Pengenalan dan Pengantar SCADA(supervisory control and data aquisition)

SCADA SystemFungsi-fungsi utama SCADAAkuisisi data, merupakan proses penerimaan data dari peralatan di lapangan.Konversi data, merupakan proses konversi data-data dari lapangan ke dalam format standarData Processing, yang mana menganalisa data yang diterima untuk dilaporkan kepada operator.Supervisory control, dimana memungkinkan operator untuk melakukan pengendalian pada peralatan-peralatan di lapangan.Tagging, memungkinkan operator untuk meletakkan informasi tertentu pada peralatan tertentu.Pemrosesan alarm & event yang menginformasikan apabila terjadi perubahan pada sistem.Post mortem review, yang membantu menentukan akibat pada sistem jika ada gangguan besar pada sistem.

SCADA Concept

SCADA ConceptMemantau dan mengawasi status perangkat-perangkat jaringan distribusi. Deteksi gangguan jaringan.Pengisoliran dan pemulihan sistem secara otomatis.

ELECTRIC DISTRIBUTION SYSTEMS

SCADA ConceptFunctionsAir Ventilation System ControlLight ControlElectric Power ControlRole of PLCCommunication (RTU)Temperature Control (PID)Control ObjectivesFan, Heater, CompressorWater Utilities, LightRequirement of PLCNetwork ability (Ethernet, RS285)RTD sensing, PID controlControl RoomControl Panel (PLC)Comm. (Ethernet or RS485)BAS(Building Automation System)

SCADA ConceptPLANT MONITORING SYSTEMSControl & monitoring machine running status, machine speeds, temperatures, humidity, energy used, productivity, etc

InfoU ver 1.6New Automation

1] Introduction2] System3] Add-on4] Version 1.61] Introduction What is HMI (Human Machine Interface)? HMI is a visualization tool to control the system and assess the state of the system as high functional PLC and open SCADA have been widely used.

1] Introduction2] System3] Add-on1] Introduction Data Management: collect, save and calculate operation data, responding to data requests Monitoring: real-time data along with graphs configured by an operator Total data transmission and real-time monitoring system Windows 2000, Windows XP, Windows Vista, Windows 7 (due in market) Enhanced reliability, fast processing speed and convenient use Easy website configuration for users without any expertise on web server or website configuration Real-time monitoring/controlling system through web browser and history data monitoring via Trend Create a new website and add a virtual folder to the existing one InfoU (Information for your) is visualization software to collect/monitor field-generated information InfoU Web Server: automatic web conversion of existing project data4] Version 1.6

Industrial standard interface such as OLE DB, OPC Server/Client Provide stable communication and effective interface with other systems Easy input/output of tag values to/from universal databases such as MS SQL or Oracle and efficient data sharing with MES or ERP system Provide ActiveX component graphic objects and allows users to design graphic works using other company's components Easier to move or copy a certain project to other system, drive or path. Total management for Script, Recipe, Database Support VB Script and available to use external OLE objects, DLL, COM, ActiveX, etcScript1] Introduction2] System3] Add-on1] Introduction Open Architecture: excellent extension and compatibility Efficient Project Management Powerful Graphic Engine to Meet Users' Requirements Action Trigger and VB script: robust and flexible applications4] Version 1.6

Graphic Library Provide more than 1000 symbol library image and support Drag & Drop BMP, GIF, JPEG, PNG, TIFF, ICON, WMF, EMF, Animated GIF, etc. A certain screen can be more frequently and conveniently reused with its template object and plant screens, and transmitted parameter values. Alarm View (real-time, history), Trend (real-time, history), Recipe View, List Trend (real-time, history), Gauge Control1] Introduction2] System3] Add-on1] Introduction Graphic Library Various Types of Graphic Files Engineering Template Easy And Convenient Graphic Object4] Version 1.6

VB Script Support Display part of a screen or entire screen, move to the work area with zoom, panning or navigation function to more accurately and fast identify the relevant processHide/UnHide and Lock/UnLock functions can be used after selecting a graphic object Various functions can be used from the built-in script and internal functions of the graphic editor High functional graphic works are achieved: LS dedicated control (Alarm, Trend, etc) Third-party ActiveX1] Introduction2] System3] Add-on Fast Screen Mobility Layer Function Built-in VB Script ActiveX Control Virtual Keyboard And Window: input various values for panel PC1] Introduction4] Version 1.6

Various acquisition model - Cycle, Statistics, Accumulation, String, Event, Selective Log - Assign one tag data to multiple logging groups for diverse data analysis

Multiple data type - Analog: present value, min/max value, min/max time, average - Digital: current status, on count, running time, change count - String: string tag values are acquired in a certain cycle

Logging data inquiry - Data can be inquired from Trend, Report and List Trend - API, which can be inquired from script, is provided

Automatically calculated data for Statistics/Accumulation - No script or application is required

Backup - Backup is available for all of the logging groups - Backup files: inquired at Trend and List TrendData Acquisition Model and Trend1] Introduction2] System3] Add-on1] Introduction Efficient Data Management Convenient data acquisition model and automatic statistics4] Version 1.6

2] System Configuration Users can monitor and control the data status of multiple devices1] Introduction2] System3] Add-on Stand-alone System4] Version 1.6

Remote/multiple monitoring and controlling system Time synchronization between client and server1] Introduction2] System3] Add-on2] System Configuration Client/Server System4] Version 1.6

When Run Server is failed, the Standby Server will be activated through automatic switching to provide a reliable service Partner Sever monitoring via RS-232C communication line1] Introduction2] System3] Add-on2] System Configuration Redundancy System4] Version 1.6

Real-time monitoring controller as Web Client through Internet/Intranet Without any additional client program, monitoring is available only through MS Explore 1] Introduction2] System3] Add-on2] System Configuration Web Server System 4] Version 1.6

Database ConnectionApplication Development LibraryRecipe Function3] Add-on Function OPC Server1] Introduction2] System3] Add-on4] Version 1.6 Convenient Add-on Functions

4] Version 1.6 Client inherit Server Project without additional procedure Provide Status Monitoring through the Server from Client Provide language option for Korean, English and China Graphic Object added: button, lamp, pump, switch, tank, etc. User can add for basic function from the Mouse Instruction1] Introduction2] System3] Add-on4] Version 1.6 Client/Server Function Improved Support Multi Languages Various Graphic Library Objects Support Windows 7 PLC Driver Added Continuously Screen Function Added: Tag Detail View, Tag Overview Tag Property Saving during Run: alarm boundary value, etc PLC Variable Import Function

Diambil dari berbagai sumber :Bahan pelatihan PLC produk LSdll

*****