KR100877572B1 - Apparatus and method for operation sequence converting and computer readable medium processing the method - Google Patents

Abstract

The present invention provides a process sequence conversion apparatus and method for automatically generating a program written in a programming language for a programmable logic controller (PLC) using a process sequence of operation (SOP) generated by simulating a process sequence, and a computer capable of implementing the same. The present invention relates to a recording medium which can be read by using the process sequence information obtained through the logistics process modeling simulation and the hardware information selected by the user to convert the process sequence information into a program written in a PLC programming language. By using sequence information directly as information available in PLC programming tools, it has the potential to significantly reduce PLC programming time and reduce the likelihood of errors.

Description

FIELD AND METHOD FOR OPERATION SEQUENCE CONVERTING AND COMPUTER READABLE MEDIUM PROCESSING THE METHOD

1 is a flow chart illustrating a design process of a general integrated control system.

2 is a conceptual diagram showing the configuration of an embodiment of the present invention.

3 is an example of a simulation execution screen according to a process sequence for explaining an embodiment of the present invention.

4 is an exemplary view showing a part of a process sequence (SOP) defined on a process sequence for explaining an embodiment of the present invention.

5 is a screen example of a PLC programming tool for explaining an embodiment of the present invention.

6 is a block diagram showing the configuration of a PLC programming language conversion unit according to an embodiment of the present invention.

7 is a flow chart showing the operation of the embodiment of the present invention.

** Description of symbols for the main parts of the drawing **

10: process sequence simulation execution unit 20: PLC programming language conversion unit

21: process sequence SOP analysis section 22: process counterpart

23: corresponding symbol DB 24: setting section

25: output 30: PLC programming tool

The present invention relates to an apparatus and method for converting a process sequence, and in particular, a process for automatically generating a program written in a programming language for a programmable logic controller (PLC) using a process sequence of operation (SOP) generated by simulating a process sequence. An apparatus and method for sequence conversion, and a computer-readable recording medium capable of implementing the same.

As the development of the industry has advanced, various control systems have emerged. Among these control systems, PLC related to factory automation has made remarkable progress.

The emergence of such PLCs came at the end of the 1960s when General Motors (GM) announced the conditions for sequence electronic controls for automotive assembly lines and began developing and selling control equipment for these conditions. PLC's role extends not only to traditional sequence control but also to various control areas such as proportional integral (PID) control, analog control and position control.

Most PLCs have basic operation functions such as AND, OR operation of contacts and timer / counter operation, and application operation functions such as subroutine, shift, main controller control, and data operation. Initially, PLC was a logic controller, and simple control by program was possible. After that, various functions such as arithmetic operation, output device control, and communication function were added to reduce the reliability deterioration, which was a disadvantage of the previous relay control panel, and to change the control system. This saves time and money during inspection, commissioning and commissioning. Since then, the development of integrated software for the use of a PLC running on a computer has made it easier for users to program the PLC, and provides a more user-friendly environment, which not only monitors the field using graphics or processes graphics for data. In addition to problems with the process, it is also possible to collect various information. As a result, PLCs are currently used in almost all industrial fields, including factory automation.

Now let's look at the case where you want to control a machine or device with a PLC. First, if you want to control a machine or device with PLC, you should first write the contents of the control in a program form that PLC can understand. Program specifications for PLC control, although the current standards are established, there are many differences between manufacturers and models. IEC 1131-3 (International Electrotechnical Commission-Standard for Programmable Controllers-Part 3: Programming Languages) defines the international standard for PLC languages, including LD (Ladder diagram) and IL (Mnemonics, Instruction List). , Five types of sequential function charts (SFCs), function block diagrams (FBDs), and structured text (ST).

Most PLCs use either LD or IL (usually LD) or both of the programming languages for the PLC, and in recent PLCs, languages defined in IEC1131-3 or subsequent IEC1131-5. All may be employed.

PLC programming as described above is not performed directly through simple process design when the scale is large. First, the process sequence is clearly verified through logistics simulation.

Figure 1 shows a process of configuring a general PLC system, as shown is largely divided into two parts. In other words, modeling the actual process line in the three-dimensional space using the logistics process modeling simulation method and verifying the error while operating according to the process sequence, and the SOP on the process sequence determined as a result of the logistics process modeling simulation It is divided into the steps of writing a PLC program based on. Currently, the two parts are carried out independently without mutual exchange of information or information exchange in separate teams.

First, in the logistics process modeling simulation step, a process flow chart is created to define flows for input / output and step-by-step operations, and a process plan is established to define actual process line specifications or equipment items and then define specific configurations thereof. Performing modeling, performing a simulation of directly moving the modeled equipment items according to a process sequence (process sequence) based on the process plan and process flowchart, and errors found during the simulation. Verification consists of modifying the process sequence to obtain the SOP defined in the final process sequence.

The SOP includes information about control sequences of the main controller of the PLC, control sequences of the auxiliary controller hierarchically configured according to the control sequence of the main controller, and more specifically, the type of the process, the execution time of each process, Order, sequence information that is their control flow.

When the SOP on the process sequence obtained through the logistics process modeling simulation as described above is provided to the PLC program executing place, the place where the logistics process modeling simulation is performed is excluded in the subsequent process.

Where the PLC program is implemented, the specific hardware for actual factory automation is selected, the setting contents thereof are determined, and the PLC programming is performed based on the hardware set up with the SOP. After repeating the process of simulating and modifying the result in PLC programming tool, make a complete program and apply it to PLC. The writing of the PLC program uses one of the languages defined in IEC1131-3 as described above. At this time, in the case of the actual hardware configuration, the change of the SOP in the process sequence is mostly caused by the kind or characteristics of the actual component product.

In this case, the tool for performing the logistics process modeling simulation is not configured with the linkage with the PLC programming tool in mind, and if there is a physically conflicting part when the factory line modeled with the exact dimensions operates according to the correct sequence, It is intended to verify whether it is unreasonable in time, and for a separate purpose from the PLC programming tool.

Therefore, although the SOP created through the logistics process modeling simulation is referred to the PLC programming, the user writing the actual PLC program cannot use the SOP itself as data in a program written in the PLC programming language. PLC programming must be written from scratch with subjective reference to the SOP. In other words, because the digitized data is not available, PLC programming must be executed again from the beginning, which requires redundant work and wastes time, and minor programming errors occur because PLC programming does not provide visual modeling. Many problems can be found in real PLC applications. In particular, in an actual factory environment in which hardware variables are scattered, a PLC program written in accordance with the SOP often does not operate normally, and a SOP is frequently changed during PLC program creation. Therefore, the PLC program that is finally finally completed by the above mistakes, limitations by the actual application hardware, and changes in the flow generated when the SOP is changed to remove the limitations has a process different from that of the underlying SOP. Can be.

For the same reason, it is difficult to re-request the logistics process modeling simulation for these changes because the change in the SOP obtained by the logistics process modeling simulation is caused by various reasons (manual re-manufacturing the process for the logistics process modeling simulation). As a result, difficultly modeled visual constructs cannot be recycled.

In order to solve the problems of the conventional factory automation design process, which has the above-mentioned waste of time and many errors, the object of the present invention is to provide process sequence information obtained through logistics process modeling simulation and hardware information selected by a user. By converting the process sequence information into a program written in a PLC programming language by using a method, the process sequence information can be used directly as information available in a PLC programming tool to greatly reduce PLC programming time and reduce the possibility of error. An apparatus and method for converting a sequence and a computer-readable recording medium capable of implementing the same are provided.

Another object of the embodiments of the present invention is to obtain the type of the process included in the process sequence information obtained through the logistics process modeling simulation, the operation period and the sequence and the sequence of the process, and the characteristics parameter of the hardware to be applied to the process and the PLC to be used. After acquiring the information of a programming tool, a symbol suitable for the process is obtained from a symbol database suitable for the PLC programming tool, and the sequence between each symbol is configured based on the operation period and the sequence and the sequence of the process, and the corresponding PLC programming. A process sequence converting apparatus and method for generating a PLC program written in a ladder diagram (LD) suitable for a tool, and a computer-readable recording medium capable of implementing the same.

Another object of the embodiments of the present invention is to select and process information about a process to be controlled by the main controller of the PLC among the process sequence information obtained through the logistics process modeling simulation, and convert them into a ladder diagram in the PLC programming language, thereby providing a PLC programming tool. A process sequence converting apparatus and method for automatically constructing a skeleton of a process sequence usable in US, and a computer readable recording medium capable of implementing the same are provided.

In order to achieve the above object, the process sequence conversion apparatus according to an embodiment of the present invention comprises a setting unit for receiving a hardware setting for the process; A corresponding symbol database storing a list of symbols for a PLC programming tool corresponding to the processes; Based on the corresponding symbols obtained from the corresponding symbol database and the sequence of each process according to the type and hardware setting for each process by receiving the process sequence information obtained through the hardware setting obtained through the setting unit and the logistics process modeling simulation And a process sequence converter for generating and outputting a PLC program for the symbol.

The process sequence provided through the logistics modeling simulation is a SOP (Sequence of Operation) defined on the process sequence, and the process sequence includes at least the type of the process, the execution time and sequence of each process, and the start and end conditions of the process. May include information about the process sequence.

The setting unit preferably includes means for receiving a hardware setting including the type of the actual hardware including the actual display unit, the output unit, the input unit, and the sensing unit required for the process and the number of contacts.

In addition, the apparatus for converting a process sequence according to another embodiment of the present invention includes an input unit for receiving process sequence information acquired and provided through a logistics process modeling simulation; Obtain a sequence including a type of a process included in the process sequence information, an execution time and sequence of each process, and a start and end condition of the process, and then process the process using a PLC programming language supported by a predetermined PLC program tool. A process sequence converting unit generating a PLC program corresponding to the sequence; And an output unit for outputting the PLC program generated by the process sequence converter as digital information.

In addition, the process sequence conversion method according to another embodiment of the present invention is the logistics to obtain the final process sequence information through the process of modeling the process equipment according to the process layout and the simulation and modification of the modeled process equipment according to the process sequence A simulation step; A symbol determination step of setting hardware for performing processes included in the process sequence information obtained in the logistics simulation step, and determining symbols for PLC programming based on the corresponding hardware setting and the process type included in the process sequence information; And a PLC program generation step of generating a PLC program using the determined symbols and the process sequence information.

The symbol determining step may further include obtaining a symbol from a symbol database corresponding to the PLC program language determined at the time of hardware setting among the symbol databases for a plurality of PLC program languages, wherein the generating of the PLC program is determined at the time of hardware setting. The method may further include generating a program using the PLC program language.

The PLC program generation step is based on the type of the process included in the process sequence information and the symbols obtained corresponding to the sequence, the sequence including the execution time and sequence of each process and the start and end conditions of the process The method may further include generating a PLC program corresponding to the process sequence using a PLC programming language supported by a predetermined PLC program tool.

In addition, the present invention encompasses a computer-readable recording medium containing a program capable of performing the above-described method, and such a recording medium may be any type of recording medium in which programs and data are stored to be read by a computer system. Include.

The present invention as described above will be described in detail with reference to the accompanying drawings and embodiments.

FIG. 2 is a conceptual view illustrating a schematic operation method of the present invention. As shown in FIG. 2, the actual automation facility is modeled in a three-dimensional space, and then the error is verified while operating the process according to the process sequence and method sequence. According to the process sequence simulation performing unit 10 for providing a sequence of operation (SOP) according to the SOP according to the process sequence provided by the process sequence simulation performing unit 10 can be utilized in the PLC programming tulle (30). PLC programming language conversion section 20 for generating a dedicated program.

The process sequence simulation execution unit 10 is created using a tool of a different method from the PLC programming tool 30, and its purpose or purpose does not generate a program to be applied to the PLC, but according to a three-dimensional modeling according to a schedule. For driving simulation (ie logistics simulation). Therefore, the process sequence simulation execution unit 10 checks whether the factory automation facility to be configured using the PLC will be normally implemented, and the physical drive information, timing information, and sequences of the processes related to the actual drive. Information is integrated to generate SOPs according to process sequences into digital information (files) according to a given format.

3 is a view illustrating three-dimensional modeling contents of a factory automation facility created through the logistics simulation, and process sequence contents in which operation schedules, timings, and operating conditions for operating them are set, and modeling the factory automation facility according to actual dimensions. Then, by changing the process sequence and correcting by adjusting the equipment, the various errors generated while operating the equipment according to the designed sequence, it is possible to obtain the SOP according to the process sequence as shown in FIG.

4 is a visual representation of the information of the SOP prepared according to the process sequence. This can be output in the form of a separate digital file, based on this it is possible to manually create a PLC program using the PLC programming tool (30).

However, in the embodiment of the present invention shown in FIG. 2, the PLC programming tool 30 is automatically read by reading an SOP file according to the process sequence and providing settings for each hardware that will constitute an actual factory automation facility. By providing a PLC program language converter 20 for generating a PLC program that can be used in the above, it is possible to at least partially replace such manual PLC program creation. That is, using a separate independent means (configuration such as independent hardware, independent software, third party, add-on or plug-in program, etc.) called PLC programming language conversion unit 20) By using the SOP according to the process sequence provided by the process sequence simulation execution unit 10 as directly available information, and further utilizing the setting information about the hardware to be applied to each process among the various hardware to the process sequence Automatically convert SOP according to PLC program that can be written only if there is a setting for specific hardware.

FIG. 5 illustrates an example of a PLC program generated by the PLC program language converter 20 of FIG. 2, which is written in a PLC program language that can be directly used in the PLC programming tool 30. Ladder diagram) method is used. Each illustrated block is a symbol corresponding to a process, and different symbols are used even if they are the same process according to a specific hardware configuration.

6 is a block diagram showing the configuration of the PLC programming language conversion unit 20 according to an embodiment of the present invention. As shown in FIG. 6, an SOP according to a process sequence is received and types of processes included in the process sequence SOP, respectively. Analyzes information about process sequences, including process execution time, sequence, process start and end conditions, and PLC programming information of SOPs according to the process sequence using configuration information on the hardware to perform each process. A process sequence SOP analyzer 21 for providing a PLC program converted into a language usable in the tool, a corresponding symbol database 23 for storing symbols corresponding to various processes available in the PLC programming tool, and the process sequence The process sequence SOP analyzer 21 obtains a symbol corresponding to the processes provided by the SOP analyzer 21 from the corresponding symbol database 23. The process counterpart 22 provided, the output unit 25 for storing the PLC program provided by the process sequence SOP analyzer 21 in the form of a file, and the process sequence SOP analyzer 21 for each process. And a setting unit 24 for providing a hardware setting value and a name of a file to be stored in the output unit 25.

In general, when a PLC program is written through a PLC programming tool based on an SOP according to a process sequence, the PLC programming tool cannot directly use the SOP information according to the process sequence due to a myriad of hardware variability. In other words, any process defined in the process sequence actually varies slightly depending on the hardware to be used when the factory automation facility is built, and this hardware depends on the manufacturer of the hardware mainly used by the company that will implement the factory automation facility. Even if the elements perform the same function, their characteristics are often different, and thus they cannot be collectively applied. This is because even if the same equipment is constructed based on the same method, each manufacturer of the equipment parts has different characteristics for each production year of the equipment parts. Therefore, when the PLC programming is to be performed, hardware is first determined and the characteristics are first determined. Consideration must be given to PLC programming. Therefore, the SOP in the process sequence obtained by the logistics simulation focusing on the physical driving part and the temporal flow part according to the method only provides the overall composition and flow such as the rough process type and the timing of operation, and the specific hardware It is not directly used for PLC programming that needs to be written according to the above flow depending on the property.

For example, in a SOP according to a process sequence, assuming that a part of sensing a target object is entered in a predetermined process, a corresponding sensing timing, another process type operating according to the sensing result, an operating timing of the corresponding process, and the like. Although information is defined, in actuality, when PLC programming, it is necessary to set specific sensing logic and how many contact points should be used, and based on the hardware configuration, After determining the process symbols for each language, programming such as operation timing, start time, end time, connection of subsequent processes by sensing, and the like are performed.

Therefore, in order to generate a PLC program applicable to the PLC programming tool using the SOP according to the process sequence, the setting of the hardware to be used is necessary. In general, such hardware configuration basically includes a display unit, an output unit, an input unit, and a sensing unit.

The setting of the hardware is provided by the user through the setting unit 24, and the hardware is configured through a specific user interface such as directly inputting hardware setting for a process or designating a desired hardware setting among preset lists. The setting can be obtained.

The corresponding symbol database 23 stores symbols corresponding to a process included in the process sequence SOP, which may be configured with a different symbol database according to the type of PLC programming tool and the programming language used, and a plurality of different PLCs. Symbol databases according to programming languages or tools may be configured, and one of a plurality of symbol databases may be selected according to a user's selection through the setting unit 24.

In general, since the PLC programming tool is PLC-dependent, various types are provided according to PLC manufacturers. Representatively, companies such as AB (Allen-Bradley), Siemens, LS Industrial Systems, Mitsubishi, Samsung Electronics, Rockwell Automation, Asia Brown Bobery, Omron, etc. can produce PLC and corresponding PLC programs. PLC programming tools are available on the market. Each of these PLC programming tools supports different programming languages, but increasingly supports the languages defined in IEC1131-3 or later IEC1131-5, and at least LD (Ladder diagram) in common. More specifically, since each PLC programming tool provides a means (import means) for converting a PLC program written in LD into a native format used by the LD, a PLC program using LD can be applied to most PLC programming tools. . Of course, even if a different type of language is used, it can be applied to a PLC programming tool that supports the standard PLC language, so that any standard PLC language can be selected. The database 23 may be constructed, and the PLC program generation portion of the process sequence SOP analyzer 21 may be implemented.

For example, in the case of using the LD, the symbols usable in the LD are constructed as the corresponding symbol database 23, and the setting unit 24 sets the hardware according to the process included in the process sequence SOP. The list of symbols stored in the symbol database 23 for each category (eg, display unit, input unit, output unit, sensing unit, etc.) is provided to select the one closest to the desired hardware setting. Of course, it is also possible to directly input the hardware configuration content according to a specific rule, but it is preferable to select one of the symbols included in the symbol database 23 for effective conversion. For example, if you select a sensing logic that has a specific product and two contacts, you can select the exact target that has the product and two contacts among the sensing logic symbols stored in the symbol database, or if there is no identical product, the symbol with the closest characteristic Can be selected. The set contents are provided to the process sequence SOP analysis unit 21 as hardware setting information, and the process correspondence unit 22 corresponds to a symbol according to the hardware setting information for each process of the process sequence SOP analysis unit 21. Obtained from the symbol database 23 and provided to the process sequence SOP analysis section 21. Of course, this process may be replaced by only the process of selecting a symbol for each process through the setting unit 24.

The process sequence SOP analyzer 21 appropriately arranges the obtained process-specific symbols by using information on operation time, stop time, operation timing, operation conditions, process sequence, etc. of each process included in the SOP, and A PLC program using LD is created by setting mutual relations and operation information. In this case, the SOP may be composed of a plurality of hierarchies (layered structure of multiple controllers) according to the size of the automation equipment, and may generate a PLC program for the entire process based on all the contents of the SOP, but only for the top layer It is also possible to create a PLC program (ie only for the operation of the main controller part of the PLC). Even though the PLC program for the top layer is written like this, since the basic skeleton is completed in terms of actual PLC programming, PLC programming time is greatly reduced and errors are reduced.

FIG. 7 is a flowchart illustrating an operation process according to an embodiment of the present invention. Referring to the configuration of FIG. 6, a process of converting (or generating) an SOP according to a process sequence into a PLC program that can be directly used in a PLC programming tool is described. Explain.

First, after deciding the site to be equipped with the automation equipment and the contents of the automation equipment, a process flow chart is drawn up and a construction method plan based on this is established. Once the process flow chart and method plan are established, it is provided to the company or team that performs the logistics simulation to simulate the three-dimensional modeling of the facility and the operation according to the order and method plan. Generate as digital data.

When providing the SOP defined in the generated process sequence to a company to perform PLC programming or a company to perform PLC programming provided with only SOP, the SOP may be converted into a PLC program using a PLC programming language converter 20. Can be converted and applied directly to the PLC programming tool. The PLC programming language converting unit 20 may be application software operated in a personal computer (PC) or a network server, and may include separate independent hardware or partial hardware configuration.

To this end, the company that will perform the PLC programming (that is, the company that will actually build the automation facility) determines the parameters for the hardware to use while building the automation facility, and operates the PLC programming language conversion unit 20 to operate the method. The SOP is defined in sequence, and a parameter value for hardware applied to the processes included in the SOP is input through the setting unit 24. The method of setting parameter values for the hardware is possible through various user interfaces as described above, and preferably, a method of selecting a symbol corresponding to desired hardware from the corresponding symbol database 23 may be used. In addition, when the PLC programming language converter 20 is configured to support a plurality of PLC programming languages, the setting unit 24 obtains information for selecting a PLC programming language, and accordingly the corresponding symbol database 23. In FIG. 2, the type of the corresponding symbol database may be determined, and the PLC programming language used by the process sequence SOP analyzer 21 may be determined.

Subsequently, the process sequence SOP analyzer 21 acquires symbols corresponding to the processes from the corresponding symbol database 23 according to the obtained hardware setting, and operates, stops, and processes for each process included in the SOP. By using the information on the operation timing, the operation conditions, the process sequence, and the like, the obtained symbols for each process are appropriately arranged, and the correlation and the operation information are set to create a PLC program using the LD. If this PLC program is saved as a file with a proper name, it can be imported or read directly from the PLC programming tool.

The above-described method may be directly configured by hardware or software, but may be program code executed by using a device such as a computer, and thus may have a form of a computer-readable recording medium containing such program code. Such recording media includes all types of recording media on which programs and data are stored so that they can be read by a computer system. Examples include Read Only Memory (ROM), Random Access Memory (RAM), Compact Disk (CD), Digital Video Disk (DVD) -ROM, magnetic tape, floppy disks, optical data storage devices, and the like. It also includes implementations in the form of (eg, transmission over the Internet). In addition, these recording media can be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.

As described above, the process sequence converting apparatus and method according to the embodiment of the present invention converts the process sequence information into a PLC programming language using process sequence information obtained through logistics process modeling simulation and hardware information selected by a user. By converting the program into a written program, the process sequence information is directly used as information that can be used in a PLC programming tool, thereby greatly reducing the PLC programming time and reducing the possibility of error.

In addition, the process sequence converting apparatus and method according to an embodiment of the present invention obtains the type of process included in the process sequence information obtained through the logistics process modeling simulation, the operation period and the sequence and the sequence of the process, After acquiring the characteristic parameters of the hardware to be applied and the information of the PLC programming tool to be used, a symbol suitable for the process is obtained from a symbol database suitable for the PLC programming tool, and the sequence between each symbol is an operation period and sequence and sequence of the process. By generating the PLC program created by the ladder diagram (LD) suitable for the corresponding PLC programming tool, the generated PLC program can be applied to the PLC programming tool corresponding to various PLCs. To automatically generate A.

In addition, the apparatus and method for converting a process sequence according to an embodiment of the present invention selectively acquires information on a process to be controlled by a main controller of the PLC from the process sequence information obtained through the logistics process modeling simulation, and converts them to a ladder diagram in a PLC programming language. By converting, it is possible to automatically construct a skeleton of a process sequence usable at least in the PLC programming tool, thereby significantly reducing the PLC programming time.

Claims (18)

A corresponding symbol database storing a list of symbols for a PLC programming tool corresponding to the processes; In order to receive a hardware setting from the user, a list of symbols stored in the corresponding symbol database is provided for each category, and if the user designates a symbol corresponding to a hardware setting to be used from the list for each category, the setting for the corresponding symbol A setting unit which receives a hardware setting for the processes by providing a user interface for acquiring a hardware setting; Hardware process obtained through the setting unit and the process sequence information obtained through the logistic process modeling simulation that provides the SOP (Sequence of Operation) defined on the process sequence and verifies the physical function according to the process design is input to each process And a process sequence converting unit for generating and outputting a PLC program for the symbol based on the corresponding symbol obtained from the corresponding symbol database and the sequence of each process according to the type and hardware setting. The apparatus of claim 1, wherein the process sequence converting unit uses a ladder diagram as a PLC programming language for the symbol, and the corresponding symbol database includes a symbol list applied to the ladder diagram. The process sequence converting apparatus of claim 1, wherein the process sequence information includes at least a kind of a process, an execution time and sequence of each process, and information about a process sequence including start and end conditions of each process. . The PLC program of claim 1, wherein the process sequence converting unit receives the process sequence information and generates only a part of the operation of the main controller of the PLC based on only the content of the highest layer in the entire process sequence information configured hierarchically. Process sequence conversion apparatus, characterized in that. The apparatus of claim 1, wherein the PLC programming tool supports a programming language defined in IEC1131-3 or IEC1131-5 including at least a ladder diagram. The PLC programming tool of claim 1, wherein the PLC programming tool includes at least one of AB (Allen-Bradley), Siemens, LS Industrial Systems, Mitsubishi, Samsung Electronics, Rockwell Automation, Acea Brown Boberry, and Omron. Process sequence converter, characterized in that the company's PLC programming tool products. The process as claimed in claim 1, wherein the setting unit comprises a means for receiving a hardware setting including the type of the actual hardware including the actual display unit, the output unit, the input unit, and the sensing unit and the number of contacts required for the process. Sequence converter. The apparatus of claim 1, wherein the setting unit further comprises means for receiving a selection of a type of a PLC programming tool. delete An input unit configured to receive process sequence information acquired through a logistics process modeling simulation; An actual display unit actually required to perform a process included in the process sequence information after obtaining a sequence including a type of a process included in the process sequence information, an execution time and sequence of each process, and a start and end condition of each process; Receiving a hardware setting through the setting means, including setting means for providing the type of hardware and the number of contacts including an output unit, an input unit, a sensing unit, a predetermined PLC program tool based on the process sequence information and hardware setting A process sequence converter configured to generate a PLC program corresponding to the process sequence using a PLC programming language supported by the MS; And an output unit for outputting the PLC program generated by the process sequence converter as digital information. delete A logistics simulation step of modeling the process equipment according to the process layout and obtaining final process sequence information by simulating and modifying the modeled process equipment according to the process order; A symbol for setting hardware to perform processes included in the process sequence information obtained in the logistics simulation step, and determining a symbol from a symbol database corresponding to the PLC program language determined at the time of hardware setting among symbol databases for a plurality of PLC program languages; Determining step; And a PLC program generation step of generating a PLC program using the symbol determined using the PLC program language determined at the time of hardware setting and the process sequence information in the symbol determination step. The method of claim 12, wherein the process sequence information obtained in the logistics simulation step is an SOP defined on a process sequence, and the process sequence information includes at least a kind of a process, an execution time and sequence of each process, and start and end conditions of each process. Process sequence conversion method comprising the information on the process sequence comprising. delete The method of claim 12, wherein the symbol determined in the symbol determination step is for a ladder diagram, and the PLC program language used for generating the PLC program in the PLC program generation step is a ladder diagram. . The method of claim 12, wherein the generating of the PLC program comprises a sequence including a type of a process included in the process sequence information and symbols corresponding thereto, an execution time and sequence of each process, and a start and end condition of each process. And generating a PLC program corresponding to the process sequence using a PLC programming language supported by a predetermined PLC program tool based on the identification. The process sequence of claim 12, wherein the generating of the PLC program comprises generating only a portion of the operation of the main control part of the PLC as a PLC program based on only the content of the highest layer in the process sequence information hierarchically configured. Transformation method. A computer-readable recording medium containing a program capable of performing the process sequence conversion method according to any one of claims 12, 13, and 15 to 17.

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