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  • 48

    JFE No. 352015 2p. 48-53

    Copyright 2015 JFE Steel Corporation. All Rights Reserved.

    1

    SCADAsupervisory control and data acquisition

    JFE SCADA SCADA

    2

    2.1 3

    311

    HMIhuman machine interface

    HMI

    2014 8 29

    JFE-SCADA

    Present Conditions of JFE-SCADA System and Future Prospects

    MATSUSHITA YasushiJFEGOTO Mitsuyuki JFE

    2000JFE1980 JFE-SCADA

    Abstract:

    Since the 2000s, the development of the communication technology has changed the architecture of remote

    monitoring system from specialized equipment to general-purpose computers. JFE Engineering has developed the

    remote monitoring system for pipelines since the 1980s, and has been tackling development of JFE-SCADA of original

    specifications which is suitable for remote monitoring. In recent years, in addition to the pipeline applications, JFE

    Engineering enlarged the SCADA system to solar power plants as a package. This paper outlines achievements and

    future prospects in these activities.

    13

    Fig. 1SCADA System structure

    Master terminal unit

    Communication line

    Remote terminal unit

  • JFE-SCADA

    49 JFE No. 352015 2

    2

    3RTURTUremote terminal unit

    RTU//

    2.2

    RTU 100

    24 3651

    2

    3RTURTUCPU

    3

    3.1

    1980DCSdistributed control system 1 1 RTU1 2a HDLChigh-level data link control

    1990TCP/IPtransmission control protocol/

    internet protocolUNIX1Windows2OSWindowsWindows SCADAPC

    2000 IPVPNvirtual private network

    2

    Fig. 2Network topology

    (a) Tree network (b) Mesh network

    1 UNIXThe Open Group

    2 WindowsMicrosoft Corporation

  • JFE-SCADA

    50 JFE No. 352015 2

    VPN RTU TCP/IP 2bTCP/IPRTU PLCprogrammable logic controller

    VPN PCRTUPLC

    3.2

    JFE 1980198419962003 VPN SCADA5RTU 47 4

    JFESCADA SCADA

    SCADAJFE-SCADA

    2011JFE-SCADA JFE-SCADA 3

    4JFE-SCADA

    JFE-SCADA

    4.1

    3SCADA

    Fig. 3SCADA System configuration

    Human machine interface

    Printer

    Database server

    VSAT

    Router

    Virtual private network

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI

    PLC

    HMI: Human machine interfacePLC: Programmable logic controllerVSAT: Very small aperture terminal

    Main center

    Pipeline

    Human machine interface

    Printer

    Database server

    Router

    Backup center

    VSAT

  • JFE-SCADA

    51 JFE No. 352015 2

    4.2

    RDBMSrelational database

    management system SQL

    4.3

    RTU 4 AE A RTU1 XAA

    4.4

    JFE-SCADA RTU4AEXZ

    SCADA

    4.5

    1

    RTU4

    Fig. 4Redundant system by duplex server and duplex line

    Hub

    Hub

    Satellite line

    Main network

    Backup network

    Primaryserver

    Secondaryserver

    Equalization process

    VPN line

    A B C D E

    X

    #5#4#3#2RTU#1

    Y Z

    VPN: Virtual private networkRTU: Remote terminal unit

  • JFE-SCADA

    52 JFE No. 352015 2

    2RTU

    PLCAND

    4.6

    RTUJFE-SCADAPLC 5

    4.7

    JFE-SCADA PLC OPC3OLE for process controlFTPfile transfer protocol/

    5JFE-SCADA

    JFE-SCADA 67

    5.1 SCADA

    2011 6 JFE-SCADA

    2015 3JXLNG

    30

    5.2 SCADA

    JFE-SCADAJFE2013 7 SCADA2013 112014 7 JFE SCADA PDApersonal digital assistant 89

    5

    Fig. 5Example of the adjustment panel for process control

    7

    Fig. 7Example of the station monitoring display

    6

    Fig. 6Example of the pipeline overview display

    3 OPCMicrosoft Corporation

  • JFE-SCADA

    53 JFE No. 352015 2Copyright 2015 JFE Steel Corporation. All Rights Reserved.

    6

    JFE SCADA

    JFE-SCADAJFE-SCADA

    Win GAIA 6 SCADAJFE-SCADA

    7

    JFE JFE-SCADA

    1 1984, no. 102, p. 65-76.

    2 NKK1996, no. 155, p. 31-35.

    3 NKK1996, no. 156, p. 21-25.

    4 IP-VPN SCADAJFE2004, no. 3, p. 76. 5 SCADAJFE2006, no. 14, p. 72-73.

    6 Win GAIAJFE2010, no. 25, p. 36-40.

    8

    Fig. 8Solar power system overview display

    9

    Fig. 9Image of integrated system

    SS1

    Electricequipment

    SS2

    SSn

    Solar power plantmonitoring sever

    Solar power plant A

    Integrated monitoring server

    Solar power plant monitoring client

    Integratedmonitoring client

    Internet

    Cloud service

    Report emailCell-phoneSmartphonePC

    Public server

    Solar power plant monitoring

    Integrated monitoring

    PLC

    Virtual privatenetwork

    (Electric chief engineer)

    Opticalmodem

    Solar power plant B

    Solar power plant C

    To monitor an operating stateand performance of each solar power plant

    To collectively monitor anoperating state and performanceof plural solar power plants.

    PCS

    http://www.jfe-steel.co.jp/research/giho/003/pdf/003-34.pdfhttp://www.jfe-steel.co.jp/research/giho/014/pdf/014-18.pdfhttp://www.jfe-steel.co.jp/research/giho/014/pdf/014-18.pdfhttp://www.jfe-steel.co.jp/research/giho/025/pdf/025-08.pdfhttp://www.jfe-steel.co.jp/research/giho/025/pdf/025-08.pdf

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