WO2018037513A1 - Automate programmable - Google Patents

Automate programmable Download PDF

Info

Publication number
WO2018037513A1
WO2018037513A1 PCT/JP2016/074711 JP2016074711W WO2018037513A1 WO 2018037513 A1 WO2018037513 A1 WO 2018037513A1 JP 2016074711 W JP2016074711 W JP 2016074711W WO 2018037513 A1 WO2018037513 A1 WO 2018037513A1
Authority
WO
WIPO (PCT)
Prior art keywords
comment
command
plc
history information
information
Prior art date
Application number
PCT/JP2016/074711
Other languages
English (en)
Japanese (ja)
Inventor
啓文 甲斐
拓也 河合
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2017512057A priority Critical patent/JP6207799B1/ja
Priority to CN201680088579.9A priority patent/CN109643091B/zh
Priority to PCT/JP2016/074711 priority patent/WO2018037513A1/fr
Publication of WO2018037513A1 publication Critical patent/WO2018037513A1/fr

Links

Images

Classifications

    • 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

Definitions

  • the present invention relates to a programmable logic controller that controls equipment in the FA (Factory Automation) field.
  • FIG. 1 Facilities in the FA field are generally realized by combining multiple devices.
  • a plurality of devices constituting equipment in the FA field are controlled by a programmable logic controller that integrates control processing and information processing (see Patent Document 1 and Patent Document 2).
  • the programmable logic controller shown in Patent Document 1 stores the change of the control program for controlling the device as history information
  • the programmable logic controller shown in Patent Document 2 stores the operation timing of the device as history information. Yes.
  • the programmable logic controllers shown in Patent Literature 1 and Patent Literature 2 store history information, thereby facilitating investigation of the cause when a problem occurs in equipment in the FA field.
  • Patent Document 1 and Patent Document 2 since the programmable logic controller shown in Patent Document 1 and Patent Document 2 only stores the change of the control program or the operation timing of the device as history information, the cause when a problem occurs in the facility in the FA field. There was a problem that it was difficult to investigate.
  • the present invention has been made in view of the above, and an object thereof is to obtain a programmable logic controller capable of easily investigating the cause when a problem occurs in equipment in the FA field.
  • the present invention provides a storage unit that stores a control program, and at least a part of a command other than a change in the control program that accepts a command and receives the command. And a control unit that acquires a comment associated with the command.
  • the programmable logic controller includes a history storage unit that stores history information in which at least some commands are associated with acquired comments.
  • the programmable logic controller according to the present invention has an effect that it is easy to investigate the cause when a problem occurs in the facility in the FA field.
  • FIG. Functional block diagram of the programmable logic controller according to the first embodiment The figure which shows the hardware constitutions of the programmable logic controller which concerns on Embodiment 1.
  • history information created by the flowchart shown in FIG. The figure which shows the other example of the comment setting screen displayed on the display apparatus of a computer, when adding a comment to the log
  • FIG. 1 is a diagram illustrating a configuration of a control system including a programmable logic controller according to the first embodiment.
  • FIG. 2 is a diagram illustrating an example of comment necessity information stored by the programmable logic controller illustrated in FIG.
  • FIG. 3 is a diagram illustrating an example of history information stored in the programmable logic controller illustrated in FIG. 1.
  • the control system 1 constitutes equipment in the FA (Factory Automation) field, and as shown in FIG. 1, a plurality of devices 2, 3, 4 installed in the facility and a plurality of devices 2, 3, 4 Programmable Logic Controllers (hereinafter referred to as PLC) 5, a computer 6 connected to PLC 5, and an HMI (Human Machine Interface) 7 connected to PLC 5.
  • PLC Programmable Logic Controller
  • the devices 2, 3, and 4 are sensors or driving devices. Examples of the sensor include a sensor that detects a flow rate, pressure, concentration, or temperature installed in the facility.
  • the drive device include a drive device that performs an operation that is a switch, an adjustment valve, a solenoid valve, a motor, or a pump installed in the facility.
  • control system 1 includes a network N that connects the devices 2, 3, 4, the PLC 5, the computer 6, and the HMI 7 so that they can communicate with each other.
  • the network N is a computer network that connects the computer 6, the PLC 5, and the HMI 7 so that they can communicate with each other.
  • the network N is a LAN (Local Area Network) installed in the FA facility, but the network N is not limited to the LAN.
  • the computer 6 creates a control program CP to be executed by the PLC 5 and transmits it to the PLC 5.
  • the PLC 5 controls the devices 2, 3, and 4 by executing the control program CP.
  • the PLC 5 is defined by JIS (Japanese Industrial Standards) B 3502: 2011.
  • the HMI 7 is used for a user to input various commands to the PLC 5.
  • the HMI 7 is a touch panel type terminal device in Embodiment 1, but the HMI 7 is not limited to a touch panel type terminal device.
  • the PLC 5 includes a memory 51 for storing information, a power switch 52 for turning on / off the power of the PLC 5, a reset switch 53 for resetting the PLC 5 itself, an external storage medium storage device 54, and an eject switch 55.
  • the external storage medium storage device 54 is detachable from the external storage medium, and stores the parameters acquired during execution of the control program CP in the external storage medium in the first embodiment.
  • the information stored in the external storage medium is not limited to the parameters acquired during the execution of the control program CP.
  • the external storage medium storage device 54 is detached from the external storage medium when the user operates the eject switch 55.
  • the external storage medium is composed of an SD memory card (Secure Digital memory card) or an SRAM (Static Random Access Memory) cassette, but is not limited to an SD memory card or an SRAM cassette. , An optical disk, or a magneto-optical disk.
  • the eject switch 55 is operated when the external storage medium is removed from the PLC 5.
  • the power switch 52, the reset switch 53, and the eject switch 55 are switches of the PLC 5, and are physical switches that are directly operated by the user.
  • the PLC 5 accepts various commands transmitted by the switches 52, 53, 55, the computer 6 or the HMI 7 during the execution of the control program CP.
  • the commands received by the PLC 5 are a program change command for changing at least a part of the control program CP, “power on” that is an operation for the power switch 52, “power off” that is an operation for the power switch 52, and a command for the reset switch 53
  • the operation includes “manual reset” which is an operation and “eject” which is an operation on the eject switch 55.
  • the commands received by the PLC 5 are “cable attachment” indicating that the cable used for the network N is attached to the PLC 5, “cable removal” indicating that the cable used for the network N is removed from the PLC 5, the computer 6 or the HMI 7 "Remote reset” to reset the operation of the PLC 5 by the operation from the “Remote stop” to stop the execution of the control program CP of the PLC 5 by the operation from the computer 6 or HMI 7, and control to the PLC 5 by the operation from the computer 6 or the HMI 7 It includes a “remote run” that causes the program CP to be executed.
  • the command received by the PLC 5 is “a command for changing a value stored in the storage area of the memory 51” by an operation from the computer 6, and “a value stored in the storage area of the memory 51 is read by an operation from the computer 6. And a “command for writing a value to the storage area of the memory 51” by an operation from the computer 6.
  • the commands received by the PLC 5 are “commands for reading various files stored in the memory 51” by operations from the computer 6 and “commands for writing various files to the memory 51” by operations from the computer 6.
  • the various files are a setting file that defines information for executing the control program CP, or a logging file that stores parameters acquired during the execution of the control program CP. It is not limited.
  • the commands other than the change of the control program CP include “power on” that is an operation for the power switch 52, “power off” that is an operation for the power switch 52, “manual reset” that is an operation for the reset switch 53, and eject “Eject” which is an operation for the switch 55 is included.
  • the computer 6 creates comment necessity information AI shown as an example in FIG. 2 and transmits it to the PLC 5. That is, the comment necessity information AI can be set by the computer 6.
  • the comment necessity information AI is set in advance with a command that needs to be associated with a comment.
  • the comment necessity information AI associates a command and a comment on a one-to-one basis.
  • the comment necessity information AI shown in FIG. 2 includes “power on” that is an operation on the power switch 52 among commands other than the control program CP change, and “person in charge: Yamada for device test. Is associated with the comment.
  • FIG. 2 shows “power on” and “device M0 change” as commands other than the control program CP change.
  • the commands other than the control program CP change are “power on” and It is not limited to “change device M0”. That is, according to the present invention, commands other than the change of the control program CP set in the comment necessity information AI are set to “power off”, “manual reset”, “eject”, “cable attachment”, “cable removal”, “ “Remote reset”, “remote stop”, “remote run”, “command for reading the value stored in the storage area of the memory 51”, “command for writing the value stored in the storage area of the memory 51”, A “command for reading various files stored in the memory 51” or a “command for writing various files in the memory 51” may be used.
  • PLC 5 When PLC 5 receives a command set in comment necessity information AI during execution of control program CP, PLC 5 associates the comment associated with the command received in comment necessity information AI with the received command.
  • FIG. 4 is a diagram illustrating a hardware configuration of a computer of the control system according to the first embodiment.
  • the computer 6 according to the first embodiment executes a computer program, and as shown in FIG. 4, a CPU (Central Processing Unit) 61, a RAM (Random Access Memory) 62, and a ROM (Read Only Memory). ) 63, a storage device 64, an input device 65, a display device 66, and a communication interface 67.
  • the CPU 61, RAM 62, ROM 63, storage device 64, input device 65, display device 66, and communication interface 67 are connected to each other via the bus B6.
  • the CPU 61 executes programs stored in the ROM 63 and the storage device 64 while using the RAM 62 as a work area.
  • the program stored in the ROM 63 is BIOS (Basic Input / Output System) or UEFI (Unified Extensible Firmware Interface), but the program stored in the ROM 63 is not limited to BIOS or UEFI.
  • the program stored in the storage device 64 is an operating system program and a programming tool program.
  • the program stored in the storage device 64 is not limited to the operating system program and the programming tool program.
  • the storage device 64 is an SSD (Solid State Drive) or an HDD (Hard Disk Drive), but the storage device 64 is not limited to an SSD or an HDD.
  • the input device 65 receives an operation input from the user.
  • the input device 65 is a keyboard or a mouse, but is not limited to a keyboard or a mouse.
  • the display device 66 displays characters and images.
  • the communication interface 67 communicates with the PLC 5 via the network N.
  • FIG. 5 is a diagram illustrating a hardware configuration of the HMI of the control system according to the first embodiment.
  • the HMI 7 according to the first embodiment includes a CPU 71, a RAM 72, a ROM 73, a storage device 74, an input device 75, a display device 76, and a communication interface 77.
  • the CPU 71, RAM 72, ROM 73, storage device 74, input device 75, display device 76, and communication interface 77 are connected via a bus B7.
  • the display device 76 includes a liquid crystal display (LCD: Liquid Crystal Display), an organic EL display (OELD: Organic Electro-Luminescence Display), or an inorganic EL display (IELD: Inorganic Electro-Luminescence Display).
  • LCD Liquid Crystal Display
  • OELD Organic Electro-Luminescence Display
  • IELD Inorganic Electro-Luminescence Display
  • the input device 75 receives an operation input from the user.
  • the input device 75 is a touch screen superimposed on the display device 76.
  • the input device 75 detects contact or proximity of a finger, pen, or stylus pen.
  • the input device 75 detects a position on the input device 75 when a finger, a pen, or a stylus pen touches or approaches.
  • a plurality of fingers, pens, and stylus pens detected by the input device 75 may be collectively referred to as “finger”.
  • a position where the finger detected by the input device 75 is in contact with or close to the finger may be referred to as a “detected position”.
  • the input device 75 transmits the finger contact together with the detection position to the CPU 71.
  • the input device 75 includes a touch screen that employs a capacitance method, a resistive film method, a surface acoustic wave method, an ultrasonic method, an infrared method, an electromagnetic induction method, or a load detection method as a detection method.
  • the communication interface 77 communicates with the PLC 5 via the network N.
  • the CPU 71 executes a program stored in the ROM 73 while using the RAM 72 as a work area.
  • the program stored in the ROM 73 is realized by software, firmware, or a combination of software and firmware.
  • the CPU 71 detects the finger contact detected by the input device 75, the detection position where the contact is detected, the change in the detection position where the contact is detected, the interval at which the finger contact is detected, and the number of times the finger contact is detected.
  • the type of gesture is determined based on at least one of the following.
  • a gesture is an operation performed on the input device 75 using a finger.
  • the gestures that the CPU 71 determines via the input device 75 include, but are not limited to, touch, long touch, release, swipe, tap, double tap, long tap, drag, flick, pinch in, and pinch out.
  • the storage device 74 has an area for storing information that can be read by a computer.
  • the storage device 74 is configured by a nonvolatile semiconductor memory or a volatile semiconductor memory.
  • a nonvolatile semiconductor memory or a volatile semiconductor memory a RAM, a ROM, a flash memory, an EPROM, or an EEPROM can be used.
  • the storage device 74 may be configured by at least one of a magnetic disk, an optical disk, and a magneto-optical disk.
  • FIG. 6 is a functional block diagram of the programmable logic controller according to the first embodiment.
  • the PLC 5 is a unit that executes the control program CP, acquires and stores information on the devices 2, 3, and 4, and controls the operation of the devices 2, 3, and 4.
  • the PLC 5 is a unit that receives a command during execution of the control program CP, and stores history information HI in which a command received according to the comment necessity information AI is associated with a comment.
  • the PLC 5 stores a storage unit 56 that stores the control program CP and comment necessity information AI.
  • the PLC 5 includes a history storage unit 58 that stores history information HI, a control unit 59 that is connected to the computer 6 and the HMI 7 and receives commands, a monitoring unit 81 that monitors the history information HI stored in the history storage unit 58, A notification unit 82 connected to the monitoring unit 81.
  • Operation units operated by the user of the power switch 52, the reset switch 53, and the eject switch 55 are exposed to the outside of the PLC 5.
  • the power switch 52, the reset switch 53, and the eject switch 55 are push button switches that can push the operation unit, but are not limited to push button switches.
  • a control program CP created using the computer 6 is written through the control unit 59, and a part of the control program CP is executed by the computer 6 through the control unit 59 during execution of the control program CP. Is changed.
  • comment necessity storage unit 57 comment necessity information AI created using the computer 6 is written via the control unit 59.
  • the control unit 59 executes the control program CP to control the devices 2, 3, and 4.
  • the control unit 59 receives a command during execution of the control program CP.
  • the control unit 59 associates the command with a comment that is set to need to be associated with the comment necessity information AI.
  • the comment is acquired from the comment necessity information AI.
  • the control unit 59 stores, in the history storage unit 58, history information HI in which a command set to be associated with a comment by the comment necessity information AI and a comment acquired from the comment necessity information AI are associated with each other.
  • the control unit 59 acquires, from the comment necessity information AI, a comment associated with a command that is set to require that a comment is associated with the comment necessity information AI.
  • a comment associated with at least a part of commands other than the CP change is acquired.
  • the command that is set to be associated with the comment is a command set in the comment necessity information AI.
  • the commands that are set to be required to be associated with a comment are a command that is associated with a comment in the comment necessity information AI, and a command that has a comment that is associated with the comment necessity information AI is “not set”. Both.
  • the history storage unit 58 stores history information HI in which a command set to be required to be associated with a comment by the comment necessity information AI and a comment acquired from the comment necessity information AI are associated with each other.
  • the history storage unit 58 stores the history information HI in which the command set to be required to be associated with the comment by the comment necessity information AI and the comment acquired from the comment necessity information AI are associated with each other.
  • the history information HI in which at least a part of commands other than the change of the control program CP among the commands received by the control unit 59 is associated with the comments acquired by the control unit 59 is stored.
  • the monitoring unit 81 determines whether or not there is a command in the history information HI in which a comment is set to be associated with the comment necessity information AI and the comment is not supported during execution of the control program CP of the control unit 59. The determination is made every predetermined time set in advance. That is, the monitoring unit 81 determines whether a command that is set in the comment necessity information AI and is not associated with a comment exists in the history information HI while the control program CP of the control unit 59 is being executed. The determination is made every predetermined time.
  • the notification unit 82 notifies the user that a command not attached is present in the history information HI.
  • the notification unit 82 is set so that a comment is associated with the history information HI stored in the history storage unit 58 by the comment necessity information AI during execution of the control program CP of the control unit 59 and the comment is not supported. Notify the user that the command exists.
  • the notification unit 82 notifies the user by emitting or blinking yellow or red light, but the notification method of the notification unit 82 is not limited to this.
  • FIG. 7 is a diagram illustrating a hardware configuration of the programmable logic controller according to the first embodiment.
  • the PLC 5 includes a CPU unit 5A that processes and executes the control program CP, and an I / O (Input / Output) unit 5B connected to the devices 2, 3, and 4.
  • I / O Input / Output
  • three I / O units 5B are provided and connected to one of the devices 2, 3, and 4, respectively.
  • the I / O unit 5B includes at least a circuit board 5B1 and a CPU (not shown) that is mounted on the circuit board 5B1 and stores and executes a computer program.
  • the CPU unit 5A includes a circuit board 5A1, a CPU 5A2 that is mounted on the circuit board 5A1 and executes the control program CP, and a memory 51 that is connected to the CPU 5A2 via the internal bus B1.
  • the CPU unit 5A includes a communication interface 5A4 for communicating with the computer 6, a bus interface 5A5 connected to the I / O unit 5B, a control program CP, a computer program for calculating history information HI, and a computer program for monitoring the history information HI.
  • the CPU 5A2, memory 51, communication interface 5A4, bus interface 5A5, storage device 5A6, LED 5A7, power switch 52, reset switch 53, eject switch 55, and external storage medium storage device 54 are connected via the internal bus B1. ing.
  • the bus interface 5A5 is a bus bridge circuit that connects the internal bus B1 and the expansion bus B2.
  • the bus interface 5A5 is connected to the I / O unit 5B via the expansion bus B2.
  • the storage device 5A6 is an SSD or an HDD, but is not limited to an SSD or an HDD.
  • control unit 59 and the monitoring unit 81 that is, the function of the PLC 5, read and execute the control program CP stored in the storage device 5A6, the computer program for calculating the history information HI, and the computer program for monitoring the history information HI. It is realized by doing.
  • the control program CP, the computer program for calculating the history information HI, and the computer program for monitoring the history information HI are realized by software, firmware, or a combination of software and firmware.
  • the functions of the storage unit 56, the comment necessity storage unit 57, and the history storage unit 58 are realized by the storage device 5A6.
  • the function of the notification unit 82 is realized by the LED 5A7.
  • the LED 5A7 is turned on or blinked when notifying the user by the CPU 5A2 and is turned off when not informing the user.
  • the memory 51 is configured by a nonvolatile semiconductor memory or a volatile semiconductor memory.
  • RAM, ROM, flash memory, EPROM (Erasable Programmable Read Only Memory), or EEPROM (Electrically Erasable Programmable Read Only Memory) can be used.
  • the memory 51 may be composed of at least one of a magnetic disk, an optical disk, and a magneto-optical disk.
  • FIG. 8 is a flowchart illustrating an example of an operation for creating history information of the programmable logic controller according to the first embodiment.
  • FIG. 9 is a diagram showing an example of history information created by the flowchart shown in FIG.
  • FIG. 10 is a flowchart illustrating an example of an operation of monitoring history information of the programmable logic controller according to the first embodiment.
  • FIG. 11 is a diagram showing an example of a comment setting screen displayed on the display device of the computer when a comment is added to the history information shown in FIG.
  • FIG. 12 is a diagram illustrating an example of a state in which a comment is added to the history information illustrated in FIG. 9.
  • the PLC 5 stores the comment necessity information AI in the comment necessity storage unit 57 before executing the control program CP.
  • the PLC 5 stores the comment necessity information AI shown in FIG.
  • the PLC 5 controls the devices 2, 3, and 4 by executing the control program CP.
  • the PLC 5 receives a command during the execution of the control program CP, the PLC 5 executes the flowchart shown in FIG.
  • the PLC 5 accepts a command when executing the flowchart shown in FIG. 8 (step ST1).
  • the PLC 5 refers to the comment necessity information AI stored in the comment necessity storage unit 57 (step ST2).
  • the PLC 5 determines whether the received command is set in the comment necessity information AI, that is, whether it is necessary to associate a comment with the received command (step ST3). If the PLC 5 determines that it is not necessary to associate a comment with the received command (step ST3: No), the flowchart shown in FIG.
  • the PLC 5 acquires a comment associated with the received command from the comment necessity information AI, and acquires the received command and acquisition.
  • the history information HI-1A shown in FIG. 9 in which the comment is associated with the date and time when the command is received is stored (step ST4), and the flowchart shown in FIG. 8 is ended.
  • the PLC 5 executes the flowchart shown in FIG. 8 to create the history information HI-1A shown in FIG.
  • the history information HI-1A shown in FIG. 9 stores commands in the order received.
  • the history information HI-1A illustrated in FIG. 9 associates a comment with each of the command “power on”, the command “power on”, and the command “change device M0”.
  • the comment associated with the command “write during RUN” of the comment necessity information AI shown in FIG. 2 is “not set”, the history information HI-1A shown in FIG. No comment is associated with “writing during RUN”.
  • the PLC 5 executes the flowchart shown in FIG. 10 every predetermined time during the execution of the control program CP.
  • PLC5 performs the flowchart shown in FIG. 10 independently of the flowchart shown in FIG.
  • the PLC 5 executes the flowchart shown in FIG. 10 first, the history information HI stored in the history storage unit 58 is referred to, and whether or not there is a command with no comment associated with the history information HI. Determine.
  • the PLC 5 acquires a command with no comment associated with the history information HI (step ST11).
  • step ST11 the PLC 5 ends the flowchart shown in FIG. 10 when there is no command that is not associated with the history information HI.
  • the PLC 5 refers to the comment necessity information AI in the comment necessity storage unit 57 (step ST12).
  • the PLC 5 determines whether or not a command not associated with the comment acquired in step ST11 is set in the comment necessity information AI (step ST13).
  • the PLC 5 determines that the command not associated with the comment acquired in step ST11 is set in the comment necessity information AI (step ST13: Yes)
  • the PLC 5 notifies the notification unit 82 (step ST14). Then, the flowchart shown in FIG.
  • the PLC 5 determines that the command not associated with the comment acquired in step ST11 is not set in the comment necessity information AI (step ST13: No)
  • the flowchart shown in FIG. 10 ends.
  • the history information HI-1A shown in FIG. 9 does not associate a comment with the command “write during RUN”.
  • the PLC 5 obtains a command “write during RUN” not associated with a comment from the history information HI-1A.
  • the comment necessity information AI shown in FIG. 2 sets the command “write during RUN”.
  • the PLC 5 causes the notification unit 82 to notify in step ST14.
  • the comment setting screen 100 determines a command information display area 101 for displaying information of a command not associated with a comment, a comment input area 102 for inputting a comment, and a comment input to the comment input area 102 And an area 103.
  • the user operates the input device 65 to input a comment in the comment input area 102 of the comment setting screen 100 shown in FIG.
  • the history information HI-1A as shown in FIG. 12, a comment is added to a command not associated with a comment.
  • the command information display area 101 of the comment setting screen 100 shown in FIG. 11 displays information of the command “write during RUN”.
  • the user inputs “person in charge: Yamada change contents Y” as a comment in the comment input area 102 of the comment setting screen 100 shown in FIG.
  • the comment “person in charge: Yamada change Y” is added to the command “write in RUN”.
  • the PLC 5 stores the history information HI-1A shown in FIG. 12, so that the control unit 59 accepts the program change command, and the history storage unit 58 accepts the program change received by the control unit 59. History information HI-1A in which commands and comments are associated is stored.
  • FIG. 13 is a diagram illustrating another example of comment necessity information of the programmable logic controller according to the first embodiment.
  • FIG. 14 is a diagram showing another example of the history information created by the flowchart shown in FIG.
  • FIG. 15 is a diagram showing another example of a comment setting screen displayed on the display device of the computer when a comment is added to the history information shown in FIG.
  • FIG. 16 is a diagram illustrating an example of a state in which a comment is added to the history information illustrated in FIG.
  • the user performs “power on” that is an operation on the power switch 52 among commands other than the change of the control program CP, and “power off” that is an operation on the power switch 52 among commands other than the change of the control program CP.
  • the PLC 5 may desire to associate a comment with the command “manual reset” in the history information HI.
  • the comment necessity information AI-1 associates the command “power-on” with the comment “person in charge: Sato regular start-up”, the command “power-off”, A comment “Responsible person: Sato Regular end” is associated.
  • the comment associated with the command “manual reset” is “not set”.
  • the PLC 5 executes the flowchart shown in FIG. 8 to execute the history information shown in FIG. HI-1B is created.
  • the history information HI-1B shown in FIG. 14 stores commands in the order received.
  • the history information HI-1B shown in FIG. 14 associates a comment with each of the command “power on” and the command “power off”.
  • the comment associated with the command “manual reset” of the comment necessity information AI-1 shown in FIG. 13 is “not set”, the history information HI-1B shown in FIG. No comment is associated with the command “Manual reset”.
  • the user When associating a comment with the command “manual reset” of the history information HI-1B shown in FIG. 14, the user operates the input device 65 of the computer 6 to display the comment setting screen 100 shown in FIG. 66. The user operates the input device 65 to input a comment in the comment input area 102 of the comment setting screen 100 and operate the determination area 103 as shown in FIG. Then, in the history information HI-1B, as shown in FIG. 16, a comment is added to the command “manual reset”. In the first embodiment, the user enters a comment in the comment input area 102 of the comment setting screen 100 shown in FIG. 15 as “Responsible person: Sato, because the control system has entered an abnormal state, and is manually reset. The history information HI-1B shown in FIG. 16 is commented on the command “Manual reset”. “Responsible person: Sato Reset manually because the control system is in an abnormal state. It is as follows. "
  • the history storage stores the history information HI in which at least a part of commands other than the change of the control program CP among the commands received by the control unit 59 are associated with the comments.
  • Part 58 is provided.
  • the PLC 5 stores commands other than the change of the control program CP in association with the comments.
  • the PLC 5 When the PLC 5 receives a command set to require that a comment is associated with the comment necessity information AI, the PLC 5 stores the history information HI in which the received command is associated with the comment in the history storage unit 58.
  • a preset command can be stored in association with a comment.
  • the PLC 5 can change the comment associated with the command because the comment necessity information AI can be set by the computer 6.
  • the PLC 5 receives a comment for the accepted command when receiving a command set to require a comment to be associated with the comment necessity information AI.
  • a command can be associated with a comment without input.
  • the PLC 5 includes the notification unit 82 that notifies that there is a command for which no comment is set in the history information HI, it is possible to grasp that the command not associated with the comment is stored in the history information HI. it can.
  • the PLC 5 can store the operation on the switches 52, 53, and 55 in the history information HI in association with the comment.
  • the PLC 5 since the PLC 5 stores the program change command in the history information HI in association with the comment in addition to the command other than the change of the control program CP, the history of the control system 1 can be grasped.
  • the PLC 5 is “powered on” every morning and “powered off” every night, and the “manual reset” operation for the reset switch 53 is not often performed.
  • the PLC 5 receives the “manual reset” during the execution of the control program CP, and as shown in FIG. 16, the history information HI
  • the reason why “manual reset” needs to be performed on -1B can be recorded in a comment, which can be used for analysis when a problem occurs in the subsequent operation.
  • the PLC 5 adds a comment to the command “manual reset” by setting the comment associated with the command “manual reset” to “unset” in the comment necessity information AI-1 Can do.
  • the PLC 5 can associate the reason for the manual reset input by the user as a comment with respect to the command “manual reset” as shown in the history information HI-1B shown in FIG. It is possible to easily solve the problem that has occurred.
  • FIG. 17 is a diagram illustrating an example of comment necessity information stored by the programmable logic controller according to the second embodiment.
  • FIG. 18 is a flowchart illustrating an example of an operation of creating history information of the programmable logic controller according to the second embodiment.
  • FIG. 19 is a diagram showing an example of history information created by the flowchart shown in FIG. 17 to 19, the same parts as those of the first embodiment are denoted by the same reference numerals and the description thereof is omitted.
  • the PLC 5 according to the second embodiment has the same configuration as that of the first embodiment except that a part of the process of the flowchart for creating the history information HI is different from that of the first embodiment.
  • the user changes the value stored in the storage area of the memory 51, adjusts the operation of each device 2, 3, 4 of the control system 1 and stores the value in the storage area of the memory 51. Set the value to the optimal value.
  • the user desires to store the status when the value stored in the storage area of the memory 51 is changed in the history information HI.
  • the user sets the comment necessity information AI-2 shown in FIG. 17 by the computer 6 and transmits it to the PLC 5.
  • the comment necessity information AI-2 stored in the PLC 5 is a command “device” which is a command for changing a value stored in the storage area “D0” of the memory 51, as shown in FIG. “D0 change” is set.
  • the comment associated with the command “change device D0” is “not set” because the user wants to sequentially input comments.
  • the control unit 59 of the PLC 5 stores a predetermined number of commands that are set in the comment necessity information AI-2 and the comment is “not set” in the history information HI, and “not set”. After the number of stored commands exceeds a predetermined number, the notification unit 82 notifies the user.
  • the predetermined number of the PLC 5 is 2, but the predetermined number is not limited to 2.
  • the PLC 5 When the history information HI is created, the PLC 5 according to the second embodiment stores the command “change device D0” in the history information HI (step ST4), and then the comment stored in the history information HI is “not set”. It is determined whether or not the number of commands “change device D0” exceeds a predetermined number (step ST5). When the PLC 5 determines that the number of commands “change device D0” whose comment stored in the history information HI is “not set” does not exceed a predetermined number (step ST5: No), the process returns to step ST1. In the second embodiment, the PLC 5 determines that the number of commands “change device D0” whose comment is “unset” is 1 or 2, and does not exceed the predetermined number (step ST5: No). Return to step ST1.
  • step ST5: Yes When the PLC 5 determines that the number of commands “change device D0” whose comment stored in the history information HI is “not set” has exceeded a predetermined number (step ST5: Yes), the notification unit 82 is used to notify the user. Is notified that the predetermined number has been exceeded (step ST6), and the flowchart shown in FIG. 18 is terminated.
  • step ST6 when the number of commands “change device D0” whose comment is “not set” is 3, the PLC 5 determines that the predetermined number has been exceeded (step ST5: Yes) and notifies the user. Then (step ST6), the flowchart shown in FIG.
  • the history information HI-2 shown in FIG. 19 stores a command “change device D0” exceeding a predetermined number.
  • the user inputs a comment to each command “change device D0”.
  • the PLC 5 has history information HI in which at least a part of commands other than the change of the control program CP among the commands received by the control unit 59 are associated with comments. Since the history storage unit 58 is stored, the cause when a problem occurs in the control system 1 can be easily determined, and the cause when a problem occurs in equipment in the FA field can be easily determined. be able to.
  • the PLC 5 notifies the notification unit 82 when the number of commands stored in the history information HI and whose comment is “unset” exceeds a predetermined number. Comments can be entered as appropriate in the “setting” command.
  • FIG. 20 is a functional block diagram of the programmable logic controller according to the third embodiment.
  • the same parts as those of the first embodiment are denoted by the same reference numerals, and description thereof is omitted.
  • the comment necessity information AI is directly input from the computer 6 to the comment necessity storage unit 57 without going through the control unit 59 and through the control unit 59.
  • the configuration is the same as that of the first embodiment except that the history information HI stored in the history storage unit 58 is directly read from the computer 6.
  • the PLC 5-3 according to the third embodiment executes the same operation as that of the first embodiment, but may execute the same operation as that of the second embodiment.
  • the PLC 5-3 has a history in which at least a part of commands other than the change of the control program CP among the commands received by the control unit 59 are associated with comments. Since the history storage unit 58 for storing the information HI is provided, it is possible to easily investigate the cause when a problem occurs in the control system 1, and to investigate the cause when a problem occurs in the facility in the FA field. It can be made easier.
  • FIG. 21 is a diagram illustrating an example of a comment setting screen notified to the user of the programmable logic controller according to the fourth embodiment.
  • the same parts as those of the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.
  • the PLC 5 according to the fourth embodiment confirms the history information HI and notifies the user of the history information HI, instead of notifying the notification unit 82 in step ST14 of the flowchart of FIG. Except for displaying the comment setting screen 100 on the display device 66, the configuration is the same as in the first embodiment and the same processing as in the first embodiment is executed. Furthermore, the PLC 5 according to the fourth embodiment may display the comment setting screen 100 shown in FIG. 21 on the display device 66 and notify the notification unit 82 in step ST14.
  • the PLC 5 includes history information HI in which at least a part of commands other than the change of the control program CP among the commands received by the control unit 59 are associated with comments. Since the history storage unit 58 is stored, the cause when a problem occurs in the control system 1 can be easily determined, and the cause when a problem occurs in equipment in the FA field can be easily determined. be able to.
  • the configuration described in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and can be combined with other configurations without departing from the gist of the present invention. It is also possible to omit or change the part.

Landscapes

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

Abstract

La présente invention concerne un automate programmable (PLC pour Programmable Logic Controller (5)), comprenant une unité de stockage (56) qui stocke un programme de commande (CP pour Control Program), et une unité de commande (59) qui accepte des instructions et acquiert des commentaires qui sont associés à au moins une partie des instructions, parmi les instructions acceptées, en plus des instructions pour changer le programme de commande (CP). L'automate programmable (5) comprend en outre une unité de stockage d'exigence de commentaire (57) qui stocke des informations d'exigence de commentaire (AI) dans laquelle les instructions pour lesquelles l'association des commentaires avec ces dernières est requise, ont été définies au préalable, et une unité de stockage d'historique (58) qui stocke des informations d'historique (HI pour History Information) dans lesquelles la ou les parties des instructions sont associées aux commentaires acquis.
PCT/JP2016/074711 2016-08-24 2016-08-24 Automate programmable WO2018037513A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2017512057A JP6207799B1 (ja) 2016-08-24 2016-08-24 プログラマブルロジックコントローラ
CN201680088579.9A CN109643091B (zh) 2016-08-24 2016-08-24 可编程逻辑控制器
PCT/JP2016/074711 WO2018037513A1 (fr) 2016-08-24 2016-08-24 Automate programmable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/074711 WO2018037513A1 (fr) 2016-08-24 2016-08-24 Automate programmable

Publications (1)

Publication Number Publication Date
WO2018037513A1 true WO2018037513A1 (fr) 2018-03-01

Family

ID=59997680

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/074711 WO2018037513A1 (fr) 2016-08-24 2016-08-24 Automate programmable

Country Status (3)

Country Link
JP (1) JP6207799B1 (fr)
CN (1) CN109643091B (fr)
WO (1) WO2018037513A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019125509A (ja) * 2018-01-17 2019-07-25 トヨタ自動車株式会社 レドックスフロー型燃料電池

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04105140A (ja) * 1990-08-24 1992-04-07 Nec Corp スイッチ操作履歴の収集方式
JPH0736536A (ja) * 1993-07-21 1995-02-07 Mitsubishi Electric Corp プログラマブルコントローラ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0962341A (ja) * 1995-08-22 1997-03-07 Toshiba Corp オペレーション装置
JPH1021086A (ja) * 1996-06-28 1998-01-23 Matsushita Electric Ind Co Ltd プログラム変換装置とデバッグ装置
JP4151402B2 (ja) * 2002-12-20 2008-09-17 村田機械株式会社 パラメータ書換履歴機能付き数値制御装置
JP2006154994A (ja) * 2004-11-26 2006-06-15 Yokogawa Electric Corp データ設定装置およびデータ設定方法
WO2013168224A1 (fr) * 2012-05-08 2013-11-14 三菱電機株式会社 Automate programmable, outil de programmation, et système d'édition de programmes et de paramètres
JP6299527B2 (ja) * 2014-08-29 2018-03-28 ブラザー工業株式会社 数値制御装置と制御方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04105140A (ja) * 1990-08-24 1992-04-07 Nec Corp スイッチ操作履歴の収集方式
JPH0736536A (ja) * 1993-07-21 1995-02-07 Mitsubishi Electric Corp プログラマブルコントローラ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019125509A (ja) * 2018-01-17 2019-07-25 トヨタ自動車株式会社 レドックスフロー型燃料電池

Also Published As

Publication number Publication date
JPWO2018037513A1 (ja) 2018-08-23
JP6207799B1 (ja) 2017-10-04
CN109643091A (zh) 2019-04-16
CN109643091B (zh) 2020-07-14

Similar Documents

Publication Publication Date Title
JP2007067561A5 (fr)
TWI490771B (zh) 可編程顯示器及其畫面操作處理程式
JP4554570B2 (ja) プログラマブル表示器、制御プログラムおよびそれを記録した記録媒体、ならびに制御システム、クライアントプログラムおよびそれを記録した記録媒体
US10496062B2 (en) Programmable controller for controlling automatic machines, having CPU to received control with respect to own apparatus, when external storage is authenticated based on authentication information
US11551883B2 (en) System and methods for providing orientation compensation in pointing devices
JP2008107906A (ja) タッチパネルへのタッチ操作無効化方法およびタッチパネル式電子機器
KR20100060079A (ko) 유저 인터페이스를 이용하여 반도체 제조 설비를 제어하는 시스템 및 그 방법
JP6207799B1 (ja) プログラマブルロジックコントローラ
KR101833281B1 (ko) 전자기기에서 터치패드 오동작 방지 방법 및 장치
JP2014085782A (ja) 制御システムおよび制御方法
JP4463716B2 (ja) プログラマブル表示器、表示制御プログラムおよびそれを記録した記録媒体
TWI505137B (zh) 輸入裝置
JP5752092B2 (ja) プログラマブル表示器
JP6253846B1 (ja) プログラマブル表示器
JP2007093960A (ja) 画面作成装置、画面作成プログラムおよびそのプログラムを記録した記録媒体、ならびにプログラマブル表示器、制御プログラムおよびそのプログラムを記録した記録媒体
JP6051545B2 (ja) Ｐｌｃシステム、状態表示方法、ｐｌｃ、およびプログラマブル表示器
JP4838758B2 (ja) タッチパネル残り動作寿命予測方式
TW201604767A (zh) 視窗切換方法及執行該方法之電子裝置
CN104423316A (zh) 操作装置、控制装置和自动化技术的设备
JP2014088052A (ja) 船舶エンジン用アラームモニター装置
JP7395416B2 (ja) 電子機器、ウィンドウ配置方法およびプログラム
JP4509991B2 (ja) プログラマブル表示器、プログラムおよびそれを記録した記録媒体
JP3729457B2 (ja) アラーム履歴表示システム
JP2008077147A (ja) 監視制御用表示器
JP2008077146A (ja) 表示器の画面表示制御方法および該表示器

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 2017512057

Country of ref document: JP

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16914187

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16914187

Country of ref document: EP

Kind code of ref document: A1