WO2013146308A1 - 制御機器および制御機器の更新時間表示方法 - Google Patents

制御機器および制御機器の更新時間表示方法 Download PDF

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Publication number
WO2013146308A1
WO2013146308A1 PCT/JP2013/057245 JP2013057245W WO2013146308A1 WO 2013146308 A1 WO2013146308 A1 WO 2013146308A1 JP 2013057245 W JP2013057245 W JP 2013057245W WO 2013146308 A1 WO2013146308 A1 WO 2013146308A1
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WO
WIPO (PCT)
Prior art keywords
control device
plc
communication
temperature controller
update time
Prior art date
Application number
PCT/JP2013/057245
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English (en)
French (fr)
Japanese (ja)
Inventor
明 ▲高▼石
Original Assignee
オムロン株式会社
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 オムロン株式会社 filed Critical オムロン株式会社
Priority to CN201380003551.7A priority Critical patent/CN103959183A/zh
Publication of WO2013146308A1 publication Critical patent/WO2013146308A1/ja

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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
    • G05B2219/15—Plc structure of the system
    • G05B2219/15045—Portable display unit
    • 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
    • G05B2219/15—Plc structure of the system
    • G05B2219/15115—Pc serves as plc, programming panel, monitoring panel

Definitions

  • the present invention relates to a control device and a control device update time display method, and more particularly to a control device having a communication function and a control device update time display method.
  • a control device In recent years, needs for connecting a control device to a PLC (Programmable Logic Controller) are increasing due to needs such as system integrated management and data collection for quality control. Therefore, a communication converter for connecting the control device and the PLC, and a control device having a function of connecting to the PLC are commercialized.
  • the temperature controller is only of the type installed on the control panel, and the display has only a single light emitting LED.
  • FIG. 6 is a block diagram in the case of using a temperature controller as an example of a conventional control device connected to a PLC or the like.
  • a temperature controller As an example of a conventional control device connected to a PLC or the like.
  • a communication program is created on the PLC side (FIG. 6A), or the PLC 61 and the temperature controllers 63a to 63c. It was necessary to provide the converter 62 between them (FIG. 6B).
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a control device and a control device update time display method that are easy to use for the user.
  • the control device is a control device in which predetermined setting contents are set.
  • the control device includes a communication unit for autonomously communicating with the external device, and a display that performs a display recognizable by the user.
  • control device operates as a master
  • external device operates as a slave
  • control device automatically communicates with the external device.
  • the display unit may display the update cycle or display an abnormality in the communication means.
  • each control device has setting content copying means for copying predetermined setting contents to other control devices.
  • the control device may be a temperature controller.
  • the control device update time display method is in a system including one PLC and a plurality of control devices connected to the PLC.
  • the update time display method of each control device includes a step in which a specific control device among a plurality of control devices first starts communication with the PLC, and a control device other than the specific control device among the plurality of control devices. After performing communication with the PLC, a step in which a specific control device starts communication again, a step in which a time between the step in which the control device first starts communication and the step in which communication is started again is detected, and detection A step of calculating the calculated time as an update time and a step of displaying the calculated update time.
  • control device since the control device has a display that can be recognized by the user, the user can easily know the operation information of the control device.
  • a user-friendly control device can be provided.
  • FIG. 1 is a block diagram showing an overall configuration of a temperature regulator system 10 including a PLC 11 and a temperature regulator 20 in this embodiment.
  • PLC 11 has an external memory setting unit 12 that can communicate with a memory of temperature controller 20 connected to the outside.
  • the external memory setting unit 12 can receive the contents of the memory 25 of the temperature controller 20 and can transmit the contents set by the PLC 11 to the memory 25 of the temperature controller 20.
  • the temperature controller 20 includes a CPU 21 that controls the entire temperature controller 20, a display unit 22 that is controlled by the CPU 21, a key operation unit 23, and a communication unit 24.
  • the display unit 22 performs display that can be recognized by the user.
  • the key operation unit 23 includes a keyboard (not shown) that can be operated by the user, and inputs desired data and stores it in the memory 25 of the temperature controller 20.
  • the communication unit (communication means) 24 can communicate with the PLC 11 and transmits data input to the memory 25 to the external memory setting unit 12 of the PLC 11.
  • FIG. 2 is a diagram schematically showing the passage of time when the PLC 11 and the three temperature controllers 20a to 20c are connected.
  • FIG. 3 shows the contents of processing performed by the CPU 21 of the specific temperature controller 20a.
  • FIG. 4 is a flowchart showing a case where the update time with the PLC is calculated, and FIG. 4 is a flowchart showing processing inside the temperature controller 20.
  • the communication unit 24 performs a reception process for starting the first communication (step S11, hereinafter). , Omit the steps).
  • order determination is performed. Specifically, it waits for the order in which the own unit (temperature controller 20a) can communicate (the own unit processing in S12), and when the communication becomes possible, the communication with the PLC 11 is started again (S13), and the process is terminated.
  • the update time from the first communication to the second communication is calculated (YES in S14, S15). Therefore, the CPU 21 operates as an update cycle measuring unit.
  • the PLC 11 communicates with the other temperature controllers 20b to 20c while waiting for the order in which the own unit (temperature controller 20a) can communicate.
  • the presence / absence of an abnormality in the inside is detected (S21). If there is an abnormality (YES in S21), the abnormality is displayed on the display unit 22 (S23). If there is no abnormality (NO in S21), the update time calculated in FIG. 3 is displayed (S22).
  • the abnormality includes a communication abnormality.
  • the CPU 21 sequentially performs an update time calculation process with the PLC and a process inside the temperature controller 20.
  • FIG. 5 is a block diagram showing a state in which a plurality of temperature controllers 20a to 20c are connected to the PLC 11. As shown in FIG. Here, “1300” is displayed in the temperature controllers 20a and 20c, and “C.ERR” is displayed in the temperature controller 20b.
  • “1300” displayed on the temperature controllers 20a and 20c indicates that there is no abnormality in the temperature controllers 20a and 20c, and the update time with the PLC is, for example, 1300 ms.
  • “C.ERR” indicates that an abnormality has occurred inside the temperature controller 20b.
  • “C” is the content of the error, and “ERR” indicates the occurrence of an abnormality.
  • the display unit 22 since the display unit 22 performs a display that can be recognized by the user, it is possible to easily identify the temperature controller in which an abnormality has occurred. Moreover, about the temperature controller which has not produced abnormality, the update time with PLC11 can be known easily.
  • the user-recognizable display performed by the display unit 22 is preferably letters, numbers, symbols, and the like as shown in the figure. Moreover, you may use the display element which consists of a some segment for these displays.
  • the temperature controller 20 connected to the PLC 11 operates as a master, and the PLC 11 operates as a slave. Therefore, the CPU 21 of each temperature controller 20 communicates with the PLC 11 autonomously (spontaneously). As a result, it is not necessary to create a program on the PLC 11 side as in the prior art, and a converter that has been necessary in the past is unnecessary.
  • the temperature controller sets operating parameters for other temperature controllers connected in the same manner.
  • temperature controllers 20a to 20c are connected to PLC 11 in series.
  • Each of the temperature controllers 20a to 20c has the configuration shown in FIG.
  • a ROM (not shown) of the CPU 21 includes a parameter copy control program as a control program, and a parameter table is stored in the ROM.
  • the temperature controllers 20a to 20c are used for the same application, for example, temperature control of the same control object, and the parameters to be set are the same.
  • the parameters of the temperature controller 20a to which the parameters are set are used as the other temperature controllers 20b to 20c so that the parameters can be efficiently set for the plurality of temperature controllers 20a to 20c.
  • This parameter is copied by designating the temperature controllers 20a to 20c to be a copy source or a copy destination, and giving execution commands by operating the key operation units 23a to 23c to the temperature controllers 20a to 20c. Parameter copying (uploading) or parameter copying (downloading) from the designated temperature controllers 20a to 20c is possible.
  • the unit number of the temperature controller 20b or 20c is designated by the key operation unit 23. It is also possible to specify a plurality of temperature controllers by the key operation unit 23 and perform parameter copying at once.
  • program-less communication that does not require a program is performed instead of program communication by a program created in advance, which is conventionally performed by a PLC.
  • the programless communication is a function of reading / writing the parameter of the temperature controller 21 or running / stopping the parameter via the memory 25 of the PLC 11. Since communication with the PLC 11 is automatically performed by the temperature controller 21a, it is not necessary to create a communication program.
  • This communication includes component communication and copy function.
  • Component communication is a function that connects multiple temperature controllers via RS-485 and simultaneously changes the target value and RUN / STOP.
  • the copy function is a function (acting as a setting content copy unit) that can copy a set value of a master (for example, temperature controller 20a) to a slave (for example, temperature controller 20b). Can be used for programless communication or component communication.
  • the temperature controller has a plurality of protocols, which can be selected. Therefore, it is possible to connect to a plurality of different PLCs having different protocols.
  • the temperature controller is described as an example of the control device.
  • the control device is not limited to this, and may be a digital panel meter, an inverter, a sensor, or the like.
  • the display unit has described the case of displaying the update time and the error.
  • the present invention is not limited to this, and the function of the own device, the operating state of the PLC, and the parameters are displayed. Also good.
  • the control device according to the present invention has a display that can be recognized by the user and can provide a control device that is easy for the user to use. Therefore, the control device is advantageously used as a control device.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Programmable Controllers (AREA)
PCT/JP2013/057245 2012-03-30 2013-03-14 制御機器および制御機器の更新時間表示方法 WO2013146308A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201380003551.7A CN103959183A (zh) 2012-03-30 2013-03-14 控制设备及控制设备的更新时间显示方法

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JP2012079703A JP6015068B2 (ja) 2012-03-30 2012-03-30 制御機器および制御機器の更新時間表示方法
JP2012-079703 2012-03-30

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN110888371A (zh) * 2019-12-10 2020-03-17 深圳联钜自控科技有限公司 一种温控系统光耦隔离的多集型可编程逻辑控制器电路

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JP6371709B2 (ja) * 2015-01-09 2018-08-08 アズビル株式会社 制御システム、制御装置および制御方法
WO2019106783A1 (ja) * 2017-11-30 2019-06-06 理化工業株式会社 温度調節計及び通信変換器

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JPH03282906A (ja) * 1990-03-30 1991-12-13 Omron Corp 分散制御システム用プログラマブルコントローラ
JP2001042928A (ja) * 1999-07-29 2001-02-16 Toshiba Corp 分散型プラント監視制御システム、およびその記憶媒体
JP2003140739A (ja) * 2001-11-02 2003-05-16 Yokogawa Electric Corp 測定装置
JP2005243008A (ja) * 2004-01-29 2005-09-08 Omron Corp 診断システムおよび診断方法ならびにツールおよびコンポ
JP2008177796A (ja) * 2007-01-17 2008-07-31 Fuji Electric Fa Components & Systems Co Ltd 省配線システム、そのマスタ通信装置、そのプログラム、表示制御方法

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US10082782B2 (en) * 2007-08-30 2018-09-25 FACTS Engineering, LLC System for displaying and monitoring practical data in controllers
CN101819419B (zh) * 2009-02-27 2011-12-07 郑州紫辰科技开发有限公司 主动型plc智能液晶显示器
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Publication number Priority date Publication date Assignee Title
JPH03282906A (ja) * 1990-03-30 1991-12-13 Omron Corp 分散制御システム用プログラマブルコントローラ
JP2001042928A (ja) * 1999-07-29 2001-02-16 Toshiba Corp 分散型プラント監視制御システム、およびその記憶媒体
JP2003140739A (ja) * 2001-11-02 2003-05-16 Yokogawa Electric Corp 測定装置
JP2005243008A (ja) * 2004-01-29 2005-09-08 Omron Corp 診断システムおよび診断方法ならびにツールおよびコンポ
JP2008177796A (ja) * 2007-01-17 2008-07-31 Fuji Electric Fa Components & Systems Co Ltd 省配線システム、そのマスタ通信装置、そのプログラム、表示制御方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110888371A (zh) * 2019-12-10 2020-03-17 深圳联钜自控科技有限公司 一种温控系统光耦隔离的多集型可编程逻辑控制器电路

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JP6015068B2 (ja) 2016-10-26
CN103959183A (zh) 2014-07-30

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