjust the program after generation.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances and provides a programmable logic controller configuration file creation support apparatus which can present a substitute plan when a programmable logic controller configuration that can not be operated is input, .

In order to solve the above-described problems, the present invention provides a programmable logic controller configuration file creation function for generating a programmable logic controller configuration file used by a programmable logic controller in a supervisory control system to control the operation of a control device through a network A rule for calculating a programmable logic controller configuration represented by a combination of a programmable logic controller, a control device, and a network, specification information of the programmable logic controller, specification information of the control device, A device configuration input unit for accepting an input of a configuration of a programmable logic controller by a user and a programmable logic controller configuration in which an input of a device configuration input unit is accepted are determined to be suitable for a rule, Based on the specification information of the mule logic controller, specification information of the control device, and specification information of the network, and when appropriate, the device configuration input section outputs the programmable logic controller configuration in which the input is accepted, A programmable logic controller configuration calculating unit for calculating and outputting a programmable logic controller configuration modified to be suitable for the programmable logic controller configuration calculating unit and for outputting the programmable logic controller configuration calculated by the programmable logic controller configuration calculating unit; Programmable Logic Controller Configuration Selected by Programmable Logic Controller Configuration Displayed by Programmable Logic Controller Configuration Programmable Logic Controller Configuration File And a controller setting file output unit.

The programmable logic controller configuration file generation support device according to the present invention can provide a substitute proposal when a programmable logic controller configuration that can not be operated is input and thus the adjustment of the programmable logic controller configuration file by the user is unnecessary .

1 is a block diagram showing a configuration of a supervisory control system to which a programmable logic controller installation file generated by a programmable logic controller configuration file generation support device according to Embodiment 1 of the present invention is applied.
2 is a functional block diagram of a programmable logic controller configuration file generation support device according to the first embodiment.
3 is a diagram showing a hardware configuration of a computer for storing and generating a programmable logic controller configuration file according to the first embodiment.
4 is a diagram showing an example of a programmable logic controller configuration file in which the programmable logic controller configuration file generation support device according to the first embodiment supports generation.
5 is a flowchart showing the flow of operation of the programmable logic controller configuration file generation supporting apparatus according to the first embodiment.
6 is a diagram showing an example of specification information of the programmable logic controller managed by the data management unit of the programmable logic controller configuration file generation supporting apparatus according to the first embodiment.
7 is a diagram showing an example of specification information of a control device managed by the data management unit of the programmable logic controller configuration file generation support apparatus according to the first embodiment.
8 is a diagram showing an example of network specification information managed by the data management unit of the programmable logic controller configuration file generation supporting apparatus according to the first embodiment.
9 is a diagram showing an example of a programmable logic controller configuration calculation rule managed by the data management unit of the programmable logic controller configuration file generation supporting apparatus according to the first embodiment.
10 is a flowchart of a process for determining whether or not a programmable logic controller configuration file is required to be rebuilt when a programmable logic controller configuration calculation unit of a programmable logic controller configuration file generation supporting apparatus according to the first embodiment calculates candidates of a programmable logic controller configuration file Fig.
11 is a flowchart showing the flow of calculation processing performed when the programmable logic controller configuration calculation unit of the programmable logic controller configuration file generation supporting apparatus according to the first embodiment calculates candidate candidates of the programmable logic controller configuration file.
12 is a flowchart showing the flow of determination processing executed by the programmable logic controller configuration calculation unit of the programmable logic controller configuration file generation supporting apparatus according to the first embodiment to calculate the candidates of the programmable logic controller configuration file.
13 is a flowchart showing a flow of a process for reconstructing a programmable logic controller configuration of the programmable logic controller configuration calculation unit of the programmable logic controller configuration file generation supporting apparatus according to the first embodiment.
14 is a diagram schematically showing a configuration of a programmable logic controller inputted to a programmable logic controller configuration file generation support device according to the first embodiment.
15 is a diagram schematically showing a configuration of a programmable logic controller reconstructed by a programmable logic controller configuration file generation support device according to the first embodiment.
16 is a diagram schematically showing a configuration of a programmable logic controller inputted to a programmable logic controller configuration file generation support device according to the first embodiment.
17 is a diagram schematically showing the configuration of a programmable logic controller reconstructed by the programmable logic controller configuration file generation support device according to the first embodiment.
18 is a diagram showing an example of a screen for designating a calculation object of the programmable logic controller configuration in the programmable logic controller configuration file generation supporting apparatus according to the first embodiment.
FIG. 19 is a diagram schematically showing the operation of the programmable logic controller configuration file generation support device according to the first embodiment. FIG.
20 is a diagram showing a configuration of a programmable logic controller configuration file generation supporting apparatus according to a second embodiment of the present invention.
21 is a flowchart showing the flow of operation of the programmable logic controller configuration file generation supporting apparatus according to the second embodiment.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a programmable logic controller configuration file generation support device according to an embodiment of the present invention will be described in detail with reference to the drawings. The present invention is not limited to these embodiments.

Embodiment 1

1 is a block diagram showing a configuration of a supervisory control system to which a programmable logic controller installation file generated by a programmable logic controller configuration file generation support device according to Embodiment 1 of the present invention is applied. The supervisory control system includes a supervisory control computer 11 that issues an operation instruction to a programmable logic controller, a programmable logic controller configuration file generation support device 12, a programmable logic controller 13 that controls the control device 14, and a programmable logic controller 13 as a control target of the control device 14. The programmable logic controller 13 and the control device 14 are connected to the network 15. The programmable logic controller configuration file creation support device 12 is realized by the programmable logic controller configuration file creation storage computer executing the programmable logic controller configuration file creation support program.

The supervisory control computer 11 and the programmable logic controller configuration file creation support device 12 may be the same computer. At least one control device 14 is connected to the programmable logic controller 13. In addition, two or more programmable logic controllers 13 may be connected to the programmable logic controller configuration file generation support device 12.

The information indicating the combination of the programmable logic controller 13, the control device 14, and the network 15 is called " programmable logic controller configuration ".

2 is a functional block diagram of a programmable logic controller configuration file generation support device according to the first embodiment. The programmable logic controller configuration file generation support device 12 includes a device configuration display unit 31 for displaying the configuration of the programmable logic controller inputted to the input device 22 on a display device 21 to be described later, 22), and a display for setting a set value by the user on the programmable logic controller configuration calculation rule, which will be described later, on the display device 21 to be described later A personal setting display unit 33 and a personal setting input unit 34 for accepting input of a set value made to the input device 22 to be described later, a device configuration display unit 31 and a personal setting display unit 33 , And a setting processing unit (35) for acquiring input data from the device configuration input unit (32) and the personal information input unit (34).

The programmable logic controller configuration file generation support device includes a programmable logic controller configuration candidate display unit 36 and a programmable logic controller configuration candidate display unit 36 that display candidates of a programmable logic controller configuration on a display device 21 And a programmable logic controller configuration candidate selecting unit 37 for selecting a programmable logic controller configuration from the candidates of the programmable logic controller configuration displayed on the display device 21 that displays the program.

The programmable logic controller configuration file generation support device 12 calculates candidate candidates for the programmable logic controller configuration and transfers the candidate candidates to the programmable logic controller configuration candidate display unit 36, A programmable logic controller configuration calculating unit 38 for receiving the selection contents and transferring the selected contents to the setting processing unit 35 and a setting unit 35 for setting the information exchanged with the setting processing unit 35 or the programmable logic controller configuration calculating unit 38 to non- A data management unit 39 that manages by using the apparatus 25 and the volatile memory 26, and a programmable logic controller configuration file output unit 40 that generates a programmable logic controller configuration file.

3 is a diagram showing a hardware configuration of a computer for storing and generating a programmable logic controller configuration file. The programmable logic controller configuration file generation storage computer 16 includes a display device 21 for displaying information, an input device 22 as an input interface, a central processing unit 23 for performing calculation processing, (24). The storage device 24 has a nonvolatile storage device 25 for storing information in a nonvolatile manner and a volatile storage device 26 serving as a work memory used by the central processing unit 23. [ The nonvolatile memory device 25 stores program and setting data for realizing the programmable logic controller setting file generation support device. The volatile memory device 26 is used when the central processing unit 23 executes the programmable logic controller configuration file creation support program.

A configuration setting display unit 31, a device configuration input unit 32, a personal setting display unit 33, a personal setting input unit 34, a setting processing unit 35, a programmable logic controller configuration candidate display unit 36, And the programmable logic controller configuration file output unit 40 are connected to the central processing unit 23 and the central processing unit 23. The programmable logic controller configuration calculation unit 38, the data management unit 39, and the programmable logic controller configuration file output unit 40, By using the volatile memory device 26 as a work space. In addition, a plurality of central processing units and a plurality of volatile storage units may cooperate to execute the above function.

Since the hardware configuration of the supervisory control computer 11 is the same as that of the programmable logic controller configuration file creation storage computer 16, a description thereof will be omitted.

4 is a diagram showing an example of a programmable logic controller configuration file in which the programmable logic controller configuration file generation support device according to the first embodiment supports generation. The programmable logic controller configuration file 50 includes a unit configuration 51 that shows the unit configuration of the programmable logic controller 13 and a configuration 51 that indicates which of the plurality of devices of the programmable logic controller 13 is assigned to which control device 14 A network setting 53 indicating an address or a station number of the device number setting 52, the programmable logic controller 13 and the control device 14, a control program 54 for controlling the operation of each control device and a programmable logic controller 13 And other settings 55 that are related to the operation of the display device. Examples of other settings 55 include a logging interval when the programmable logic controller 13 performs a logging operation and a log data storage period.

5 is a flowchart showing the flow of operation of the programmable logic controller configuration file generation supporting apparatus according to the first embodiment. The programmable logic controller configuration file generation support device supports the generation operation of the user's programmable logic controller configuration file by sequentially executing the following steps S100 to S104.

In step S100, the device configuration input unit 32 receives an operation for selecting the programmable logic controller, the control device, and the network, which are the targets of the configuration of the programmable logic controller in the supervisory control system, performed for the input device 22 .

In step S101, the setting processing unit 35 receives the input contents accepted by the device configuration input unit 32, and transfers the received contents to the programmable logic controller configuration calculating unit 38. [

In step S102, the programmable logic controller configuration calculating unit 38 generates a candidate of the programmable logic controller configuration capable of generating the programmable logic controller configuration file 50, based on the information managed by the data managing unit 39 And transmits it to the programmable logic controller configuration candidate display unit 36. The programmable logic controller configuration candidate display unit 36 displays the candidates of the programmable logic controller configuration received from the programmable logic controller configuration calculating unit 38 on the display device 21. [

In step S103, the programmable logic controller configuration candidate selection unit 37 receives an input operation for selecting the programmable logic controller configuration performed on the input device 22. [

In step S104, the programmable logic controller configuration file output unit 40 generates a programmable logic controller configuration file.

Next, the information managed by the data management unit 39 will be described. The data management unit 39 stores the specification information of the programmable logic controller, the specification information of the control device, the specification information of the network, and the programmable logic controller configuration calculation rule in the nonvolatile storage device 25 and manages the information.

6 is a diagram showing an example of specification information of the programmable logic controller managed by the data management unit of the programmable logic controller configuration file generation supporting apparatus according to the first embodiment. The specification information 70 of the programmable logic controller includes an identification (ID) 71 identifying a record, a type 72 of a programmable logic controller, a name 73 of a programmable logic controller, A device number upper limit 74 indicating the number of devices, a network type 75 indicating a type of connectable network, a power consumption 76 of the programmable logic controller, and a price 77 of the programmable logic controller.

7 is a diagram showing an example of specification information of a control device managed by the data management unit of the programmable logic controller configuration file generation support apparatus according to the first embodiment. The specification information 80 of the control device includes the ID 81 for identifying the record, the type 82 of the control device, the name 83 of the control device, the upper limit 84 of the number of devices required for the control device, The power consumption 86 of the control device, and the price 87 of the control device.

8 is a diagram showing an example of network specification information managed by the data management unit of the programmable logic controller configuration file generation supporting apparatus according to the first embodiment. The network specification information 90 includes an ID 91 for identifying a record, a type 92 of a network, a connectable number 93 indicating the number of devices connectable to one network, Information.

9 is a diagram showing an example of a programmable logic controller configuration calculation rule managed by the data management unit of the programmable logic controller configuration file generation supporting apparatus according to the first embodiment. The programmable logic controller configuration calculation rule 100 is a rule for calculating the configuration of the programmable logic controller. The programmable logic controller configuration calculation rule 100 includes an ID 101 for identifying a record, a type 102 for identifying an object and an ID 103 in a type, A change method 104 as an index of how much control devices are to be included in one group in the construction process, a preset value 105 set by the maker, and a personal setting input unit 34 And a set value 106 set by the user. There are three types of changing methods 104, namely, "upper limit", "equal", and "replacement". These will be described later.

The value of the default value 105 when the changing method is the upper limit is determined based on the upper limit 74 of the number of devices defined in the specification information 70 of the programmable logic controller or the number of connectable devices 93 defined in the specification information 90 of the network ). ≪ / RTI >

The programmable logic controller configuration calculation rule 100 stores a default value 105 for each programmable logic controller 13 or each network 15. When the user makes a setting update in the personal setting input unit 34, The set value 106 is stored.

The range in which the set value can be set by one operation in the individual setting input section 34 is three types for each type of the programmable logic controller 13 and for each type of the programmable logic controller 13 and the network 15 . The programmable logic controller configuration calculation rule 100 can be set only for a specific programmable logic controller 13 if it is set for each type of the programmable logic controller 13. For example, The set value 106 is set in the record of the changing method " upper limit " The set value 106 is set in the record of the change method "upper limit" in the programmable logic controller configuration calculation rule 100 of all the programmable logic controllers 13, if it is set for each type of the entire programmable logic controller 13. [

10 is a flowchart of a process for determining whether or not a programmable logic controller configuration file is required to be rebuilt when a programmable logic controller configuration calculation unit of a programmable logic controller configuration file generation supporting apparatus according to the first embodiment calculates candidates of a programmable logic controller configuration file Fig. The processing shown in Fig. 10 is performed in step S102 shown in Fig. The processing for determining whether or not the re-construction of the programmable logic controller configuration is necessary includes the calculation processing S110, the determination processing S120, and the display processing S140.

11 is a flowchart showing the flow of calculation processing performed when the programmable logic controller configuration calculation unit of the programmable logic controller configuration file generation supporting apparatus according to the first embodiment calculates candidate candidates of the programmable logic controller configuration file. In the calculation processing of step S110, the following steps S111 to S115 are executed in order.

In step S111, the programmable logic controller configuration calculating section 38 calculates the upper limit of the number of devices (the number of devices) of the record of the programmable logic controller 13 selected in step S100 shown in FIG. 5 registered in the specification information 70 of the programmable logic controller 74).

In step S112, the programmable logic controller configuration calculating unit 38 obtains the connectable number 93 of the network 15 selected in step S100 shown in Fig. 5 from the network specification information 90. [

Thereafter, in steps S113 to S115, loop processing is repeated for the number of input control devices.

In step S113, the programmable logic controller configuration calculator 38 determines whether or not the control device 14 selected in step S100 shown in Fig. 5 is the control device 14 that is not the subject of loop processing in steps S113 to S15 And acquires the corresponding record from the specification information 80 of the control device.

In step S114, the programmable logic controller configuration calculating unit 38 adds the value of the device number upper limit 84 required for control to the accumulated value during the loop processing.

In step S115, the programmable logic controller configuration calculating section 38 calculates the configuration of the control device 14 on the network, on the network 15 connecting the control device 14 and the programmable logic controller 13, Add 1 to the number of network connections that represent the cumulative value.

12 is a flowchart showing the flow of a determination process for calculating a candidate of the programmable logic controller configuration file of the programmable logic controller configuration calculation unit of the programmable logic controller configuration file generation supporting apparatus according to the first embodiment.

In the determination processing of step S120, it is determined whether or not the reconfiguration of the programmable logic controller configuration is necessary based on the result of the calculation processing of step S110. In the determination processing of step S120, the following steps S121 to S130 are executed.

In step S121, the programmable logic controller configuration calculating unit 38 compares the connectable number 93 of the network 15 with the network connection number calculated in step S115, Is not exceeded.

In step S122, the programmable logic controller configuration calculating unit 38 compares the device upper limit number 74 of the programmable logic controller 13 with the device number calculated in step S114. If the number of devices is equal to the device upper limit number 74, Is not exceeded.

When the number of network connections calculated in the step S115 exceeds the connectable number 93 (No in the step S121) or when the number of devices calculated in the step S114 exceeds the device upper limit number 74 (No in the step S122) , The process proceeds to step S130, and the programmable logic controller configuration calculating unit 38 performs a rebuild process. If the number of network connections calculated in step S115 is equal to or less than the connectable number 93 (Yes in step S121), or if the number of devices calculated in step S114 is equal to or smaller than the device upper limit number 74 (Yes in step S122) Lt; / RTI >

13 is a flowchart showing a flow of a process for reconstructing a programmable logic controller configuration of the programmable logic controller configuration calculation unit of the programmable logic controller configuration file generation supporting apparatus according to the first embodiment. In the rebuild process of step S130, the following steps S131 to S134 are executed in order. Steps S133 and S134 are loop processing and repeat the processing for the value calculated in step S131.

It is assumed that the programmable logic controller configuration file generation support apparatus according to the first embodiment has no correlation between the upper limit 74 of the number of devices available in the programmable logic controller and the number 93 of possible network connections. Therefore, the flowchart shown in Fig. 13 is applicable to both the upper limit 74 of the number of devices that can be managed by the programmable logic controller 74 and the number of network connections 93 that can be managed by the programmable logic controller, Corresponds to the reconstruction of the configuration.

In step S131, the programmable logic controller configuration calculating section 38 calculates the number of groups that need to be divided by dividing the sum of the calculated values by the upper limit value. The calculated value here is the total of the number of devices set or the network 15 selected by each control device. As described above, the changing method 104 has three kinds of "upper limit", "equal", and "replacement". If the changing method is an upper limit, the upper limit value is the value defined in the default value 105 of the programmable logic controller configuration calculation rule 100, that is, the upper limit number of devices 74 or the network connectable number 93. If the changing method is uniform, the upper limit value is a value defined in the set value 106 of the programmable logic controller configuration calculation rule 100. If the modification method is substitution, the upper limit value is 1.

In step S132, the programmable logic controller configuration calculating unit 38 defines a threshold value for performing the loop processing next. The threshold value is an index indicating how many control devices are included in one group. This indicator is determined by the changing method 104. If the changing method 104 is the upper limit, the threshold is the value defined in the default value 105 of the programmable logic controller configuration calculation rule 100, that is, the upper device number limit 74 or the network connectable number 93. When the changing method 104 is equal, a value obtained by dividing the sum of the number of devices by the value calculated in step S131 is set as a threshold value. When the changing method 104 is a substitution, it is replaced with another programmable logic controller 13 or network 15 that may include the calculated value sum, and then the upper limit number of devices 74 or the network connectable number 93, As a threshold value.

Thereafter, steps S133 and S134 for distributing each control device 14 to each programmable logic controller 13 or network 15 are repeated.

In step S133, the programmable logic controller configuration calculating unit 38 adds the value to be calculated and calculates a cumulative value. The value to be calculated is the number of devices in the case of the device and 1 in the case of the network.

In step S134, when the cumulative value of the value to be calculated exceeds the threshold value, the programmable logic controller configuration calculating unit 38 sets the set of the control apparatuses up to the last to be the control target of the same programmable logic controller or network.

The programmable logic controller configuration candidate display section 36 displays the programmable logic controller configuration satisfying the restriction of the device upper limit 74 and the connectable logarithm 93 to the programmable logic controller configuration calculating section 38, And causes the display device 21 to display it. The programmable logic controller configuration calculator 38 determines whether or not the programmable logic controller 13 and the control device 14 are connected to the network 15 of the type 92 that matches the types set in the network type 75 and the network type 85, The network 15 is selected to be connected to the network 15. When there are a plurality of programmable logic controllers 13 or networks 15 applicable to the configuration of the programmable logic controller, the power consumption is set by the user based on the power consumption 76, 86 and the prices 77, 87, The programmable logic controller 13, the control device 14 and the network 15 are selected so as to satisfy the constraint condition.

The constraint condition is a condition when the programmable logic controller configuration calculating unit 38 selects a programmable logic controller, a control device, and a network to apply to candidates of the programmable logic controller configuration. Specific examples of the constraint include price and power consumption. That is, when the constraint on the price is set, the programmable logic controller configuration calculating unit 38 selects the programmable logic controller, the control device, and the network to be used in the configuration of the programmable logic controller so as to be within the set price.

14 is a diagram schematically showing a configuration of a programmable logic controller input to a programmable logic controller configuration file generation support device according to the first embodiment. In the case of the configuration A shown in Fig. 14, the upper limit 74 of the number of devices that can be controlled by the programmable logic controller 13, which is the programmable logic controller 13, is 128. However, the control device 14, The total number of devices required by the device_3 and the control device_4 is 224. Since the total number of devices of the control device 14 exceeds the upper limit 74 of the number of devices of the programmable logic controller 13, it is necessary to reconstruct the configuration of the programmable logic controller. It is assumed that the number of connectable networks NW1 as the network 15 is four or more.

15 is a diagram schematically showing a configuration of a programmable logic controller reconstructed by a programmable logic controller configuration file generation support device according to the first embodiment. Fig. 15 shows a configuration of the programmable logic controller in which the programmable logic controller configuration file generation supporting device is reconstructed by applying the changing method " upper limit " to the configuration A shown in Fig. By dividing the programmable logic controller 13 into two pieces of the programmable logic controller_A1 and the programmable logic controller_A2, the number of devices required by the control device_1 and the control device_2 is determined by the upper limit 74 of the number of devices that can be controlled by the programmable logic controller_A1, And the number of devices required by the control device_3 and the control device_4 is equal to or smaller than the value of the upper limit 74 of the number of devices that can be controlled by the programmable logic controller_A2. Since the connectable number of the network NW1 is 4 or more, the number of connectable numbers of the network 15 is kept.

By dividing the programmable logic controller 13 into two pieces of the programmable logic controller_A1 and the programmable logic controller_A2, the programmable logic controller configuration file generation support device is capable of storing the sum of the number of devices of the control device 14 equal to or smaller than the device number upper limit 74 The programmable logic controller configuration file 50 for the programmable logic controller configuration of FIG.

When replacing the programmable logic controller 13 with another type, the programmable logic controller configuration calculating unit 38 determines whether the type of the network registered in the network type 75 is the type 92 of the network 15, The programmable logic controller 13 selects the programmable logic controller 13 that matches the program code. This eliminates the need to change the network 15 to another type of network 15 when replacing the programmable logic controller 13 with another type of programmable logic controller 13. [ However, if the programmable logic controller 13 whose type of network registered in the network type 75 matches the type 92 of the network 15 can not satisfy the restriction of the number of devices, the network type 75 May be replaced with a programmable logic controller 13 that is different from the type 92 of the network 15.

The type of the network 15 that connects the programmable logic controller 13 and the control device 14 to the control device 14 is not limited to the network type 75 The programmable logic controller 13, the control device 14, or the network 15 is changed to a different type and the programmable logic controller configuration is changed to the programmable logic controller 13 And the logic controller configuration calculating unit 38 may calculate it.

16 is a diagram schematically showing a configuration of a programmable logic controller inputted to a programmable logic controller configuration file generation support device according to the first embodiment. In the case of the configuration B shown in Fig. 16, since it is set to connect 50 control devices 14 from the control device_1 to the control device 50 to 32 connectable number of the network NW2, the configuration of the programmable logic controller configuration Rebuilding is necessary.

17 is a diagram schematically showing the configuration of a programmable logic controller reconstructed by the programmable logic controller configuration file generation support device according to the first embodiment. Fig. 17 shows a configuration of the programmable logic controller that is rebuilt by applying the changing method " upper limit " to the configuration B shown in Fig. By dividing the network NW2 into two systems, a programmable logic controller configuration in which the number of network connections of each network 15 does not exceed the connectable number 93 is obtained. As a result, the programmable logic controller configuration file creation support device outputs the programmable logic controller configuration file 50 for the programmable logic controller configuration in which the network connection number of each network 15 does not exceed the connectable number 93 .

18 is a diagram showing an example of a screen for designating a calculation object of the programmable logic controller configuration in the programmable logic controller configuration file generation supporting apparatus according to the first embodiment. By specifying the programmable logic controller, the control device, and the network that are not to be calculated by the programmable logic controller configuration in the device configuration input unit 32, the programmable logic controller configuration calculator 38 can calculate the programmable logic controller configuration It is possible.

FIG. 19 is a diagram schematically showing the operation of the programmable logic controller configuration file generation support device according to the first embodiment. FIG. Configuration C is a programmable logic controller configuration for controlling six control devices 14 by two programmable logic controllers, PLC_C1 and PLC_C2. However, the range to be controlled by the PLC_C1 is specified to be out of the calculation target of the programmable logic controller configuration.

With respect to the configuration C shown in Fig. 19, it is possible to configure the programmable logic controller configuration in which both the PLC_C1 and the PLC_C2 do not exceed the upper limit of the number of devices by disposing the control device_3 under the PLC_C1, but the PLC_C1, the control device_1 and the control device_2 The programmable logic controller configuration calculating unit 38 calculates the programmable logic controller configuration for the four control devices 14 managed by the PLC_C2 and PLC_C2.

As described above, the programmable logic controller configuration file generation support device according to the first embodiment can present a substitute proposal when the programmable logic controller configuration that can not be operated is input, and it is not necessary to adjust the programmable logic controller configuration file by the user Do.

Embodiment 2 Fig.

20 is a diagram showing a configuration of a programmable logic controller configuration file generation supporting apparatus according to a second embodiment of the present invention. The programmable logic controller configuration file creation support device 12 'according to the second embodiment includes a web communication unit 41 for acquiring information from the Internet and a programmable logic controller (not shown) for acquiring information from the programmable logic controller that downloaded the programmable logic controller configuration file And a communication unit 42.

The information obtained from the Internet by the web communication unit 41 includes the latest programmable logic controller specification information 70 and the latest control equipment specification information 80 and other users to the programmable logic controller configuration candidate selecting unit 37 And a programmable logic controller configuration calculation rule managed by the data management unit 39. [ The information that the programmable logic controller communication unit 42 acquires from the programmable logic controller that has downloaded the programmable logic controller configuration file is operation information that indicates the actual programmable logic controller configuration and the operation status of the programmable logic controller. The other parts are the same as the programmable logic controller configuration file generation support device according to the first embodiment.

21 is a flowchart showing the flow of operation of the programmable logic controller configuration file generation supporting apparatus according to the second embodiment. Processing similar to the programmable logic controller configuration file generation supporting device according to the first embodiment shown in Fig. 5 assigns the same step numbers.

In step S200, the web communication unit 41 and the programmable logic controller communication unit 42 acquire information from the programmable logic controller that has downloaded the Internet and the programmable logic controller configuration file. The acquired information is stored in the storage unit 24 by the data management unit 39 and managed.

In step S100, the device configuration display unit 31 displays the actual programmable logic controller configuration including the programmable logic controller that has downloaded the programmable logic controller configuration file in a state where the configuration is not to be calculated, thereby including the programmable logic controller that is already in operation It is possible to omit the process of constructing the programmable logic controller configuration.

In step S201, the programmable logic controller configuration calculating section 38 calculates the latest programmable logic controller information 70 and the latest control device specification information 80 managed by the data management section 39, The selection result of another user to the controller configuration candidate selecting unit 37 is obtained. In the following step S102, the programmable logic controller configuration calculating unit 38 calculates the programmable logic controller configuration using the information acquired from the data managing unit 39. [

In step S102, by displaying the operation information of the programmable logic controller on the display device 21, the user can select the programmable logic controller configuration with reference to the operation information.

In step S202, the programmable logic controller configuration candidate display section 36 highlights the most-selected programmable logic controller configuration based on the trend of the selection state of the other person and the tendency of the user's selection state. Thus, in the following step S103, the user can easily select the desired programmable logic controller configuration.

In step S203, the programmable logic controller configuration file output unit 40 creates a list of devices necessary for configuring the programmable logic controller used in the programmable logic controller configuration file 50, and outputs the list to the setting processing unit 35. [ The setting processing unit (35) manages the data of the table of the devices necessary for configuring the programmable logic controller in the data management unit (39). Thus, the user can use the data in the list of the devices necessary for the configuration of the programmable logic controller managed by the data management unit 39, and use the web communication unit 41 to acquire, . For example, by automatically sending data of a necessary device list to an electronic mailer, a programmable logic controller that generates a programmable logic controller configuration file, automatically orders a description of a programmable logic controller, a control device, and a network necessary for configuring the controller .

In step S204, the programmable logic controller configuration candidate selection unit 37 controls the data management unit 39 to manage the selection result. As a result, in the process of step S202 in the next and subsequent operations, the programmable logic controller configuration candidate display unit 36 can reflect the selected state to highlight the programmable logic controller configuration.

The programmable logic controller configuration file generation support device according to the second embodiment can acquire information from the programmable logic controller that has downloaded the Internet or the programmable logic controller configuration file. Therefore, when the specification of the programmable logic controller or the control device is revised It is possible to judge whether or not the re-construction of the programmable logic controller configuration is necessary based on the latest specification information, and to perform the rebuild process. In addition, the process of constructing a programmable logic controller configuration including a programmable logic controller in operation can be omitted. It is also possible to place a description of the programmable logic controller, the control device, and the network necessary for configuring the monitoring control system to the vendor using the web communication unit 41. [

The configuration shown in the above embodiment represents one example of the content of the present invention and can be combined with other known technology and a part of the configuration can be omitted or changed within a range not departing from the gist of the present invention Do.

11: Computer for monitoring control
12, 12 ': Programmable logic controller configuration file support device
13: Programmable logic controller 14: Control device
15: Network
16: Programmable Logic Controller Configuration File Creation Storage Computer
21: display device 22: input device
23: central processing unit 24: storage device
25: nonvolatile storage device 26: volatile storage device
31: device configuration display section 32: device configuration input section
33: personal setting display section 34: personal setting input section
35:
36: Programmable Logic Controller Configuration Candidate Display
37: Programmable Logic Controller Configuration Candidate Selection Unit
38: Programmable Logic Controller Configuration Calculator
39:
40: Programmable Logic Controller Configuration File Output
41: Web communication department
42: Programmable Logic Controller Communication Unit 51: Unit Configuration
52: Device number setting 53: Network setting
54: Control program 55: Other settings
70: Specification Information for Programmable Logic Controller
71, 81, 91, 101: ID 72, 82, 92, 102: type
73, 83: Name 74, 84: Upper device number limit,
75, 85: Network type 76, 86: Power consumption
77, 87, 94: Price 80: Specification information of control device
90: specification information of the network 93: connectable number
100: Programmable logic controller configuration calculation rule
103: Type ID 104: How to change
105: preset value 106: set value

Claims (6)

A programmable logic controller configuration file generation support device for generating a programmable logic controller configuration file used by a programmable logic controller in a supervisory control system to control operation of a control device through a network,
A rule for calculating a programmable logic controller configuration represented by a combination of the programmable logic controller, the control device, and the network; and a program for storing specification information of the programmable logic controller, specification information of the control device, And
A device configuration input unit for accepting an input of the programmable logic controller configuration by a user;
Wherein the device configuration input unit determines whether or not the programmable logic controller configuration in which the input of the input is conformable to the rule is determined based on specification information of the programmable logic controller, specification information of the control device, and specification information of the network, A programmable logic controller configuration calculating unit for calculating and outputting the programmable logic controller configuration in which the device configuration input unit receives the input and outputs the programmable logic controller configuration when the device configuration input unit receives the input,
A programmable logic controller configuration candidate display unit for displaying the programmable logic controller configuration output from the programmable logic controller configuration calculation unit on a display device;
And a programmable logic controller configuration file output unit for generating a programmable logic controller configuration file of a programmable logic controller configuration selected from the programmable logic controller configurations displayed by the programmable logic controller configuration candidate display unit on the display device. Generation support device. The method according to claim 1,
Wherein the rule is that the user can change the programmable logic controller configuration file. The method according to claim 1,
The history information of the programmable logic controller configuration selected from among the programmable logic controller configurations displayed by the programmable logic controller configuration candidate display section on the display device is stored in the storage device,
Wherein the programmable logic controller configuration calculator emphatically displays the programmable logic controller configuration having a high frequency of selection on the display device based on the history information. The method of claim 3,
And a web communication unit for acquiring the history information from the Internet. The method according to claim 1,
Acquires operation information indicating the operation status of the programmable logic controller from the programmable logic controller that has downloaded the programmable logic controller configuration file and displays the operation information on the display device. The method according to claim 1,
Wherein the programmable logic controller configuration file output section has a programmable logic controller, a control device, and a device for ordering a network of the network necessary for the configuration of the programmable logic controller in which the programmable logic controller configuration file is generated. File creation support device.
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